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 <title>Grigio.org - un blog critico su Linux Ubuntu, Tecnologia  e altro - </title>
 <link>http://grigio.org</link>
 <description />
 <language>it</language>
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 <title>Impressioni su OpenShift, il Cloud Open Source e LiveCD</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/bHH83sJXbo4/impressioni_openshift_il_cloud_open_source_e_livecd</link>
 <description>&lt;p&gt;Il Cloud Computing &amp;egrave; una buzz word utilizzata per intendere diverse tecnologie virtualizzate a diversi livelli. &lt;a href="../../tag/ubuntu"&gt;Ubuntu&lt;/a&gt; ha &lt;a href="https://help.ubuntu.com/community/UbuntuCloudInfrastructure  "&gt;Eucalyptus/OpenStack&lt;/a&gt;, Redhat/Fedora ha Openshift, poi ci sono servizi di hosting come Amazon EC2 ed &lt;a href="../../tag/heroku"&gt;Heroku&lt;/a&gt;.. ma procediamo con ordine.&lt;/p&gt;
&lt;p&gt;&lt;img src="../../files/openshift-cloud.png" border="0" width="698" height="435" /&gt;&lt;/p&gt;
&lt;h3&gt;Introduzione ai tipi di "Cloud"&lt;/h3&gt;
&lt;p&gt;Si intendono diverse tipologie di sofware o piattaforme remote, con granularit&amp;agrave; differente che forniscono dei servizi, le 3 grandi famiglie sono:&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/impressioni_openshift_il_cloud_open_source_e_livecd"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/Disn5xYl3rJtQNDdIqQEEdA0lTw/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/Disn5xYl3rJtQNDdIqQEEdA0lTw/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
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&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/bHH83sJXbo4" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/impressioni_openshift_il_cloud_open_source_e_livecd#comments</comments>
 <category domain="http://grigio.org/tag/cloud_computing">cloud computing</category>
 <category domain="http://grigio.org/tag/hosting">hosting</category>
 <category domain="http://grigio.org/tag/linux">linux</category>
 <category domain="http://grigio.org/tag/openshift">openshift</category>
 <category domain="http://grigio.org/tag/programmazione">programmazione</category>
 <pubDate>Sun, 20 May 2012 13:56:28 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">725 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/impressioni_openshift_il_cloud_open_source_e_livecd</feedburner:origLink></item>
<item>
 <title>Apps4italy verso la conclusione, tutti i partecipanti, idee e apps</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/g1-2fffJzs0/apps4italy_verso_conclusione_tutti_partecipanti_idee_e_apps</link>
 <description>&lt;p&gt;Il contest &lt;a href="http://www.appsforitaly.org/partecipanti/"&gt;apps4italy&lt;/a&gt; ha contribuito e contribuir&amp;agrave; a far conoscere e apprezzare l'importanza degli &lt;a href="../../tag/opendata"&gt;opendata&lt;/a&gt; in Italia.&lt;/p&gt;
&lt;p&gt;&lt;img src="../../files/OpenGovData.png" border="0" width="500" height="375" /&gt;&lt;/p&gt;
&lt;p&gt;I numeri dovrebbero essere definitivi: &lt;strong&gt;77 Applicazioni&lt;/strong&gt;, &lt;strong&gt;8 Dataset&lt;/strong&gt;, &lt;strong&gt;87 Idee&lt;/strong&gt; e &lt;strong&gt;16 Visualizzazioni&lt;/strong&gt;, il dato che qui salta all'occhio &amp;egrave; quanti pochi siano stati i dataset candidati rispetto i 5 finalisti della categoria dataset e questo &amp;egrave; anche il vero problema della trasparenza in Italia, pochi dati rilasciati che si traducono in sprechi, inefficienze e poca consapevolezza. Attraverso la &lt;strong&gt;Spending Review&lt;/strong&gt;, il governo tecnico prova ad avere un &lt;a href="http://www.governo.it/GovernoInforma/spending_review/index.html"&gt;filo diretto con i cittadini&lt;/a&gt;, ma si tratta di puro marketing o un'operazione mediatica se questo non si traduce in un approccio sistematico agli opendata e non &lt;a href="http://www.techeconomy.it/2012/04/26/5-motivi-per-non-fare-open-data/  "&gt;solo un loro suggerimento&lt;/a&gt;.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/apps4italy_verso_conclusione_tutti_partecipanti_idee_e_apps"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/ZhZGdeJ4UO5NnZ6eDHFUQmB9C8s/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/ZhZGdeJ4UO5NnZ6eDHFUQmB9C8s/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href="http://feedads.g.doubleclick.net/~a/ZhZGdeJ4UO5NnZ6eDHFUQmB9C8s/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/ZhZGdeJ4UO5NnZ6eDHFUQmB9C8s/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="feedflare"&gt;
&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=g1-2fffJzs0:SBCpE3In-_Q:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=g1-2fffJzs0:SBCpE3In-_Q:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=g1-2fffJzs0:SBCpE3In-_Q:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=g1-2fffJzs0:SBCpE3In-_Q:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=g1-2fffJzs0:SBCpE3In-_Q:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=g1-2fffJzs0:SBCpE3In-_Q:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=g1-2fffJzs0:SBCpE3In-_Q:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/g1-2fffJzs0" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/apps4italy_verso_conclusione_tutti_partecipanti_idee_e_apps#comments</comments>
 <category domain="http://grigio.org/tag/apps4italy">apps4italy</category>
 <category domain="http://grigio.org/tag/open_government">open government</category>
 <pubDate>Sat, 12 May 2012 05:04:20 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">724 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/apps4italy_verso_conclusione_tutti_partecipanti_idee_e_apps</feedburner:origLink></item>
<item>
 <title>I &lt;3 Coffescript</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/3k0VJPEJDj4/3_coffescript</link>
 <description>&lt;p&gt;Per anni ho giudicato la sintassi di &lt;a href="../../tag/ruby"&gt;ruby&lt;/a&gt; "la mia sintassi", &lt;strong&gt;concisa&lt;/strong&gt;, &lt;strong&gt;potente&lt;/strong&gt;, &lt;strong&gt;semplice&lt;/strong&gt; e al tempo stesso ho sempre giudicato javascript un male necessario. La gran parte del javascript scritto nelle pagine web &amp;egrave; un accrocchio, &amp;egrave; difficile da leggere e strutturato male.&lt;/p&gt;
&lt;p&gt;Tuttavia la programmazione (web) sta tornando sempre pi&amp;ugrave; lato client, quindi javascript lo standard de-facto della programmazione web lato client non pu&amp;ograve; essere ignorato da qualsiasi programmatore lato server, PHP, Ruby, Python, Java che sia.&lt;/p&gt;
&lt;p&gt;Dunque, bisogna arrendersi?&lt;br /&gt;No&lt;/p&gt;
&lt;h3&gt;Cos'&amp;egrave; Coffeescript&lt;/h3&gt;
&lt;p&gt;In passato alcuni hanno provato a convertire tipo Ruby in Javascript, ma vista la diversit&amp;agrave; dei linguaggi, questi progetti non sono mai stati usati in progetti reali, per fortuna Jeremy Ashkenas ha trovato un modo per farci digerire il male minore: Coffeescript.&lt;/p&gt;
&lt;p&gt;Coffescript &amp;egrave; un compilatore scritto in Coffeescript (la prima versione era in Ruby) che permette di transcompilare o "tradurre" del "javascript leggibile e coinciso" in Javascript. Questa compilazione pu&amp;ograve; avvenire lato client nel browser (solo per test) o lato server, tramite V8.&lt;br /&gt;Tutte le librerie scritte in javascript (es. jQuery) possono essere richiamate da Coffeescript e il file javascript ottenuto &amp;egrave; javascript quindi non cambia nulla lato browser web.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/3_coffescript"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/-IZUZgsZnpadYPa4EqRFkUobusM/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/-IZUZgsZnpadYPa4EqRFkUobusM/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
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&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/3k0VJPEJDj4" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/3_coffescript#comments</comments>
 <category domain="http://grigio.org/tag/coffeescript">coffeescript</category>
 <category domain="http://grigio.org/tag/programmazione">programmazione</category>
 <pubDate>Mon, 07 May 2012 10:16:46 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">723 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/3_coffescript</feedburner:origLink></item>
<item>
 <title>La crisi, i guru e le troppe offerte di lavoro</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/FbyJ2ArOhLk/crisi_guru_e_troppe_offerte_lavoro</link>
 <description>&lt;p&gt;Si parla in continuazione di crisi e mancanza di lavoro, ma come in tutte le &lt;a href="http://ansamed.ansa.it/ansamed/it/notizie/rubriche/economia/2012/05/02/Ue-Disoccupazione-record-Eurozona-10-9-Spagna-top_6803247.html"&gt;statistiche&lt;/a&gt; ci sono sempre delle nicchie in controtendenza.&lt;/p&gt;
&lt;p&gt;&lt;img src="http://farm8.staticflickr.com/7087/7129658497_6831d390f4_z.jpg" border="0" width="640" height="374" /&gt;&lt;/p&gt;
&lt;p&gt;Il linguaggio di programmazione ruby e il framework rails, dopo essere diventati la &lt;a href="https://github.com/languages"&gt;tecnologia chiave&lt;/a&gt; in altre parti del mondo, stanno avendo un forte incremento di domanda anche in Italia, ma paradossalmente molti project manager italiani non riescono a trovare abbastanza programmatori.&lt;/p&gt;
&lt;p&gt;Seguendo la mailing list di Ruby italia &lt;strong&gt;ogni settimana ci sono 2 o 3 annunci di lavoro&lt;/strong&gt;, ma questi spesso vengono ignorati e qualcuno si lamenta di questa carenza, ma &amp;egrave; proprio cos&amp;igrave;?&lt;br /&gt;In &lt;a href="http://www.ruby-forum.com/topic/4086976"&gt;questo thread&lt;/a&gt; ci sono spunti interessanti sulla questione, ma emerge anche il fatto che &lt;strong&gt;le condizioni di lavoro in Italia sono piuttosto deprimenti&lt;/strong&gt;, basta vedere certi annunci di lavoro, quindi non &amp;egrave; raro che molti bravi programmatori ruby italiani preferiscano lavorare in remoto per clienti esteri oppure emigrare.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/crisi_guru_e_troppe_offerte_lavoro"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
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&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=FbyJ2ArOhLk:41lS93zL4LY:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=FbyJ2ArOhLk:41lS93zL4LY:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=FbyJ2ArOhLk:41lS93zL4LY:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=FbyJ2ArOhLk:41lS93zL4LY:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=FbyJ2ArOhLk:41lS93zL4LY:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=FbyJ2ArOhLk:41lS93zL4LY:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=FbyJ2ArOhLk:41lS93zL4LY:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/FbyJ2ArOhLk" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/crisi_guru_e_troppe_offerte_lavoro#comments</comments>
 <category domain="http://grigio.org/tag/lavoro">lavoro</category>
 <category domain="http://grigio.org/tag/programmazione">programmazione</category>
 <category domain="http://grigio.org/tag/web2_0">web2.0</category>
 <pubDate>Thu, 03 May 2012 16:36:28 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">722 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/crisi_guru_e_troppe_offerte_lavoro</feedburner:origLink></item>
<item>
 <title>Rails 3.2 Engines with CSS injection</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/ooiXcTu8dQ8/rails_3_2_engines_css_injection</link>
 <description>&lt;p&gt;The Ruby on Rails framework has a lot of benefits but not an &lt;strong&gt;easy component reuse among different projects&lt;/strong&gt;.&lt;/p&gt;
&lt;p&gt;The Rails Engines are becoming more and more popular to organize the code, but are usually used to share applications with a full layout and &lt;strong&gt;not just features you can embed easly in your current application&lt;/strong&gt;, like navigation bar, pages, contact form,..&lt;/p&gt;
&lt;p&gt;With Rails 3.2 and a smart structure is possible to mantain different engines in different applications in parallel, the unique problem seems that Coffeescript and &lt;a href="../../tag/sass"&gt;sCSS&lt;/a&gt; are not supported in assets pipeline.&lt;/p&gt;
&lt;p&gt;In the &lt;a href="http://edgeguides.rubyonrails.org/engines.html"&gt;egde guides&lt;/a&gt; there is a quite in deep Engines usage analisys, but a missing feature for me was that &lt;strong&gt;main_app layout isn't inherited by engine controller layout&amp;nbsp;&lt;/strong&gt;out of the box.&lt;br /&gt;An hacky but working way to extend the common layout in the engine is to hook it in the main_app &lt;em&gt;application.html.erb&lt;/em&gt;&lt;/p&gt;
&lt;pre&gt;&amp;lt;%= stylesheet_link_tag &amp;nbsp; &amp;nbsp;request.env["action_dispatch.routes"].routes.routes[0].defaults[:controller], :media =&amp;gt; "all" %&amp;gt;&lt;/pre&gt;&lt;p&gt;So finally You can override the background of you preferred engine sets in the main_app and ( and maintain) in a painless way a moltitude of webapps with different styles and data but a common feature set.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/rails_3_2_engines_css_injection"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
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&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=ooiXcTu8dQ8:5tB3sD70ETs:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=ooiXcTu8dQ8:5tB3sD70ETs:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=ooiXcTu8dQ8:5tB3sD70ETs:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=ooiXcTu8dQ8:5tB3sD70ETs:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=ooiXcTu8dQ8:5tB3sD70ETs:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=ooiXcTu8dQ8:5tB3sD70ETs:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=ooiXcTu8dQ8:5tB3sD70ETs:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/ooiXcTu8dQ8" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/rails_3_2_engines_css_injection#comments</comments>
 <category domain="http://grigio.org/tag/hack">hack</category>
 <category domain="http://grigio.org/tag/programmazione">programmazione</category>
 <category domain="http://grigio.org/tag/rails">rails</category>
 <pubDate>Mon, 09 Apr 2012 08:56:57 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">721 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/rails_3_2_engines_css_injection</feedburner:origLink></item>
<item>
 <title>Debug di una stampante laser su Ubuntu che stampa male le sfumature</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/gLxaiqJoHxs/debug_una_stampante_laser_ubuntu_che_stampa_male_sfumature</link>
 <description>&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://cups.org/"&gt;CUPS&lt;/a&gt; &amp;egrave; il software opensource che su &lt;a href="../../tag/linux"&gt;GNU/Linux&lt;/a&gt; e &lt;a href="../../tag/mac"&gt;Mac&lt;/a&gt; gestisce le stampanti e ci permette di stampare. Normalmente la stampante viene riconosciuta e gestita da un driver *.PPD, ma in alcuni casi la qualit&amp;agrave; di stampa pu&amp;ograve; non essere soddisfacente oppure vogliamo &lt;strong&gt;comparare diversi driver&lt;/strong&gt; tra loro, che fare?&lt;/p&gt;
&lt;p&gt;L&amp;rsquo;interfaccia grafica del desktop environment ci permette di fare un po&amp;rsquo; di prove di stampa, ma personalmente &amp;egrave; un immenso spreco di colore e la sua utilit&amp;agrave; &amp;egrave; piuttosto scarsa visto che nella &lt;strong&gt;pagina di test non &amp;egrave; presente neanche il nome del driver utilizzato&lt;/strong&gt;.&lt;/p&gt;
&lt;h2&gt;La pagina di test di CUPS.&lt;/h2&gt;
&lt;p&gt;&lt;img src="http://1.bp.blogspot.com/-s1lLQHSmNJI/T3CUcP9yEOI/AAAAAAAADrY/PIacX6iaU3s/s1600/Selection_002.jpeg" border="0" width="499" height="598" /&gt;&lt;/p&gt;
&lt;p&gt;Pagina di test di CUPS, essenziale, spreca poco colore e permette di vedere quale driver di stampa si sta effettivamente usando per eventualmente fare delle comparazioni.&lt;/p&gt;
&lt;p&gt;Per provare la qualit&amp;agrave; di stampa la via migliore &amp;egrave; accedere all&amp;rsquo;&lt;strong&gt;interfaccia web&amp;nbsp;di CUPS&lt;/strong&gt;&amp;nbsp;su &lt;a href="http://localhost:631"&gt;http://localhost:631&lt;/a&gt; e selezionare &lt;strong&gt;Printers&lt;/strong&gt; &amp;gt; &lt;strong&gt;*MiaStampante*&lt;/strong&gt; &amp;gt; &lt;strong&gt;Print Test Page&lt;/strong&gt;.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/debug_una_stampante_laser_ubuntu_che_stampa_male_sfumature"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/3__z4bMBnXOQbJcFUT8MwiU4E_8/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/3__z4bMBnXOQbJcFUT8MwiU4E_8/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href="http://feedads.g.doubleclick.net/~a/3__z4bMBnXOQbJcFUT8MwiU4E_8/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/3__z4bMBnXOQbJcFUT8MwiU4E_8/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="feedflare"&gt;
&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=gLxaiqJoHxs:qdVvHpKzwGA:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=gLxaiqJoHxs:qdVvHpKzwGA:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=gLxaiqJoHxs:qdVvHpKzwGA:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=gLxaiqJoHxs:qdVvHpKzwGA:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=gLxaiqJoHxs:qdVvHpKzwGA:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=gLxaiqJoHxs:qdVvHpKzwGA:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=gLxaiqJoHxs:qdVvHpKzwGA:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/gLxaiqJoHxs" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/debug_una_stampante_laser_ubuntu_che_stampa_male_sfumature#comments</comments>
 <category domain="http://grigio.org/tag/cups">cups</category>
 <category domain="http://grigio.org/tag/problemi">problemi</category>
 <category domain="http://grigio.org/tag/stampante">stampante</category>
 <category domain="http://grigio.org/tag/stampante_laser">stampante laser</category>
 <category domain="http://grigio.org/tag/ubuntu">ubuntu</category>
 <pubDate>Thu, 05 Apr 2012 09:59:49 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">720 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/debug_una_stampante_laser_ubuntu_che_stampa_male_sfumature</feedburner:origLink></item>
<item>
 <title>Dispositivi elettronici e risparmio energetico</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/XQYEnOTZPvY/dispositivi_elettronici_e_risparmio_energetico</link>
 <description>&lt;p&gt;Se dovessimo percorrere 50km non ci meraviglieremmo che il consumo di carburante potrebbe essere diverso a seconda se usassimo un motorino, un auto o un tir.&lt;/p&gt;
&lt;p&gt;&lt;img src="http://consumatorecritico.grigio.org/files/misuratore-corrente.jpg" border="0" width="550" height="366" /&gt;&lt;/p&gt;
&lt;p&gt;Nel caso dei computer il discorso &amp;egrave; meno evidente ad occhio nudo, ma si applica allo stesso modo e come dicono gli inglesi "one size doesn't fit all", quindi con l'aumentare delle apparecchiature tecnologiche &amp;egrave; normale anche chiedersi &lt;strong&gt;quanto del loro consumo energetico &amp;egrave; utilizzato per eseguire il compito che gli assegnamo per e quanto &amp;egrave; il consumo solo per tenerle accese al minimo&lt;/strong&gt;.&lt;/p&gt;
&lt;p&gt;Dal punto di vista ambientalista/ecologista/sostenibilit&amp;agrave; &amp;egrave; meglio cambiare computer per prenderne uno pi&amp;ugrave; nuovo ed efficiente o aggiornare quello vecchio cos&amp;igrave; da non produrre nuovi rifiuti?&lt;br /&gt;La risposta &amp;egrave; dipende e sostanzialmente varia dall'attivit&amp;agrave; che deve svolgere e se si tratta di un'attivit&amp;agrave; occasionale o che sar&amp;agrave; sistematicamente necessaria nel tempo.&lt;/p&gt;
&lt;p&gt;Senza per perdersi in calcoli e ottimizzazioni impossibili da generalizzare vi lascio con una tabellina che io stesso ho misurato su alcune apparecchiature d'uso comune.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/dispositivi_elettronici_e_risparmio_energetico"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/-koAbtI2a2TG6oCIiAvRYGUGXAE/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/-koAbtI2a2TG6oCIiAvRYGUGXAE/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href="http://feedads.g.doubleclick.net/~a/-koAbtI2a2TG6oCIiAvRYGUGXAE/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/-koAbtI2a2TG6oCIiAvRYGUGXAE/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="feedflare"&gt;
&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=XQYEnOTZPvY:3irI_3vi4Zo:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=XQYEnOTZPvY:3irI_3vi4Zo:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=XQYEnOTZPvY:3irI_3vi4Zo:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=XQYEnOTZPvY:3irI_3vi4Zo:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=XQYEnOTZPvY:3irI_3vi4Zo:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=XQYEnOTZPvY:3irI_3vi4Zo:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=XQYEnOTZPvY:3irI_3vi4Zo:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/XQYEnOTZPvY" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/dispositivi_elettronici_e_risparmio_energetico#comments</comments>
 <category domain="http://grigio.org/tag/tecnologia">tecnologia</category>
 <pubDate>Sun, 25 Mar 2012 10:42:56 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">718 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/dispositivi_elettronici_e_risparmio_energetico</feedburner:origLink></item>
<item>
 <title>Ubuntu GNU/Linux per molti ma non (ancora) per tutti</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/lptZcBEM3E0/ubuntu_gnu_linux_molti_ma_non_ancora_tutti</link>
 <description>&lt;p&gt;&lt;a href="../../tag/ubuntu"&gt;Ubuntu&lt;/a&gt; ha avuto il pregio di prendere diversi software liberi e open source e di confezionarli in qualcosa che non fosse semplicemente in una accozzaglia di software casuale inusabile da tua mamma.&lt;/p&gt;
&lt;p&gt;Tuttavia il mondo non sta fermo e che piaccia o no il nuovo "sistema operativo" si sta spostando sempre di pi&amp;ugrave; verso il &lt;a href="../../tag/chrome"&gt;browser web&lt;/a&gt;.&lt;br /&gt;In questo spostamento Linux potrebbe anche esserne avvantaggiato, ma in realt&amp;agrave; ci sono ancora tanti (troppi) segnali contradittori.&lt;/p&gt;
&lt;h4&gt;PC vecchi bye bye&lt;/h4&gt;
&lt;p&gt;Linux &amp;egrave; spesso proposto come sistema operativo di recupero (&lt;a href="http://www.informaticalibera.info/index.php?option=com_content&amp;amp;view=article&amp;amp;id=48&amp;amp;Itemid=28"&gt;OIL&lt;/a&gt;) e la cosa &amp;egrave; tecnicamente, economicamente ed ambientalmente apprezzabile, quello che &amp;egrave; meno accettabile ed entusiasmante &amp;egrave; che gli aggiornamenti sono quasi sempre una roulette russa.&lt;br /&gt;Vi cito un esempio concreto di bestemmioni e cristoni che potrebbe avere un utente normale a &lt;strong&gt;passare da Ubuntu 10.04 LTS a Ubuntu 12.04 LTS&lt;/strong&gt; (parlo di Ubuntu, ma lo stesso succederebbe con un'altra distro GNU/Linux).&lt;br /&gt;Immaginiamo senza troppa fantasia un PC fatto cos&amp;igrave;:&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;CPU 1,7Ghz 2gb ram&lt;/li&gt;
&lt;li&gt;GPU nvidia MX4000 GeForce4&lt;/li&gt;
&lt;li&gt;Scanner Trust X1100&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;Con l'aggiornamento alla nuova versione "stabile a lungo periodo" incontreremo almeno questi bug bloccanti(regressioni):&lt;/p&gt;
&lt;p&gt;&lt;a href="http://grigio.org/ubuntu_gnu_linux_molti_ma_non_ancora_tutti"&gt;leggi tutto&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/UOP4FvslWoX8yLefKBfhbT9quPw/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/UOP4FvslWoX8yLefKBfhbT9quPw/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href="http://feedads.g.doubleclick.net/~a/UOP4FvslWoX8yLefKBfhbT9quPw/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/UOP4FvslWoX8yLefKBfhbT9quPw/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="feedflare"&gt;
&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=lptZcBEM3E0:3WnPhth1rtw:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=lptZcBEM3E0:3WnPhth1rtw:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=lptZcBEM3E0:3WnPhth1rtw:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=lptZcBEM3E0:3WnPhth1rtw:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=lptZcBEM3E0:3WnPhth1rtw:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=lptZcBEM3E0:3WnPhth1rtw:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=lptZcBEM3E0:3WnPhth1rtw:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/lptZcBEM3E0" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/ubuntu_gnu_linux_molti_ma_non_ancora_tutti#comments</comments>
 <category domain="http://grigio.org/tag/linux">linux</category>
 <category domain="http://grigio.org/tag/linux_day">linux day</category>
 <category domain="http://grigio.org/tag/problemi">problemi</category>
 <pubDate>Wed, 14 Mar 2012 10:08:21 -0700</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">717 at http://grigio.org</guid>
<feedburner:origLink>http://grigio.org/ubuntu_gnu_linux_molti_ma_non_ancora_tutti</feedburner:origLink></item>
<item>
 <title>Open Geek Meeting, un incontro sulle tecnologie Open organizzato da tecnici per tecnici  </title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/nn3ruJX5Jxo/open_geek_meeting_un_incontro_sulle_tecnologie_open_organizzato_tecnici_tecnici</link>
 <description>&lt;p&gt;L'interesse verso le tecnologie libere e open source &amp;egrave; sempre pi&amp;ugrave; ampio fino a raggiungere ambiti che non sono neanche pi&amp;ugrave; software, come &lt;a href="../../tag/opendata"&gt;Open Data&lt;/a&gt; e Open Hardware.&lt;/p&gt;
&lt;p&gt;Prendendo come spunto la mia realt&amp;agrave; locale, Torino, in questi anni ho partecipato con entusiamo a moltissime manifestazioni e associazioni riguardanti queste tematiche, quindi credo sia arrivato il momento di fare ancora un passo oltre.&lt;/p&gt;
&lt;h3&gt;Open Geek Meeting&lt;/h3&gt;
&lt;p&gt;&lt;img src="https://p.twimg.com/AnNy1uMCAAADv1T.png" border="0" /&gt;&lt;/p&gt;
&lt;p&gt;Non si tratta di un contenitore di associazioni, * User Group o altro, ma di uno spazio libero dedicato a tutti coloro che vogliono condividere il proprio sapere e a coloro che vogliono confrontarsi o imparare dalle esperienze di altri.&lt;/p&gt;
&lt;p&gt;Quindi se sei di Torino e ti interessi di vari aspetti pratici riguardanti le tecnologie libere e open source &lt;strong&gt;sei ufficialmente invitato a partecipare come relatore o come votante&lt;/strong&gt;! Vai subito al &lt;a href="http://ogm.herokuapp.com/?gb"&gt;sito web di OGM&lt;/a&gt;!&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://feedads.g.doubleclick.net/~a/rRiFzNgAwOxscSNUU9IX8isMmc4/0/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/rRiFzNgAwOxscSNUU9IX8isMmc4/0/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href="http://feedads.g.doubleclick.net/~a/rRiFzNgAwOxscSNUU9IX8isMmc4/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/rRiFzNgAwOxscSNUU9IX8isMmc4/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="feedflare"&gt;
&lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=nn3ruJX5Jxo:qI1xcJnkBA0:dnMXMwOfBR0"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?d=dnMXMwOfBR0" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=nn3ruJX5Jxo:qI1xcJnkBA0:F7zBnMyn0Lo"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=nn3ruJX5Jxo:qI1xcJnkBA0:F7zBnMyn0Lo" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=nn3ruJX5Jxo:qI1xcJnkBA0:V_sGLiPBpWU"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=nn3ruJX5Jxo:qI1xcJnkBA0:V_sGLiPBpWU" border="0"&gt;&lt;/img&gt;&lt;/a&gt; &lt;a href="http://feeds.feedburner.com/~ff/Grigio?a=nn3ruJX5Jxo:qI1xcJnkBA0:gIN9vFwOqvQ"&gt;&lt;img src="http://feeds.feedburner.com/~ff/Grigio?i=nn3ruJX5Jxo:qI1xcJnkBA0:gIN9vFwOqvQ" border="0"&gt;&lt;/img&gt;&lt;/a&gt;
&lt;/div&gt;&lt;img src="http://feeds.feedburner.com/~r/Grigio/~4/nn3ruJX5Jxo" height="1" width="1"/&gt;</description>
 <comments>http://grigio.org/open_geek_meeting_un_incontro_sulle_tecnologie_open_organizzato_tecnici_tecnici#comments</comments>
 <category domain="http://grigio.org/tag/open_government">open government</category>
 <category domain="http://grigio.org/tag/open_source">open source</category>
 <category domain="http://grigio.org/tag/torino">torino</category>
 <pubDate>Tue, 06 Mar 2012 11:03:04 -0800</pubDate>
 <dc:creator>grigio</dc:creator>
 <guid isPermaLink="FALSE">716 at http://grigio.org</guid>
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<item>
 <title>Differenza di prezzo del netbook Asus 1015px con e senza Windows</title>
 <link>http://feedproxy.google.com/~r/Grigio/~3/q_d5f7gXSH8/differenza_prezzo_del_netbook_asus_1015px_e_senza_windows</link>
 <description>&lt;p&gt;Sembra proprio che ci sia una seconda ondata di Linux sui &lt;a href="../../tag/netbook"&gt;netbook&lt;/a&gt;&amp;nbsp;e chi dobbiamo ringraziare &amp;egrave; Asus e Ubuntu/Canonical.&lt;/p&gt;
&lt;p&gt;&lt;img src="../../files/eeepc-win-ubuntu.jpg" border="0" width="550" height="329" /&gt;&lt;/p&gt;
&lt;p&gt;In questi giorni negozi come &lt;strong&gt;Carrefour&lt;/strong&gt;, &lt;strong&gt;Fnac&lt;/strong&gt; e &lt;strong&gt;Mediaworld&lt;/strong&gt; hanno in vendita almeno un netbook con Ubuntu. Nel caso di Mediaworld si pu&amp;ograve; addirittura acquistare lo stesso modello di netbook (1015PX) con o senza Windows.&lt;/p&gt;
&lt;p&gt;La versione con Windows 7 starter costa ben 40&amp;euro; in pi&amp;ugrave; rispetto la versione con Ubuntu, quindi bisogna tener conto del costo della licenza e del fatto che la versione con Ubuntu ha 2gb di ram invece che 1gb fornito nella versione con Windows.&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
&lt;p&gt;&amp;nbsp;&lt;/p&gt;
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 <comments>http://grigio.org/differenza_prezzo_del_netbook_asus_1015px_e_senza_windows#comments</comments>
 <category domain="http://grigio.org/tag/mediaworld">mediaworld</category>
 <category domain="http://grigio.org/tag/ubuntu">ubuntu</category>
 <pubDate>Wed, 22 Feb 2012 14:06:06 -0800</pubDate>
 <dc:creator>grigio</dc:creator>
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