<div dir="ltr">Hi,<div><br></div><div>Why aren't you following the instruction you link to? the file should contain:</div><div><pre style="box-sizing:inherit;font-family:Menlo,Monaco,Consolas,"Courier New",monospace;font-size:0.8em;display:block;padding:9.5px;margin:2em 0px;line-height:1.42857;color:rgb(51,51,51);background-color:rgb(251,251,251);border:1px solid rgb(204,204,204);border-radius:4px;text-decoration-style:initial;text-decoration-color:initial">deb <a href="https://packagecloud.io/varnishcache/varnish60/">https://packagecloud.io/varnishcache/varnish60/</a><span class="gmail-callout gmail-nowrap" style="box-sizing:inherit;white-space:nowrap;font-weight:bold;color:red">ubuntu</span>/ <span class="gmail-callout gmail-nowrap" style="box-sizing:inherit;white-space:nowrap;font-weight:bold;color:red">xenial</span> main
deb-src <a href="https://packagecloud.io/varnishcache/varnish60/">https://packagecloud.io/varnishcache/varnish60/</a><span class="gmail-callout gmail-nowrap" style="box-sizing:inherit;white-space:nowrap;font-weight:bold;color:red">ubuntu</span>/ <span class="gmail-callout gmail-nowrap" style="box-sizing:inherit;white-space:nowrap;font-weight:bold;color:red">xenial</span> main</pre>also, note that there's a script automating the process that would save you this hassle: <a href="https://packagecloud.io/varnishcache/varnish60/install">https://packagecloud.io/varnishcache/varnish60/install</a></div><div><br></div><div>Kind regards,</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>-- <br></div>Guillaume Quintard<br></div></div></div>
<br><div class="gmail_quote">On Sun, Aug 19, 2018 at 9:49 PM, neo <span dir="ltr"><<a href="mailto:neovichnn@gmail.com" target="_blank">neovichnn@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  

    
  
  <div text="#000000" bgcolor="#FFFFFF">
    <p>I used this instruction
      <a class="m_4791322354554780772moz-txt-link-freetext" href="https://packagecloud.io/varnishcache/varnish60/install#manual-deb" target="_blank">https://packagecloud.io/<wbr>varnishcache/varnish60/<wbr>install#manual-deb</a></p>
    <p>put to <span style="color:rgb(199,37,78);font-family:Menlo,Monaco,Consolas,"Courier New",monospace;font-size:16.2px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(249,242,244);text-decoration-style:initial;text-decoration-color:initial;display:inline!important;float:none">/etc/apt/sources.list.d/<wbr>varnishcache_varnish60.list</span>
    </p>
    <p>deb <a class="m_4791322354554780772moz-txt-link-freetext" href="https://packagecloud.io/varnishcache/varnish60/ubuntu/xenial" target="_blank">https://packagecloud.io/<wbr>varnishcache/varnish60/ubuntu/<wbr>xenial</a>
      16.04 LTS Xenial Xerus main<br>
      deb-src
      <a class="m_4791322354554780772moz-txt-link-freetext" href="https://packagecloud.io/varnishcache/varnish60/ubuntu/xenial" target="_blank">https://packagecloud.io/<wbr>varnishcache/varnish60/ubuntu/<wbr>xenial</a> 16.04
      LTS Xenial Xerus main<br>
    </p>
    <p>and when do sudo apt-get update got an error:</p>
    <p>...</p>
    <p>W: The repository
      '<a class="m_4791322354554780772moz-txt-link-freetext" href="https://packagecloud.io/varnishcache/varnish60/ubuntu/xenial" target="_blank">https://packagecloud.io/<wbr>varnishcache/varnish60/ubuntu/<wbr>xenial</a>
      16.04 Release' does not have a Release file.<br>
      N: Data from such a repository can't be authenticated and is
      therefore potentially dangerous to use.<br>
      N: See apt-secure(8) manpage for repository creation and user
      configuration details.<br>
      E: Failed to fetch
<a class="m_4791322354554780772moz-txt-link-freetext" href="https://packagecloud.io/varnishcache/varnish60/ubuntu/xenial/dists/16.04/LTS/source/Sources" target="_blank">https://packagecloud.io/<wbr>varnishcache/varnish60/ubuntu/<wbr>xenial/dists/16.04/LTS/source/<wbr>Sources</a> 
      404  Not Found<br>
      E: Some index files failed to download. They have been ignored, or
      old ones used instead.<br>
      neo@neo:/tmp/varnish-cache$</p>
    <p><br>
    </p>
    <p>The whole code: <a class="m_4791322354554780772moz-txt-link-freetext" href="https://paste.ubuntu.com/p/6FkQZbCPf6/" target="_blank">https://paste.ubuntu.com/p/<wbr>6FkQZbCPf6/</a></p>
    <p>How to install varnish6 ?<br>
    </p>
    <p><br>
    </p>
    <p><br>
    </p>
  </div>

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<br></blockquote></div><br></div>