Top-level category for all posts/articles relating to Linux system administration.
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 […]
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. […]
The OpenSSL project is an open-source general purpose cryptography library that implements the SSL and TLS protocols. Configuration File The configuration file for OpenSSL is openssl.cnf. The location of which will probably vary across Linux […]
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/