System/Kernel
redis@postman:~$ 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/l, for GNU/Linux 3.2.0, BuildID[sha1]=12f73d7a8e226c663034529c8dd20efec22dde54, stripped
linux postman 4.15.0-58-generic #64-ubuntu smp tue aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
NAME="Ubuntu"
VERSION="18.04.3 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.3 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 18.04.3 LTS (Bionic Beaver)
4.15.0-58-generic
x86_64
Networks
redis@Postman:~$ arp -a ; netstat -antup4
_gateway (10.10.10.2) at 00:50:56:b9:d7:84 [ether] on ens33
(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 0.0.0.0:6379 0.0.0.0:* LISTEN 608/redis-server 0.
tcp 0 0 0.0.0.0:10000 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 0 748 10.10.10.160:22 10.10.16.8:40686 ESTABLISHED -
udp 0 0 0.0.0.0:10000 0.0.0.0:* -
udp 0 0 127.0.0.53:53 0.0.0.0:* - Users & Groups
redis@postman:~$ 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:/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
uuidd:x:105:109::/run/uuidd:/usr/sbin/nologin
sshd:x:106:65534::/run/sshd:/usr/sbin/nologin
matt:x:1000:1000:,,,:/home/Matt:/bin/bash
redis:x:107:114::/var/lib/redis:/bin/bash
total 12K
4.0K drwxr-xr-x 22 root root 4.0K Sep 30 2020 ..
4.0K drwxr-xr-x 6 Matt Matt 4.0K Sep 11 2019 Matt
4.0K drwxr-xr-x 3 root root 4.0K Sep 11 2019 .Matt
redis@postman:~$ 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(uuidd) gid=109(uuidd) groups=109(uuidd)
uid=106(sshd) gid=65534(nogroup) groups=65534(nogroup)
uid=1000(Matt) gid=1000(Matt) groups=1000(Matt)
uid=107(redis) gid=114(redis) groups=114(redis)SUIDs
redis@Postman:~$ find / -perm -04000 -ls -type f 2>/dev/null
414083 428 -rwsr-xr-x 1 root root 436552 Mar 4 2019 /usr/lib/openssh/ssh-keysign
398798 12 -rwsr-xr-x 1 root root 10232 Mar 28 2017 /usr/lib/eject/dmcrypt-get-device
393999 44 -rwsr-xr-- 1 root messagebus 42992 Jun 10 2019 /usr/lib/dbus-1.0/dbus-daemon-launch-helper
400031 148 -rwsr-xr-x 1 root root 149080 Jan 18 2018 /usr/bin/sudo
398356 60 -rwsr-xr-x 1 root root 59640 Mar 22 2019 /usr/bin/passwd
394710 76 -rwsr-xr-x 1 root root 75824 Mar 22 2019 /usr/bin/gpasswd
394706 76 -rwsr-xr-x 1 root root 76496 Mar 22 2019 /usr/bin/chfn
413737 20 -rwsr-xr-x 1 root root 18448 Jun 28 2019 /usr/bin/traceroute6.iputils
393747 40 -rwsr-xr-x 1 root root 40344 Mar 22 2019 /usr/bin/newgrp
394707 44 -rwsr-xr-x 1 root root 44528 Mar 22 2019 /usr/bin/chsh
142388 32 -rwsr-xr-x 1 root root 30800 Aug 11 2016 /bin/fusermount
131179 28 -rwsr-xr-x 1 root root 26696 Oct 15 2018 /bin/umount
131243 44 -rwsr-xr-x 1 root root 44664 Mar 22 2019 /bin/su
131191 64 -rwsr-xr-x 1 root root 64424 Jun 28 2019 /bin/ping
131140 44 -rwsr-xr-x 1 root root 43088 Oct 15 2018 /bin/mountSGIDs
redis@postman:~$ find / -perm -02000 -ls -type f 2>/dev/null
131169 36 -rwxr-sr-x 1 root shadow 34816 Feb 27 2019 /sbin/pam_extrausers_chkpwd
131175 36 -rwxr-sr-x 1 root shadow 34816 Feb 27 2019 /sbin/unix_chkpwd
598 0 drwxr-sr-x 2 redis redis 60 oct 5 10:58 /run/redis
394708 24 -rwxr-sr-x 1 root shadow 22808 Mar 22 2019 /usr/bin/expiry
398621 40 -rwxr-sr-x 1 root crontab 39352 Nov 16 2017 /usr/bin/crontab
414076 356 -rwxr-sr-x 1 root ssh 362640 Mar 4 2019 /usr/bin/ssh-agent
414055 44 -rwxr-sr-x 1 root mlocate 43088 Mar 1 2018 /usr/bin/mlocate
412261 16 -rwxr-sr-x 1 root tty 14328 Jan 17 2018 /usr/bin/bsd-write
393591 32 -rwxr-sr-x 1 root tty 30800 Oct 15 2018 /usr/bin/wall
393832 72 -rwxr-sr-x 1 root shadow 71816 Mar 22 2019 /usr/bin/chage
414308 4 drwxrwsr-x 3 root staff 4096 Aug 24 2019 /usr/local/share/emacs
414309 4 drwxrwsr-x 2 root staff 4096 Aug 24 2019 /usr/local/share/emacs/site-lisp
396463 4 drwxrwsr-x 3 root staff 4096 Aug 24 2019 /usr/local/lib/python3.6
396464 4 drwxrwsr-x 2 root staff 4096 Aug 24 2019 /usr/local/lib/python3.6/dist-packages
426030 4 drwxrwsr-x 4 root staff 4096 Aug 25 2019 /usr/local/lib/python2.7
426031 4 drwxrwsr-x 2 root staff 4096 Aug 25 2019 /usr/local/lib/python2.7/dist-packages
426040 4 drwxrwsr-x 2 root staff 4096 Aug 25 2019 /usr/local/lib/python2.7/site-packages
262870 4 drwxr-sr-x 3 root systemd-journal 4096 Aug 24 2019 /var/log/journal
262183 4 drwxr-sr-x 2 root systemd-journal 4096 oct 5 10:58 /var/log/journal/2cb57e052840450f9a54b149b131d24d
262423 4 drwxrwsr-x 2 root mail 4096 Aug 24 2019 /var/mail
262363 4 drwxrwsr-x 2 root staff 4096 Apr 24 2018 /var/localProcesses
redis@Postman:~$ ps -auxwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.9 159340 8608 ? Ss 10:58 0:01 /sbin/init splash
root 226 0.0 1.6 94864 15084 ? S<s 10:58 0:00 /lib/systemd/systemd-journald
root 248 0.0 0.6 46920 5672 ? Ss 10:58 0:00 /lib/systemd/systemd-udevd
systemd+ 311 0.0 0.5 70628 5016 ? Ss 10:58 0:00 /lib/systemd/systemd-resolved
systemd+ 312 0.0 0.3 141928 3236 ? Ssl 10:58 0:00 /lib/systemd/systemd-timesyncd
root 328 0.0 1.1 91152 10712 ? Ss 10:58 0:00 /usr/bin/VGAuthService
root 329 0.1 0.8 153288 7476 ? S<sl 10:58 0:03 /usr/bin/vmtoolsd
root 335 0.0 1.8 170344 17112 ? Ssl 10:58 0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
root 341 0.0 0.3 31320 3200 ? Ss 10:58 0:00 /usr/sbin/cron -f
syslog 342 0.0 0.5 263036 4692 ? Ssl 10:58 0:00 /usr/sbin/rsyslogd -n
root 343 0.0 0.7 289844 7056 ? Ssl 10:58 0:00 /usr/lib/accountsservice/accounts-daemon
root 344 0.0 0.6 70608 6044 ? Ss 10:58 0:00 /lib/systemd/systemd-logind
message+ 347 0.0 0.4 49928 4336 ? Ss 10:58 0:00 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
root 606 0.0 0.2 16180 1992 tty1 Ss+ 10:58 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
redis 608 0.1 0.4 51576 4128 ? Ssl 10:58 0:04 /usr/bin/redis-server 0.0.0.0:6379
root 609 0.0 0.6 72296 5612 ? Ss 10:58 0:00 /usr/sbin/sshd -D
root 631 0.0 1.7 331332 16516 ? Ss 10:58 0:00 /usr/sbin/apache2 -k start
www-data 638 0.0 0.9 335744 9048 ? S 10:58 0:00 /usr/sbin/apache2 -k start
root 721 0.0 3.1 90944 28716 ? Ss 10:58 0:00 /usr/bin/perl /usr/share/webmin/miniserv.pl /etc/webmin/miniserv.conf
root 787 0.0 0.7 107984 7048 ? Ss 11:02 0:00 sshd: redis [priv]
redis 789 0.0 0.7 76644 6928 ? Ss 11:03 0:00 /lib/systemd/systemd --user
redis 790 0.0 0.2 193324 2136 ? S 11:03 0:00 (sd-pam)
redis 838 0.0 0.5 108140 4624 ? S 11:03 0:00 sshd: redis@pts/0
redis 841 0.0 0.5 22384 4696 pts/0 Ss 11:03 0:00 -bash
redis 1232 0.0 0.3 39664 3612 pts/0 R+ 11:52 0:00 ps -auxwww/usr/sbin/cron -f
/usr/bin/perl /usr/share/webmin/miniserv.pl /etc/webmin/miniserv.conf
Cron & Systemd
redis@postman:~$ crontab -l ; cat /etc/crontab ; systemctl list-timers
no crontab for redis
# /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 UNIT ACTIVATES
thu 2023-10-05 12:09:00 BST 15min left Thu 2023-10-05 11:39:00 BST 14min ago phpsessionclean.timer phpsessionclean.service
thu 2023-10-05 18:46:14 BST 6h left Thu 2023-10-05 10:58:21 BST 55min ago motd-news.timer motd-news.service
fri 2023-10-06 01:11:45 BST 13h left Thu 2023-10-05 10:58:21 BST 55min ago apt-daily.timer apt-daily.service
fri 2023-10-06 06:16:43 BST 18h left Thu 2023-10-05 10:58:21 BST 55min ago apt-daily-upgrade.timer apt-daily-upgrade.service
fri 2023-10-06 11:13:29 BST 23h left Thu 2023-10-05 11:13:29 BST 40min ago systemd-tmpfiles-clean.timer systemd-tmpfiles-clean.serv
mon 2023-10-09 00:00:00 BST 3 days left Thu 2023-10-05 10:58:21 BST 55min ago fstrim.timer fstrim.service
6 timers listed.
Pass --all to see loaded but inactive timers, too.
lines 1-10/10 (END)Sudo Version
redis@Postman:~$ sudo --version
Sudo version 1.8.21p2
Sudoers policy plugin version 1.8.21p2
Sudoers file grammar version 46
Sudoers I/O plugin version 1.8.21p2
redis@Postman:~$ ldd --versionSudo version 1.8.21p2
Glibc Version
redis@postman:~$ ldd --version
ldd (Ubuntu GLIBC 2.27-3ubuntu1) 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) 2.27