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The main goal is to go as close to no downtime as possible. System uptime and availability is being increasingly important. Various services are expected to be accessibly at all times. The challenge is to configure and maintain such a system, with minimal downtime, and preferable no downtime at all.
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''This project is based on the GNU/Linux software packaged by Debian, currently the stretch release. The information provided here will most likely work on other GNU/Linux systems as well. Basic knowledge of GNU/Linux commandline tools, file editing etc. is required to use and understand this guide.''
 * [[GlusterFS|GlusterFS]]
 * [[Corosync and HA-proxy|Corosync and HA-proxy]]
 * [[Mariadb|Mariadb]]
 * [[Redis|Redis]]
 * [[Apache|Apache]]
 * [[LDAP|LDAP]]
 * [[Postfix|Postfix]]
 * [[Dovecot|Dovecot]]
 * [[Nextcloud|Nextcloud]]
 * [[OPNsense|OPNsense]]

''This project is based on the GNU/Linux software packaged by Debian, currently the buster release. The information provided here will most likely work on other GNU/Linux systems as well. Basic knowledge of GNU/Linux commandline tools, file editing, network etc. is required to use and understand this guide.''

Its all about uptime!

System uptime and availability is being increasingly important. Various services are expected to be accessibly at all times. The challenge is to configure and maintain such a system, with minimal downtime, and preferable no downtime at all.

These are our worst foes

  • Power outage
  • Internet access
  • Hardware malfunction
  • Software updates

To get around this a redundant system has to be built. Realizing that a redundant system consists of many redundant parts, virtualization naturally comes to mind.

Configure your system

Manage Virtual Domains

Network Planning

Configure a Redundant Service

This project is based on the GNU/Linux software packaged by Debian, currently the buster release. The information provided here will most likely work on other GNU/Linux systems as well. Basic knowledge of GNU/Linux commandline tools, file editing, network etc. is required to use and understand this guide.

TODO

None: Uptime (last edited 2021-12-31 11:46:57 by Kristian Kallenberg)