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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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Docker service starts before ZFS

I am using Docker CE on Ubuntu 16.04, with ZFS as storage for Docker. Setup is pretty much standard: There's a zpool that has multiple disks On the zpool, there's a zfs filesystem with mountpoint /var/lib/docker. Docker sees that the filesystem is…
ItalyPaleAle
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What does ALPN, server did not agree to a protocol mean?

I see this quite regularly when using various calls in curl. I'm not sure if its the root cause to some of my returns resulting in error 400 but as a newbie just curious more than anything.
John Toe
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How to enable and use the serial terminal of a HP Microserver Gen9?

I have a HP ProLiant Microserver Gen9. It has HP ILO version 4, but the Java based Remote Console doesn't work reliably and I can't use it after the POST screen in the free version of ILO (asks me to buy an ILO Advanced license). So I want to use…
nh2
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Ubuntu Err :18 http://dl.google.com/linux/chrome/deb stable Release.gpg KEYEXPIRED 1555048520

Since this morning I have this error Err :18 http://dl.google.com/linux/chrome/deb stable Release.gpg The following signatures are not valid : KEYEXPIRED 1555048520 KEYEXPIRED 1555048520 KEYEXPIRED 1555048520 KEYEXPIRED 1555048520 when I'm…
Thomas COUMES
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Install more_set_headers in nginx 1.15.8

Ubuntu 16 Server - load_module modules/ngx_http_headers_more_filter_module.so does not work out the box from a fresh install. root@ /etc/nginx # nginx -V nginx version: nginx/1.15.8 built by gcc 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.10) built…
Vituvo
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Ubuntu 18.04 strange behaviour of date with --date option

I've found strange behaviour of date program in Ubuntu 18.04. So, I consider date should work with --date option and correctly process +N minutes: date --date "2019-01-01 13:43:32 +1 minutes" "+%Y-%m-%d %H:%M:%S" But, in Ubuntu 16.04 I will…
Victor Perov
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IPSec strongswan "established successfully", but no ppp0

I'm trying to connect an Ubuntu Server 16.04 to an IPSec L2TP VPN using the strongswan client. Aparently the connection is established successfully, but the interface ppp0 isn't created. This is the result of sudo ipsec up myconnection: initiating…
leonardorame
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How to limit bandwidth per VPN connection?

I have a StrongSwan (IKEv2) server setup and would like to limit each VPN connection to 512kb/s. After researching I came across tc in Ubuntu. I don't quite understand it and am fighting through the manual pages. DEV=eth0 tc qdisc del dev $DEV…
Houman
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Postfix - Untrusted TLS connection

My server is running on Ubuntu 16.04 and Postfix is installed. All the emails sent from my server are marked as spam by Gmail and I thought that setting up a TLS/SSL certificate from Let’s Encrypt might help. Having generated a certificate (by…
BociucH
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Error when running docker build on any dockerfile: "unable to prepare context: unable to evaluate symlinks in Dockerfile path"

I'm running : $ docker build -t somefile . Every time I run that I get this error: unable to prepare context: unable to evaluate symlinks in Dockerfile path: lstat The full error is: unable to prepare context: unable to evaluate symlinks in…
OpenBSDNinja
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How to change the drive reference in a zfs pool from /dev/sdX to /dev/disk/by-id (ata-XXXXXX)

In the example below, how can the devices in the second mirror be changed so they they reference the /dev/disk/by-id instead of /dev/sdX? user@pc:~$ sudo zpool status pool: storage state: ONLINE scan: scrub repaired 0 in 8h30m with 0 errors on…
Greg
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uWSGI won't start with systemd under Ubuntu 16.04

I'm in the process of doing a somewhat painful migration of our staging and production servers from Ubuntu 12.04 to 16.04. I'm testing the migration on staging and it is mostly working, except for getting uWSGI to start under systemd (it previously…
mathew
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How to make systemd call my "status" command?

We are replacing an Ubuntu 8.04 server with a Ubuntu 16.04. The server runs a single (non-OS) service that we need. (I'm the dev of that service, and not the sysadmin, which is on holiday this week) The service script looks about like…
monster
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Ubuntu server hang with ascii NUL characters in syslog and other files ( ^@^@^@… )

We are experiencing occasional hangs with ubuntu 16.04 LTS (kernel 4.4.0-34-generic) and we wonder if somebody has some clues how to get to bottom of this. The log looks like this: Aug 24 10:02:04 Ubuntu-1404-trusty-64-minimal kernel: [ 2046.519099]…
user2196351
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Non-interactive (silent) install of MySQL 5.7 on Ubuntu 16.04 LTS

MySQL 5.7 (5.6+ actually) changed how mysql_secure_installation works. This made it hard to find a working, silent, scripted install for Ubuntu 16.04 LTS. How would you install MySQL securely in a scripted noninteractive way?
Michael Johansen
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