J'ai besoin d'intimité. Non pas parce que mes actions sont douteuses, mais parce que votre jugement et vos intentions le sont.
Many Linux servers are administered on the commandline e.g. with an SSH connection. In the following article, I will explain several shell commands that make it easy to view logfiles.
The most important command is
tail. Tail can be used to read the last lines from a file. Examples:
Get the last 100 lines from the Debian mail log file:
tail -n 100 /var/log/mail.log
To get all newly added lines from a log file in realtime on the shell, use the command:
tail -f /var/log/mail.log
to quit tail and go back to the command line press the keys [ctrl] + [c]
If you want to get the last 1000 lines from a log file and they do not fit into your shell window, you can use the command "more" to be able to view them line by line.
tail -n 1000 /var/log/mail.log | more
press [space] to go to the next line or [ctrl] + [c] to quit.
If you want to search for a specific term in a large file, the command "grep" comes in handy. Example: We search for the email address "firstname.lastname@example.org" in the mail log file:
grep "email@example.com" /var/log/mail.log
If you want to view the whole content of a file on the shell, use the command "cat". Example:
will show you detailed info about the CPU of your computer.