HowTos

This page contains some longer HowTos for achieving different tasks on CentOS systems.

1. Backups

• BackupPC

• Rotational backup with remote backup options

• Backing up with Amanda

• Backups with rsnapshot

2. Directory Services

• Setting up CentOS Directory Server

3. Diskless Clients

• Diskless Clients using NFS and PXE

4. E-Mail

• vpopmail

• Postfix: A simple Postfix/Dovecot mail server

• Postfix Restrictions: Simple spam filtering with Postfix

• Postgrey: Spam filtering with Postgrey greylisting on Postfix

• Postfix SASL & SSL/TLS: SASL and SSL/TLS for postfix and dovecot

• Amavisd: Amavisd with ClamAV and SpamAssassin

5. Encryption

• Encrypting /tmp /swap & /home

• Encrypting your Filesystem

6. FTP

• Chroot Vsftpd with non-system users

7. Webserver

• Setting up an SSL secured Webserver with CentOS

• Setting up kerberos authentication for apache httpd on CentOS

8. Kernel

• I Need the Kernel Source

• I Need to Build a Custom Kernel

• Build Your Own Kernel Modules

9. Network

• Setting up iptables on CentOS

• Configuring a High-Availability cluster with Heartbeat/DRBD

• Making Wireless work on your laptop (or desktop)

• Enabling NetworkManager

• Enabling wpa_supplicant without NetworkManager

10. Security

• Hardening CentOS

• SELinux Guide

• Securing SSH on your system

• Setting up iptables on CentOS

• Using vpnc on CentOS 5.x

11. Remote X Sessions

• FreeNX

• VNC

12. Migration

• Migration Guides

• ServerCD 4.4 migration to CentOS 5

13. Package Management

• Yum

• RPM

• PackageManagement

• Fastest Mirror: yum plugin to determine and use the fastest CentOS mirror

• Priorities: yum plugin that allows ranking repository priorities fom 1 to 99 ... can not be used with protectbase, but it has that functionality built in.

• Protect Base: yum plugin that prevents external repositories from overwriting CentOS packages

• YumCheckOrInstallUpdates: Shell script to automatically check for or install new updates.

• Install from Source: How (not) to install Software from Source on CentOS

• Yum on RHEL: Using CentOS Repositories on RHEL machines

• Create a local mirror for updates or installs

• Create local repositories for your own packages

• CentOS Repositories

• Spacewalk

14. Virtualization

• Introduction

• Move a native CentOS4 installation into a Xen DomU

• Installing and using a CentOS 5 Xen domU instance

• Installing and using a fully-virtualized Xen guest

• Installing and using KVM on CentOS 5

• Vserver on CentOS

• OpenVZ on CentOS

• VirtualBox on CentOS

15. PXE

• PXE on CentOS

16. Storage devices, Logical Volume Management, and RAID

• How to Setup a Software RAID on CentOS 5

• How to install CentOS on partitionable software RAID volumes

• How to convert a CentOS 5 system to RAID1 using a rescue disk

• Disk/filesystem optimization

17. Misc

• Subversion on CentOS

• Java on CentOS 4 and CentOS 5

• Skype on CentOS

• Configure a New Video Card

• Set Up a USB Key to Install CentOS

18. Non CentOS Applications

• Nagios on CentOS

• RT 3.4.x On CentOS 4.x

• Cacti on CentOS 4.x

• OCS Inventory NG on CentOS 5.x

19. CentOS on Laptops

• CentOS on Laptops

20. CentOS on Intel-based Apple computers

• CentOS on iMac / Mactel

21. CentOS Guidelines

Some normative documents about CentOS:

• How to edit the CentOS Wiki

• How to contribute your RPMs to the CentOS Project

• How to create public mirrors for CentOS

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