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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.

949 questions
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Bind9 timeout from LAN, server listening on port 53

I have a very wierd situation with Bind9 on Ubuntu Xenial. The server is listening on port 53 (tested with portqry from windows boxen that are trying to use it as a local DNS server) but it's timing out on requests like: > dig @192.168.1.6 YYY…
Bojan Markovic
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Any possibility to use ZFS for Samba4 AD DC share on Ubuntu 16.04?

For a few (~ 5) PCs running Windows 8.1 I have to setup a domain controller using Samba4 on Ubuntu 16.04 Server. Additionally the DC should provide a few shared folders with user-specific access and act as a printer server. To prevent data…
Apollo13
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nginx shows 200 ok status but doesn't load page

I have installed nginx,php7.0-fpm and mysql on my ubuntu 16.04 server. Everything works fine however It doesn't load a setup page of phpmyadmin. Below is my phpmyadmin nginx block. location /phpmyadmin { root /usr/share/; index…
Shailesh Sutar
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Using Apache rewrite rules in .htaccess to remove .html causing a 500 error

I have written a small website (4 pages, HTML only) and I want to remove the .html extension from the URL by putting some rewrite rules in my .htaccess file, I've Googled around and found several snippets similar to this: …
Enicli
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Soffice.bin high CPU usage

On an Ubuntu 16.04 64bit server (kernel 4.4.0-142-generic) with 4gb of RAM and a 2 cores (Intel(R) Pentium(R) CPU G2030 @ 3.00GHz), we run LibreOffice 5.1.6.2 headless to convert HTML to PDF documents. I noticed a constant, more than 40% cpu usage…
leonardorame
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Not sure how to read lsattr output, where can the legend be found?

When I run the lsattr command, I get the following output: root@swarm-stg-01:/etc# lsattr timezone --------------e--- timezone But I don't understand how to read he output and man command doesn't contain this legend. So what does the "e" mean and…
Lidor Ettinger
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How to keep custom kernel modules on kernel updates installed?

I've got a NIC (Asus XG C100C) that is not properly supported in the current Linux kernel. Hence, I installed driver which I compiled from source. Every time when the kernel is updated, I have to reinstall it and copy the atlantic.ko to…
SDwarfs
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Fail2ban not banning attempted sql injection

I'm getting a large number of sql injection attempts that all look alike on a daily basis. A snippet from the access logs shows: 8222 24.247.182.172 - - [09/Nov/2018:08:47:25 -0600] ***************.com "GET…
DevOpsSauce
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apache reverse proxy with SSL gives '400 bad request'

I have an Odoo instance running on port 9069 in an Ubuntu server. Right now, apache is listening on port 8069 and is proxypass-ing this to 9069 (which works fine). The working URL is http://example.com:8069 Now, I need to make this work with SSL on…
Kishor N
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Postfix Maildir virtual_mailbox_maps and virtual_alias_maps with multiple entries

Using Ubuntu 16.04 Xenial / Postfix 3.1.0 I have setup virtual_mailbox_maps with virtual_alias_maps using Maildir. I need Postfix to deliver mail both to an outside email address and to the appropriate Maildir folder(s). Instead, despite my best…
Robert P
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ZFS ZED smtp configuration

Now that I have a failed HDD, I think it is time to setup ZFS ZED. I am using Ubuntu 16.04 with LXD and have a postfix mail server listening to port 1478 in a container (which works, it is tested and proven that it works). Now the question is, how…
OmerSakar
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No WiFi interface on Intel NUC running Ubuntu 16.04

I have installed Ubuntu 16.04 Server edition on an Intel NUC. The device has a wifi card installed, but when I run lspci, it only shows up as an unknown network controller. After installing network-tools, I can run iwconfig, but it doesn't list any…
Jacob Davis-Hansson
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Restart Systemd unit after dependency

I have a web application that is started by systemd. It uses Postgresql as database, so it rely on it. Here is the unit file of my web application (I have remove the un-relevant/sensitive…
Antoine
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SSHd does not allow publickey authentication due to libcrypto bug

I can not login to my server with public key. Server details: Ubuntu Server 16.04LTS SSHd: OpenSSH_7.2p2 Ubuntu-4ubuntu2.4, OpenSSL 1.0.2g 1 Mar 2016 My public key is added to /home/user/.ssh/authorized_keys, but publickey authentication method…
Daniel
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Can't use Intel Quicksync(headless) for transcoding

/dev/dri and /usr/lib/dri doesn't exist. vainfo returns: error: can't connect to X server! error: failed to initialize display Aborted lspci | grep VGA returns: 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core…
Yahvav
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