{"id":218,"date":"2012-11-02T15:40:38","date_gmt":"2012-11-02T15:40:38","guid":{"rendered":"http:\/\/blog.kpolberg.net\/?p=218"},"modified":"2012-11-02T21:40:45","modified_gmt":"2012-11-02T21:40:45","slug":"nyttige-verktoy-i-linux-cli","status":"publish","type":"post","link":"https:\/\/blog.kpolberg.net\/?p=218","title":{"rendered":"Nyttige verkt\u00f8y i Linux (cli)"},"content":{"rendered":"<p><strong><a href=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-219\" title=\"Screenshot-root@ln-gbr:~\" src=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-300x190.png\" alt=\"\" width=\"300\" height=\"190\" srcset=\"https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-300x190.png 300w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-1024x649.png 1024w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr.png 1077w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>HTOP\u00a0<\/strong>gir en noe bedre oversikt enn top, men gir stort sett ut samme informasjon. F-knapper for \u00e5 velge for eksempel &#8220;tree-view&#8221;, samt enkel metod for \u00e5 sortere p\u00e5 minne, cpu, swap osv.<\/p>\n<p>Stort sett tilgjengelig i de fleste standard repositories.<\/p>\n<p><strong><a href=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-224\" title=\"Screenshot-root@ln-gbr:~-1\" src=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-1-300x291.png\" alt=\"\" width=\"300\" height=\"291\" srcset=\"https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-1-300x291.png 300w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-1.png 749w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>NMON\u00a0<\/strong>gir deg en enkel &#8220;curses&#8221; basert visning av cpu, disk, kernel, nettverks statistikk. Kjempe nyttig verkt\u00f8y for \u00e5 finne hvilken disk f.eks som henger etter i ett raidsett.<\/p>\n<p>P\u00e5 bilde til venstre har jeg startet lesing av en fil til \/dev\/null, og man ser at det er jevn fordeling av IO. \u00a0Hele viewet kan endres med de statistikkene man er ute etter, slik at man slipper \u00e5 se p\u00e5 masse urelevant informasjon.<\/p>\n<p><strong><a href=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-226\" title=\"Screenshot-root@ln-gbr:~-2\" src=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-2-300x291.png\" alt=\"\" width=\"300\" height=\"291\" srcset=\"https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-2-300x291.png 300w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-2.png 749w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>ATOP<\/strong>\u00a0ligner endel p\u00e5 topas, som man finner p\u00e5 <a href=\"http:\/\/no.wikipedia.org\/wiki\/AIX\">AIX<\/a>. Kjempe nyttig verkt\u00f8y, som til og med peker ut hvilke prosesser, som er busy og som ogs\u00e5 kan liste prosesser basert p\u00e5 minne, disk, nettverk. I bilde til h\u00f8yre kan man se at den korrekt har identifisert at jeg kj\u00f8rer en &#8220;dd&#8221; operasjon, som tar en stor prosentandel av all diskaktivitet.<\/p>\n<p>Kan ogs\u00e5 ogs\u00e5 identifisere hvilken prosess som st\u00e5r for prosentvis andel av nettverkstrafikk. Men for nettverks &#8220;detaljer&#8221;, m\u00e5 det en kernel patch til(vet ikke hva det skulle v\u00e6re for noe).<\/p>\n<p><strong><a href=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-230\" title=\"Screenshot-root@ln-gbr:~-3\" src=\"http:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-3-300x98.png\" alt=\"\" width=\"300\" height=\"98\" srcset=\"https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-3-300x98.png 300w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-3-1024x335.png 1024w, https:\/\/blog.kpolberg.net\/wp-content\/uploads\/2012\/11\/Screenshot-root@ln-gbr-3.png 1397w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>DSTAT<\/strong> er enda ett kjekt verkt\u00f8y, men kan v\u00e6re litt vanskeligere \u00e5 skille tallene ifra hverandre. Men er ogs\u00e5 veldig nyttig i situasjoner hvor man \u00f8nsker \u00e5 finne en eventuell flaskehals i systemet. Har ogs\u00e5 st\u00f8tte for plugins, har foreksempel mulighet til \u00e5 korrelere trafikk p\u00e5 nettkortet mot diskbruk. Programmet retter seg mer inn mot hardware \/ system, og egner seg kanskje ikke like godt til \u00e5 finne eventuelle programmer, som p\u00e5f\u00f8rer stor last osv.<\/p>\n<p>Pluss alle de andre jeg ikke har nevnt.<\/p>\n<ul>\n<li>ethstatus<\/li>\n<li>iptraf<\/li>\n<li>iperf<\/li>\n<li>netstat<\/li>\n<li>ps<\/li>\n<li>mtr<\/li>\n<li>bonnie++<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>HTOP\u00a0gir en noe bedre oversikt enn top, men gir stort sett ut samme informasjon. F-knapper for \u00e5 velge for eksempel &#8220;tree-view&#8221;, samt enkel metod for \u00e5 sortere p\u00e5 minne, cpu, swap osv. Stort sett tilgjengelig i de fleste standard repositories. NMON\u00a0gir deg en enkel &#8220;curses&#8221; basert visning av cpu, disk, kernel, nettverks statistikk. Kjempe nyttig [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,10],"tags":[6,33,8],"class_list":["post-218","post","type-post","status-publish","format-standard","hentry","category-data","category-linux-data","tag-linux","tag-server","tag-ubuntu"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=218"}],"version-history":[{"count":13,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/218\/revisions"}],"predecessor-version":[{"id":236,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=\/wp\/v2\/posts\/218\/revisions\/236"}],"wp:attachment":[{"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kpolberg.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}