Category Archives: System Administration
Network monitoring is very essential for companies and small business to have control over the functionality of several workstations. The delivery of a service will be largely based on the condition of the network that handles the operation. With the … Continue reading
Even though I’ve been working with Classless Inter-Domain Routing (henceforth known as CIDR) for years now, I always need a bit up a help remember how many addresses are in each block and how many sub-blocks fit into larger blocks. … Continue reading
I am doing a few aesthetic upgrades, so naturally I want to backup some of my website files. However, I do not want everything, i.e. transient files such images. I tarred up the website’s primary directory but excluded its images … Continue reading
I realized that I missed a great episode of Colbert when a friend described at lunch how Colbert had likened the Barr attack on anonymous to him sticking his penis to the hornets nest. I hope you enjoy a laugh. … Continue reading
CPanel includes support in their installer for eaccelerator; still, for some strange reason they don’t include support for APC also. So, if you want to install APC on your CPanel powered server, you will have to go back at the … Continue reading
Setup ssh key authentication for password-less login between servers. For use by ssh/sftp users or scripts. Source Server (or local system) Generate RSA key for user on this system, you can also use DSA. This asks for key pass-phrase but … Continue reading
I’m sure almost everyone is aware at this point on the failure that caused Amazon cloud computing solution AWS to be down yesterday (and still is at some smaller extend happening at this time as we can see on their … Continue reading
Setup sftp-only access on default Redhat/CentOS install. Use built-in sftp-server which is non-chrooted and easy to setup. Server: Locate sftp-server binary and add to your list of valid shells on the system. which sftp-server Note: This will most likely give … Continue reading
While people are still waiting to for Centos 6 (after many month since RHEL6 was released) we got a little teaser in the release of Centos 5.6 last week. This is a minor security release, but it also brings in … Continue reading
The common headache for beginners who try to move their Drupal site with CiviCRM is the CiviCRM configuration on new location or domain. I did this countless times and dealt with different problems before. I’ve read many online tutorials and … Continue reading