oot@wizard-AOA110:~# grep sudo /var/log/auth.log
Oct 18 19:07:58 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 19:08:42 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 19:10:02 wizard-AOA110 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/0 ruser=brian rhost= user=brian
Oct 18 19:10:21 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 19:24:53 wizard-AOA110 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/0 ruser=brian rhost= user=brian
Oct 18 19:25:18 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 19:25:57 wizard-AOA110 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/0 ruser=brian rhost= user=brian
Oct 18 19:26:13 wizard-AOA110 sudo: pam_unix(sudo:auth): conversation failed
Oct 18 19:26:13 wizard-AOA110 sudo: pam_unix(sudo:auth): auth could not identify password for [brian]
Oct 18 19:26:13 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 19:30:33 wizard-AOA110 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/0 ruser=brian rhost= user=brian
Oct 18 19:30:41 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 21:38:34 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 18 21:39:03 wizard-AOA110 sudo: pam_unix(sudo:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/0 ruser=brian rhost= user=brian
Oct 18 21:39:31 wizard-AOA110 sudo: pam_unix(sudo:auth): conversation failed
Oct 18 21:39:31 wizard-AOA110 sudo: pam_unix(sudo:auth): auth could not identify password for [brian]
Oct 18 21:39:31 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 19 08:33:34 wizard-AOA110 sudo: root : TTY=pts/0 ; PWD=/root ; USER=root ; COMMAND=/usr/bin/apt update
Oct 19 08:33:34 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=0)
Oct 19 08:33:44 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 08:34:20 wizard-AOA110 sudo: root : TTY=pts/0 ; PWD=/root ; USER=root ; COMMAND=/usr/bin/apt install -t unstable firefox
Oct 19 08:34:20 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=0)
Oct 19 08:34:21 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 10:53:59 wizard-AOA110 usermod[2619]: add 'brian' to group 'sudo'
Oct 19 10:53:59 wizard-AOA110 usermod[2619]: add 'brian' to shadow group 'sudo'
Oct 19 11:14:47 wizard-AOA110 sudo: brian : user NOT in sudoers ; TTY=pts/1 ; PWD=/home/brian ; USER=root ; COMMAND=/etc/apt/sources.list
Oct 19 13:09:21 wizard-AOA110 sudo: brian : TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 19 13:09:21 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Oct 19 13:09:30 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 13:10:02 wizard-AOA110 sudo: brian : TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt install -t unstable firefox
Oct 19 13:10:02 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Oct 19 13:10:02 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 13:10:56 wizard-AOA110 sudo: brian : TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt install flatpak
Oct 19 13:10:56 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Oct 19 13:11:31 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 13:21:06 wizard-AOA110 sudo: brian : TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/flatpak remote-add --if-not-exists flathub
https://flathub.org/repo/flathub.flatpakrepo
Oct 19 13:21:06 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Oct 19 13:21:07 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
Oct 19 19:32:32 wizard-AOA110 sudo: brian : TTY=pts/0 ; PWD=/home/brian ; USER=root ; COMMAND=/usr/bin/apt update
Oct 19 19:32:32 wizard-AOA110 sudo: pam_unix(sudo:session): session opened for user root(uid=0) by (uid=1000)
Oct 19 19:32:42 wizard-AOA110 sudo: pam_unix(sudo:session): session closed for user root
root@wizard-AOA110:~#