Axel Francisco Marruenda Trujillo#

  • Número de cuenta: 313115811

Hola, esta es mi carpeta para la tarea-1.

Listado de información del sistema Debian:

axelfmt@debian-11:~$ uname -a
Linux debian-11 5.10.0-11-amd64 #1 SMP Debian 5.10.92-1 (2022-01-18) x86_64 GNU/Linux

axelfmt@debian-11:~$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

axelfmt@debian-11:~$ cat /etc/debian_version /etc/redhat-release
11-2

axelfmt@debian-11:~$ lsmod
Module                  Size  Used by
vboxsf                 90112  1
vboxvideo              49152  0
rfkill                 28672  3
ghash_clmulni_intel    16384  0
snd_intel8x0           49152  2
snd_ac97_codec        180224  1 snd_intel8x0
aesni_intel           368640  0
ac97_bus               16384  1 snd_ac97_codec
joydev                 28672  0
libaes                 16384  1 aesni_intel
snd_pcm               135168  2 snd_intel8x0,snd_ac97_codec
crypto_simd            16384  1 aesni_intel
cryptd                 24576  2 crypto_simd,ghash_clmulni_intel
glue_helper            16384  1 aesni_intel
pcspkr                 16384  0
snd_timer              49152  1 snd_pcm
sg                     36864  0
serio_raw              20480  0
vboxguest             413696  7 vboxsf
snd                   110592  8 snd_intel8x0,snd_timer,snd_ac97_codec,snd_pcm
soundcore              16384  1 snd
ac                     16384  0
evdev                  28672  10
nfnetlink              16384  0
msr                    16384  0
fuse                  167936  3
configfs               57344  1
ip_tables              32768  0
x_tables               53248  1 ip_tables
autofs4                53248  2
ext4                  921600  1
crc16                  16384  1 ext4
mbcache                16384  1 ext4
jbd2                  151552  1 ext4
crc32c_generic         16384  0
hid_generic            16384  0
usbhid                 65536  0
hid                   147456  2 usbhid,hid_generic
sd_mod                 61440  3
t10_pi                 16384  1 sd_mod
crc_t10dif             20480  1 t10_pi
sr_mod                 28672  0
cdrom                  73728  1 sr_mod
crct10dif_generic      16384  0
ata_generic            16384  0
vmwgfx                376832  3
ttm                   114688  2 vmwgfx,vboxvideo
drm_kms_helper        278528  2 vmwgfx,vboxvideo
ohci_pci               20480  0
ehci_pci               20480  0
ohci_hcd               61440  1 ohci_pci
cec                    61440  1 drm_kms_helper
ahci                   40960  2
libahci                45056  1 ahci
ata_piix               36864  0
ehci_hcd               98304  1 ehci_pci
usbcore               323584  5 ohci_hcd,ehci_pci,usbhid,ehci_hcd,ohci_pci
libata                290816  4 ata_piix,libahci,ahci,ata_generic
crct10dif_pclmul       16384  1
crct10dif_common       16384  3 crct10dif_generic,crc_t10dif,crct10dif_pclmul
psmouse               184320  0
crc32_pclmul           16384  0
crc32c_intel           24576  2
i2c_piix4              28672  0
usb_common             16384  3 ohci_hcd,usbcore,ehci_hcd
e1000                 155648  0
drm                   618496  7 vmwgfx,drm_kms_helper,vboxvideo,ttm
scsi_mod              262144  4 sd_mod,libata,sg,sr_mod
video                  53248  0
button                 24576  0

axelfmt@debian-11:~$ ps afx
    PID TTY      STAT   TIME COMMAND
      2 ?        S      0:00 [kthreadd]
      3 ?        I<     0:00  \_ [rcu_gp]
      4 ?        I<     0:00  \_ [rcu_par_gp]
      6 ?        I<     0:00  \_ [kworker/0:0H-events_highpri]
      9 ?        I<     0:00  \_ [mm_percpu_wq]
     10 ?        S      0:00  \_ [rcu_tasks_rude_]
     11 ?        S      0:00  \_ [rcu_tasks_trace]
     12 ?        S      0:00  \_ [ksoftirqd/0]
     13 ?        I      0:00  \_ [rcu_sched]
     14 ?        S      0:00  \_ [migration/0]
     15 ?        S      0:00  \_ [cpuhp/0]
     17 ?        S      0:00  \_ [kdevtmpfs]
     18 ?        I<     0:00  \_ [netns]
     19 ?        S      0:00  \_ [kauditd]
     20 ?        S      0:00  \_ [khungtaskd]
     21 ?        S      0:00  \_ [oom_reaper]
     22 ?        I<     0:00  \_ [writeback]
     23 ?        S      0:00  \_ [kcompactd0]
     24 ?        SN     0:00  \_ [ksmd]
     25 ?        SN     0:00  \_ [khugepaged]
     43 ?        I<     0:00  \_ [kintegrityd]
     44 ?        I<     0:00  \_ [kblockd]
     45 ?        I<     0:00  \_ [blkcg_punt_bio]
     46 ?        I<     0:00  \_ [edac-poller]
     47 ?        I<     0:00  \_ [devfreq_wq]
     48 ?        I<     0:00  \_ [kworker/0:1H-kblockd]
     49 ?        S      0:00  \_ [kswapd0]
     50 ?        I<     0:00  \_ [kthrotld]
     51 ?        I<     0:00  \_ [acpi_thermal_pm]
     52 ?        I<     0:00  \_ [ipv6_addrconf]
     62 ?        I<     0:00  \_ [kstrp]
     65 ?        I<     0:00  \_ [zswap-shrink]
     66 ?        I<     0:00  \_ [kworker/u3:0]
    112 ?        I<     0:00  \_ [ata_sff]
    113 ?        S      0:00  \_ [scsi_eh_0]
    114 ?        I<     0:00  \_ [scsi_tmf_0]
    115 ?        S      0:00  \_ [scsi_eh_1]
    116 ?        I<     0:00  \_ [scsi_tmf_1]
    117 ?        S      0:00  \_ [scsi_eh_2]
    119 ?        I<     0:00  \_ [scsi_tmf_2]
    121 ?        S      0:00  \_ [irq/18-vmwgfx]
    122 ?        I<     0:00  \_ [ttm_swap]
    123 ?        S      0:00  \_ [card0-crtc0]
    124 ?        S      0:00  \_ [card0-crtc1]
    125 ?        S      0:00  \_ [card0-crtc2]
    126 ?        S      0:00  \_ [card0-crtc3]
    127 ?        S      0:00  \_ [card0-crtc4]
    129 ?        S      0:00  \_ [card0-crtc5]
    130 ?        S      0:00  \_ [card0-crtc6]
    131 ?        S      0:00  \_ [card0-crtc7]
    171 ?        S      0:00  \_ [jbd2/sda1-8]
    172 ?        I<     0:00  \_ [ext4-rsv-conver]
    289 ?        I<     0:00  \_ [iprt-VBoxWQueue]
    292 ?        I<     0:00  \_ [cryptd]
   1859 ?        I      0:00  \_ [kworker/u2:3-flush-8:0]
   1961 ?        I      0:00  \_ [kworker/0:2-events]
   1984 ?        I      0:00  \_ [kworker/u2:2-ext4-rsv-conversion]
   2112 ?        I      0:00  \_ [kworker/0:0-ata_sff]
   2126 ?        I      0:00  \_ [kworker/u2:0-events_unbound]
   2129 ?        I      0:00  \_ [kworker/0:1-ata_sff]
      1 ?        Ss     0:01 /sbin/init
    210 ?        Ss     0:00 /lib/systemd/systemd-journald
    231 ?        Ss     0:00 /lib/systemd/systemd-udevd
    412 ?        Ssl    0:00 /usr/libexec/accounts-daemon
    414 ?        Ss     0:00 avahi-daemon: running [debian-11.local]
    436 ?        S      0:00  \_ avahi-daemon: chroot helper
    415 ?        Ss     0:00 /usr/sbin/cron -f
    416 ?        Ss     0:00 /usr/bin/dbus-daemon --system --address=systemd: --
    417 ?        Ssl    0:00 /usr/sbin/NetworkManager --no-daemon
    419 ?        Ssl    0:01 /usr/libexec/polkitd --no-debug
    422 ?        Ssl    0:00 /usr/sbin/rsyslogd -n -iNONE
    423 ?        Ssl    0:00 /usr/libexec/switcheroo-control
    426 ?        Ss     0:00 /lib/systemd/systemd-logind
    427 ?        Ssl    0:00 /usr/libexec/udisks2/udisksd
    431 ?        Ss     0:00 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
    448 ?        Ssl    0:00 /usr/sbin/ModemManager
    494 ?        Ssl    0:00 /sbin/dhclient -4 -v -i -pf /run/dhclient.enp0s8.pi
    633 ?        Sl     0:00 /usr/sbin/VBoxService --pidfile /var/run/vboxadd-se
    684 ?        Ssl    0:00 /usr/bin/python3 /usr/share/unattended-upgrades/una
    688 ?        Ss     0:00 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 star
    690 ?        Ssl    0:00 /usr/sbin/gdm3
   1063 ?        Sl     0:00  \_ gdm-session-worker [pam/gdm-password]
   1098 tty2     Ssl+   0:00      \_ /usr/libexec/gdm-wayland-session /usr/bin/g
   1105 tty2     Sl+    0:00          \_ /usr/libexec/gnome-session-binary --sys
    729 ?        SNsl   0:00 /usr/libexec/rtkit-daemon
    820 ?        Ssl    0:00 /usr/libexec/upowerd
    879 ?        Ssl    0:02 /usr/libexec/packagekitd
   1005 ?        Ssl    0:00 /usr/libexec/colord
   1067 ?        Ss     0:00 /lib/systemd/systemd --user
   1068 ?        S      0:00  \_ (sd-pam)
   1087 ?        S<sl   0:00  \_ /usr/bin/pipewire
   1102 ?        S<l    0:00  |   \_ /usr/bin/pipewire-media-session
   1088 ?        S<sl   0:00  \_ /usr/bin/pulseaudio --daemonize=no --log-target
   1090 ?        SNsl   0:00  \_ /usr/libexec/tracker-miner-fs
   1099 ?        Ss     0:00  \_ /usr/bin/dbus-daemon --session --address=system
   1159 ?        Ssl    0:00  \_ /usr/libexec/gnome-session-ctl --monitor
   1160 ?        Ssl    0:00  \_ /usr/libexec/gvfsd
   1662 ?        Sl     0:00  |   \_ /usr/libexec/gvfsd-trash --spawner :1.9 /or
   1763 ?        Sl     0:00  |   \_ /usr/libexec/gvfsd-burn --spawner :1.9 /org
   1939 ?        Sl     0:00  |   \_ /usr/libexec/gvfsd-recent --spawner :1.9 /o
   1161 ?        Ss     0:00  \_ ssh-agent -D -a /run/user/1000/openssh_agent
   1164 ?        Ssl    0:00  \_ /usr/libexec/gnome-session-binary --systemd-ser
   1191 ?        Sl     0:00  |   \_ /usr/libexec/at-spi-bus-launcher --launch-i
   1203 ?        S      0:00  |   |   \_ /usr/bin/dbus-daemon --config-file=/usr
   1341 ?        Sl     0:00  |   \_ /usr/libexec/gsd-disk-utility-notify
   1376 ?        Sl     0:00  |   \_ /usr/libexec/evolution-data-server/evolutio
   1378 ?        Sl     0:03  |   \_ /usr/bin/gnome-software --gapplication-serv
   1170 ?        Sl     0:00  \_ /usr/libexec/gvfsd-fuse /run/user/1000/gvfs -f
   1196 ?        Ssl    1:03  \_ /usr/bin/gnome-shell
   1215 ?        Sl     0:00  |   \_ /usr/bin/Xwayland :0 -rootless -noreset -ac
   1504 ?        Sl     0:00  |   \_ ibus-daemon --panel disable -r --xim
   1518 ?        Sl     0:00  |   |   \_ /usr/libexec/ibus-memconf
   1519 ?        Sl     0:00  |   |   \_ /usr/libexec/ibus-extension-gtk3
   1565 ?        Sl     0:00  |   |   \_ /usr/libexec/ibus-engine-simple
   2050 ?        SLl    0:05  |   \_ gnome-control-center
   1216 ?        Ssl    0:00  \_ /usr/libexec/gvfs-udisks2-volume-monitor
   1221 ?        Ssl    0:00  \_ /usr/libexec/gvfs-gphoto2-volume-monitor
   1244 ?        Ssl    0:00  \_ /usr/libexec/xdg-permission-store
   1248 ?        Sl     0:00  \_ /usr/libexec/gnome-shell-calendar-server
   1255 ?        Ssl    0:00  \_ /usr/libexec/evolution-source-registry
   1262 ?        Sl     0:00  \_ /usr/libexec/goa-daemon
   1265 ?        Ssl    0:00  \_ /usr/libexec/evolution-calendar-factory
   1275 ?        Sl     0:00  \_ /usr/libexec/goa-identity-service
   1284 ?        Ssl    0:00  \_ /usr/libexec/gvfs-goa-volume-monitor
   1290 ?        Sl     0:00  \_ /usr/libexec/dconf-service
   1292 ?        Ssl    0:00  \_ /usr/libexec/evolution-addressbook-factory
   1297 ?        Ssl    0:00  \_ /usr/libexec/gvfs-mtp-volume-monitor
   1301 ?        Ssl    0:00  \_ /usr/libexec/gvfs-afc-volume-monitor
   1319 ?        Sl     0:00  \_ /usr/bin/gjs /usr/share/gnome-shell/org.gnome.S
   1320 ?        Sl     0:00  \_ /usr/libexec/at-spi2-registryd --use-gnome-sess
   1327 ?        Ssl    0:00  \_ /usr/libexec/gsd-a11y-settings
   1328 ?        Ssl    0:00  \_ /usr/libexec/gsd-color
   1329 ?        Ssl    0:00  \_ /usr/libexec/gsd-datetime
   1331 ?        Ssl    0:00  \_ /usr/libexec/gsd-housekeeping
   1332 ?        Ssl    0:00  \_ /usr/libexec/gsd-keyboard
   1334 ?        Ssl    0:00  \_ /usr/libexec/gsd-media-keys
   1335 ?        Ssl    0:00  \_ /usr/libexec/gsd-power
   1342 ?        Ssl    0:00  \_ /usr/libexec/gsd-print-notifications
   1343 ?        Ssl    0:00  \_ /usr/libexec/gsd-rfkill
   1347 ?        Ssl    0:00  \_ /usr/libexec/gsd-screensaver-proxy
   1348 ?        Ssl    0:00  \_ /usr/libexec/gsd-sharing
   1349 ?        Ssl    0:00  \_ /usr/libexec/gsd-smartcard
   1350 ?        Ssl    0:00  \_ /usr/libexec/gsd-sound
   1351 ?        Ssl    0:00  \_ /usr/libexec/gsd-usb-protection
   1369 ?        Ssl    0:00  \_ /usr/libexec/gsd-wacom
   1408 ?        Sl     0:00  \_ /usr/libexec/gsd-printer
   1428 ?        S      0:00  \_ /usr/bin/VBoxClient --clipboard
   1433 ?        Sl     0:00  |   \_ /usr/bin/VBoxClient --clipboard
   1464 ?        S      0:00  \_ /usr/bin/VBoxClient --seamless
   1465 ?        Sl     0:00  |   \_ /usr/bin/VBoxClient --seamless
   1478 ?        S      0:00  \_ /usr/bin/VBoxClient --draganddrop
   1479 ?        Sl     0:05  |   \_ /usr/bin/VBoxClient --draganddrop
   1481 ?        S      0:00  \_ /usr/bin/VBoxClient --vmsvga
   1482 ?        S      0:00  |   \_ [VBoxDRMClient]
   1510 ?        Ssl    0:00  \_ /usr/libexec/gsd-xsettings
   1526 ?        Sl     0:00  \_ /usr/libexec/ibus-x11 --kill-daemon
   1529 ?        Sl     0:00  \_ /usr/libexec/ibus-portal
   1627 ?        Sl     0:00  \_ /usr/bin/gnome-calendar --gapplication-service
   1631 ?        SLl    0:00  \_ /usr/bin/seahorse --gapplication-service
   1632 ?        Ssl    0:01  \_ /usr/libexec/gnome-terminal-server
   1743 pts/0    Ss     0:00  |   \_ bash
   2139 pts/0    R+     0:00  |       \_ ps afx
   1811 ?        Ssl    0:00  \_ /usr/libexec/gvfsd-metadata
   2013 ?        Ssl    0:00  \_ /usr/libexec/gnome-user-share-webdav
   2029 ?        Ss     0:00  \_ /usr/sbin/apache2 -f /usr/share/gnome-user-shar
   2030 ?        S      0:00      \_ /usr/sbin/apache2 -f /usr/share/gnome-user-
   2031 ?        S      0:00      \_ /usr/sbin/apache2 -f /usr/share/gnome-user-
   1094 ?        Sl     0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
   1547 ?        Ssl    0:00 /usr/libexec/fwupd/fwupd

axelfmt@debian-11:~$ hostname -I
10.0.2.15 192.168.56.101

axelfmt@debian-11:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:5e:60:46 brd ff:ff:ff:ff:ff:ff
    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute enp0s3
       valid_lft 83455sec preferred_lft 83455sec
    inet6 fe80::a00:27ff:fe5e:6046/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:20:83:de brd ff:ff:ff:ff:ff:ff
    inet 192.168.56.101/24 brd 192.168.56.255 scope global dynamic enp0s8
       valid_lft 388sec preferred_lft 388sec
    inet6 fe80::a00:27ff:fe20:83de/64 scope link 
       valid_lft forever preferred_lft forever

axelfmt@debian-11:~$ ip route show
default via 10.0.2.2 dev enp0s3 proto dhcp metric 100 
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100 
192.168.56.0/24 dev enp0s8 proto kernel scope link src 192.168.56.101 

axelfmt@debian-11:~$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 10.0.2.3

root@debian-11:~# netstat -ntulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      688/sshd: /usr/sbin 
tcp6       0      0 :::39175                :::*                    LISTEN      2029/apache2        
tcp6       0      0 :::22                   :::*                    LISTEN      688/sshd: /usr/sbin 
udp        0      0 0.0.0.0:5353            0.0.0.0:*                           414/avahi-daemon: r 
udp        0      0 0.0.0.0:68              0.0.0.0:*                           494/dhclient        
udp        0      0 0.0.0.0:35953           0.0.0.0:*                           414/avahi-daemon: r 
udp6       0      0 :::5353                 :::*                                414/avahi-daemon: r 
udp6       0      0 :::42412                :::*                                414/avahi-daemon: r 

root@debian-11:~# ping -c 4 1.1.1.1
PING 1.1.1.1 (1.1.1.1): 56 data bytes
64 bytes from 1.1.1.1: icmp_seq=0 ttl=63 time=18.250 ms
64 bytes from 1.1.1.1: icmp_seq=1 ttl=63 time=22.149 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=63 time=18.802 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=63 time=24.979 ms
--- 1.1.1.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 18.250/21.045/24.979/2.717 ms


root@debian-11:~# dig example.com.

; <<>> DiG 9.16.22-Debian <<>> example.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25957
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;example.org.           IN  A

;; ANSWER SECTION:
example.org.        23366   IN  A   93.184.216.34

;; Query time: 24 msec
;; SERVER: 10.0.2.3#53(10.0.2.3)
;; WHEN: Mon Feb 28 21:27:17 CST 2022
;; MSG SIZE  rcvd: 56

axelfmt@debian-11:~$ getent passwd ${USER}
axelfmt:x:1000:1000:axelfmt,,,:/home/axelfmt:/bin/bash

axelfmt@debian-11:~$ id
uid=1000(axelfmt) gid=1000(axelfmt) groups=1000(axelfmt),24(cdrom),25(floppy),27(sudo),29(audio),30(dip),44(video),46(plugdev),109(netdev),113(bluetooth),118(scanner),124(wireshark

axelfmt@debian-11:~$ groups
axelfmt cdrom floppy sudo audio dip video plugdev netdev bluetooth scanner wireshark

axelfmt@debian-11:~$ sudo -l
Matching Defaults entries for axelfmt on debian-11:
    env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin

User axelfmt may run the following commands on debian-11:
    (ALL : ALL) NOPASSWD: ALL

axelfmt@debian-11:~$ sudo -i
root@debian-11:~#

axelfmt@debian-11:~$ which wireshark tshark tcpdump nmap netcat-openbsd ngrep dsniff wget curl whois dnsutils net-tools iproute2 iptables iptables-persistent tsocks inetutils-ping inetutils-traceroute inetutils-tools ethtool python3 python3-dev python3-pip
/usr/bin/wireshark
/usr/bin/tshark
/usr/bin/tcpdump
/usr/bin/nmap
/usr/bin/ngrep
/usr/bin/wget
/usr/bin/curl
/usr/bin/whois
/usr/bin/tsocks
/usr/bin/inetutils-traceroute
/usr/bin/python3

axelfmt@debian-11:~$ whereis wireshark tshark tcpdump nmap netcat-openbsd ngrep dsniff wget curl whois dnsutils net-tools iproute2 iptables iptables-persistent tsocks inetutils-ping inetutils-traceroute inetutils-tools ethtool python3 python3-dev python3-pip
wireshark: /usr/bin/wireshark /usr/lib/x86_64-linux-gnu/wireshark /etc/wireshark /usr/share/wireshark /usr/share/man/man1/wireshark.1.gz
tshark: /usr/bin/tshark /usr/share/man/man1/tshark.1.gz
tcpdump: /usr/bin/tcpdump /usr/share/man/man8/tcpdump.8.gz
nmap: /usr/bin/nmap /usr/share/nmap /usr/share/man/man1/nmap.1.gz
netcat-openbsd:
ngrep: /usr/bin/ngrep /usr/share/man/man8/ngrep.8.gz
dsniff: /usr/sbin/dsniff /usr/share/dsniff /usr/share/man/man8/dsniff.8.gz
wget: /usr/bin/wget /usr/share/man/man1/wget.1.gz /usr/share/info/wget.info.gz
curl: /usr/bin/curl /usr/share/man/man1/curl.1.gz
whois: /usr/bin/whois /usr/share/man/man1/whois.1.gz
dnsutils:
net-tools:
iproute2: /etc/iproute2 /usr/include/iproute2
iptables: /usr/sbin/iptables /etc/iptables /usr/share/iptables /usr/share/man/man8/iptables.8.gz
iptables-persistent:
tsocks: /usr/bin/tsocks /etc/tsocks.conf /usr/share/man/man1/tsocks.1.gz /usr/share/man/man8/tsocks.8.gz
inetutils-ping:
inetutils-traceroute: /usr/bin/inetutils-traceroute /usr/share/man/man1/inetutils-traceroute.1.gz
inetutils-tools:
ethtool: /usr/sbin/ethtool /usr/share/man/man8/ethtool.8.gz
python3: /usr/bin/python3.9-config /usr/bin/python3.9 /usr/bin/python3 /usr/lib/python3.9 /usr/lib/python3 /etc/python3.9 /etc/python3 /usr/local/lib/python3.9 /usr/include/python3.9 /usr/share/python3 /usr/share/man/man1/python3.1.gz
python3-dev:
python3-pip:

Listado de información del sistema CentOS Stream 8:


[root@centos-8 ~]# uname -a
Linux centos-8.local 4.18.0-365.el8.x86_64 #1 SMP Thu Feb 10 16:11:23 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

[root@centos-8 ~]# cat /etc/os-release 
NAME="CentOS Stream"
VERSION="8"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="8"
PLATFORM_ID="platform:el8"
PRETTY_NAME="CentOS Stream 8"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:8"
HOME_URL="https://centos.org/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux 8"
REDHAT_SUPPORT_PRODUCT_VERSION="CentOS Stream"

[root@centos-8 ~]# cat /etc/redhat-release 
CentOS Stream release 8

[root@centos-8 ~]# lsmod
Module                  Size  Used by
vboxsf                 90112  1
nls_utf8               16384  1
isofs                  49152  1
uinput                 20480  0
vboxvideo              32768  0
drm_vram_helper        20480  1 vboxvideo
drm_ttm_helper         16384  2 drm_vram_helper,vboxvideo
xt_CHECKSUM            16384  1
ipt_MASQUERADE         16384  3
xt_conntrack           16384  1
ipt_REJECT             16384  2
nft_compat             20480  16
nf_nat_tftp            16384  0
nft_objref             16384  1
nf_conntrack_tftp      16384  3 nf_nat_tftp
nft_counter            16384  33
bridge                278528  0
stp                    16384  1 bridge
llc                    16384  2 bridge,stp
nft_fib_inet           16384  1
nft_fib_ipv4           16384  1 nft_fib_inet
nft_fib_ipv6           16384  1 nft_fib_inet
nft_fib                16384  3 nft_fib_ipv6,nft_fib_ipv4,nft_fib_inet
nft_reject_inet        16384  5
nf_reject_ipv4         16384  2 nft_reject_inet,ipt_REJECT
nf_reject_ipv6         16384  1 nft_reject_inet
nft_reject             16384  1 nft_reject_inet
nft_ct                 20480  18
nf_tables_set          49152  20
nft_chain_nat          16384  12
nf_nat                 45056  3 ipt_MASQUERADE,nf_nat_tftp,nft_chain_nat
nf_conntrack          172032  6 xt_conntrack,nf_nat,nf_conntrack_tftp,nft_ct,ipt_MASQUERADE,nf_nat_tftp
nf_defrag_ipv6         20480  1 nf_conntrack
nf_defrag_ipv4         16384  1 nf_conntrack
ip_set                 49152  0
nf_tables             180224  456 nft_ct,nft_compat,nft_reject_inet,nft_fib_ipv6,nft_objref,nft_fib_ipv4,nft_counter,nft_chain_nat,nf_tables_set,nft_reject,nft_fib,nft_fib_inet
nfnetlink              16384  4 nft_compat,nf_tables,ip_set
sunrpc                565248  1
snd_intel8x0           45056  3
intel_rapl_msr         16384  0
intel_rapl_common      24576  1 intel_rapl_msr
snd_ac97_codec        143360  1 snd_intel8x0
crct10dif_pclmul       16384  1
ac97_bus               16384  1 snd_ac97_codec
snd_seq                81920  0
crc32_pclmul           16384  0
snd_seq_device         16384  1 snd_seq
snd_pcm               118784  2 snd_intel8x0,snd_ac97_codec
ghash_clmulni_intel    16384  0
snd_timer              36864  2 snd_seq,snd_pcm
snd                    98304  12 snd_seq,snd_seq_device,snd_intel8x0,snd_timer,snd_ac97_codec,snd_pcm
pcspkr                 16384  0
joydev                 24576  0
i2c_piix4              24576  0
soundcore              16384  1 snd
video                  49152  0
xfs                  1552384  2
libcrc32c              16384  4 nf_conntrack,nf_nat,nf_tables,xfs
sr_mod                 28672  1
sd_mod                 53248  3
cdrom                  65536  2 isofs,sr_mod
t10_pi                 16384  1 sd_mod
sg                     40960  0
ata_generic            16384  0
vmwgfx                372736  3
ttm                    73728  3 vmwgfx,drm_vram_helper,drm_ttm_helper
drm_kms_helper        266240  3 vmwgfx,drm_vram_helper,vboxvideo
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
drm                   585728  9 vmwgfx,drm_kms_helper,drm_vram_helper,vboxvideo,drm_ttm_helper,ttm
ahci                   40960  2
libahci                40960  1 ahci
ata_piix               36864  1
libata                262144  4 ata_piix,libahci,ahci,ata_generic
e1000                 151552  0
crc32c_intel           24576  1
serio_raw              16384  0
vboxguest             385024  7 vboxsf
dm_mirror              28672  0
dm_region_hash         20480  1 dm_mirror
dm_log                 20480  2 dm_region_hash,dm_mirror
dm_mod                151552  9 dm_log,dm_mirror
ipmi_devintf           20480  0
ipmi_msghandler       110592  1 ipmi_devintf
fuse                  155648  3

[root@centos-8 ~]# ps afx
    PID TTY      STAT   TIME COMMAND
      2 ?        S      0:00 [kthreadd]
      3 ?        I<     0:00  \_ [rcu_gp]
      4 ?        I<     0:00  \_ [rcu_par_gp]
      6 ?        I<     0:00  \_ [kworker/0:0H-events_highpri]
      8 ?        I      0:00  \_ [kworker/u2:0-events_unbound]
      9 ?        I<     0:00  \_ [mm_percpu_wq]
     10 ?        S      0:00  \_ [rcu_tasks_rude_]
     11 ?        S      0:00  \_ [rcu_tasks_trace]
     12 ?        S      0:00  \_ [ksoftirqd/0]
     13 ?        R      0:00  \_ [rcu_sched]
     14 ?        S      0:00  \_ [migration/0]
     15 ?        S      0:00  \_ [watchdog/0]
     16 ?        S      0:00  \_ [cpuhp/0]
     18 ?        S      0:00  \_ [kdevtmpfs]
     19 ?        I<     0:00  \_ [netns]
     20 ?        S      0:00  \_ [kauditd]
     21 ?        S      0:00  \_ [khungtaskd]
     22 ?        S      0:00  \_ [oom_reaper]
     23 ?        I<     0:00  \_ [writeback]
     24 ?        S      0:00  \_ [kcompactd0]
     25 ?        SN     0:00  \_ [ksmd]
     26 ?        SN     0:00  \_ [khugepaged]
     27 ?        I<     0:00  \_ [crypto]
     28 ?        I<     0:00  \_ [kintegrityd]
     29 ?        I<     0:00  \_ [kblockd]
     30 ?        I<     0:00  \_ [blkcg_punt_bio]
     31 ?        I<     0:00  \_ [tpm_dev_wq]
     32 ?        I<     0:00  \_ [md]
     33 ?        I<     0:00  \_ [edac-poller]
     34 ?        S      0:00  \_ [watchdogd]
     35 ?        I<     0:00  \_ [kworker/0:1H-kblockd]
     37 ?        I      0:00  \_ [kworker/u2:1-events_unbound]
     59 ?        S      0:00  \_ [kswapd0]
    161 ?        I<     0:00  \_ [kthrotld]
    162 ?        I<     0:00  \_ [acpi_thermal_pm]
    163 ?        I<     0:00  \_ [kmpath_rdacd]
    164 ?        I<     0:00  \_ [kaluad]
    165 ?        I<     0:00  \_ [ipv6_addrconf]
    166 ?        I<     0:00  \_ [kstrp]
    167 ?        I      0:00  \_ [kworker/0:2-cgroup_pidlist_destroy]
    445 ?        I<     0:00  \_ [iprt-VBoxWQueue]
    457 ?        I<     0:00  \_ [ata_sff]
    458 ?        S      0:00  \_ [scsi_eh_0]
    459 ?        I<     0:00  \_ [scsi_tmf_0]
    460 ?        S      0:00  \_ [scsi_eh_1]
    461 ?        I<     0:00  \_ [scsi_tmf_1]
    463 ?        S      0:00  \_ [scsi_eh_2]
    465 ?        I<     0:00  \_ [scsi_tmf_2]
    469 ?        I<     0:00  \_ [ttm_swap]
    470 ?        S      0:00  \_ [irq/18-vmwgfx]
    471 ?        S      0:00  \_ [card0-crtc0]
    472 ?        S      0:00  \_ [card0-crtc1]
    473 ?        S      0:00  \_ [card0-crtc2]
    474 ?        S      0:00  \_ [card0-crtc3]
    475 ?        S      0:00  \_ [card0-crtc4]
    476 ?        S      0:00  \_ [card0-crtc5]
    477 ?        S      0:00  \_ [card0-crtc6]
    478 ?        S      0:00  \_ [card0-crtc7]
    554 ?        I<     0:00  \_ [kdmflush/253:0]
    563 ?        I<     0:00  \_ [kdmflush/253:1]
    587 ?        I<     0:00  \_ [xfsalloc]
    588 ?        I<     0:00  \_ [xfs_mru_cache]
    589 ?        I<     0:00  \_ [xfs-buf/dm-0]
    590 ?        I<     0:00  \_ [xfs-conv/dm-0]
    591 ?        I<     0:00  \_ [xfs-cil/dm-0]
    592 ?        I<     0:00  \_ [xfs-reclaim/dm-]
    593 ?        I<     0:00  \_ [xfs-eofblocks/d]
    594 ?        I<     0:00  \_ [xfs-log/dm-0]
    595 ?        R      0:00  \_ [xfsaild/dm-0]
    797 ?        I<     0:00  \_ [xfs-buf/sda1]
    798 ?        I<     0:00  \_ [xfs-conv/sda1]
    800 ?        I<     0:00  \_ [xfs-cil/sda1]
    802 ?        I<     0:00  \_ [xfs-reclaim/sda]
    805 ?        I<     0:00  \_ [xfs-eofblocks/s]
    806 ?        I<     0:00  \_ [xfs-log/sda1]
    807 ?        S      0:00  \_ [xfsaild/sda1]
    846 ?        I<     0:00  \_ [rpciod]
    847 ?        I<     0:00  \_ [kworker/u3:0]
    848 ?        I<     0:00  \_ [xprtiod]
   3074 ?        I      0:00  \_ [kworker/0:1-ata_sff]
   3120 ?        I      0:00  \_ [kworker/0:0-events_power_efficient]
   3167 ?        I      0:00  \_ [kworker/u2:2-events_unbound]
      1 ?        Ss     0:01 /usr/lib/systemd/systemd --switched-root --system -
    692 ?        Ss     0:00 /usr/lib/systemd/systemd-journald
    730 ?        Ss     0:00 /usr/lib/systemd/systemd-udevd
    829 ?        Ss     0:00 /usr/bin/rpcbind -w -f
    833 ?        S<sl   0:00 /sbin/auditd
    835 ?        S<     0:00  \_ /usr/sbin/sedispatch
    862 ?        Ssl    0:00 /usr/libexec/udisks2/udisksd
    863 ?        Ssl    0:04 /usr/lib/polkit-1/polkitd --no-debug
    864 ?        Ss     0:00 /usr/lib/systemd/systemd-machined
    868 ?        Ss     0:00 avahi-daemon: running [centos-8.local]
    895 ?        S      0:00  \_ avahi-daemon: chroot helper
    870 ?        Ssl    0:00 /usr/bin/dbus-daemon --system --address=systemd: --
    875 ?        SNs    0:00 /usr/sbin/alsactl -s -n 19 -c -E ALSA_CONFIG_PATH=/
    881 ?        Ss     0:00 /usr/bin/lsmd -d
    882 ?        Ss     0:00 /usr/sbin/sssd -i --logger=files
    906 ?        S      0:00  \_ /usr/libexec/sssd/sssd_be --domain implicit_fil
    911 ?        S      0:00  \_ /usr/libexec/sssd/sssd_nss --uid 0 --gid 0 --lo
    883 ?        Ss     0:00 /usr/sbin/smartd -n -q never
    884 ?        SNsl   0:00 /usr/libexec/rtkit-daemon
    887 ?        S      0:00 /usr/sbin/chronyd
    901 ?        S      0:00 /bin/bash /usr/sbin/ksmtuned
   3369 ?        S      0:00  \_ sleep 60
    909 ?        Ssl    0:00 /usr/sbin/ModemManager
    910 ?        Ssl    0:00 /usr/libexec/platform-python -s /usr/sbin/firewalld
    967 ?        Ssl    0:00 /usr/libexec/accounts-daemon
    968 ?        Ss     0:00 /usr/lib/systemd/systemd-logind
   1010 ?        Ssl    0:00 /usr/sbin/NetworkManager --no-daemon
   1019 ?        Ss     0:00 /usr/sbin/cupsd -l
   1023 ?        Ssl    0:02 /usr/libexec/platform-python -Es /usr/sbin/tuned -l
   1026 ?        Ss     0:00 /usr/sbin/sshd -D -oCiphers=aes256-gcm@openssh.com,
   1032 ?        Ssl    0:00 /usr/sbin/gssproxy -D
   1251 ?        Ssl    0:00 /usr/sbin/rsyslogd -n
   1253 ?        Ss     0:00 /usr/sbin/crond -n
   1255 ?        Ss     0:00 /usr/sbin/atd -f
   1529 ?        S      0:00 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsm
   1532 ?        S      0:00  \_ /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/
   1826 ?        Ssl    0:00 /usr/sbin/gdm
   2174 ?        Sl     0:00  \_ gdm-session-worker [pam/gdm-password]
   2215 tty2     Ssl+   0:00      \_ /usr/libexec/gdm-wayland-session --register
   2224 tty2     Sl+    0:00          \_ /usr/libexec/gnome-session-binary
   2275 tty2     Sl+    0:10              \_ /usr/bin/gnome-shell
   2302 tty2     S+     0:00              |   \_ /usr/bin/Xwayland :0 -rootless 
   2324 tty2     Sl     0:00              |   \_ ibus-daemon --xim --panel disab
   2329 tty2     Sl     0:00              |       \_ /usr/libexec/ibus-dconf
   2333 tty2     Sl     0:00              |       \_ /usr/libexec/ibus-extension
   2472 tty2     Sl     0:00              |       \_ /usr/libexec/ibus-engine-si
   2412 tty2     Sl+    0:00              \_ /usr/libexec/gsd-power
   2415 tty2     Sl+    0:00              \_ /usr/libexec/gsd-print-notification
   2418 tty2     Sl+    0:00              \_ /usr/libexec/gsd-rfkill
   2430 tty2     Sl+    0:00              \_ /usr/libexec/gsd-screensaver-proxy
   2435 tty2     Sl+    0:00              \_ /usr/libexec/gsd-sharing
   2440 tty2     Sl+    0:00              \_ /usr/libexec/gsd-sound
   2443 tty2     Sl+    0:00              \_ /usr/libexec/gsd-xsettings
   2446 tty2     Sl+    0:00              \_ /usr/libexec/gsd-wacom
   2449 tty2     Sl+    0:00              \_ /usr/libexec/gsd-smartcard
   2455 tty2     Sl+    0:00              \_ /usr/libexec/gsd-account
   2474 tty2     Sl+    0:00              \_ /usr/libexec/gsd-a11y-settings
   2480 tty2     Sl+    0:00              \_ /usr/libexec/gsd-clipboard
   2484 tty2     Sl+    0:00              \_ /usr/libexec/gsd-color
   2486 tty2     Sl+    0:00              \_ /usr/libexec/gsd-datetime
   2489 tty2     Sl+    0:00              \_ /usr/libexec/gsd-housekeeping
   2497 tty2     Sl+    0:00              \_ /usr/libexec/gsd-keyboard
   2504 tty2     Sl+    0:00              \_ /usr/libexec/gsd-media-keys
   2507 tty2     Sl+    0:00              \_ /usr/libexec/gsd-mouse
   2573 tty2     Sl+    0:00              \_ /usr/libexec/gsd-disk-utility-notif
   2592 tty2     SNl+   0:00              \_ /usr/libexec/tracker-miner-apps
   2596 tty2     SNl+   0:00              \_ /usr/libexec/tracker-miner-fs
   2612 tty2     Sl+    0:01              \_ /usr/bin/gnome-software --gapplicat
   1842 ?        Sl     0:00 /usr/sbin/VBoxService --pidfile /var/run/vboxadd-se
   1996 ?        Ssl    0:00 /usr/libexec/upowerd
   2010 ?        Ss     0:00 /usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa
   2011 ?        Ssl    0:04 /usr/libexec/packagekitd
   2097 ?        Ssl    0:00 /usr/libexec/colord
   2184 ?        Ss     0:00 /usr/lib/systemd/systemd --user
   2189 ?        S      0:00  \_ (sd-pam)
   2204 ?        S<sl   0:00  \_ /usr/bin/pulseaudio --daemonize=no --log-target
   2219 ?        Ssl    0:00  \_ /usr/bin/dbus-daemon --session --address=system
   2290 ?        Ssl    0:00  \_ /usr/libexec/gvfsd
   2924 ?        Sl     0:00  |   \_ /usr/libexec/gvfsd-trash --spawner :1.16 /o
   2300 ?        Sl     0:00  \_ /usr/libexec/gvfsd-fuse /run/user/1000/gvfs -f 
   2311 ?        Ssl    0:00  \_ /usr/libexec/at-spi-bus-launcher
   2316 ?        Sl     0:00  |   \_ /usr/bin/dbus-daemon --config-file=/usr/sha
   2321 ?        Sl     0:00  \_ /usr/libexec/at-spi2-registryd --use-gnome-sess
   2327 ?        Ssl    0:00  \_ /usr/libexec/xdg-permission-store
   2343 ?        Sl     0:00  \_ /usr/libexec/ibus-portal
   2349 ?        Sl     0:00  \_ /usr/libexec/gnome-shell-calendar-server
   2358 ?        Ssl    0:00  \_ /usr/libexec/evolution-source-registry
   2367 ?        Ssl    0:00  \_ /usr/libexec/gvfs-udisks2-volume-monitor
   2373 ?        Sl     0:00  \_ /usr/libexec/goa-daemon
   2379 ?        Ssl    0:00  \_ /usr/libexec/gvfs-mtp-volume-monitor
   2386 ?        Ssl    0:00  \_ /usr/libexec/gvfs-gphoto2-volume-monitor
   2390 ?        Ssl    0:00  \_ /usr/libexec/gvfs-afc-volume-monitor
   2397 ?        Ssl    0:00  \_ /usr/libexec/gvfs-goa-volume-monitor
   2404 ?        Sl     0:00  \_ /usr/libexec/goa-identity-service
   2432 ?        Ssl    0:00  \_ /usr/libexec/evolution-calendar-factory
   2477 ?        Sl     0:00  |   \_ /usr/libexec/evolution-calendar-factory-sub
   2542 ?        Sl     0:00  \_ /usr/libexec/dconf-service
   2544 ?        Ssl    0:00  \_ /usr/libexec/evolution-addressbook-factory
   2594 ?        Sl     0:00  |   \_ /usr/libexec/evolution-addressbook-factory-
   2615 ?        Ssl    0:00  \_ /usr/libexec/tracker-store
   3195 ?        Ssl    0:00  \_ /usr/libexec/gnome-terminal-server
   3239 pts/0    Ss     0:00      \_ bash
   3285 pts/0    S      0:00          \_ su -
   3291 pts/0    S      0:00              \_ -bash
   3370 pts/0    R+     0:00                  \_ ps afx
   2209 ?        Sl     0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
   2338 tty2     Sl     0:00 /usr/libexec/ibus-x11 --kill-daemon
   2413 ?        Ss     0:00 /usr/libexec/sssd/sssd_kcm --uid 0 --gid 0 --logger
   2565 tty2     Sl+    0:00 /usr/libexec/gsd-printer
   2637 ?        S      0:00 /usr/bin/VBoxClient --clipboard
   2643 ?        Sl     0:00  \_ /usr/bin/VBoxClient --clipboard
   2658 ?        S      0:00 /usr/bin/VBoxClient --seamless
   2662 ?        Sl     0:00  \_ /usr/bin/VBoxClient --seamless
   2665 ?        S      0:00 /usr/bin/VBoxClient --draganddrop
   2670 ?        Sl     0:01  \_ /usr/bin/VBoxClient --draganddrop
   2674 ?        S      0:00 /usr/bin/VBoxClient --vmsvga
   2676 ?        S      0:00  \_ [VBoxDRMClient]
   2803 ?        Ssl    0:00 /usr/libexec/fwupd/fwupd

[root@centos-8 ~]# hostname -I
10.0.2.15 192.168.122.1 

[root@centos-8 ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:91:08:67 brd ff:ff:ff:ff:ff:ff
    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute enp0s3
       valid_lft 85397sec preferred_lft 85397sec
    inet6 fe80::a00:27ff:fe91:867/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 08:00:27:3c:3c:f9 brd ff:ff:ff:ff:ff:ff
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 52:54:00:83:bb:66 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever

[root@centos-8 ~]# ip route show
default via 10.0.2.2 dev enp0s3 proto dhcp metric 100 
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100 
192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 linkdown 

[root@centos-8 ~]# cat /etc/resolv.conf 
# Generated by NetworkManager
search local
nameserver 10.0.2.3

[root@centos-8 ~]# netstat -ntulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN      1529/dnsmasq        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1026/sshd           
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      1019/cupsd          
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      1/systemd           
tcp6       0      0 :::22                   :::*                    LISTEN      1026/sshd           
tcp6       0      0 ::1:631                 :::*                    LISTEN      1019/cupsd          
tcp6       0      0 :::111                  :::*                    LISTEN      1/systemd           
udp        0      0 127.0.0.1:323           0.0.0.0:*                           887/chronyd         
udp        0      0 0.0.0.0:37535           0.0.0.0:*                           868/avahi-daemon: r 
udp        0      0 0.0.0.0:5353            0.0.0.0:*                           868/avahi-daemon: r 
udp        0      0 192.168.122.1:53        0.0.0.0:*                           1529/dnsmasq        
udp        0      0 0.0.0.0:67              0.0.0.0:*                           1529/dnsmasq        
udp        0      0 0.0.0.0:111             0.0.0.0:*                           1/systemd           
udp6       0      0 ::1:323                 :::*                                887/chronyd         
udp6       0      0 :::46009                :::*                                868/avahi-daemon: r 
udp6       0      0 :::5353                 :::*                                868/avahi-daemon: r 
udp6       0      0 :::111                  :::*                                1/systemd 

[root@centos-8 ~]# ping -c 4 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=63 time=14.1 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=63 time=19.0 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=63 time=18.2 ms
64 bytes from 1.1.1.1: icmp_seq=4 ttl=63 time=19.7 ms

--- 1.1.1.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3008ms
rtt min/avg/max/mdev = 14.093/17.768/19.742/2.197 ms

[root@centos-8 ~]# dig example.com.

; <<>> DiG 9.11.36-RedHat-9.11.36-3.el8 <<>> example.com.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 65132
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;example.com.           IN  A

;; ANSWER SECTION:
example.com.        16503   IN  A   93.184.216.34

;; Query time: 16 msec
;; SERVER: 10.0.2.3#53(10.0.2.3)
;; WHEN: Mon Feb 28 23:28:18 CST 2022
;; MSG SIZE  rcvd: 56

[axelfmt@centos-8 ~]$ getent passwd ${USER}
axelfmt:x:1000:1000:axelfmt:/home/axelfmt:/bin/bash

[axelfmt@centos-8 ~]$ id
uid=1000(axelfmt) gid=1000(axelfmt) groups=1000(axelfmt),10(wheel),974(wireshark) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

[axelfmt@centos-8 ~]$ sudo -l
Matching Defaults entries for axelfmt on centos-8:
    !visiblepw, always_set_home, match_group_by_gid, always_query_group_plugin,
    env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS",
    env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE",
    env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES",
    env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE",
    env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY",
    secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin

User axelfmt may run the following commands on centos-8:
    (ALL) NOPASSWD: ALL

[axelfmt@centos-8 ~]$ sudo -i
[root@centos-8 ~]# 

[axelfmt@centos-8 ~]$ which wireshark tcpdump nmap netcat ngrep dsniff wget curl whois bind-utils net-tools iproute iptables iptables-services iputils traceroute ethtool
/usr/bin/wireshark
/usr/sbin/tcpdump
/usr/bin/nmap
/usr/bin/netcat
/usr/sbin/ngrep
/usr/sbin/dsniff
/usr/bin/wget
/usr/bin/curl
/usr/bin/whois
/usr/bin/which: no bind-utils in (/home/axelfmt/.local/bin:/home/axelfmt/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin)
/usr/bin/which: no net-tools in (/home/axelfmt/.local/bin:/home/axelfmt/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin)
/usr/bin/which: no iproute in (/home/axelfmt/.local/bin:/home/axelfmt/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin)
/usr/sbin/iptables
/usr/bin/which: no iptables-services in (/home/axelfmt/.local/bin:/home/axelfmt/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin)
/usr/bin/which: no iputils in (/home/axelfmt/.local/bin:/home/axelfmt/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin)
/usr/bin/traceroute
/usr/sbin/ethtool

[axelfmt@centos-8 ~]$ whereis wireshark tcpdump nmap netcat ngrep dsniff wget curl whois bind-utils net-tools iproute iptables iptables-services iputils traceroute ethtool
wireshark: /usr/bin/wireshark /usr/lib64/wireshark /usr/share/wireshark /usr/share/man/man1/wireshark.1.gz
tcpdump: /usr/sbin/tcpdump /usr/share/man/man8/tcpdump.8.gz
nmap: /usr/bin/nmap /usr/share/nmap /usr/share/man/man1/nmap.1.gz
netcat: /usr/bin/netcat /usr/share/man/man1/netcat.1.gz
ngrep: /usr/sbin/ngrep /usr/share/man/man8/ngrep.8.gz
dsniff: /usr/sbin/dsniff /etc/dsniff /usr/share/man/man8/dsniff.8.gz
wget: /usr/bin/wget /usr/share/man/man1/wget.1.gz /usr/share/info/wget.info.gz
curl: /usr/bin/curl /usr/share/man/man1/curl.1.gz
whois: /usr/bin/whois.md /usr/bin/whois /etc/whois.conf /usr/share/man/man1/whois.1.gz
bind-utils:
net-tools:
iproute:
iptables: /usr/sbin/iptables /usr/libexec/iptables /usr/share/man/man8/iptables.8.gz
iptables-services:
iputils:
traceroute: /usr/bin/traceroute /usr/share/man/man8/traceroute.8.gz
ethtool: /usr/sbin/ethtool /usr/share/man/man8/ethtool.8.gz

Primera imágen mostrando la
información general del
sistema debian.
Segunda imágen con info.
gnal. de debian 11.
Imágen mostrando la
información general del
sistema centos.