System/Kernel
shirohige@instant:~$ file /bin/bash ; uname -a ; cat /etc/*release
-bash: file: command not found
Linux instant 6.8.0-45-generic #45-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug 30 12:02:04 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=24.04
DISTRIB_CODENAME=noble
DISTRIB_DESCRIPTION="Ubuntu 24.04.1 LTS"
PRETTY_NAME="Ubuntu 24.04.1 LTS"
NAME="Ubuntu"
VERSION_ID="24.04"
VERSION="24.04.1 LTS (Noble Numbat)"
VERSION_CODENAME=noble
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=noble
LOGO=ubuntu-logoUbuntu 24.04.1 LTS (Noble Numbat)
6.8.0-45-generic
Networks
shirohige@instant:~$ ip route ; arp -a
default via 10.129.0.1 dev eth0
10.129.0.0/16 dev eth0 proto kernel scope link src 10.129.210.105
? (10.129.0.1) at 00:50:56:94:39:11 [ether] on eth0
shirohige@instant:~$ 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 0 127.0.0.1:8808 0.0.0.0:* LISTEN 1336/python3
tcp 0 0 127.0.0.1:8888 0.0.0.0:* LISTEN 1331/python3
tcp 0 0 127.0.0.54:53 0.0.0.0:* LISTEN -
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN -
tcp 0 1 10.129.210.105:43266 8.8.8.8:53 SYN_SENT -
udp 0 0 10.129.210.105:34762 8.8.8.8:53 ESTABLISHED -
udp 0 0 127.0.0.54:53 0.0.0.0:* -
udp 0 0 127.0.0.53:53 0.0.0.0:* -
udp 0 0 0.0.0.0:68 0.0.0.0:* -
udp 0 0 10.129.210.105:39144 8.8.8.8:53 ESTABLISHED -
udp 0 0 127.0.0.1:49847 127.0.0.53:53 ESTABLISHED -127.0.0.1:8808
Users & Groups
shirohige@instant:~$ 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
_apt:x:42:65534::/nonexistent:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
systemd-network:x:998:998:systemd Network Management:/:/usr/sbin/nologin
systemd-timesync:x:997:997:systemd Time Synchronization:/:/usr/sbin/nologin
dhcpcd:x:100:65534:DHCP Client Daemon,,,:/usr/lib/dhcpcd:/bin/false
messagebus:x:101:102::/nonexistent:/usr/sbin/nologin
systemd-resolve:x:992:992:systemd Resolver:/:/usr/sbin/nologin
pollinate:x:102:1::/var/cache/pollinate:/bin/false
polkitd:x:991:991:User for polkitd:/:/usr/sbin/nologin
usbmux:x:103:46:usbmux daemon,,,:/var/lib/usbmux:/usr/sbin/nologin
sshd:x:104:65534::/run/sshd:/usr/sbin/nologin
shirohige:x:1001:1002:White Beard:/home/shirohige:/bin/bash
_laurel:x:999:990::/var/log/laurel:/bin/false
total 12
drwxr-xr-x 3 root root 4096 Oct 4 15:22 ./
drwxr-xr-x 23 root root 4096 Oct 4 15:26 ../
drwxr-xr-x 7 shirohige shirohige 4096 Oct 4 15:22 shirohige/shirohige@instant:~$ 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=42(_apt) gid=65534(nogroup) groups=65534(nogroup)
uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
uid=998(systemd-network) gid=998(systemd-network) groups=998(systemd-network)
uid=997(systemd-timesync) gid=997(systemd-timesync) groups=997(systemd-timesync)
uid=100(dhcpcd) gid=65534(nogroup) groups=65534(nogroup)
uid=101(messagebus) gid=102(messagebus) groups=102(messagebus)
uid=992(systemd-resolve) gid=992(systemd-resolve) groups=992(systemd-resolve)
uid=102(pollinate) gid=1(daemon) groups=1(daemon)
uid=991(polkitd) gid=991(polkitd) groups=991(polkitd)
uid=103(usbmux) gid=46(plugdev) groups=46(plugdev)
uid=104(sshd) gid=65534(nogroup) groups=65534(nogroup)
uid=1001(shirohige) gid=1002(shirohige) groups=1002(shirohige),1001(development)
uid=999(_laurel) gid=990(_laurel) groups=990(_laurel)uid=1001(shirohige) gid=1002(shirohige) groups=1002(shirohige),1001(development)
SUIDs
shirohige@instant:~$ find / -perm -04000 -ls -type f 2>/dev/null
761 272 -rwsr-xr-x 1 root root 277936 Apr 8 2024 /usr/bin/sudo
6353 52 -rwsr-xr-x 1 root root 51584 Aug 9 02:33 /usr/bin/mount
6354 40 -rwsr-xr-x 1 root root 39296 Aug 9 02:33 /usr/bin/umount
412 40 -rwsr-xr-x 1 root root 39296 Apr 8 2024 /usr/bin/fusermount3
11490 56 -rwsr-xr-x 1 root root 55680 Aug 9 02:33 /usr/bin/su
537 40 -rwsr-xr-x 1 root root 40664 Apr 9 2024 /usr/bin/newgrp
323 44 -rwsr-xr-x 1 root root 44760 Apr 9 2024 /usr/bin/chsh
317 72 -rwsr-xr-x 1 root root 72792 Apr 9 2024 /usr/bin/chfn
553 64 -rwsr-xr-x 1 root root 64152 Apr 9 2024 /usr/bin/passwd
424 76 -rwsr-xr-x 1 root root 76248 Apr 9 2024 /usr/bin/gpasswd
9635 156 -rwsr-xr-x 1 root root 159016 Aug 20 22:39 /usr/lib/snapd/snap-confine
1093 20 -rwsr-xr-x 1 root root 18736 Apr 3 2024 /usr/lib/polkit-1/polkit-agent-helper-1
11960 336 -rwsr-xr-x 1 root root 342632 Aug 9 02:33 /usr/lib/openssh/ssh-keysign
18327 36 -rwsr-xr-- 1 root messagebus 34960 Aug 9 02:33 /usr/lib/dbus-1.0/dbus-daemon-launch-helperSGIDs
shirohige@instant:~$ find / -perm -02000 -ls -type f 2>/dev/null
6351 32 -rwxr-sr-x 1 root shadow 31040 May 2 22:20 /usr/sbin/unix_chkpwd
6338 28 -rwxr-sr-x 1 root shadow 26944 May 2 22:20 /usr/sbin/pam_extrausers_chkpwd
56235 40 -rwxr-sr-x 1 root crontab 39664 Mar 31 2024 /usr/bin/crontab
313 72 -rwxr-sr-x 1 root shadow 72184 Apr 9 2024 /usr/bin/chage
6999 304 -rwxr-sr-x 1 root _ssh 309688 Aug 9 02:33 /usr/bin/ssh-agent
397 28 -rwxr-sr-x 1 root shadow 27152 Apr 9 2024 /usr/bin/expiry
262179 4 drwxrwsr-x 2 root staff 4096 Aug 8 17:49 /usr/local/share/fonts
15975 4 drwxrwsr-x 2 root staff 4096 Apr 22 13:08 /var/local
131157 4 drwxr-sr-x 3 root systemd-journal 4096 Oct 4 15:22 /var/log/journal
55836 12 drwxr-sr-x 2 root systemd-journal 12288 Oct 10 10:41 /var/log/journal/6defbb9a597042b3ac33bae642a8430b
15973 4 drwxrwsrwt 2 root root 4096 Apr 23 09:40 /var/crash
15977 4 drwxrwsr-x 2 root mail 4096 Apr 23 09:37 /var/mail
499 0 drwxr-sr-x 2 root systemd-journal 40 Oct 10 10:40 /run/log/journalProcesses
shirohige@instant:~$ ps -auxwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.6 21784 12808 ? Ss Oct10 0:06 /sbin/init
root 411 0.0 1.1 74948 22880 ? S<s Oct10 0:13 /usr/lib/systemd/systemd-journald
root 444 0.0 1.3 288984 27136 ? SLsl Oct10 0:22 /sbin/multipathd -d -s
root 490 0.0 0.4 29840 8448 ? Ss Oct10 0:00 /usr/lib/systemd/systemd-udevd
systemd+ 531 0.0 0.6 21812 13056 ? Ss Oct10 0:19 /usr/lib/systemd/systemd-resolved
systemd+ 535 0.0 0.3 91020 7808 ? Ssl Oct10 0:14 /usr/lib/systemd/systemd-timesyncd
root 540 0.0 0.1 85824 2756 ? R<sl Oct10 0:09 /sbin/auditd
_laurel 544 0.0 0.3 10112 6528 ? R< Oct10 0:17 /usr/local/sbin/laurel --config /etc/laurel/config.toml
root 692 0.0 0.5 50892 11776 ? Ss Oct10 0:00 /usr/bin/VGAuthService
root 776 0.0 0.1 4068 3200 ? Ss Oct10 0:00 dhclient -1 -4 -v -i -pf /run/dhclient.eth0.pid -lf /var/lib/dhcp/dhclient.eth0.leases -I -df /var/lib/dhcp/dhclient6.eth0.leases eth0
message+ 814 0.0 0.2 9552 4992 ? Ss Oct10 0:00 @dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
root 829 0.0 0.4 18160 8704 ? Ss Oct10 0:00 /usr/lib/systemd/systemd-logind
shirohi+ 1331 0.0 2.7 137412 55032 ? Ss Oct10 0:38 /home/shirohige/projects/mywallet/myenv/bin/python3 app.py
root 1335 0.0 0.1 4236 2560 ? Ss Oct10 0:00 /usr/sbin/cron -f -P
shirohi+ 1336 0.0 3.0 289244 60356 ? Ss Oct10 0:38 /home/shirohige/projects/mywallet/myenv/bin/python3 serve.py
root 1361 0.0 0.0 3116 1920 tty1 Ss+ Oct10 0:00 /sbin/agetty -o -p -- \u --noclear - linux
root 1364 0.0 0.2 7216 5212 ? Ss Oct10 0:18 /usr/sbin/apache2 -k start
root 5628 0.0 0.4 12020 8064 ? Ss 19:01 0:00 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
www-data 5707 0.0 0.5 1214788 9916 ? Sl 19:15 0:01 /usr/sbin/apache2 -k start
www-data 5735 0.0 0.5 1215044 11624 ? Sl 19:15 0:01 /usr/sbin/apache2 -k start
www-data 5763 0.0 0.5 1214860 10532 ? Sl 19:15 0:00 /usr/sbin/apache2 -k start
root 6057 0.0 0.4 14740 8564 ? Ss 21:14 0:00 sshd: shirohige [priv]
shirohi+ 6064 0.0 0.5 20276 11264 ? Ss 21:15 0:00 /usr/lib/systemd/systemd --user
shirohi+ 6067 0.0 0.1 21148 3520 ? S 21:15 0:00 (sd-pam)
shirohi+ 6096 0.0 0.3 14964 6820 ? S 21:15 0:00 sshd: shirohige@pts/0
shirohi+ 6097 0.0 0.2 5116 4224 pts/0 Ss 21:15 0:00 -bash
shirohi+ 6212 3.1 0.5 705804 11504 pts/0 Sl+ 21:28 0:07 ./pspy64
root 6252 0.0 0.4 14740 7924 ? Ss 21:30 0:00 sshd: shirohige [priv]
shirohi+ 6273 0.0 0.2 5016 4224 pts/2 Ss 21:30 0:00 -bash
shirohi+ 6315 300 0.2 9764 5120 pts/2 R+ 21:32 0:00 ps -auxwww/usr/local/sbin/laurel --config /etc/laurel/config.toml
/home/shirohige/projects/mywallet/myenv/bin/python3 app.py
/home/shirohige/projects/mywallet/myenv/bin/python3 serve.py
Cron & Systemd
shirohige@instant:~$ crontab -l ; cat /etc/crontab ; systemctl list-timers
no crontab for shirohige
# /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:/usr/sbin:/usr/bin:/sbin:/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 UNIT ACTIVATES
Sun 2024-10-13 00:00:00 UTC 2h 25min Sat 2024-10-12 00:00:06 UTC 21h ago dpkg-db-backup.timer dpkg-db-backup.
service
Sun 2024-10-13 00:57:06 UTC 3h 22min Sat 2024-10-12 08:00:48 UTC 13h ago apt-daily.timer apt-daily.servi
ce
Sun 2024-10-13 01:00:23 UTC 3h 25min Sat 2024-10-12 12:53:48 UTC 8h ago motd-news.timer motd-news.servi
ce
Sun 2024-10-13 03:10:08 UTC 5h 35min Tue 2024-10-08 07:47:12 UTC - e2scrub_all.timer e2scrub_all.ser
vice
Sun 2024-10-13 06:03:34 UTC 8h Sat 2024-10-12 06:34:30 UTC 14h ago apt-daily-upgrade.timer apt-daily-upgra
de.service
Sun 2024-10-13 10:56:07 UTC 13h Sat 2024-10-12 10:56:06 UTC 10h ago systemd-tmpfiles-clean.timer systemd-tmpfile
s-clean.service
Mon 2024-10-14 00:20:44 UTC 1 day 2h Thu 2024-10-10 11:46:30 UTC 2 days ago fstrim.timer fstrim.service
7 timers listed.
Pass --all to see loaded but inactive timers, too.Sudo Version
shirohige@instant:~$ sudo --version
Sudo version 1.9.15p5
Sudoers policy plugin version 1.9.15p5
Sudoers file grammar version 50
Sudoers I/O plugin version 1.9.15p5
Sudoers audit plugin version 1.9.15p5Sudo version 1.9.15p5
Glibc Version
shirohige@instant:~$ ldd --version
ldd (Ubuntu GLIBC 2.39-0ubuntu8.3) 2.39
Copyright (C) 2024 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 2.39-0ubuntu8.3) 2.39