<div dir="ltr"><div>Hi,</div><div><br></div><div>We've got a collection of Ubuntu 18.04 boxes out in the field. They connect to an AWS OpenVPN VPN and use a Squid 3.5 AWS hosted Proxy. They work fine.</div><div><br></div><div>We have tried upgrading one to 20.04. Same setup. From the command line curl or wget can happily download an Ubuntu package from the Ubuntu Mirror site we use. But "apt update" gets lots of "IGN:" timeouts and errors.</div><div><br></div><div>The package we test curl with is <span><span><span style="font-size:14px;line-height:24px;background-color:rgb(244,245,247);color:rgb(23,43,77);border-radius:3px;display:flex;overflow-x:auto;white-space:pre"><code style="padding:8px 0px;white-space:pre"><a href="https://mirror.aarnet.edu.au/ubuntu/pool/main/c/curl/curl_7.68.0-1ubuntu2.5_amd64.deb">https://mirror.aarnet.edu.au/ubuntu/pool/main/c/curl/curl_7.68.0-1ubuntu2.5_amd64.deb</a></code></span></span></span></div><div><br></div><div>The Squid log shows a line the doesn't occur for the successful 18.04 "apt updates":</div><div><span><span><span style="font-size:14px;line-height:24px;background-color:rgb(244,245,247);color:rgb(23,43,77);border-radius:3px;display:flex;overflow-x:auto;white-space:pre"><code style="padding:8px 0px;white-space:pre"><span>1625190959.233 81 10.0.11.191 TAG_NONE/200 0 CONNECT <a href="http://mirror.aarnet.edu.au:443">mirror.aarnet.edu.au:443</a> - HIER_DIRECT/2001:388:30bc:cafe::beef -</span></code></span></span></span></div><div><br></div><div>The full output of an attempt to update is:</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Ign:1 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal InRelease <br>Ign:2 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-updates InRelease <br>Ign:3 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-backports InRelease <br>Ign:4 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-security InRelease <br>Err:5 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal Release <br> Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 10.0.11.82 3128]<br>Err:6 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-updates Release <br> Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 10.0.11.82 3128]<br>Err:7 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-backports Release <br> Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 10.0.11.82 3128]<br>Err:8 <a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-security Release <br> Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 10.0.1.26 3128]<br>Reading package lists... Done <br>N: Ignoring file 'microsoft-prod.list-keep' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension<br>E: The repository '<a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal Release' does not have a Release file.<br>N: Updating from such a repository can't be done securely, and is therefore disabled by default.<br>N: See apt-secure(8) manpage for repository creation and user configuration details.<br>E: The repository '<a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-updates Release' does not have a Release file.<br>N: Updating from such a repository can't be done securely, and is therefore disabled by default.<br>N: See apt-secure(8) manpage for repository creation and user configuration details.<br>E: The repository '<a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-backports Release' does not have a Release file.<br>N: Updating from such a repository can't be done securely, and is therefore disabled by default.<br>N: See apt-secure(8) manpage for repository creation and user configuration details.<br>E: The repository '<a href="https://mirror.aarnet.edu.au/ubuntu">https://mirror.aarnet.edu.au/ubuntu</a> focal-security Release' does not have a Release file.<br>N: Updating from such a repository can't be done securely, and is therefore disabled by default.<br>N: See apt-secure(8) manpage for repository creation and user configuration details.<br></div></blockquote><div><br></div><div>While running, the line</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>0% [Connecting to HTTP proxy (<a href="http://vpn-proxy-d68aca8a8f7f81d6.elb.ap-southeast-2.amazonaws.com:3128">http://vpn-proxy-d68aca8a8f7f81d6.elb.ap-southeast-2.amazonaws.com:3128</a>)]</div></blockquote><div>appears often and hang for a while.</div><div><br></div><div>I've tried upping the squid logging and allowing all, but they didn't offer any additional information about the issue.</div><div><br></div><div>Any advice would be greatly appreciated.<br></div><div><br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Regards,</div><div><br></div><div><div dir="ltr" style="margin-left:0pt" align="left"><table style="border:none;border-collapse:collapse"><colgroup><col width="181"><col width="229"></colgroup><tbody><tr style="height:0pt"><td style="border-left:solid #ffffff 1pt;border-right:solid #4a86e8 1pt;border-bottom:solid #ffffff 1pt;border-top:solid #ffffff 1pt;vertical-align:top;padding:5pt 5pt 5pt 5pt;overflow:hidden"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:167px;height:130px"><img src="https://lh4.googleusercontent.com/PjzOtuo8wRwonOYtyjVEsTHphPFdwgM8H79UkQ5H--uLWS_Wje0pIvRFGgiiaYF8CohhfacA5LpIBIck7fEou91YR_e95GyEd53ubLzjKbgTVaqvhdESRKKiWZqDxUYAmOApJr47" style="margin-left:0px;margin-top:0px" width="167" height="130"></span></span></p></td><td style="border-left:solid #4a86e8 1pt;border-right:solid #ffffff 1pt;border-bottom:solid #ffffff 1pt;border-top:solid #ffffff 1pt;vertical-align:top;padding:5pt 5pt 5pt 5pt;overflow:hidden"><p dir="ltr" style="line-height:1.728;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11.5pt;font-family:Arial;color:#2e80b5;background-color:transparent;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap">David Mills</span></p><p dir="ltr" style="line-height:1.728;margin-top:0pt;margin-bottom:0pt"><span style="font-size:9pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap">Senior DevOps Engineer</span></p><br><p dir="ltr" style="line-height:1.44;margin-right:5pt;margin-top:0pt;margin-bottom:5pt"><span style="font-size:9pt;font-family:Arial;color:#3388cc;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"> </span><span style="font-size:9pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap">E: </span><span style="font-size:9pt;font-family:Arial;color:#2e80b5;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"><a href="mailto:david.mills@acusensus.com" target="_blank">david.mills@acusensus.com</a></span></p><p dir="ltr" style="line-height:1.44;margin-right:5pt;margin-top:0pt;margin-bottom:5pt"><span style="font-size:9pt;font-family:Arial;color:#3388cc;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"> </span><span style="font-size:9pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap">M:</span><span style="font-size:9pt;font-family:Arial;color:#3388cc;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"> </span><span style="font-size:9pt;font-family:Arial;color:#2e80b5;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap">+61 411 513 404</span></p><p dir="ltr" style="line-height:1.44;margin-top:0pt;margin-bottom:0pt"><span style="font-size:9pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap"> W:</span><a href="http://acusensus.com/" style="text-decoration:none" target="_blank"><span style="font-size:9pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre;white-space:pre-wrap"> </span><span style="font-size:9pt;font-family:Arial;color:#1155cc;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre;white-space:pre-wrap">acusensus.com</span></a></p><br></td></tr></tbody></table></div><br><br></div></div></div></div></div></div>
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