Tag Archives: linux

htop and top Alternatives: Glances, nmon

Previously we took a look at top, atop and indirectly (due to it’s popularity as top’s alternative) htop (the last screenshot on this page).  But are there other alternatives worth looking at? As it pertains to system health and performance, this is largely a matter of preference regarding what data is most important to you. We […]

atop for Linux server performance analysis, here’s how

We’re all familiar with top, a real-time system monitor. Some prefer htop and previously I mentioned iotop for disk read/write monitoring. Lets looks at 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 really like is that atop […]

Logagent: The Swiss Army Knife for Log Processing?

Guest post by Stefan Thies DevOps Evangelist at Sematext Group Inc. Dealing with log files or extracting data from various data sources is a daily task in the IT administration. Users ask about statistics or details of their technical or business operations. The relevant data is often present in log files, databases or message queues. Converting […]

100+ Top Server Monitoring & Application Monitoring Tools

Last Update: May 16th 2018, 100+ December 1st 2017 update: 70 100 Top Server Monitoring & Application Monitoring Tools. August 6th 2017 update: 50 70 Top Server Monitoring & Application Monitoring Tools. Back in 2014, I compiled a list of the top 20 server performance monitoring solutions. Largely because I already had a list saved locally for my own reference. Sharing that […]

Analyze Your Website’s TTFB (Time to First Byte)

I’ve been using online services to analyze TTFB (time to first byte) or TTFB check using curl command line. High TTFB will often cause your page loads to be mysteriously slow or at the very least increase the latency between page loads. You should check to see if your TTFB is a performance issue or not. Try […]

Increase Performance and lifespan of SSDs & SD Cards

SSDs (solid-state drives) and SD (Secure Digital) cards have a limited number of writes before they wear out. To get the most out of this storage type lets investigate, then make a few adjustments to maximize the life of your SSDs and SD cards. Article refreshed from 3 years ago.   Using iotop to monitor and minimize […]

Avoid This When Tuning MySQL Query Cache for Performance

One of the most misconfigured MySQL performance features, is MySQL Query Cache Size. This post references a web server with 32 gigabytes of RAM where the existing config had MySQL’s query cache size set incorrectly to 4 gigabytes. The thought behind it seemed to be that more is better. Since the server has free RAM available, setting MySQL Query Cache […]

Best Linux Server Distro by main focus/strength

Are you trying to decide on a Linux server distro (distribution)? This article will help guide you based on the strengths of the Linux server distributions available. If you are looking for desktop advice, have a look at Choosing the Best Linux Distro for Desktop.   Best Linux Server distro Again, the first rule to remember […]

Linux benchmark scripts and tools

This list of Linux benchmark scripts and tools should prove useful for quick performance check of CPU, storage, memory and network on Linux servers and VPS. Recently, I used a Linux benchmark script which was no longer maintained by the. As a result, I compiled this quick list of scripts and tools for Linux benchmarking. […]

MySQL Performance: Stop hoarding. Drop unused MySQL databases

Last week I was assisting a new client in addressing MySQL performance issues. Although there were several areas where MySQL performance and throughput were increased, one issue overlooked for years and throughout several migrations was that of keeping around unused databases. In this case, with 64GB of RAM there was over 15GB of unused MySQL […]