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	<title>http2 &#8211; MiniFisto Online</title>
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		<title>Minifisto outage &#038; upgrade</title>
		<link>https://www.minifisto.org/2016/09/27/minifisto-outage-upgrade/</link>
					<comments>https://www.minifisto.org/2016/09/27/minifisto-outage-upgrade/#respond</comments>
		
		<dc:creator><![CDATA[gettons]]></dc:creator>
		<pubDate>Tue, 27 Sep 2016 21:13:03 +0000</pubDate>
				<category><![CDATA[Cloud]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Tecnologia]]></category>
		<category><![CDATA[http2]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[nginx]]></category>
		<category><![CDATA[outage]]></category>
		<category><![CDATA[upgrade]]></category>
		<guid isPermaLink="false">https://www.minifisto.org/?p=295</guid>

					<description><![CDATA[&#160; Ebbene si, accade anche nei migliori stack. Ieri sera, dopo aver giocherellato un po troppo con i plugins e aggiornato dei pacchetti ( prevalentemente [&#8230;]]]></description>
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<p><img fetchpriority="high" decoding="async" class="alignnone wp-image-296 aligncenter" src="https://www.minifisto.org/wp-content/uploads/2016/09/http2-fast-websites-300x185.png" alt="http2-fast-websites" width="290" height="179" srcset="https://www.minifisto.org/wp-content/uploads/2016/09/http2-fast-websites-300x185.png 300w, https://www.minifisto.org/wp-content/uploads/2016/09/http2-fast-websites.png 728w" sizes="(max-width: 290px) 100vw, 290px" /></p>
<p>&nbsp;</p>
<p>Ebbene si, accade anche nei migliori stack. Ieri sera, dopo aver giocherellato un po troppo con i plugins e aggiornato dei pacchetti ( prevalentemente bugfix ), devo aver sminchiato qualcosa. Si lo so, avrei dovuto testare queste cose in anticipo su un altro ambiente, ma minifisto non e&#8217; certo il Financial Times. Entrando nel merito del problema: non credo fosse assolutamente legato ai plugins in se, in quanto dopo una veloce occhiata ai logs ho notato in syslogs php-fpm andava in segfault continuamente e nginx mi spiattellava in faccia di tanto in tanto un bello status code 502 ( bad gateway ). Sicche&#8217; ne ho approfittato per fare un bel dist upgrade all&#8217; ultima LTS disponibile per ubuntu. Avendo una snapshot ( sana ) della  virtual machine,  opportunamente creata tramite cron, ho quindi lanciato il comando e aspettato.</p>
<p>Una volta finito, un reboot, pulizia dei log ( dopo salvataggio degli stessi ), e qualche tocco qua e la per nginx in quanto il nuovo supporta HTTP/2 che volevo gia&#8217; comunque implementare. Tutto e&#8217; andato per il meglio, ho rimosso alcuni plugin comunque sospetti, ed ho riabilitato il monitoring ( che avevo in precedenza disabilitato per evitare un flood di ridondanti notifiche ).  Altra cosa, ho ripulito la cache di cloudflare giusto per completezza.</p>
<p>Tutto e&#8217; andato quindi per il meglio, ora Minifisto e&#8217; fully http/2 compliant.</p>
<p>Proxima estacion modsecurity e fastcgi_caching ( <a href="https://github.com/FRiCKLE/ngx_cache_purge?utm_source=9-tips-for-improving-wordpress-performance-with-nginx&amp;utm_medium=blog" target="_blank">ngx_cache_purge</a> e <a href="https://wordpress.org/plugins/nginx-helper/?utm_source=9-tips-for-improving-wordpress-performance-with-nginx&amp;utm_medium=blog" target="_blank"><em>Nginx Helper</em> plug-in</a> inclusi )</p>
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