{"id":207,"date":"2012-08-17T12:21:32","date_gmt":"2012-08-17T12:21:32","guid":{"rendered":"https:\/\/olkn.homelinux.net\/2012\/08\/useful-commands\/"},"modified":"2012-08-17T12:21:32","modified_gmt":"2012-08-17T12:21:32","slug":"useful-commands","status":"publish","type":"post","link":"https:\/\/olkn.myvnc.com\/?p=207","title":{"rendered":"useful commands"},"content":{"rendered":"<p>colorize your dmesg output:<code><br \/>\ndmesg -T|sed -e 's|(^.*'`date +%Y`'])(.*)|x1b[0;34m1x1b[0m - 2|g'<\/code><br \/>\n<br \/>sort files in multiple directories by date:<code><br \/>\nfind .  -type f -exec ls -l --full-time {} + | sort -k 6,7<\/code><br \/>\n<br \/>find files changed between two dates:<code><br \/>\nfind . -cnewer <file a> -and ! -cnewer <file b><\/code><br \/>\n<br \/>remove unused kernels with apt:<code><br \/>\naptitude remove $(dpkg -l|egrep '^ii  linux-(im|he)'|awk '{print $2}'|grep -v `uname -r`)<\/code><br \/>\n<br \/>checking details of a http url you call<code><br \/>\ncurl -iv url<\/code><br \/>\n<br \/>persistant connection to remote server via screen<code><br \/>\ns() { screen -d -RR -m -S \"$1\" -t \"$USER\"@\"$1\" ssh \"$1\"; }<\/code><br \/>\n<br \/>list directories recursevly showing its sizes in human readable form:<code><br \/>\nls -lhR | grep -e \"total|:$\"<\/code><br \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>colorize your dmesg output: dmesg -T|sed -e &#8216;s|(^.*&#8217;`date +%Y`&#8217;])(.*)|x1b[0;34m1x1b[0m &#8211; 2|g&#8217; sort files in multiple directories by date: find . -type f -exec ls -l &#8211;full-time {} + | sort -k 6,7 find files changed between two dates: find . -cnewer -and ! -cnewer remove unused kernels with apt: aptitude remove $(dpkg -l|egrep &#8216;^ii linux-(im|he)&#8217;|awk &hellip; <a href=\"https:\/\/olkn.myvnc.com\/?p=207\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">useful commands<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-207","post","type-post","status-publish","format-standard","hentry","category-sniplets"],"_links":{"self":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=207"}],"version-history":[{"count":0,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions"}],"wp:attachment":[{"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/olkn.myvnc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}