blauwal@blauwal-ThinkPad-L540:~$ cd /var/log
blauwal@blauwal-ThinkPad-L540:/var/log$ ls
alternatives.log boot.log.2 dpkg.log.9.gz sysstat
alternatives.log.1 boot.log.3 faillog teamviewer15
alternatives.log.10.gz boot.log.4 firewalld tor
alternatives.log.11.gz boot.log.5 fontconfig.log ubuntu-advantage-license-check.log
alternatives.log.12.gz boot.log.6 gpu-manager.log ubuntu-advantage.log
alternatives.log.2.gz boot.log.7 hp ubuntu-advantage.log.1
alternatives.log.3.gz bootstrap.log installer ubuntu-advantage.log.2.gz
alternatives.log.4.gz btmp ipp-usb ubuntu-advantage.log.3.gz
alternatives.log.5.gz btmp.1 journal ubuntu-advantage.log.4.gz
alternatives.log.6.gz cups kern.log ubuntu-advantage.log.5.gz
alternatives.log.7.gz cups-browsed kern.log.1 ubuntu-advantage.log.6.gz
alternatives.log.8.gz dist-upgrade kern.log.2.gz ubuntu-advantage-timer.log
alternatives.log.9.gz dmesg kern.log.3.gz ubuntu-advantage-timer.log.1
apparmor dmesg.0 kern.log.4.gz ubuntu-advantage-timer.log.2.gz
apport.log dmesg.1.gz lastlog ubuntu-advantage-timer.log.3.gz
apport.log.1 dmesg.2.gz mail.err ubuntu-advantage-timer.log.4.gz
apport.log.2.gz dmesg.3.gz mail.log ubuntu-advantage-timer.log.5.gz
apport.log.3.gz dmesg.4.gz openvpn ubuntu-advantage-timer.log.6.gz
apport.log.4.gz dpkg.log private unattended-upgrades
apport.log.5.gz dpkg.log.1 README upgrade
apport.log.6.gz dpkg.log.10.gz samba wtmp
apport.log.7.gz dpkg.log.11.gz sddm.log wtmp.1
apt dpkg.log.12.gz speech-dispatcher wvdialconf.log
auth.log dpkg.log.2.gz syslog Xorg.0.log
auth.log.1 dpkg.log.3.gz syslog.1 Xorg.0.log.old
auth.log.2.gz dpkg.log.4.gz syslog.2.gz Xorg.1.log
auth.log.3.gz dpkg.log.5.gz syslog.3.gz Xorg.1.log.old
auth.log.4.gz dpkg.log.6.gz syslog.4.gz
boot.log dpkg.log.7.gz syslog.6.gz
boot.log.1 dpkg.log.8.gz syslog.7.gz
blauwal@blauwal-ThinkPad-L540:/var/log$