What is NSlookup? NSlookup is a utility that allows users to verify that a given domain name
(or domain record) is resolving properly locally on their PC. It is also
useful to check DNS caching, to ensure that after a DNS changeover that the
PC is seeing the new IP address entry. Using NSlookup To access nslookup on a Windows workstation, perform one of the following:
Windows 7 or Vista: From the Start menu, in the search field, type cmd, and
then press Enter.
Please Note: It is wise to uninstall packages from third-party sources or
those that were manually installed via a .deb to prevent possible conflicts
and related issues. To begin, edit /etc/apt/sources.list and change all occurrences of lenny to
squeeze. A quick vi macro if you use it would be %s/lenny/squeeze/g. Once
finished, you file should look similar to the one below. # main repo
deb http://ftp.debian.org/debian/squeeze main
deb-src http://ftp.debian.org/debian/squeeze main
deb http://security.debian.org/ squeeze /updates main
deb-src http://security .debian.org/ squeeze /updates main Next we'll update...
Secure cPanel Introduction
This guide is intended to give some basic steps to Secure cPanel after the
initial installation. Please see our Initial Setup Guide if you have not
already completed it. Tweak cPanel Settings
Under Main » Server Configuration » Tweak Settings, enable (E) or disable
(D) the following options: Prevent users from parking/adding on common internet domains. (E)
Attempt to prevent pop3 connection floods (E)
Default catch-all/default address behavior for new accounts (Blackhole)
Use jailshell as the default shell for all new accounts and modified
Always redirect users to the...
dd is a very handy shell command for writing raw data blocks from one place
to another. Since it can read directly from raw device files, it is very
useful for copying entire partitions or drives from one location to
another. One traditional way to get this drive data from one location to
another is to pipe DD's output stream over SSH to a shell on a remote
machine which in turn uses dd to pipe it to...
Introduction to Imagick
Some versions of CentOS (including the most recent 5.5) have an issue with
a buggy 6.4.8 RPM version of ImageMagick. This version prevents the Imagick
PHP class from working properly, and also prevents the extension from being
installed via PECL. If you are using this PHP class on your site, you will see an error
something like: Fatal error: Class 'Imagick' not found in /home/user/public_html/file.php
on line 92 When trying to install via PECL, the error will be: ...
make: *** [imagick_helpers.lo]...