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	<title>Ubuntu Tuning - Revision history</title>
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		<id>https://entorb.net//wiki/index.php?title=Ubuntu_Tuning&amp;diff=1887&amp;oldid=prev</id>
		<title>Torben: /* Disable Auto-FileSystem Check every X mounts */</title>
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		<updated>2012-06-04T08:28:38Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Disable Auto-FileSystem Check every X mounts&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Category:Linux]]&lt;br /&gt;
&lt;br /&gt;
see [http://wiki.ubuntuusers.de/Tuning]&lt;br /&gt;
&lt;br /&gt;
Tested with Version 10.10&lt;br /&gt;
&lt;br /&gt;
===BootLoader===&lt;br /&gt;
Remember last Boot option (Windows or Linux)&lt;br /&gt;
edit /etc/default/grub and add/change &lt;br /&gt;
 GRUB_DEFAULT=saved&lt;br /&gt;
 GRUB_SAVEDEFAULT=true&lt;br /&gt;
and run sudo update-grub2&lt;br /&gt;
&lt;br /&gt;
===Deutsches DatumsFormat in Thunderbird etc===&lt;br /&gt;
in /etc/environment   &lt;br /&gt;
 LC_CTYPE=&amp;quot;de_DE.UTF-8&amp;quot; # Character classification and case conversion.&lt;br /&gt;
 LC_COLLATE=&amp;quot;de_DE.UTF-8&amp;quot; # Collation order.&lt;br /&gt;
 LC_TIME=&amp;quot;de_DE.UTF-8&amp;quot;&lt;br /&gt;
 LC_NUMERIC=&amp;quot;en_US.UTF-8&amp;quot; # ENGLISH number format&lt;br /&gt;
 LC_MONETARY=&amp;quot;de_DE.UTF-8&amp;quot;&lt;br /&gt;
 LC_PAPER=&amp;quot;de_DE.UTF-8&amp;quot; # Paper size&lt;br /&gt;
 LC_NAME=&amp;quot;de_DE.UTF-8&amp;quot; # Name formats&lt;br /&gt;
 LC_ADDRESS=&amp;quot;de_DE.UTF-8&amp;quot;&lt;br /&gt;
 LC_TELEPHONE=&amp;quot;de_DE.UTF-8&amp;quot;&lt;br /&gt;
 LC_MEASUREMENT=&amp;quot;de_DE.UTF-8&amp;quot; # Measurement units (Metric or Other)&lt;br /&gt;
 LC_IDENTIFICATION=&amp;quot;de_DE.UTF-8&amp;quot; # Metadata about the locale information&lt;br /&gt;
&lt;br /&gt;
===Internet===&lt;br /&gt;
====Disable IPv6====&lt;br /&gt;
General&lt;br /&gt;
 sudo nano /etc/default/grub&lt;br /&gt;
 GRUB_CMDLINE_LINUX=&amp;quot;ipv6.disable=1&amp;quot;&lt;br /&gt;
 sudo update-grub2&lt;br /&gt;
&lt;br /&gt;
Firefox&lt;br /&gt;
 about:config&lt;br /&gt;
 network.dns.disableIPv6 = &amp;gt; true&lt;br /&gt;
 network.http.pipelining = &amp;gt; true&lt;br /&gt;
 network.http.pipelining.maxrequests =&amp;gt; 8&lt;br /&gt;
 network.http.proxy.pipelining =&amp;gt; true&lt;br /&gt;
Thunderbird: &lt;br /&gt;
 Edit-&amp;gt;Preferences-&amp;gt;Advanced-&amp;gt;Config Editor&lt;br /&gt;
&lt;br /&gt;
KDE&lt;br /&gt;
 # in /etc/environment&lt;br /&gt;
 KDE_NO_IPV6=true&lt;br /&gt;
&lt;br /&gt;
====Privacy====&lt;br /&gt;
See [[How_to_get_rid_of_Google_Analytics]] for some tuning of /etc/hosts&lt;br /&gt;
&lt;br /&gt;
===Less Swapping===&lt;br /&gt;
Less usage of swap partition (if min 2GB of RAM)&lt;br /&gt;
 sudo nano /etc/sysctl.conf&lt;br /&gt;
 vm.swappiness=5&lt;br /&gt;
&lt;br /&gt;
===Programms===&lt;br /&gt;
Firefox disable Pango rendering lib&lt;br /&gt;
 sudo nano /etc/environment&lt;br /&gt;
 MOZ_DISABLE_PANGO=&amp;quot;1&amp;quot;&lt;br /&gt;
&lt;br /&gt;
OpenOffice&amp;lt;br&amp;gt;&lt;br /&gt;
If you don&amp;#039;t need that extras that java JRE provides then simply disable it openoffice.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===SolidStateDisk (SSD)===&lt;br /&gt;
Better read/write speed via grub&amp;#039;s noop parameter&lt;br /&gt;
 sudo nano /etc/default/grub&lt;br /&gt;
 GRUB_CMDLINE_LINUX_DEFAULT = &amp;quot;quiet splash elevator=noop&amp;quot;&lt;br /&gt;
 GRUB_TIMEOUT = &amp;quot;3&amp;quot;&lt;br /&gt;
 sudo update-grub &lt;br /&gt;
&lt;br /&gt;
Put temporary files in RAM to minimize writes to the SSD :&lt;br /&gt;
 sudo nano /etc/fstab&lt;br /&gt;
 tmpfs /tmp tmpfs noexec,defaults,noatime 0 0&lt;br /&gt;
 tmpfs /var/tmp tmpfs noexec,defaults,noatime 0 0&lt;br /&gt;
 tmpfs /var/log tmpfs defaults 0 0&lt;br /&gt;
 tmpfs /var/log/apt tmpfs defaults 0 0&lt;br /&gt;
&lt;br /&gt;
Browsers cache to ram (decided not to do)&amp;lt;br&amp;gt;&lt;br /&gt;
put cache to /tmp after mounting /tmp as ramdisk (tmpfs)&amp;lt;br&amp;gt;&lt;br /&gt;
I decided to put in on my mechanical 2nd hard disk&lt;br /&gt;
&lt;br /&gt;
===ext3/ext4 tunes===&lt;br /&gt;
 # Disable Auto-FileSystem Check every X mounts&lt;br /&gt;
 sudo tune2fs /dev/sda1 -c -1 &lt;br /&gt;
 &lt;br /&gt;
 # automatische Indizierung von Ordnerinhalten aktivieren -&amp;gt; schnelleres lesen, langsameres schreiben&lt;br /&gt;
 sudo tune2fs -O dir_index /dev/sda3 &lt;br /&gt;
 # reservierter Speicherplatz verkleinern&lt;br /&gt;
 sudo tune2fs -m 1 /dev/sda3 &lt;br /&gt;
 # anwenden von letzten beiden &lt;br /&gt;
 sudo e2fsck -fD /dev/sda3   &lt;br /&gt;
 # ACHTUNG: Niemals e2fsck auf eine eingebundene Partition anwenden!&lt;br /&gt;
&lt;br /&gt;
===Empty Ram===&lt;br /&gt;
 free&lt;br /&gt;
 sudo sync &amp;amp;&amp;amp; sudo echo 3 &amp;gt; /proc/sys/vm/drop_caches&lt;br /&gt;
 free&lt;br /&gt;
[http://www.baecker.com/linux/buffers-und-caches-leeren.html]&lt;br /&gt;
&lt;br /&gt;
===No sudo Password for apt-get===&lt;br /&gt;
 sudo visudo&lt;br /&gt;
 torben	ALL=(ALL) NOPASSWD: /usr/bin/apt-get&lt;br /&gt;
 torben	ALL=(ALL) NOPASSWD: /usr/bin/dpkg&lt;/div&gt;</summary>
		<author><name>Torben</name></author>
	</entry>
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