System/Kernel
nibbler@nibbles:/var/www/html/nibbleblog/content$ file /bin/bash ; uname -a ; cat /etc/*release
/bin/bash: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=04eca96c5bf3e9a300952a29ef3218f00487d37b, stripped
linux nibbles 4.4.0-104-generic #127-ubuntu smp mon dec 11 12:16:42 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
NAME="Ubuntu"
VERSION="16.04.3 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.3 LTS"
VERSION_ID="16.04"
home_url="http://www.ubuntu.com/"
support_url="http://help.ubuntu.com/"
bug_report_url="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenialUbuntu 16.04.3 LTS (Xenial Xerus)
4.4.0-104-generic
x86-64
Networks
nibbler@Nibbles:/var/www/html/nibbleblog/content$ 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 0.0.0.0:22 0.0.0.0:* LISTEN -
tcp 0 79 10.10.10.75:33958 10.10.14.7:9999 ESTABLISHED 1538/sh
tcp 1 0 10.10.10.75:33956 10.10.14.7:9999 CLOSE_WAIT 1528/sh
udp 0 0 10.10.10.75:47336 10.10.10.2:53 ESTABLISHED - 127.0.0.1:3306
Users
nibbler@nibbles:/var/www/html/nibbleblog/content$ 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-timesync:x:100:102:systemd Time Synchronization,,,:/run/systemd:/bin/false
systemd-network:x:101:103:systemd Network Management,,,:/run/systemd/netif:/bin/false
systemd-resolve:x:102:104:systemd Resolver,,,:/run/systemd/resolve:/bin/false
systemd-bus-proxy:x:103:105:systemd Bus Proxy,,,:/run/systemd:/bin/false
syslog:x:104:108::/home/syslog:/bin/false
_apt:x:105:65534::/nonexistent:/bin/false
lxd:x:106:65534::/var/lib/lxd/:/bin/false
messagebus:x:107:111::/var/run/dbus:/bin/false
uuidd:x:108:112::/run/uuidd:/bin/false
dnsmasq:x:109:65534:dnsmasq,,,:/var/lib/misc:/bin/false
sshd:x:110:65534::/var/run/sshd:/usr/sbin/nologin
mysql:x:111:118:MySQL Server,,,:/nonexistent:/bin/false
nibbler:x:1001:1001::/home/nibbler:
total 12K
4.0K drwxr-xr-x 23 root root 4.0K Dec 15 2020 ..
4.0K drwxr-xr-x 3 nibbler nibbler 4.0K Dec 29 2017 nibbler
4.0K drwxr-xr-x 3 root root 4.0K Dec 10 2017 .
SUIDs
nibbler@Nibbles:/var/www/html/nibbleblog/content$ find / -perm -04000 -ls -type f 2>/dev/null
278 44 -rwsr-xr-- 1 root messagebus 42992 Jan 12 2017 /usr/lib/dbus-1.0/dbus-daemon-launch-helper
1260 40 -rwsr-xr-x 1 root root 38984 Jun 14 2017 /usr/lib/x86_64-linux-gnu/lxc/lxc-user-nic
1306 420 -rwsr-xr-x 1 root root 428240 Mar 16 2017 /usr/lib/openssh/ssh-keysign
15263 16 -rwsr-xr-x 1 root root 14864 Jan 17 2016 /usr/lib/policykit-1/polkit-agent-helper-1
3728 12 -rwsr-xr-x 1 root root 10232 Mar 27 2017 /usr/lib/eject/dmcrypt-get-device
5346 84 -rwsr-sr-x 1 root root 85832 Nov 30 2017 /usr/lib/snapd/snap-confine
5009 40 -rwsr-xr-x 1 root root 40432 May 16 2017 /usr/bin/chsh
3772 136 -rwsr-xr-x 1 root root 136808 Jul 4 2017 /usr/bin/sudo
5011 52 -rwsr-xr-x 1 root root 49584 May 16 2017 /usr/bin/chfn
5012 56 -rwsr-xr-x 1 root root 54256 May 16 2017 /usr/bin/passwd
5010 76 -rwsr-xr-x 1 root root 75304 May 16 2017 /usr/bin/gpasswd
14780 52 -rwsr-sr-x 1 daemon daemon 51464 Jan 14 2016 /usr/bin/at
3153 40 -rwsr-xr-x 1 root root 39904 May 16 2017 /usr/bin/newgrp
1274 36 -rwsr-xr-x 1 root root 32944 May 16 2017 /usr/bin/newgidmap
15272 24 -rwsr-xr-x 1 root root 23376 Jan 17 2016 /usr/bin/pkexec
1273 36 -rwsr-xr-x 1 root root 32944 May 16 2017 /usr/bin/newuidmap
262222 44 -rwsr-xr-x 1 root root 44680 May 7 2014 /bin/ping6
262164 40 -rwsr-xr-x 1 root root 40128 May 16 2017 /bin/su
277891 32 -rwsr-xr-x 1 root root 30800 Jul 12 2016 /bin/fusermount
274656 140 -rwsr-xr-x 1 root root 142032 Jan 28 2017 /bin/ntfs-3g
262201 28 -rwsr-xr-x 1 root root 27608 Jun 14 2017 /bin/umount
262221 44 -rwsr-xr-x 1 root root 44168 May 7 2014 /bin/ping
262196 40 -rwsr-xr-x 1 root root 40152 Jun 14 2017 /bin/mountSGIDs
nibbler@nibbles:/var/www/html/nibbleblog/content$ find / -perm -02000 -ls -type f 2>/dev/null
125 36 -rwxr-sr-x 1 root shadow 35600 Mar 16 2016 /sbin/unix_chkpwd
89 36 -rwxr-sr-x 1 root shadow 35632 Mar 16 2016 /sbin/pam_extrausers_chkpwd
7491 4 drwxrwsr-x 2 root staff 4096 Dec 10 2017 /var/local
8294 4 drwxr-sr-x 2 man root 4096 Dec 28 2017 /var/cache/man
7507 4 drwxrwsr-x 2 root mail 4096 Dec 10 2017 /var/mail
309 0 drwxr-sr-x 3 root systemd-journal 60 oct 14 16:48 /run/log/journal
310 0 drwxr-s--- 2 root systemd-journal 100 oct 14 16:48 /run/log/journal/ed3fde19803f222811e9abca59c53afc
3129 4 drwxrwsr-x 3 root staff 4096 Sep 22 2017 /usr/local/lib/python3.5
3130 4 drwxrwsr-x 2 root staff 4096 Jul 19 2016 /usr/local/lib/python3.5/dist-packages
152051 4 drwxrwsr-x 6 root staff 4096 Sep 22 2017 /usr/local/share/xml
276360 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/xml/declaration
276362 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/xml/schema
276361 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/xml/entities
152052 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/xml/misc
151958 4 drwxrwsr-x 7 root staff 4096 Sep 22 2017 /usr/local/share/sgml
151960 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/sgml/stylesheet
151959 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/sgml/declaration
151963 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/sgml/dtd
151961 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/sgml/entities
151962 4 drwxrwsr-x 2 root staff 4096 Sep 22 2017 /usr/local/share/sgml/misc
41516 4 drwxrwsr-x 2 root staff 4096 Dec 10 2017 /usr/local/share/fonts
14821 12 -rwxr-sr-x 1 root utmp 10232 Mar 11 2016 /usr/lib/x86_64-linux-gnu/utempter/utempter
5346 84 -rwsr-sr-x 1 root root 85832 Nov 30 2017 /usr/lib/snapd/snap-confine
3692 28 -rwxr-sr-x 1 root tty 27368 Jun 14 2017 /usr/bin/wall
4969 24 -rwxr-sr-x 1 root shadow 22768 May 16 2017 /usr/bin/expiry
14825 428 -rwxr-sr-x 1 root utmp 434216 Feb 7 2016 /usr/bin/screen
14780 52 -rwsr-sr-x 1 daemon daemon 51464 Jan 14 2016 /usr/bin/at
173 36 -rwxr-sr-x 1 root crontab 36080 Apr 5 2016 /usr/bin/crontab
14451 40 -rwxr-sr-x 1 root mlocate 39520 Nov 18 2014 /usr/bin/mlocate
4968 64 -rwxr-sr-x 1 root shadow 62336 May 16 2017 /usr/bin/chage
13697 16 -rwxr-sr-x 1 root tty 14752 Mar 1 2016 /usr/bin/bsd-write
1317 352 -rwxr-sr-x 1 root ssh 358624 Mar 16 2017 /usr/bin/ssh-agentProcesses
nibbler@Nibbles:/var/www/html/nibbleblog/content$ ps -aux | grep -i 'root' --color=auto
root 1 0.1 0.6 119904 6104 ? Ss 16:48 0:01 /sbin/init
[...]
root 507 0.0 0.3 28336 3032 ? Ss 16:48 0:00 /lib/systemd/systemd-journald
[...]
root 556 0.0 0.1 102972 1672 ? Ss 16:48 0:00 /sbin/lvmetad -f
root 570 0.0 0.3 44320 3732 ? Ss 16:48 0:00 /lib/systemd/systemd-udevd
root 1010 0.2 1.0 192244 10000 ? Ssl 16:48 0:02 /usr/bin/vmtoolsd
root 1026 0.0 0.1 20104 1168 ? Ss 16:48 0:00 /lib/systemd/systemd-logind
root 1031 0.1 0.2 161876 2460 ? Ssl 16:48 0:01 /usr/bin/lxcfs /var/lib/lxcfs/
root 1036 0.0 0.2 29012 2840 ? Ss 16:48 0:00 /usr/sbin/cron -f
root 1039 0.0 0.1 4400 1280 ? Ss 16:48 0:00 /usr/sbin/acpid
root 1044 0.0 0.7 275860 7984 ? Ssl 16:48 0:00 /usr/lib/accountsservice/accounts-daemon
root 1047 0.0 2.2 268684 22672 ? Ssl 16:48 0:00 /usr/lib/snapd/snapd
root 1083 0.0 0.6 277092 5992 ? Ssl 16:48 0:00 /usr/lib/policykit-1/polkitd --no-debug
root 1098 0.0 0.0 13376 168 ? Ss 16:48 0:00 /sbin/mdadm --monitor --pid-file /run/mdadm/monitor.pid --daemonise --scan --syslog
root 1205 0.0 0.5 65524 5188 ? Ss 16:49 0:00 /usr/sbin/sshd -D
root 1228 0.0 0.0 5224 132 ? Ss 16:49 0:00 /sbin/iscsid
root 1229 0.0 0.3 5724 3516 ? S<Ls 16:49 0:00 /sbin/iscsid
root 1310 0.0 0.1 15940 1652 tty1 Ss+ 16:49 0:00 /sbin/agetty --noclear tty1 linux
root 1359 0.0 2.3 326216 23920 ? Ss 16:49 0:00 /usr/sbin/apache2 -k start
nibbler 1596 0.0 0.0 11288 944 pts/1 S+ 17:06 0:00 grep -i root --color=auto/usr/sbin/cron
/usr/lib/policykit-1/polkitd
Cron & Systemd
nibbler@nibbles:/var/www/html/nibbleblog/content/private/plugins/my_image$ crontab -l ; cat /etc/crontab ; systemctl list-timers --all
no crontab for nibbler
# /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
fri 2023-01-13 23:39:00 EST 23min left Fri 2023-01-13 23:09:05 EST 6min ago
sat 2023-01-14 03:59:13 EST 4h 43min left Fri 2023-01-13 22:45:06 EST 30min ag
sat 2023-01-14 06:31:29 EST 7h left Fri 2023-01-13 22:45:08 EST 30min ag
sat 2023-01-14 09:52:05 EST 10h left Fri 2023-01-13 22:45:08 EST 30min ag
sat 2023-01-14 23:00:05 EST 23h left Fri 2023-01-13 23:00:05 EST 15min ag
n/a n/a n/a n/a
n/a n/a n/a n/a
n/a n/a n/a n/a
8 timers listed.Sudo Version
nibbler@Nibbles:/var/www/html/nibbleblog/content/private/plugins/my_image$ sudo -V
Sudo version 1.8.16
Sudoers policy plugin version 1.8.16
Sudoers file grammar version 45
Sudoers I/O plugin version 1.8.16Glibc Version
nibbler@nibbles:/var/www/html/nibbleblog/content/private/plugins/my_image$ ldd --version
ldd (Ubuntu GLIBC 2.23-0ubuntu9) 2.23
Copyright (C) 2016 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.