Linux articles - church1e's blog

Setting up an SSHD failover daemon in Ubuntu

13 Aug 2017 1 minute read 3777 visits.

A simple article on how to create a failover SSH server on a Ubuntu system, allowing you to connect on an alternative port of the original SSHD fails

2 Jul 2017 2 minute read 1362 visits.

Vagrant is a tool for building and managing virtual machine environments in a single workflow. With an easy-to-use workflow and focus on automation.

29 Aug 2016 3 minute read 1519 visits.

Every Linux system has three options when clearing cache without interrupting any processes or application services.

14 Feb 2016 1 minute read 407 visits.

SELinux gives the systems administrator a finer grain of control than what the kernel typically provides.

11 Jan 2016 1 minute read 3055 visits.

By default, RHEL doesn't prompt for a password and we are given root shell directly, as usually Single User mode can be used to reset root password.

12 Dec 2015 1 minute read 2933 visits.

During a test build of Ubuntu 15.10 I suddenly received the following error when refreshing the packages from the repository.

5 Nov 2015 2 minute read 579 visits.

Access control lists (ACLs) allow you to assign permissions to many different users and groups on individual files or directories.

21 Oct 2015 2 minute read 3996 visits.

This document describes how to use a Linux computer to extract the BaseSystem.dmg image file from an Mac OS X (10.7+) installation DVD

4 Nov 2015 1 minute read 4232 visits.

A short article on how to mount a DFS (distributed file system) on an Oracle Linux 5.11 system.

30 Sep 2015 1 minute read 1473 visits.

A short article providing a comparision between the service and systemctl utilities, and between the chkconfig and systemctl utilities