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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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Problems setting fail2ban apache rules

Im using ubunutu 16.04. I install fail2ban and everything works wells. I try an ssh false login attempt, and it bans my ip as it should do. So well everything is nice at this point. But i need to implement some apache rules, so i proceed to edit…
romanturbo
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ID mapping with SSSD and SMB

I'm trying to get a samba share working with correct IDs on Windows (SID) and Linux (uid/gid) clients. The problem is that the uids and gids are not properly mapped back to SIDs and SIDs are not resolved to names. What could lead to this problem and…
Sethos II
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Unattended upgrades log

I currently have unattended upgrades on two different servers with Ubuntu 14.04 and Ubuntu 16.04 respectively. While in Ubuntu 16.04 the logs are saved in /var/log/unattended-upgrades/unattended-upgrades.log In Ubuntu 14.04 are saved…
restiz
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Ubuntu server: weird latency jumps in lan

We replaced our aging firewall with this server, running Ubuntu 16.04. It does (almost) nothing other than running iptables with about 900 rules (filter & nat combined). The aging server it replaced worked fine and there were no issues…
GibsonLP
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Navicat failed to connect to server over ssh tunnel on ubuntu 16.04

I'm trying to connect my database in my ec2 instance running on Ubuntu 16.04 with Navicat. But it keeps coming with SSH: expected key exchange group packet from server. I have another instance running on Ubuntu 14.04, there I have an active…
H. Jabi
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Apache SSL Handshake Slow

I am running an Apache 2.4.18 server running under Ubuntu 16.04.1 LTS, only with PHP 7 and Exim 4 installed. In the early morning the SSL handshake is extremely fast, about 200ms, but as time passes it increases (about 1 hour later), getting around…
Tom
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Tomcat 8 taking forever to start

Just built a new Tomcat 8 app server (digitalocean droplet). It's Ubuntu Server 16.04, openjdk 1.8.0_111, Tomcat 8.0.32, etc. Installed from official apt repos. Nothing exciting. When I start the server, it gets stuck deploying the ROOT application…
PrecisionPete
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Ubuntu 16.04 Systemd not possible to use systemctl

I have a Ubuntu 16.04 server, since the last restart, systemctl doesn't work anymore. For example if I want to start the nginx, I get the following error: root@SERVER:/# systemctl start nginx Failed to start nginx.service: Unknown unit:…
ghovat
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Ubuntu 16.4 public Samba share suddenly not public anymore

New, completely "vanilla" Ubuntu 16.4 server installation. I modified the original smb.conf file to include a public share. It worked, until I rebooted the Windows 10 client. Now, I get asked for the credentials when trying to access the public…
Frank H.
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Issues installing gitlab-ce on Ubuntu 16.04 (xenial)

I've been trying to install gitlab-ce from the Omnibus packages for Ubuntu 16.04 (GNU/Linux 4.6.5-x86_64-linode71 x86_64) and I'm completely stuck. Issue #1 All of the docs say to run the command sudo apt-get install gitlab-ce but I always get a…
Mark Biek
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Replace zfs pool member after reboot reordered disk paths

I created a raidz1-0 pool with three devices. Two where added by their /dev/disk/by-id ID and somehow I decided to use /dev/sdg1 for the third one. After a reboot years later, I can't get all three devices online again. Here's the current status: #…
Fredrik Wendt
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Permission issue preventing increase in Open Files Limit in Ubuntu

My Digital Ocean droplet's ulimit -n yields 1024. Now it's a dedicated machine with Ubuntu 16.04, 32GB Ram, 16 Cores. I want to crank it up to 65535. The problem: I followed a bunch of steps to configure this (given at the end). However, I run into…
Hassan Baig
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Ubuntu: /dev/sdb1 is apparently in use by the system; will not make a filesystem here

I get this error when I try to format dev/sdb1: $ mkfs.ext4 -L data /dev/sdb1 mke2fs 1.42.13 (17-May-2015) /dev/sdb1 is apparently in use by the system; will not make a filesystem here! where /dev/sdb has a partition that I have created with…
loretoparisi
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how to set pwdMaxAge for a single user in OpenLdap

If I do this, it is applicable to all users. ldapadd -v -H "ldaps://hostName/" -x -W -D cn=admin,dc=mydomain,dc=com -f pwdMaxAge.ldif dn: cn=passwordDefault,ou=Policies,dc=mydomain,dc=com changetype: modify replace: pwdMaxAge pwdMaxAge:…
james
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Apache says "Forbidden You don't have permission to access this resource." to a specific domain

I have a server on AWS which serves a number of websites. Webmin is also installed. In Apache, when I try to create a website, say ferrari.example.com, I get the error Forbidden. You don't have permission to access this resource. when I request it…
Magmatic
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