Category: Troubleshooting

Booting RHEL 7 and CentOS 7 into Rescue Mode

This write up will detail the proper way to boot your system into rescue mode on RHEL 7 and CentOS 7. Step 1 - At the Grub2 boot menu type e to edit the grub config. Note: Depending on you environment you may have to type p first and enter a grub password before having...

Adventures with TAR Command

This is just an random list of useful tar commands that I use on occasion. List Files within an TAR File


List Specific File within an TAR File


Configure ABRT Utility on RHEL/CentOS 6

This document details the process of configuring core dumps using abrt and third party non RPM application core dumps on RHEL/CentOS 6 Configure abrt for Collecting Core Dumps This section details the process for installing and configuring abrt on RHEL/CentOS 6 Step 1: Install the abrt and abrt-addon-ccpp packages using yum.

Step 2: Install...

Use lsof to Find Files Open After Being Deleted

This document guides you through the steps used to determine where filesystem space has gone if df shows a full filesystem but du shows something different. Running df shows that /var is 100% full.

Running du does not show where the space has gone.


The most likely issue is that someone...