Bash #13 - Log files and commands to view them

In this video we'll go through different log files in Debian and Fedora based distros like Ubuntu and RedHat. We'll also cover different commands that help viewing the log files. #terminal #linux #logs #rockylinux #ubuntu #redhat https://itvraag.nl Timestamp: 0:00 Intro 0:19 my setup with Ubuntu & Rocky Linux VMs 0:40 log files path 0:55 list of log files 1:13 commands to view log files 1:35 cat syslog 2:38 less auth.log 3:15 tail dpkg.log (most recent) 3:50 head kern.log 4:21 watch auth.log (live logs) 4:48 grep logs (search pattern) 5:46 dmesg (diagnotic messages) 6:19 logger (custom logs entries to syslog) 6:48 journalctl 8:40 log priorities Related video: Bash #1 - basic concepts: https://youtu.be/C-HwzPVLo1c Bash #4 - variables: https://youtu.be/mOSnZ7zOF3g Bash #6 - package manager APT: https://youtu.be/ZKPs-rnG6E0 Bash #7 - package manager DNF: https://youtu.be/T5QMnvHie0M Vagrant #6 - Hyper-V: https://youtu.be/HNsdfTRfnig Used commands: hostnamectl cd /var/log sudo cat syslog sudo less auth.log sudo tail dpkg.log sudo tail -5 dpkg.log sudo head kern.log sudo head -5 kern.log sudo watch tail auth.log sudo grep -i service syslog sudo cat syslog | grep -i service sudo tail kern.log | grep audit sudo cat auth.log | grep failure sudo dmesg sudo dmesg | grep -i driver sudo dmesg | grep -i usb sudo dmesg --level=err,warn sudo dmesg -T --level=err,warn sudo dmesg --follow sudo watch tail syslog sudo logger adding a custom log entry for itvraag sudo logger testing a new log entry by $USER on $(date) journalctl journalctl -r journalctl -n 4 journalctl -fu ssh journalctl --list-boots journalctl -b 2 journalctl --since="2022-03-10 19:40:00" journalctl --since "10 min ago"

Видео Bash #13 - Log files and commands to view them автора Веб-разработка и JavaScript