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	<id>https://wiki.avdelning.se/index.php?action=history&amp;feed=atom&amp;title=Kryptera_filsystem_med_cryptsetup_i_ubuntu</id>
	<title>Kryptera filsystem med cryptsetup i ubuntu - Revision history</title>
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	<updated>2026-07-11T04:22:34Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.45.3</generator>
	<entry>
		<id>https://wiki.avdelning.se/index.php?title=Kryptera_filsystem_med_cryptsetup_i_ubuntu&amp;diff=291&amp;oldid=prev</id>
		<title>Linadmin: 2 revisions imported</title>
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		<updated>2026-05-11T21:53:20Z</updated>

		<summary type="html">&lt;p&gt;2 revisions imported&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:53, 11 May 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Linadmin</name></author>
	</entry>
	<entry>
		<id>https://wiki.avdelning.se/index.php?title=Kryptera_filsystem_med_cryptsetup_i_ubuntu&amp;diff=290&amp;oldid=prev</id>
		<title>Linuxwiki&gt;Wikiadmin at 11:01, 7 September 2016</title>
		<link rel="alternate" type="text/html" href="https://wiki.avdelning.se/index.php?title=Kryptera_filsystem_med_cryptsetup_i_ubuntu&amp;diff=290&amp;oldid=prev"/>
		<updated>2016-09-07T11:01:46Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:01, 7 September 2016&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:luks]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:luks]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;/table&gt;</summary>
		<author><name>Linuxwiki&gt;Wikiadmin</name></author>
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	<entry>
		<id>https://wiki.avdelning.se/index.php?title=Kryptera_filsystem_med_cryptsetup_i_ubuntu&amp;diff=289&amp;oldid=prev</id>
		<title>Linuxwiki&gt;Wikiadmin: Skapade sidan med &#039;== Installation ==  &#039;&#039;&#039;apt-get install cryptsetup&#039;&#039;&#039;  == Moduler == Ladda in dessa, t ex genom att lägga dom i /etc/modules  aes-i586  dm_crypt  == Kryptera == Kommandot för...&#039;</title>
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		<updated>2016-09-07T11:01:28Z</updated>

		<summary type="html">&lt;p&gt;Skapade sidan med &amp;#039;== Installation ==  &amp;#039;&amp;#039;&amp;#039;apt-get install cryptsetup&amp;#039;&amp;#039;&amp;#039;  == Moduler == Ladda in dessa, t ex genom att lägga dom i /etc/modules  aes-i586  dm_crypt  == Kryptera == Kommandot för...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Installation ==&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;apt-get install cryptsetup&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
== Moduler ==&lt;br /&gt;
Ladda in dessa, t ex genom att lägga dom i /etc/modules&lt;br /&gt;
 aes-i586&lt;br /&gt;
 dm_crypt&lt;br /&gt;
&lt;br /&gt;
== Kryptera ==&lt;br /&gt;
Kommandot för att cryptera är&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;cryptsetup -y create &amp;lt;namn&amp;gt; &amp;lt;device&amp;gt;&amp;#039;&amp;#039;&amp;#039; (Ange lösenordet på kommandoprompten)&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;cryptsetup -d &amp;lt;keyfile&amp;gt; &amp;lt;namn&amp;gt; &amp;lt;device&amp;gt;&amp;#039;&amp;#039;&amp;#039; (Lösenordet ligger i filen &amp;lt;keyfile&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Exempel på hur /dev/sda5 sätts upp med namnet crypt och lösen finns i filen key.txt&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;cryptsetup -d key.txt create crypt /dev/sda5&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
Efter detta bör man kopiera namnet krypt och dess device till /etc/crypttab&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;echo &amp;quot;crypt /dev/sdc5&amp;quot; &amp;gt;&amp;gt; /etc/crypttab&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
Nu kan man göra vad man vill med det krypterade filsystemet. Hänvisa till /dev/mapper/crypt och inte /dev/sda5. För att formattera:&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;mkfs.xfs /dev/mapper/crypt&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
För att skapa volymgrupp:&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;pvcreate /dev/mapper/crypt&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;vgcreate vg00 /dev/mapper/crypt&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
Vid omstart försvinner som bekant kryptonyckeln. För att åter få tillgång till det krypterade filsystemet får man köra om kommandot:&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;cryptsetup -d key.txt create crypt /dev/sda5&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
Vill man ta bort (dvs &amp;quot;glömma&amp;quot; kryptonyckeln) kör man&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;cryptsetup remove crypt&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
[[Category:luks]]&lt;br /&gt;
[[Category:ubuntu]]&lt;/div&gt;</summary>
		<author><name>Linuxwiki&gt;Wikiadmin</name></author>
	</entry>
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