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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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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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How to read boot log in rescue mode?

I have a remote server running Ubuntu 16.04 server that hangs on boot. In order to find the error I booted it in rescue mode, mounted devices to /mnt and chrooted to /mnt. Here's what I did so far: root@rescue ~ # mount /dev/md2 /mnt root@rescue ~ #…
digijay
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How to reduce latency with Nginx RTMP streaming server

My Virtual Server is configured with 3GB memory, and 1 core. I'm playing the following mp4 file Sample MP4 Video File through my NGINX RTMP server, as small.mp4. I'm experiencing a latency issue. Here is my nginx.conf rtmp { server { …
Ian Arman
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Why is nginx redirecting to another site when setting up SSL on my new site?

I have a droplet on DigitalOcean, running Ubuntu 16.04, which I started sharing with a friend of mine. He already has a webpage running on the droplet with nginx and today I started setting my Wordpress site on it too. I successfully got my site…
Andres
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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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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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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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