The creators of Windows have brought the sysinternals procmon tool to the open source operating system.

Restoring Deleted Files in Linux

FOG: Clone and Deploy Desktop Computers

Getting to Know Firewalld

Manage logs with logrotate

Fail2ban: A Password Protection Service

Cross-Platform Database Management with DBeaver

Hardening Linux for Production Use

Become a certified Linux Admin professional with the Linux Professional Institute LPIC-1 Systems Administrator certification.

When something goes wrong on a system, the logfile is the first place to look for troubleshooting clues. Logstash, a log server with built-in analysis tools, consolidates logs from many servers and even makes the data searchable.

Programs rarely reveal what they are doing in the background, but a few clever tools, of interest to both programmers and administrators, monitor this activity and log system functions.

Hdparm is the tool to use when it comes to tuning your hard disk or DVD drive, but it can also measure read speed, deliver valuable information about the device, change important drive settings, and even erase SSDs securely.

Beyond flashing web emoticons, animated gif images can present trends that catch your eye in system monitoring.

The PowerTOP tool developed by Intel helps you save power. In version 2.0, it can also handle GPUs and offers advanced tracking features.

The Byobu session manager extends the shell, adding a range of useful functions, such as splitting the screen, running programs in the background, or organizing programs in tabs. In particular, administrators who rely on SSH will appreciate Byobu.