Sendmail VirtuserTable Setup !!
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My Last Interview went finally well and that too one of the questions asked was "Does NFS support TCP or UDP?" I was lucky I had read this blog before I attempted the interview. THis is what Sysadmin should read about:

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You might want to publish e-books through webpage so that everyone can download from your space. In order to setup the required environment, we need to follow up the following steps:

1. Place all the Books under /var/www/html/ebook.
2. Uncomment the following lines under /etc/httpd/conf/httpd.conf so that the output should alike :


ServerAdmin root
DocumentRoot /var/www/html
ServerName localhost
ErrorLog logs/error_log
CustomLog...

Magnetic tape is a non-volatile storage medium consisting of a magnetic coating on a thin plastic strip. Nearly all recording tape is of this type, whether used for video, audio storage or general purpose digital data storage using a computer.

Linux (and other Unixish system) use mt command to control magnetic tape drive operation. You need to use mt command while working with tape drive. It allows you to reading and writing to tape.

The default tape drive under Linux...

How to SVN Replication?

svnsync is a tool for creating and maintaining read-only mirrors of subversion repositories. It works by replaying commits that occurred in one repository and committing it into another.
==== Basic Setup ====
First, you need to create your destination repository:


$ svnadmin create dest

Because svnsync uses revprops to keep track of bookkeeping information
(and because it...