LPI Certification Level 1 Exam 101

Out of pure interest and curiosity, I have decided to pursue the LPIC-1: System Administrator certification by the Linux Professional Institute (LPI). In this post, I would like to share more about the exam, and the resources I have used to prepare. Disclaimer: This is NOT an advertisement or endorsement of the certification program or materials. […]

Finding Postgres pg_hba.conf File

The pg_hba.conf file is the PostgreSQL Client Authentication Configuration File, aka the Host Based Authentication File. Depending on your distro/system, it may be installed in different locations. One easy way to find it would be to issue the following command from the psql command line: psql > SHOW hba_file; This command will show you the […]

Installing Java 8 (OpenJDK) on Centos 7

OpenJDK Java 8 Runtime Environment (Can run but cannot compile Java code) # yum update # yum install java-1.8.0-openjdk   OpenJDK Java 8 Development Kit (Can run and compile Java code) # yum update # yum install java-1.8.0-openjdk-devel.x86_64   Not your cup of Java? See all flavors: # yum search java