2015-03-29 20:32:35 +01:00
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---
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created: 2008-08-05 16:45:57 +0200
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2022-01-23 17:14:59 +00:00
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layout: redirect
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layout_old: default
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redirect_to: https://blog.mbirth.de/archives/2008/08/05/optimizing-linux.html
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2015-03-29 20:32:35 +01:00
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tags:
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2022-01-23 17:14:59 +00:00
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- know-how
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- software
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- linux
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title: Optimizing Linux
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toc: false
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updated: 2008-08-23 18:48:33 +0200
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2015-03-29 20:32:35 +01:00
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---
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2022-01-23 17:14:59 +00:00
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2015-03-29 20:32:35 +01:00
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At [Ubuntu Unleashed](http://www.ubuntu-unleashed.com/2008/04/tweak-and-optimize-ubuntu-linux-boot.html) you can find a
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document about different settings to optimize startup times of the system and applications itself.
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2015-03-29 21:05:46 +01:00
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The `noatime` and `nodiratime` settings are unneccessary in Hardy as the default option `relatime` only updates the
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2015-03-29 20:32:35 +01:00
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*access time* if the file has been modified after the last access timestamp.
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You can enable the full power of the [upstart](https://launchpad.net/upstart) manager by enabling multi-threading.
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2015-03-29 21:05:46 +01:00
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In `/etc/init.d/rc` at line 24, set `CONCURRENCY=shell`. But beware of slight problems upon booting. Some services might
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2015-03-29 20:32:35 +01:00
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be started before depending services are. Also some lines upon startup are printed twice. If you have problems
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2015-03-29 21:05:46 +01:00
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getting your machine up and running, change it back to `none`.
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2015-03-29 20:32:35 +01:00
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2015-03-29 21:05:46 +01:00
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Another nice feature is adding the `profile` option to the kernel line upon boot. The bootup will take longer than
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2015-03-29 20:32:35 +01:00
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usual but the readahead-daemon will catalog all needed files and on the next boot (without that parameter), all needed
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files will be preloaded before boot.
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2022-01-23 17:14:59 +00:00
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On Desktops with much RAM, the [preload](http://sf.net/projects/preload) daemon also speeds up working.
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