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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Articles tagged with: recovery

Secure Data Destruction for Unix

February 21, 2013 – 11:45 pm

What is secure computer data destruction? Simply put, securely-deleted data cannot be recovered by any known technique. But when it comes to data security, things are rarely simple. New data recovery methods are developed every …

VxVM Recovery Cheatsheet for Solaris

May 15, 2008 – 6:22 pm
sun_solaris_0002

This is a quick-and-dirty guide to recovering VxVM volumes and filesystems on a Solaris server. These instructions are not intended to be an in-depth troubleshooting guide for the Veritas Volume Manager. This is just something …

ReiserFS Filesystem Recovery

March 21, 2008 – 3:55 pm
968780_94091618

The this is a description of a method for recovering ReiserFS filesystems from failed disks with bad blocks, when other recovery methods (reiserfsck) will not work. For this example, the failed server is called node1 …

Protected: Notes on Electronic Security

February 7, 2006 – 12:05 pm

There is no excerpt because this is a protected post.

Resetting Root Password under Solaris

November 20, 2005 – 2:02 am
HP-Greets-IBM-2

The following document explains how to change an unknown root password on a Solaris system. Use this only for disaster recovery purposes. Please be sure to read the Notes section below if you run into …