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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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Trouble Installing Ubuntu Server on PowerEdge R330 (Hardware RAID1)

I'm having trouble installing Ubuntu Server 16.04 LTS on a hardware RAID-1 setup on a new Dell PowerEdge R330 Server. I'm using a bootable USB made by Rufus-2.18. (I'm a newb to server setups, so please excuse me for anything ignorant I missed or…
takanuva15
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OOM killer shut down MySQL although ram usage seems low

Setup EC2 t2.large instance with Ubuntu 16.04 (2 Cores, 8GB RAM) Apache/2.4.18 (Ubuntu) 5.7.20-0ubuntu0.16.04.1 (Ubuntu) Currently this instance hosts multiple Drupal 6 & 7 sites, around 150 in total. The majority of the sites have a DB size of…
Angelos Ar
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Docker returns connection error after being setup as cron job

I have a docker container on ubuntu 16.04 and I want to run a docker command periodically. After checking the command runs successfully from the command line I've setup a crontab with the following: */1 * * * * sudo docker run {image-name} python3…
goose
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How do I fix this: Client auth is required but no trust anchors found in: /var/lib/neo4j/certificates/default/trusted

I've been trying to configure SSL for a Neo4j server per their documentation. To this end I have created the following directory structure. /var/lib/neo4j/certificates# ls -lR .: total 12 drwxr-xr-x 4 neo4j neo4j 4096 Dec 20 17:12 default -rw-------…
Anirudh
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MySQL stops every day after "Started ACPI event daemon"

systemd[1]: Starting Daily apt upgrade and clean activities... systemd[1]: Reloading. systemd[1]: Started ACPI event daemon. systemd[1]: Reloading. systemd[1]: Started ACPI event daemon. systemd[1]: Stopping MySQL 5.7.20 Community…
Nick
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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]…
PicoutputCls
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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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How to automatically switch to home directory when switching user?

When i ssh to my ubuntu server, i get logged in to my user's home folder. But when i do su otheruser and enter the password, i get logged in as the otheruser but the home directory stays for the previous user. How to automatically switch to the…
user2707590
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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…
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