Server Fault Stack Exchange
Server Fault Stack Exchange

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.

949 questions
8
votes
3 answers

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
  • 736
  • 2
  • 10
  • 18
7
votes
3 answers

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
  • 83
  • 1
  • 6
7
votes
3 answers

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…
Curious Sam
  • 317
  • 2
  • 5
  • 15
7
votes
1 answer

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
  • 255
  • 2
  • 9
7
votes
1 answer

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
  • 307
  • 2
  • 4
  • 9
7
votes
3 answers

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
  • 181
  • 1
  • 1
  • 5
7
votes
3 answers

Ubuntu cron job every workday

On Ubuntu 16, I'm trying to trigger cron job at 8:00 AM on workdays, and here is what I've tried so far 0 8 * * 1-5 /path/to/command and 0 8 * * MON-FRI /path/to/command Does not work
Aleksandar Pavić
  • 382
  • 2
  • 7
  • 18
7
votes
1 answer

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
  • 213
  • 2
  • 7
7
votes
3 answers

What does memory_limit = -1 mean in a PHP.ini file?

I was in some ubuntu server configs, and found that my memory on the server (online resources say default is usually 128Mb correct?) and I found this listed memory_limit = -1 Why? What does a value of -1 do? Php of 5.6
camdixon
  • 171
  • 1
  • 1
  • 4
7
votes
1 answer

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
  • 608
  • 2
  • 10
  • 17
7
votes
1 answer

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
  • 191
  • 3
7
votes
2 answers

ubuntu only use 8 cpu for RX and TX queue with vmxnet3

I installed Ubuntu 16.04 on vmware esxi 6.7 with 32 core cpu for this machine. Linux only run 8 queue for tx and rx and it cant use all cpus in heavy load. # ethtool -S ens192 | grep Queue Tx Queue#: 0 Tx Queue#: 1 Tx Queue#: 2 Tx Queue#: 3 Tx…
Behrad Eslamifar
  • 83
  • 8
6
votes
1 answer

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
  • 317
  • 3
  • 14
6
votes
1 answer

Why does certbot suddenly fall back to http-01 challenge instead of tls-sni-01 (https)?

I have a well-tested bash script that was running fine until a few weeks ago. It seems that certbot challenge defaults now to http instead of https. I can't figure out the reason. echo 'rsa-key-size = 2048 renew-hook = /usr/sbin/ipsec reload &&…
Houman
  • 1,325
  • 3
  • 18
  • 30
6
votes
1 answer

Cannot connect to OpenVPN server under Ubuntu 16.04

I'm trying to connect to a VPN server. I'v got client.ovpn from my system admin. When running: sudo openvpn --config client.ovpn I'm getting Initialization Sequence Completed after few seconds, but my connection isn't working. trying to - ping…
Arnon
  • 163
  • 1
  • 5
1 2
3
…
63 64