Tag Archives: sysadmins

Tuning MySQL: my.cnf, avoid this common pitfall!

Caution: Don’t overwrite your entire my.cnf at once when tuning MySQL. One or two changes per restart, benchmark, then continue. Take backups first and be careful! It took me some time to decide the title for this article. MariaDB has been fast replacing MySQL as a growing number of Linux distributions now default to MariaDB over MySQL. In […]

APM Showdown: Which APM tool is right for you?

Guest post by Anand Akela, Director of Product Marketing, AppDynamics. In an ever-increasing digital world, IT Operations teams are struggling to monitor their application landscapes and third-party dependencies. A major key in their toolbelts is an application performance monitoring (APM) solution, which can provide business and user context and correlation to their application performance. Choosing the […]

Use atop for Linux server performance analysis, here’s how

Why use atop? We’re all familiar with top, a real-time system monitor. Some prefer htop and recently I mentioned iotop but for disk read/write monitoring. Today, I wanted to highlight another popular tool for Linux server performance analysis… atop. Atop is a ASCII full-screen performance monitor which can log and report the activity of all server processes. One feature I […]

The Linux Foundation’s New Training Bundle to Increase Career Mobility for SysAdmins

SAN FRANCISCO, May 12, 2016 – The Linux Foundation, the nonprofit advancing professional open source management for mass collaboration, today announced the availability of its new course, LFS211 Advanced Linux System Administration and Networking. The course provides the knowledge and skills necessary to succeed as a senior Linux sysadmin, as well as to pass the […]

Review: GrooveHQ’s ‘Free Forever’ Plan, not free forever

Update Aug 20th 2016: You can read similar experiences by other users in the comments section below. List of free forever and paid help desk software worth a try: Freshdesk*, Desk, Help Scout*, HappyFox, Jitbit, Kayako, Deskero*, Enchant, Zendesk, SupportBee, Mojo Help Desk*, Zoho*, Helprace*, Reamaze, Keeping, Bornevia, Firehose Help Desk, Brimir*. *Truly Free Forever plan offered. If you are looking for a Help Desk solution, GrooveHQ works. But so does HelpScout and the others listed […]

OpenSSL Security Updates – Severity: High

A new set of security updates for OpenSSL were just released this morning to address various security vulnerabilities, some of which are considered to be “high” severity. Please update as soon as possible. To update keep an eye open for Linux distro updates via package managers such as yum, apt-get, etc. Control panel updates for cPanel and others will be released over […]