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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Network interface periodically going down with speed changed to 0 kernel errors

Over the last couple of days, the bonded network interface on one of our servers has stopped responding. Looking through the kernel logs, I notice when the interface goes down, we are getting lots of repeated errors of the form: [76019.645601]…
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Postgresql 9.6 over BTRFS. Good or bad idea?

I'm just preparing a VM machine (running onver Proxmox) to run a postgresql 9.6 over a Ubuntu 16.04 LTS. This postgres would be used to handle Jira/FisheEye/Confluence databases for a small company. Usually we are a few user at same time, so we not…
Zardoz89
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Let's encrypt certificate and NGINX - Cannot find a cert or key directive

My server runs on a LEMP Stack Ubuntu 16.04 and last version of nginx I already have a SSL certificate installed on my server for the following domains and subdomains : example.com, domain1.example.com and everything is working fine. What I try to…
Leo
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Can't install mysql-server on fresh Ubuntu 16.04

TLDR Installing mysql-server-5.7 fails at Renaming removed key_buffer and myisam-recover options (if present) Question 1: How do I fix the issue described below? Question 2: Why does it occur? Background I'm at my wits' end trying to solve this.…
KareemElashmawy
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Turn off TLS1.0 on Apache for PCI compliance

Pci DSS compliance stated that by June 2016 TLSv1.0 must be disabled. My cursory search taught me that a -TLSv1 in the SSLProtocals portion of the apache config would care for it (right next to the -SSLv3). I have tried each of the following lines…
wruckie
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Postfix sending emails with delay

I am running Ubuntu 16.04 on Amazon Lightsail. I just configures Postfix to send emails. If I send an email after a few hours the email is received instantly. If I send multiple emails at one the emails get delayed for about 10-30…
Waqas Tariq
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Does iptables not work with long-named network interfaces?

I used to configure iptables to forward packages between different network interfaces on a muli-network-interface-server. So long, it worked fine until I updated my server to Ubuntu 1604. Ubuntu 1604 comes with the new kernal, which rename…
Galaxy
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Libvirt LXC leaked processes

I'm trying to run several lxc containers on an ubuntu 16.04 server. (libvirt version is 1.3.1). The nature of my team's use of these containers means that they are constantly booting and then being destroyed, and we manage this lifecycle using the…
SwampDragons
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Systemd After not starting service

letsencrypt.service: [Unit] Description=Renews letsencrypt certificates After=network.target letsencrypt_concat_fullchain_privkey.service [Service] Type=oneshot WorkingDirectory=/etc/letsencrypt/ ExecStart=/usr/bin/letsencrypt renew When I start…
Karl Morrison
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vsftpd login info issue

The server is ubuntu 16.04. I can login vsftpd as the following: ftp> open MY_FTP_IP Connected to MY_FTP_IP. 220 (vsFTPd 3.0.3) Name (MY_FTP_IP:ACCOUNT_NAME): someftpuser The problem is that ACCOUNT_NAME is my sudoers's name, and I don't want the…
cwhsu
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RTC time is going totally wrong after a few minutes (Ubuntu 16.04 + Hyper-V)

My RTC time on my Ubuntu 16.04 is going crazy. After a few minutes the RTC time is going totaly wrong. The strange thing is, if I disable NTP Service (timedatectl set-ntp false and service ntp stop) and fix the time once (hwclock -w) the RTC time is…
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Whence /etc/php/7.0/apache2/php.ini in Ubuntu 16.04?

Where does the /etc/php/7.0/apache2/php.ini file come from on Ubuntu 16.04? dpkg -S /etc/php/7.0/apache2/php.ini returns nothing. dpkg -S /etc/php/7.0/apache2/ shows that the directory is installed by the libapache2-mod-php7.0 package,…
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NGINX as reverse proxy in front of Apache does not work with SSL turned on

I have read every post, tutorial and comment on forums out there an for the life of me still cannot get Nginx proxy to work properly once SSL is turned withing Nginx server block. Apache is fully set up with virtual host for both regular and ssl…
Robert
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Ubuntu: Unable to change limit for number of open files for root (all users), what could be the reason?

I Have an Ubuntu 16.04 server. When I run as root, ulimit -n I get 1024. When I run it as my user I get 65535. But I want to make sure that all users, including root has the open files limit set to 65535. The problem is that I've done everything I…
Itai Ganot
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Ubuntu 16.04 server is listening but not accepting incoming requests

I recently upgraded my server from Ubuntu 14.04 to 16.04. The upgrade seemed successful (so I'm not sure if it's related) but about a week in I restarted the host and it now will not accept remote requests. I can connect to the terminal using my…
Godwin
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