<div> </div><div><span>Problem solved</span><span>.</span><br /><span>The cause</span> <span>of the problem was</span> <span>really</span> <span>in the fact that</span> <span>there was no</span> <span>global</span> <span>proxy</span> <span>settings in yum.conf<br />Thank you all</span><span>!</span></div><div> </div><div>14.09.2016, 13:24, "aleksey.maksimov@it-kb.ru" &lt;aleksey.maksimov@it-kb.ru&gt;:</div><blockquote type="cite"><div>Hmm..<span>I'll try.</span><br />How can I call the forced update checking process for oVirt, as well as it happens every night ?</div><div> </div><div>14.09.2016, 13:05, "Gianluca Cecchi" &lt;<a href="mailto:gianluca.cecchi@gmail.com">gianluca.cecchi@gmail.com</a>&gt;:</div><blockquote type="cite"><div><div><div>On Wed, Sep 14, 2016 at 10:40 AM, <span>&lt;<a href="mailto:aleksey.maksimov@it-kb.ru" target="_blank">aleksey.maksimov@it-kb.ru</a>&gt;</span> wrote:<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid;">Yesterday I installed the all updates to hosts and Hosted Engine (and now I have oVirt Engine Version: 4.0.3-1.el7.centos)<br />But the problem still persists.<br /><br />==&gt;&gt;&gt; Is this happening consistently or randomly?<br /><br />Consistently. every night.<br /><br />==&gt;&gt;&gt; Do you have any proxy server defined?<br /><br />Yes. I add to end of ~/.bash_profile (for root) three lines:<br /><br />export https_proxy=<a href="http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/" target="_blank">http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/</a><br />export http_proxy=<a href="http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/" target="_blank">http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/</a><br />export ftp_proxy=<a href="http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/" target="_blank">http://s-MY01-Linux-Upd:Passw0rd@KOM-AD01-GWCLU.holding.com:3128/</a><br /> </blockquote></div></div><div> </div><div>Why not using global proxy config in yum.conf?</div><div><a href="https://wiki.centos.org/TipsAndTricks/YumAndRPM#head-ea1fc5d78f578114f4843e57627ebae9cc4fcb5a">https://wiki.centos.org/TipsAndTricks/YumAndRPM#head-ea1fc5d78f578114f4843e57627ebae9cc4fcb5a</a></div><div> </div><div>eventually changing permissions of yum.conf if passowrd is to be kept secret.... (it seems that by default is 644)</div><div> </div></div></blockquote></blockquote>