Tag Archives: ram

optimizing ispconfig3 for a low end vps

Posted by on 02/03/2011 11 comments

ISPConfig 3 is a very nice open source hosting control panel for Linux based systems. Here are some things you can do in case you are running ispconfig3 on a low end vps and you want to free up resources. This post is based on centos and ispconfig3 v3.0.3.2

php handler

Preffer suPHP as the php handler for your websites

remove eaccelerator

issue

yum erase php-eaccelerator

to remove eaccelerator

disable clamav

ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats. ispconfig uses clamav to scan email attachments. By disabling clam you’ll gain a lot of ram

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32bit vs 64bit for a low end vps

Posted by on 24/02/2011 6 comments

low end vps are getting cheaper and cheaper nowadays and everybody with basic knowledge of Linux is preferring them over shared hosting. On a low end vps things are a bit more complicated than with high end ones, ram is precious. For every service needed for the vps, the first thing you think about is ram. What about the operating system architecture? Most of us are preferring 32bit versions for the operating system because we’ve heard that they are better at saving ram, but what is the difference?

is it a couple of MB? or hundrends of them?

In the following post i’m testing the  32bit version of centos 5.5 against the 64bit to find out. I’ll be installing virtualmin GPL version for each architecture, with all services enabled at post installation wizard, except postgres. For this test i used a not so low end vps, it is an openvz with 512guaranteed/1024burstable ram

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