Top-level category for all posts/articles relating to Linux system administration.
Sometimes, when you’re testing your access to a website for example, it can be useful to change the IP address you appear to be coming from. Ordinarily, when you go to a website, the website […]
Here we create our own yum repository on a fresh up-to-date installation of Centos 7. Configure Nginx First install the EPEL repository. And then Nginx. Start and enable Nginx. Install and configure a local firewall. […]
Occasionally I need to find the usable IP address range given a particular CIDR notation. Usually I use an online calculator but today I found a better Linux based CLI tool, sipcalc, which save me […]
Today I finally found a bit of time to migrate my GitLab instance from one cloud provider to another. Following my own guide on how to migrate to a new instance, I began by installing […]
Most cloud computers don’t come with swapping pre-enabled. There can however be times where this is required and/or beneficial. The process is pretty much the same for any Linux distro. To the the current state […]
Dependencies Run to the below command to install the GitLab dependencies. When prompted, select Internet Site when configuring Postfix. Enter the FQDN. Installing GitLab GitLab provides a bash script that add their repository for you. […]
Install XWiki and all dependant programs on a 4 GB cloud server. This means: 1) Java 2) Tomcat 3) MySQL/MariaDB 4) XWiki 5) Nginx Here we use Nginx as a reverse proxy to firstly redirect […]
Do not attempt to shrink a volume if the partition is mounted! Always unmount first! If it is the root volume you need to reduce in size, use a Live DVD/USB instead. You should also […]
Compressed Archive Resources How do I Compress a Whole Linux or UNIX Directory? http://www.cyberciti.biz/faq/how-do-i-compress-a-whole-linux-or-unix-directory/
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