Consolidating Logs with Logstash Collect and Analyze System Data from a Single Interface

Jun 18, 2013

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.

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Tracing Tools Monitoring activities and system processes

Dec 19, 2012

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.

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Tune Your Hard Disk with hdparm Disk Inspector: Retrieving and setting hard drive parameters with hdparm

Dec 16, 2012

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.

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Charly's Column: Animated GIFs The sys admin’s daily grind – GIF animations

Nov 26, 2012

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

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Saving Energy with PowerTOP2.0

Oct 19, 2012

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

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Byobu Byobu, a session manager for the command line

Jun 21, 2012

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.

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Charly's Column: QPS The sys admin’s daily grind: QPS

Jun 21, 2012

The graphical tool QPS frees admins from Kafkaesque ambiguities about the cause, history, and side effects of running processes. Depending on the view, either clarity or detailed information dominate the scene.

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Unified Event Monitoring with Splunk

May 22, 2012

Secure your enterprise, monitor system performance, and more by harnessing the power of Splunk to search, monitor, report, and analyze events and data from any source.

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