Installing and configuring Linux CDP Agents

R1Soft CDP is a easy to install and use continous data protection
system, primarily targeted at the hosting market. It backups up
multiple servers to a central backup server; multiple backup windows
can be performed per day, and files or even the whole disk can be
restored from the image. This tutorial will show you how to install the Linux Agent on a server which you want to be backed up, and how to
configure it.

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Preparing server for bare metal restore using R1Soft Live Rescue CD

Follow these steps to prepare a Linux or Windows server backup system,

prodced by R1Soft,   for a bare metal restore.

1. Put the R1Soft Live Rescue CD into the machine you are going to restore
to, and boot.

Press enter at the splash screen.

2. Once you are logged in, type


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Installing Cacti

Server monitoring is one of the most important aspects of managing a network. Cacti is a free PHP/MySQL script which can monitor everything from process counts to bandwidth, and is fairly easy to setup and use. If you have multiple clients you can even delegate specific access levels so that they can only view the graphs relevant to them.

This tutorial will guide you through setting up and configuring Cacti on a Linux server. 

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Installing Webmin

While the big control panel suites you can install, like cPanel or Plesk, are excellent for large scale deployments or easy system administration, sometimes you just want an interface to quickly carry out complex tasks, which doesn’t require a package as large as cPanel/Plesk.

Webmin, a free and powerful control panel, it easy to install and allows you to carry out administrative tasks in an easy to use browser based frontend. This tutorial will guide you through installing Webmin.

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cPanel Name Server Setup

It seems no matter which flavor of linux / unix you are running and which control panel software that setting up custom name servers is always a problem. This How-To will be for installing name servers on a Linux CPanel server. Custom Name Servers are great because you can provide your webhosting customers with instead of your server / upllink providers name servers. You will also know how to install Custom name servers for your reseller accounts.
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Egrep – Helpful linux command reference

While many people use the grep command through a pipe | there are more efficient ways of using it. I have nearly killed a server on many occasions by running cat filename |grep some-term while the command tries to list a huge file. Instead simply use egrep which is more efficient in terms of speed and system resources.

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DDOS check via number of connections

DDOS check via number of connections

A quick and usefull command for checking if a server is under DDOS is

That will list the IPs taking the most amount of connections to a server. It is important to remember that the ddos is becoming more sophistcated and they are using fewer connections with more attacking ips. If this is the case you will still get low number of connections even while you are under a DDOS.

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