How to Monitor HAProxy Performance and Troubleshoot Issues
Running a high-performance, reliable web service involves more than just setting up a web server and letting it run. It requires constant monitoring and troubleshooting to ensure that everything is…
How to Troubleshoot TCP_MISS_Aborted/000 in Squid Proxy Server
In the world of proxy servers, a well-known and widely used software is Squid. It serves as a caching and forwarding HTTP web proxy, providing a variety of features that…
How to Test Posfix Mail Service using Telnet
In order to test the mail services working properly, testing needs to be performed. Instead of using GUI mail client or webmail to test the sending and receiving email,you also…
How to Fix Writable Issue or Error During Joomla CMS Pre-Installation Check on Linux
Joomla is a the dynamic portal engine and content management system. Some of the Joomla’s newbie don’t really familiar with the joomla installation process and some of them stuck on…