System Administration
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1 Secure Password Generator
The PC Tools Password Generator allows you to create random passwords that are highly secure and extremely difficult to crack or guess due to an optional combination of lower and upper case letters, numbers and punctuation symbols.
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2 Configuring A High Availability Cluster (Heartbeat)
This guide shows how you can set up a two node, high-availability HTTP cluster with heartbeat on CentOS. Both nodes use the Apache web server to serve the same content.
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3 Microsoft Exchange Server portal
Microsoft Exchange Server portal for information of interest to corporate users of Microsoft Exchange and those who are just interested. Contains software, information, faqs, news, forums and more. No MS Exchange administrator can do without this resource.
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4 Filehippo
Free software downloads, with an ability to get previous versions.
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5 eBox Platform
eBox Platform can act as a Gateway, an Infrastructure Manager, a Unified Threat Manager, an Office Server, a Unified Communication Server or a combination of them. One single, easy-to-use platform to manage all your network services.
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6 opsi (open pc server integration) the open source Client Management System Document Actions
opsi is an open source Client Management System for Windows clients and is based on Linux servers

Key features:

* Automatic OS installation (unattended or image based)
* Automatic software distribution and patch management
* Hardware and software inventories
* License management

opsi server runs on Debian, Ubuntu, OpenSuse, SLES, CentOS, UCS and RHEL.
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7 OTRS
OTRS is an open source software system for managing a wide range of business processes, from Help Desk to Support Center to IT Service Management. Based on a set of functions built on a "trouble ticket," OTRS is built to allow support, sales, pre-sales, billing, internal IT, support desk and many other departments to react quickly and responsibly to inbound inquires. Do you receive many e-mails and want to answer them with a team of agents? You're going to love OTRS!
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8 DNS Stuff
WHOIS Lookup, Traceroute, IP Information
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