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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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| * [[Corosync and HA-proxy|Corosync and HA-proxy]] * [[Mariadb|Mariadb]] * [[Redis|Redis]] |
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| * [[MySQL|MySQL]] ''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.'' |
* [[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.