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  <title>Blog de Shire - Tag - -dev-null</title>
  <link>http://blog.cyber-developpement.com/</link>
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  <description></description>
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  <pubDate>Fri, 03 Feb 2012 10:40:45 +0100</pubDate>
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    <title>/dev/null (bash: /dev/null: Permission non accordée)</title>
    <link>http://blog.cyber-developpement.com/post/2010/01/01/dev/null-bash%3A-/dev/null%3A-Permission-non-accordee</link>
    <guid isPermaLink="false">urn:md5:bc39fffc3bcc1b350168831a9353fe6a</guid>
    <pubDate>Fri, 01 Jan 2010 19:05:00 +0100</pubDate>
    <dc:creator>Shire</dc:creator>
        <category>Mémo</category>
        <category>-dev-null</category><category>erreur</category><category>linux</category>    
    <description>    &lt;p&gt;&lt;strong&gt;Problème:&lt;/strong&gt; /dev/null (bash: /dev/null: Permission non accordée)&lt;/p&gt;

&lt;pre&gt;
# ls -ln /dev/null
-rw-r--r-- 1 0 0 0 2008-03-06 15:00 /dev/null
&lt;/pre&gt;


&lt;h2&gt;Test&lt;/h2&gt;

&lt;pre&gt;
# sudo echo hello &amp;gt; /dev/null
# cat /dev/null
&lt;/pre&gt;


&lt;p&gt;Doit affiche Hello et non /dev/null (bash: /dev/null: Permission non accordée)&lt;/p&gt;



&lt;h2&gt;Correction&lt;/h2&gt;


&lt;p&gt;Il faut supprimer le fichier et le recréer en tant que root&lt;/p&gt;

&lt;pre&gt;
# cd /dev/
# rm null
# mknod null c 2 2
# chmod 666 null
&lt;/pre&gt;


&lt;h2&gt;Vérification&lt;/h2&gt;

&lt;pre&gt;
# ls -ln /dev/null
crw-rw-rw- 1 0 0 1, 2 2008-03-06 15:08 /dev/null
&lt;/pre&gt;</description>
    
    
    
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