{"id":11,"date":"2011-04-07T16:46:17","date_gmt":"2011-04-07T14:46:17","guid":{"rendered":"http:\/\/www.tenzione.it\/?p=11"},"modified":"2011-04-07T16:47:33","modified_gmt":"2011-04-07T14:47:33","slug":"repost-tra-quelle-cose-che-ti-dimentichi-sempre","status":"publish","type":"post","link":"https:\/\/www.tenzione.it\/?p=11","title":{"rendered":"[repost] Tra quelle cose che ti dimentichi sempre"},"content":{"rendered":"<p>C&#8217;\u00e8 sistematicamente questa: espandere la visualizzazione dell&#8217;output in console quando hai degli output peculiari. Un esempio che vale mille parole, \u00e8 l&#8217;output di dpkg:<br \/>\n<code><br \/>\nmizio@gate:~$ dpkg -l |grep apache<br \/>\nii\u00a0 apache\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.3.33-6sarge3 versatile, high-performance HTTP server<br \/>\nii\u00a0 apache-common\u00a0 1.3.33-6sarge3 support files for all Apache webservers<br \/>\nii\u00a0 apache2-utils\u00a0 2.0.54-5sarge1 utility programs for webservers<br \/>\nii\u00a0 libapache-mod- 4.3.10-16\u00a0\u00a0\u00a0\u00a0\u00a0 server-side, HTML-embedded scripting languag<br \/>\nmizio@gate:~$<br \/>\n<\/code><br \/>\nQuesto output \u00e8 scomodissimo, perch\u00e9 non fa vedere il nome completo del pacchetto, laddove questo sia lungo.<\/p>\n<p>Tutte le volte, mi scordo come si <em>allarga<\/em>, tutte le volte ricerco in man bash, google, ecc.<br \/>\nProvo a scriverlo qui, a vedere se mi rimane in testa. Bisogna usare la variabile <strong>COLUMNS<\/strong> che permette di impostare il numero di caratteri per la colonna della console:<br \/>\n<code><br \/>\nmizio@gate:~$ COLUMNS=132 dpkg -l |grep apache<br \/>\nii\u00a0 apache\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.3.33-6sarge3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 versatile, high-performance HTTP server<br \/>\nii\u00a0 apache-common\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.3.33-6sarge3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 support files for all Apache webservers<br \/>\nii\u00a0 apache2-utils\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.0.54-5sarge1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 utility programs for webservers<br \/>\nii\u00a0 libapache-mod-php4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.3.10-16\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 server-side, HTML-embedded scripting language (apache 1.3 module)<br \/>\nmizio@gate:~$<br \/>\n<\/code><br \/>\n(in console, l&#8217;output va a capo&#8230;). Meno bello da vedere che il wrapping a 80, ma pi\u00f9 efficace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C&#8217;\u00e8 sistematicamente questa: espandere la visualizzazione dell&#8217;output in console quando hai degli output peculiari. Un esempio che vale mille parole, \u00e8 l&#8217;output di dpkg: mizio@gate:~$ dpkg -l |grep apache ii\u00a0 apache\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.3.33-6sarge3 versatile, high-performance HTTP server ii\u00a0 apache-common\u00a0 1.3.33-6sarge3 support files for all Apache webservers ii\u00a0 apache2-utils\u00a0 2.0.54-5sarge1 utility programs for webservers ii\u00a0 libapache-mod- 4.3.10-16\u00a0\u00a0\u00a0\u00a0\u00a0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,12],"tags":[23,21,20,22,16],"class_list":["post-11","post","type-post","status-publish","format-standard","hentry","category-tensioni","category-ti-ricordi","tag-console","tag-debian","tag-tips","tag-ubuntu","tag-vecchi-post"],"_links":{"self":[{"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/posts\/11","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11"}],"version-history":[{"count":2,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/posts\/11\/revisions"}],"predecessor-version":[{"id":13,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=\/wp\/v2\/posts\/11\/revisions\/13"}],"wp:attachment":[{"href":"https:\/\/www.tenzione.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tenzione.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}