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Questions tagged [ubuntu-16.04]

Ubuntu 16.04 - named "Xenial Xerus" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 21, 2016, it was supported for 5 years. Extended Security Maintenance subscriptions are offered by Canonical until April 2024. Only use this tag if your question is version-specific.

Ubuntu 16.04 - named "Xenial Xerus" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 21, 2016, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, and Ubuntu Kylin. Only use this tag if your question is version-specific. Note that the Ask Ubuntu site is specifically dedicated to Ubuntu questions.

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MxToolBox Email deliverability SSL connect error

I have set a mail server using postfix, and I can send and receive email, I have certificate created from letsencrypt, but when I try to test the email from this tool: http://mxtoolbox.com/deliverability In the mail log I see a lot of…
Piero
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ubuntu 16.04, zfs no more files after reboot?

I am trying the new zfs implementation of ubuntu on my docker server. I have made a pool: sudo zpool create dockerz mirror wwn-0x50014ee6afaf43a6-part1 wwn-0x50014ee0027f52a0-part1 mirror wwn-0x5000c5004dc2a401-part1 wwn-0x50014ee002530b22 2 zfs …
vigilian
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Ubuntu with Postfix mail forwarding, DNS records (MX, SPF, DKIM) needed?

I've a server at Digital Ocean with Ubuntu 16.04.1, configured it with Serverpilot and it's working great! Let's say I'm hosting a website domain.com which is sending emails with SendGrid. So my DNS records for this domain are: A @ …
Roy
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Exim4 - Switch from monolithic to split config

While making some changes in exim4, I decided to use the monolithic config style. So as not to confuse myself, I deleted /etc/exim4/conf.d/. I now regret this and wish to switch back to the split config style. However, no amount of…
James Swift
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Ubuntu 16 KVM create bridge for multiple guests

RESOLVED IT, SEE EDIT AT BOTTOM I am running Ubuntu server 16.04.1 on a bare metal with multiple NIC's. At the Ubuntu I am running KVM and on it I have some VM's running Ubuntu server 16. I wish to create the following networking structure: a…
Matan Levy
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Apache2, Wordpress, Ubuntu 16.04 TLS - URL issues

Could someone shed some light on this confusing issue I am having. I am using PHP7, Apache2, Ubuntu 16.04 TLS. When I type my web URL in www.example.co.uk this resolves to my apache default page which at the moment is fine. However, when i put in…
CuriousMindz1981
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Ubuntu 16.04 bonding config not working

I have a weird problem with my bonding setup. Yesterday I've tried to install Pi Hole on my Ubuntu 16.04 server and it messed up my bonding. I've uninstalled Pi Hole, but it's not working anymore. My /etc/network/interfaces: auto lo iface lo inet…
Mark Remijn
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Apache DocumentRoot Ubuntu for Virtual Host

I'm quite puzzled by the setup of a Virtual Host at my Apache server on Ubuntu 16.4. I did follow this the instruction to install Processmaker on Ubuntu. Everything works fine but if I access my site: http://process.koina.eu:8080 I only see the…
bluelue
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Network not working after update to Ubuntu 16.04

I updated a server from Ubuntu 14.04 to 16.04. As expected, I had to rename my network interfaces fron eth0, etc to eno1, etc. However, of the two interfaces (one 'internal' and one 'external'), only one (internal) is working. I also have a kvm…
timedistance
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pfSense DMZ VMware and Ubuntu 16.04.1 LTS

In a VMware environment I am having connectivity issues (no ping) between the gateway (pfSense DMZ) and Ubuntu server 16.04.1 LTS. Pfsense is working fine from the LAN subnet 192.168.1.0/24 but not from DMZ subnet 10.10.10.0/24 I think I have…
Bobo
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any autofs experts? how to get autofs and webdav to work together?

First off let me say that this is a repost of a question I posted in AskUbuntu. If this is against the rules then please remove this. Honestly, after further consideration of the topic I realized that since autofs works basically the same across…
Daniel
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How can I allow a normal user to stop Postgresql on Ubuntu 16.04?

My user is 'peaagent'. I have tried visudo -f /etc/sudoers.d/peaagent with the following: peaagent ALL = (root) NOPASSWD: /bin/systemctl stop postgresql.service When I try stop Postgresql as peaagent it prompts me for a…
David Tinker
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Ubuntu Server 16.04.1 LTS and /var/tmp

A few hours ago i reinstalled my server with Ubuntu Server 16.04.1 LTS. As part of my regular setup process, i delete /var/tmp and set up a symlink to /tmp which is on its own partition with nodev,nosuid,noexec. The problem is, /var/tmp will not…
Ruok2bu
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Check script running by Apache by PID

Via HTOP I detect some Apache scripts running (www-data /usr/sbin/apache2 -k start) for a long time, or even using a lot of CPU. In some cases these scripts are the cause of database congestion and/or slow apache server, creating a ripple effect…
Tom
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Make gnutls-cli print local root certificate as well as server-provided certificates

I'm diagnosing a TLS certificate verification problem in Ubuntu Xenial that resulted from the recent Let's Encrypt root certificate expiration. The problem happens in cURL which uses GnuTLS under the hood -- so I've used gnutls-cli to diagnose it…
ivan_pozdeev
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