System/Kernel
www-data@permx:/var/www$ file /bin/bash ; uname -a ; cat /etc/*release
/bin/bash: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=7a6408ba82a2d86dd98f1f75ac8edcb695f6fd60, for GNU/Linux 3.2.0, stripped
Linux permx 5.15.0-113-generic #123-Ubuntu SMP Mon Jun 10 08:16:17 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=22.04
DISTRIB_CODENAME=jammy
DISTRIB_DESCRIPTION="Ubuntu 22.04.4 LTS"
PRETTY_NAME="Ubuntu 22.04.4 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.4 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammyUbuntu 22.04.4 LTS (Jammy Jellyfish)
5.15.0-113-generic
Networks
www-data@permx:/var/www$ ip route ; arp -a
default via 10.10.10.2 dev eth0
10.10.10.0/23 dev eth0 proto kernel scope link src 10.10.11.23
? (10.10.10.2) at 00:50:56:b9:1b:d3 [ether] on eth0
www-data@permx:/var/www$ netstat -antup4
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN -
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN -
tcp 0 1 10.10.11.23:46712 8.8.8.8:53 SYN_SENT -
tcp 0 0 10.10.11.23:40610 10.10.14.123:9000 ESTABLISHED 41037/bash
tcp 0 0 10.10.11.23:53856 10.10.16.61:4545 ESTABLISHED 40881/sh
tcp 0 0 10.10.11.23:46716 10.10.16.51:30002 ESTABLISHED 40795/bash
tcp 0 301 10.10.11.23:38934 10.10.14.143:9999 ESTABLISHED 41058/nc
tcp 0 0 10.10.11.23:58750 10.10.14.66:8080 ESTABLISHED 5421/bash
tcp 0 0 10.10.11.23:36848 10.10.15.35:4321 ESTABLISHED 1754/sh
tcp 0 0 10.10.11.23:22 10.10.14.66:36220 ESTABLISHED -
tcp 0 0 10.10.11.23:22 10.10.15.35:41550 ESTABLISHED -
udp 0 0 10.10.11.23:33079 8.8.8.8:53 ESTABLISHED -
udp 0 0 127.0.0.1:59909 127.0.0.53:53 ESTABLISHED -
udp 0 0 10.10.11.23:55898 8.8.8.8:53 ESTABLISHED -
udp 0 0 127.0.0.1:36242 127.0.0.53:53 ESTABLISHED -
udp 0 0 127.0.0.53:53 0.0.0.0:* -
udp 0 0 0.0.0.0:68 0.0.0.0:* - 127.0.0.1:3306
Users & Groups
www-data@permx:/var/www$ cat /etc/passwd ; ll /home
root:x:0:0:root:/root:/bin/bash
daemon:x:1:1:daemon:/usr/sbin:/usr/sbin/nologin
bin:x:2:2:bin:/bin:/usr/sbin/nologin
sys:x:3:3:sys:/dev:/usr/sbin/nologin
sync:x:4:65534:sync:/bin:/bin/sync
games:x:5:60:games:/usr/games:/usr/sbin/nologin
man:x:6:12:man:/var/cache/man:/usr/sbin/nologin
lp:x:7:7:lp:/var/spool/lpd:/usr/sbin/nologin
mail:x:8:8:mail:/var/mail:/usr/sbin/nologin
news:x:9:9:news:/var/spool/news:/usr/sbin/nologin
uucp:x:10:10:uucp:/var/spool/uucp:/usr/sbin/nologin
proxy:x:13:13:proxy:/bin:/usr/sbin/nologin
www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
_apt:x:100:65534::/nonexistent:/usr/sbin/nologin
systemd-network:x:101:102:systemd Network Management,,,:/run/systemd:/usr/sbin/nologin
systemd-resolve:x:102:103:systemd Resolver,,,:/run/systemd:/usr/sbin/nologin
messagebus:x:103:104::/nonexistent:/usr/sbin/nologin
systemd-timesync:x:104:105:systemd Time Synchronization,,,:/run/systemd:/usr/sbin/nologin
pollinate:x:105:1::/var/cache/pollinate:/bin/false
sshd:x:106:65534::/run/sshd:/usr/sbin/nologin
syslog:x:107:113::/home/syslog:/usr/sbin/nologin
uuidd:x:108:114::/run/uuidd:/usr/sbin/nologin
tcpdump:x:109:115::/nonexistent:/usr/sbin/nologin
tss:x:110:116:TPM software stack,,,:/var/lib/tpm:/bin/false
landscape:x:111:117::/var/lib/landscape:/usr/sbin/nologin
fwupd-refresh:x:112:118:fwupd-refresh user,,,:/run/systemd:/usr/sbin/nologin
usbmux:x:113:46:usbmux daemon,,,:/var/lib/usbmux:/usr/sbin/nologin
mtz:x:1000:1000:mtz:/home/mtz:/bin/bash
lxd:x:999:100::/var/snap/lxd/common/lxd:/bin/false
mysql:x:114:120:MySQL Server,,,:/nonexistent:/bin/false
total 12K
4.0K drwxr-x--- 6 mtz mtz 4.0K Jul 8 14:52 mtz
4.0K drwxr-xr-x 18 root root 4.0K Jul 1 13:05 ..
4.0K drwxr-xr-x 3 root root 4.0K Jan 20 18:10 .mtz
www-data@permx:/var/www$ cut -d: -f1 /etc/passwd | xargs -n1 id
cut -d: -f1 /etc/passwd | xargs -n1 id
uid=0(root) gid=0(root) groups=0(root)
uid=1(daemon) gid=1(daemon) groups=1(daemon)
uid=2(bin) gid=2(bin) groups=2(bin)
uid=3(sys) gid=3(sys) groups=3(sys)
uid=4(sync) gid=65534(nogroup) groups=65534(nogroup)
uid=5(games) gid=60(games) groups=60(games)
uid=6(man) gid=12(man) groups=12(man)
uid=7(lp) gid=7(lp) groups=7(lp)
uid=8(mail) gid=8(mail) groups=8(mail)
uid=9(news) gid=9(news) groups=9(news)
uid=10(uucp) gid=10(uucp) groups=10(uucp)
uid=13(proxy) gid=13(proxy) groups=13(proxy)
uid=33(www-data) gid=33(www-data) groups=33(www-data)
uid=34(backup) gid=34(backup) groups=34(backup)
uid=38(list) gid=38(list) groups=38(list)
uid=39(irc) gid=39(irc) groups=39(irc)
uid=41(gnats) gid=41(gnats) groups=41(gnats)
uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
uid=100(_apt) gid=65534(nogroup) groups=65534(nogroup)
uid=101(systemd-network) gid=102(systemd-network) groups=102(systemd-network)
uid=102(systemd-resolve) gid=103(systemd-resolve) groups=103(systemd-resolve)
uid=103(messagebus) gid=104(messagebus) groups=104(messagebus)
uid=104(systemd-timesync) gid=105(systemd-timesync) groups=105(systemd-timesync)
uid=105(pollinate) gid=1(daemon) groups=1(daemon)
uid=106(sshd) gid=65534(nogroup) groups=65534(nogroup)
uid=107(syslog) gid=113(syslog) groups=113(syslog),4(adm)
uid=108(uuidd) gid=114(uuidd) groups=114(uuidd)
uid=109(tcpdump) gid=115(tcpdump) groups=115(tcpdump)
uid=110(tss) gid=116(tss) groups=116(tss)
uid=111(landscape) gid=117(landscape) groups=117(landscape)
uid=112(fwupd-refresh) gid=118(fwupd-refresh) groups=118(fwupd-refresh)
uid=113(usbmux) gid=46(plugdev) groups=46(plugdev)
uid=1000(mtz) gid=1000(mtz) groups=1000(mtz)
uid=999(lxd) gid=100(users) groups=100(users)
uid=114(mysql) gid=120(mysql) groups=120(mysql)SUIDs
www-data@permx:/var/www$ find / -perm -04000 -ls -type f 2>/dev/null
266622 48 -rwsr-xr-x 1 root root 47488 Apr 9 15:32 /usr/bin/mount
263287 228 -rwsr-xr-x 1 root root 232416 Apr 3 2023 /usr/bin/sudo
266623 36 -rwsr-xr-x 1 root root 35200 Apr 9 15:32 /usr/bin/umount
269093 72 -rwsr-xr-x 1 root root 72072 Feb 6 12:54 /usr/bin/gpasswd
270628 56 -rwsr-xr-x 1 root root 55680 Apr 9 15:32 /usr/bin/su
263291 40 -rwsr-xr-x 1 root root 40496 Feb 6 12:54 /usr/bin/newgrp
269094 60 -rwsr-xr-x 1 root root 59976 Feb 6 12:54 /usr/bin/passwd
269091 44 -rwsr-xr-x 1 root root 44808 Feb 6 12:54 /usr/bin/chsh
269090 72 -rwsr-xr-x 1 root root 72712 Feb 6 12:54 /usr/bin/chfn
275908 20 -rwsr-xr-x 1 root root 18736 Feb 26 2022 /usr/libexec/polkit-agent-helper-1
276443 332 -rwsr-xr-x 1 root root 338536 Jun 26 13:11 /usr/lib/openssh/ssh-keysign
263585 36 -rwsr-xr-- 1 root messagebus 35112 Oct 25 2022 /usr/lib/dbus-1.0/dbus-daemon-launch-helperSGIDs
www-data@permx:/var/www$ find / -perm -02000 -ls -type f 2>/dev/null
643 0 drwxr-sr-x 2 root systemd-journal 40 Jul 8 13:34 /run/log/journal
1440 4 drwxrwsr-x 2 root mail 4096 Jun 7 14:39 /var/mail
1438 4 drwxrwsr-x 2 root staff 4096 Jun 7 14:39 /var/local
9262 4 drwxr-s--- 2 mysql adm 4096 Jun 7 14:39 /var/log/mysql
1790 4 drwxr-sr-x 3 root systemd-journal 4096 Jun 7 14:39 /var/log/journal
4522 4 drwxr-sr-x 2 root systemd-journal 4096 Jul 8 13:36 /var/log/journal/fd0d4dc0af924f53bb06d7f81b6fe30e
276392 288 -rwxr-sr-x 1 root _ssh 293304 Jun 26 13:11 /usr/bin/ssh-agent
269092 24 -rwxr-sr-x 1 root shadow 23136 Feb 6 12:54 /usr/bin/expiry
262771 40 -rwxr-sr-x 1 root crontab 39568 Mar 23 2022 /usr/bin/crontab
269089 72 -rwxr-sr-x 1 root shadow 72184 Feb 6 12:54 /usr/bin/chage
275758 16 -rwxr-sr-x 1 root utmp 14488 Mar 24 2022 /usr/lib/x86_64-linux-gnu/utempter/utempter
8576 4 drwxrwsr-x 2 root staff 4096 Jun 7 14:39 /usr/local/share/fonts
272192 28 -rwxr-sr-x 1 root shadow 26776 Jan 10 2024 /usr/sbin/unix_chkpwd
263716 24 -rwxr-sr-x 1 root shadow 22680 Jan 10 2024 /usr/sbin/pam_extrausers_chkpwdProcesses
www-data@permx:/var/www$ ps -auxwww
ps -auxwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
www-data 41060 0.0 0.1 7984 3972 pts/8 Ss 14:47 0:00 /bin/bash
www-data 41065 0.0 0.2 22084 11660 pts/8 S+ 14:47 0:00 mysql -u chamilo -pmysql -u chamilo -p
Cron & Systemd
www-data@permx:/var/www$ crontab -l ; cat /etc/crontab ; systemctl list-timers
no crontab for www-data
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to install the new version when you edit this file
# and files in /etc/cron.d. These files also have username fields,
# that none of the other crontabs do.
SHELL=/bin/sh
# You can also override PATH, but by default, newer versions inherit it from the environment
#PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# Example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * user-name command to be executed
17 * * * * root cd / && run-parts --report /etc/cron.hourly
25 6 * * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
47 6 * * 7 root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
52 6 1 * * root test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
#
NEXT LEFT LAST PASSED >
Mon 2024-07-08 15:09:00 UTC 12min left Mon 2024-07-08 14:39:01 UTC 17min ago>
Mon 2024-07-08 19:26:26 UTC 4h 30min left Sat 2024-01-20 18:10:52 UTC 5 months >
Mon 2024-07-08 22:24:58 UTC 7h left Sat 2024-01-20 18:10:52 UTC 5 months >
Tue 2024-07-09 00:00:00 UTC 9h left n/a n/a >
Tue 2024-07-09 00:00:00 UTC 9h left Mon 2024-07-08 13:34:53 UTC 1h 21min >
Tue 2024-07-09 01:48:27 UTC 10h left Mon 2024-07-08 13:50:14 UTC 1h 6min a>
Tue 2024-07-09 04:04:11 UTC 13h left Mon 2024-07-08 14:51:18 UTC 4min 57s >
Tue 2024-07-09 06:53:56 UTC 15h left Mon 2024-07-08 14:10:18 UTC 45min ago>
Tue 2024-07-09 13:39:54 UTC 22h left Mon 2024-07-08 13:39:54 UTC 1h 16min >
Tue 2024-07-09 13:49:51 UTC 22h left Mon 2024-07-08 13:49:51 UTC 1h 6min a>
Sun 2024-07-14 03:10:15 UTC 5 days left Mon 2024-07-08 13:35:33 UTC 1h 20min >
Sun 2024-07-14 23:00:00 UTC 6 days left Sat 2024-01-20 18:10:52 UTC 5 months >
Mon 2024-07-15 00:57:15 UTC 6 days left Mon 2024-07-08 13:53:35 UTC 1h 2min a>
13 timers listed.
Pass --all to see loaded but inactive timers, too.Sudo Version
www-data@permx:/var/www$ sudo --version
Sudo version 1.9.9
Sudoers policy plugin version 1.9.9
Sudoers file grammar version 48
Sudoers I/O plugin version 1.9.9
Sudoers audit plugin version 1.9.9Sudo version 1.9.9
Glibc Version
www-data@permx:/var/www$ ldd --version
ldd (Ubuntu GLIBC 2.35-0ubuntu3.8) 2.35
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.ldd (Ubuntu GLIBC 2.35-0ubuntu3.8) 2.35