How to monitor a Linux log file in real time Your email has been sent This must-know Linux command will make troubleshooting considerably easier. Quick: What’s the first thing you do when you ...

Log files are the most valuable tools available for Linux system security. The logrotate program is used to provide the administrator with an up-to-date record of events taking place on the system.

Linux system log files are by default set to rotate. Depending on the age or size, a sequence of files moves back a step, the oldest being removed and a new one taking over as the current log file ...

Whenever syslogd, the syslog dæmon, receives a log message, it acts based on the message's type (or facility) and its priority. syslog 's mapping of actions to facilities and priorities is specified ...

However, there also are stable shell-level utilities and new classes of monitoring dæmons for registering filesystem watches and reporting events. Linux installations using systemd also can access ...

Repeated failed login attempts on a Linux server can indicate that someone is trying to break into an account or might only mean that someone forgot their password or is mistyping it. In this post ...