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Posts about Linux

Updating Linux GNU Tar from Source on CentOS

I was recently tasked with migrating a GitLab instance from one ContOS Linux server to another which required creating a backup of the existing system via the gitlab-backup CLI utility. When I read the GitLab docs on creating backups I learned that gitlab-backup requires at least a version of 1.3 for GNU Tar. As of this writing it turns out this is not possible using the yum package manager so, in this article I walk you through how to upgrade the tar compression utiltity from source.

By Adam McQuistan on 09/26/2019

Developer's Guide to PostgreSQL on Linux: Installation

This is the first article of a series featuring a collection of useful tasks for administering PostgreSQL on the Linux operating systems Ubuntu 18 LTS as well as CentOS 7. PostgreSQL is a powerful and robust Object Relational Database which is freely available as open source software and widely popular. In this article I cover how to install and initialize the PostgreSQL database cluster. I also cover the key configuration files as well as their purpose.

Developer's Guide to PostgreSQL on Linux: psql shell

This is the second article of a series featuring a collection of useful tasks for administering PostgreSQL version 11 on the Linux operating systems Ubuntu 18 LTS as well as CentOS 7. For those unfamiliar, PostgreSQL is a powerful and robust Object Relational Database which is freely available as open source software and widely popular. In this article I introduce the psql interactive shell using the default postgres user.

Developer's Guide to PostgreSQL on Linux: Creating Accounts and Making Connections

This is the third article of a series featuring a collection of useful tasks for administering PostgreSQL on the Linux operating systems Ubuntu 18 LTS as well as CentOS 7. For those unfamiliar, PostgreSQL is a powerful and robust Object Relational Database which is freely available as open source software and widely popular. In this article I cover how to create user accounts and establish connections with these accounts.

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