Today, for the first time on one of our servers, I was unable to restart Apache. Running a configtest showed no errors, so something else was up. Looking in the Apache error logs, there was a line: "No space left on device: Cannot create SSLMutex".
I noticed on one server today a huge CPU load. A quick look at Netstat showed that most of the current traffic was coming from someone in Africa. I crossed referenced the IP address from Netstat with…
If you're running a new CentOS 6 server, depending on how it was setup, you might be missing whois: yum install bind-utils jwhois
For no other reason than 'I can never remember', this entry is being created. Most of my projects are ongoing, and rarely do I find the need to create new repositories. So when the time comes to run svnadmin create, I often find myself pondering the correct logistics of the svn import commmand.
Last week I did a short post on testing MailScanner to be sure it was scanning properly. An alert reader pointed out that I missed the easy solution, which was to simply use 'MailScanner --lint' to check if MailScanner was running properly. Since I wrote that article, I found that my MailScanner was again hogging the CPU. Last time it was an issue with f-prot interaction, this time it is a problem apparently with MailScanner. Here is what I did to debug this issue, and here is the post that helped me learn more about MailScanner.
Solution to a discrepancy between free space as shown by `du` and `df`.
While maintaining an older nagios3 install I recently came across this error: Could not stat() command file '/var/lib/nagios3/rw/nagios.cmd'! Easiest solution to this Nagios3 error was to Google it,…
If you are planning on using Math in mediawiki, and you have everything installed (Math, math, texvc, latex, dvipng) but you still get the error: Failed to parse (PNG conversion failed; check for…
This tutorial will walk you through the steps to installing Subversion 1.8.14 on cPanel. You will end up with a command line version and the ability to access your SVN repositories via the browser securely.
I've been using Node, npm, bower and gulp in my local Vagrant VM under Ubuntu. However, as one of my current projects will be shuffled off to a cPanel CentOS server soon, I thought I would check how easy it is to install all this on the cPanel side. This mini-how-to assumes you are running the latest cPanel (WHM 11.42.0 (build 23) as of this writing) running on CentOS 6. Assuming you have this configuration, then you will already have git installed and running as required by npm in some instances.