Category Archives: Featured

Backup Commands in Linux & Unix with Usage and Examples

Unix and Linux backup and restore can be done using backup commands tar, cpio ufsdump, dump and restore. Though these commands may be sufficient for small setups in order to take a enterprise backup you have to go in for some custom backup and restore solutions like Symatic netbackup, EMC networker or Amanda.
Any backup solution using these commands depends on the type of backup you are taking as these backup commands offers different capabilities.

Crontab – Quick Reference

Setting up cron jobs in Unix, Solaris & Linux

cron is a Unix, solaris, Linux utility that allows tasks to be automatically run in the background at regular intervals by the cron daemon. 

Unix Commands Tutorial

Learn about the Unix commands with their usages and examples.
This Unix command tutorial introduces you with some of the most popular and useful commands used in nix operating system to get you started with Unix.
All Unix OS comes with online manual system, man, which can be used used as ,man , to get more details and complete set of options.

vi editor Quick Reference & Cheat Sheet

 

Introduction

Learn about the default text editor, vi, pronounced as ”vee eye”, in Unix, Linux and other Unix like systems. A short, concise vi quick reference lets you get started with vi today. Explains vi editor mode &  vi commands with examples for editing in vi.  Click to download and print  vi editor Cheat Sheet  in PDF format.

DNS Troubleshooting

DNS troubleshooting , this article describes some of the common dns problems and their solutions.
First phase of article describes dns errors relating to configuration , server setup and its basic functionality . Second phase talks about the nslookup related errors when the dns servers seems to be working correctly but names resolution fail .