Linux System Adminstration Blog / Tips / Tools
Some random notes on cP to DA restore cPanel user account must be owned by root when you create the backup on the cPanel server. When using the “Personal” version of DA, the admin user must be changed to match the user of the cPanel account you are trying to restore, as this version only […]
Read More »When moving a master from one server to another I came across a few issues with the new (v4) installer for SolusVM and CentOS 7. The server was loaded with the minimal install of CentOS, and there is no specific information on SolusVM’s site for dependencies. The first time I ran the install script, it […]
Read More »Hello once again, I had recently been asked to take a look at a server that was being reported as having a virus passed to unsuspecting visitors. I did the usual scan (using clamscan) and came up with a couple of files that had PHP shells. I removed those files, and started digging deeper. What […]
Read More »By default, Logwatch is not installed on a CentOS 6 (x64) server (not sure about 32bit versions..?). This is something that I have missed from using the previous versions of CentOS. As a server admin, I like to be able to review this file to see if anything funny or strange has happened over the […]
Read More »I just thought that I would let everyone that may be interested, that I am available for one time, or continuous server administration. Prices do vary, and if you would like more information, please feel free to reply to this post or email me directly at: Thanks!
Read More »Here are some quick tips on how to secure your Linux server. This is only a short list, but, they are must do’s! Some of which are: 1. Change ssh port (use keys if possible as well/allow only specific users) 2. Disable unneeded services 3. Install a good firewall 4. Disable dangerous / unused PHP […]
Read More »Here is a little code that I use to scan servers that I admin on for unwanted files. These include php shell’s and encoded files. You can add your own expressions as well. The expressions that I have listed are what I have found to most likely be in infected files.
Read More »I was recently asked to look at allowing custom php.ini files on a system where they were using FastCGI (fcgid) with SuExec to load php pages. This was a cPanel server using PHP5x, and after some research, I was able able to come up with a solution.
Read More »The latest cPanel release comes with the option to have php version 5.3.1, and also uses the latest release candidate for eAccelerator, 0.9.6-rc1. These options are available to you through the EasyApache interface. There seems however, to be some bugs which cause unexpected high loads on busy servers, which some believe, are caused by a […]
Read More »We are going to install mod_limitipconn in order to limit the number of connections per IP on our server. This can be a very useful tool, as it could help in lowering the load on your server due to someone connecting too many times from the same IP.
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