{"id":426,"date":"2018-11-24T23:01:28","date_gmt":"2018-11-24T22:01:28","guid":{"rendered":"http:\/\/linuxboxen2.dk\/?p=426"},"modified":"2018-11-24T23:01:28","modified_gmt":"2018-11-24T22:01:28","slug":"df","status":"publish","type":"post","link":"https:\/\/www.linuxboxen.dk\/?p=426","title":{"rendered":"Hemmeligheden ved df"},"content":{"rendered":"<p>df <em>parametre<\/em><\/p>\n<h3>Brug<\/h3>\n<p>Visker plads st\u00f8relse,fri samt brugt plads p\u00e5 diske\/netv\u00e6rk mounted diske.<\/p>\n<h3>Parametre<\/h3>\n<p>-h<\/p>\n<p>&#8211;help help<\/p>\n<h3>Eksempler<\/h3>\n<pre>$ df -h\nFilesystem      Size  Used Avail Use% Mounted on\n\/dev\/sdb1       469G   79G  367G  18% \/\ntmpfs           3,9G   98M  3,8G   3% \/dev\/shm\ntmpfs           5,0M  4,0K  5,0M   1% \/run\/lock\ntmpfs           3,9G     0  3,9G   0% \/sys\/fs\/cgroup\ntmpfs           788M   16K  788M   1% \/run\/user\/121\ntmpfs           788M   40K  788M   1% \/run\/user\/1000<\/pre>\n<p>Her vises hvor meget plads der er brugt samt fri p\u00e5 disken. Her sdb1<\/p>\n<p>Jeg kalder DF, eller disk fri, den misforst\u00e5ede kommando fordi nye Linux-brugere forventer ofte at den fort\u00e6lle st\u00f8rrelser af mapper og filer. Men det g\u00f8r den ikke &#8211; det er for at vise nyttige oplysninger om filsystemet.<\/p>\n<p>N\u00e5r du starter df uden nogen argumenter, det viser df den ledig og brugt plads p\u00e5 alle monterede filsystemer, deres partitioner og monteringspunkter:<\/p>\n<pre><strong>$ df<\/strong> \nFilesystem 1K-blocks Used Available Use% Mounted on \n\/dev\/sdb1       491207576  82124096  384061784  18% \/\ntmpfs             4032652     96976    3935676   3% \/dev\/shm\ntmpfs                5120         4       5116   1% \/run\/lock\ntmpfs             4032652         0    4032652   0% \/sys\/fs\/cgroup\ntmpfs              806528        16     806512   1% \/run\/user\/121\ntmpfs              806528        40     806488   1% \/run\/user\/1000<\/pre>\n<p>Tilf\u00f8j -h switchen for menneske-l\u00e6sbart format, og slippe af med de virtuelle filsystemer, som kun eksisterer i hukommelsen, og n\u00f8jes med at vise partitioner p\u00e5 din harddisk med grep:<\/p>\n<pre>$ df -h |grep ^\/ \n\/dev\/sdb1 28G 19G 8.1G 70% \/ \n\/dev\/sdb3 566G 192G 347G 36% \/home\/carla\/moarstuff \n\/dev\/sda1 1.7T 1.6T 27G 99% \/home\/carla\/storage \n\/dev\/sda2 211G 153G 48G 77% \/home\/carla\/1home\n\n<\/pre>\n<p>df fungerer ikke p\u00e5 individuelle filer eller mapper, men kun filsystemer. Hvis du giver det en fil eller mappe navn som et argument, det giver oplysninger til filsystemet filen er p\u00e5.<\/p>\n<pre>$ df -h \/var Filesystem Size Used Avail Use% Mounted on \/dev\/sdb1 28G 19G 8.1G 70% \n<\/pre>\n<p>Du kan se specifikke filsystemtyper med grep.<\/p>\n<pre>$ df -ht btrfs \/dev\/sda1 btrfs 1.7T 1.6T 27G 99% \/home\/carla\/storage\n<\/pre>\n<p>Du kan jo lave en | grep efter d\u00edn df komando. For at se hvordan du bruger grep skriver du<\/p>\n<pre>$ man grep<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>df parametre Brug Visker plads st\u00f8relse,fri samt brugt plads p\u00e5 diske\/netv\u00e6rk mounted diske. Parametre -h &#8211;help help Eksempler $ df -h Filesystem Size Used Avail Use% Mounted on \/dev\/sdb1 469G 79G 367G 18% \/ tmpfs 3,9G 98M 3,8G 3% \/dev\/shm tmpfs 5,0M 4,0K 5,0M 1% \/run\/lock tmpfs 3,9G 0 3,9G 0% \/sys\/fs\/cgroup tmpfs 788M 16K [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[2,6],"tags":[],"class_list":["post-426","post","type-post","status-publish","format-standard","hentry","category-tips","category-danskshell"],"a3_pvc":{"activated":false,"total_views":0,"today_views":0},"_links":{"self":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts\/426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=426"}],"version-history":[{"count":0,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts\/426\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}