Nov  6 22:02:42 mypc login[10955]: pam_unix(login:session): session opened for user root by LOGIN(uid=0)
Nov  6 22:02:42 mypc login[11134]: ROOT LOGIN  on '/dev/tty1'
Nov  6 22:02:58 mypc login[10956]: pam_unix(login:session): session opened for user myuser by LOGIN(uid=0)
Nov  6 22:03:03 mypc polkitd[9472]: Registered Authentication Agent for unix-session:3 (system bus name :1.15 [/usr/libexec/polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8)
Nov  6 22:03:16 mypc pkexec: pam_unix(polkit-1:session): session opened for user root by (uid=1000)
Nov  6 22:03:17 mypc pkexec: pam_elogind(polkit-1:session): Cannot create session: Already running in a session
Nov  6 22:03:17 mypc pkexec[11461]: myuser: Executing command [USER=root] [TTY=unknown] [CWD=/] [COMMAND=/usr/sbin/xfpm-power-backlight-helper --set-brightness-switch 1]
Nov  6 22:04:08 mypc sudo:     myuser : TTY=pts/0 ; PWD=/home/myuser ; USER=root ; COMMAND=/bin/su
Nov  6 22:04:08 mypc sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
Nov  6 22:04:08 mypc sudo: pam_elogind(sudo:session): Cannot create session: Already running in a session
Nov  6 22:04:08 mypc su[11571]: Successful su for root by root
Nov  6 22:04:08 mypc su[11571]: + /dev/pts/0 root:root
Nov  6 22:04:08 mypc su[11571]: pam_unix(su:session): session opened for user root by (uid=0)
Nov  6 22:04:08 mypc su[11571]: pam_elogind(su:session): Cannot create session: Already running in a session
Nov  6 22:10:01 mypc crond[11668]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:10:01 mypc CROND[11668]: pam_unix(crond:session): session closed for user root
Nov  6 22:18:36 mypc su[11571]: pam_unix(su:session): session closed for user root
Nov  6 22:18:36 mypc sudo: pam_unix(sudo:session): session closed for user root
Nov  6 22:19:01 mypc pkexec: pam_unix(polkit-1:session): session opened for user root by (uid=1000)
Nov  6 22:19:01 mypc pkexec: pam_elogind(polkit-1:session): Cannot create session: Already running in a session
Nov  6 22:19:01 mypc pkexec[11838]: myuser: Executing command [USER=root] [TTY=unknown] [CWD=/] [COMMAND=/usr/sbin/xfpm-power-backlight-helper --set-brightness-switch 1]
Nov  6 22:19:01 mypc polkitd[9472]: Unregistered Authentication Agent for unix-session:3 (system bus name :1.15, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8) (disconnected from bus)
Nov  6 22:19:30 mypc polkitd[6403]: Loading rules from directory /etc/polkit-1/rules.d
Nov  6 22:19:30 mypc polkitd[6403]: Loading rules from directory /usr/share/polkit-1/rules.d
Nov  6 22:19:30 mypc polkitd[6403]: Finished loading, compiling and executing 5 rules
Nov  6 22:19:30 mypc polkitd[6403]: Acquired the name org.freedesktop.PolicyKit1 on the system bus
Nov  6 22:20:01 mypc crond[7061]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:20:02 mypc CROND[7061]: pam_unix(crond:session): session closed for user root
Nov  6 22:22:40 mypc polkitd[7480]: Loading rules from directory /etc/polkit-1/rules.d
Nov  6 22:22:40 mypc polkitd[7480]: Loading rules from directory /usr/share/polkit-1/rules.d
Nov  6 22:22:40 mypc polkitd[7480]: Finished loading, compiling and executing 5 rules
Nov  6 22:22:40 mypc polkitd[7480]: Acquired the name org.freedesktop.PolicyKit1 on the system bus
Nov  6 22:23:01 mypc login[7966]: pam_unix(login:session): session opened for user myuser by LOGIN(uid=0)
Nov  6 22:23:07 mypc polkitd[7480]: Registered Authentication Agent for unix-session:2 (system bus name :1.14 [/usr/libexec/polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8)
Nov  6 22:23:21 mypc pkexec: pam_unix(polkit-1:session): session opened for user root by (uid=1000)
Nov  6 22:23:21 mypc pkexec: pam_elogind(polkit-1:session): Cannot create session: Already running in a session
Nov  6 22:23:21 mypc pkexec[8448]: myuser: Executing command [USER=root] [TTY=unknown] [CWD=/] [COMMAND=/usr/sbin/xfpm-power-backlight-helper --set-brightness-switch 1]
Nov  6 22:30:01 mypc crond[8733]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:30:02 mypc CROND[8733]: pam_unix(crond:session): session closed for user root
Nov  6 22:40:01 mypc crond[8904]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:40:01 mypc CROND[8904]: pam_unix(crond:session): session closed for user root
Nov  6 22:43:43 mypc sudo:     myuser : TTY=pts/0 ; PWD=/home/myuser ; USER=root ; COMMAND=/bin/su
Nov  6 22:43:43 mypc sudo: pam_unix(sudo:session): session opened for user root by (uid=0)
Nov  6 22:43:43 mypc sudo: pam_elogind(sudo:session): Cannot create session: Already running in a session
Nov  6 22:43:43 mypc su[8994]: Successful su for root by root
Nov  6 22:43:43 mypc su[8994]: + /dev/pts/0 root:root
Nov  6 22:43:43 mypc su[8994]: pam_unix(su:session): session opened for user root by (uid=0)
Nov  6 22:43:43 mypc su[8994]: pam_elogind(su:session): Cannot create session: Already running in a session
Nov  6 22:50:01 mypc crond[9705]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:50:01 mypc CROND[9705]: pam_unix(crond:session): session closed for user root
Nov  6 22:59:01 mypc crond[9881]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 22:59:02 mypc CROND[9881]: pam_unix(crond:session): session closed for user root
Nov  6 23:00:01 mypc crond[9897]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 23:00:01 mypc CROND[9897]: pam_unix(crond:session): session closed for user root
Nov  6 23:10:01 mypc crond[10054]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 23:10:01 mypc CROND[10054]: pam_unix(crond:session): session closed for user root
Nov  6 23:20:01 mypc crond[10323]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 23:20:02 mypc CROND[10323]: pam_unix(crond:session): session closed for user root
Nov  6 23:30:01 mypc crond[10756]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 23:30:01 mypc CROND[10756]: pam_unix(crond:session): session closed for user root
Nov  6 23:38:51 mypc su[8994]: pam_unix(su:session): session closed for user root
Nov  6 23:38:51 mypc sudo: pam_unix(sudo:session): session closed for user root
Nov  6 23:38:51 mypc polkitd[7480]: Unregistered Authentication Agent for unix-session:2 (system bus name :1.14, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_GB.utf8) (disconnected from bus)
Nov  6 23:40:01 mypc crond[10948]: pam_unix(crond:session): session opened for user root by (uid=0)
Nov  6 23:40:01 mypc CROND[10948]: pam_unix(crond:session): session closed for user root