CentOS 5

CentOS 5 server setup series: server security & reliability

This part of the CentOS 5 server setup howtos focuses on server security and reliability, showing how to harden the server to prevent break-ins and hacks as well as how to make the server more robust in the event of a system failure.

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CentOS 5 POP3/IMAP/SMTP mail server with virtual users [Dovecot LDA+SASL, Postfix]

This part of the CentOS 5 server setup howtos will show you how to configure Dovecot and Postfix to enable POP3/IMAP/SMTP services on your server, optionally using Response for mail autoresponders and amavisd-new for spam and virus filtering.

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CentOS 5 SQL database server [MySQL]

This part of the CentOS 5 server setup howtos will show you how to configure the MySQL database server to enable SQL services on your server.

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CentOS 5 SSH+SFTP for remote access and secure file transfers [OpenSSH]

This part of the CentOS 5 server setup howtos will show you how to configure OpenSSH to enable secure, key-based password-less authentication as well as user jail rooting. OpenSSH's internal SFTP server will also be configured for enabling fast and secure file transfers to the server.

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CentOS 5 server setup series: getting started

Preface

As of writing, the most recent version of CentOS available is 5.6 so I will be using it as the basis for this howto. If a newer version is available, I recommend you use that version instead. Much of these instructions should still apply, especially if it is only a newer 5.x release.

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