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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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Linux/Ubuntu bridge causes tcp retransmission and DUP ACK

When I do configure a network bridge on my Ubuntu server I got each packet to be retransmitted and getting many duplicate ACKs... as this wireshark image my bridge interface config is: iface enp5s0 inet manual auto br0 iface br0 inet static …
Michael Eino
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Is there a way to set the default SMB version to SMB1 globally on Ubuntu 16.04 LTS?

I am trying to configure multiple servers running Ubuntu 16.04.2 LTS to backup using the Veeam Linux Agent (VLA) to a Qnap NAS hosted remotely by our IT. For whatever reason, we are required to do so by using the SMB connection option in VLA.…
Argyle
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cant ping or ssh into centos7

This might be a centos issue. I have few hosts(ubuntu 16 and centos7) in subnet 10.1.10.1 while the client machine is in 10.1.1.1. The networking seems to fine. I can ping and ssh into all ubuntu hosts from client machine but not to centos machines.…
Jauyzed
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Mount multiple NFS-Servers

I have multiple nfs-servers running in my network. What is the best way to mount all servers on my ubuntu? While researching I came across multiple possible solutions: autofs, fstab, automount. Any best practices worth sharing?
vossmalte
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kernel: dmi: Firmware registration failed on VPS

I'm running Ubuntu 16.04.4 LTS (GNU/Linux 4.8.0-58-generic x86_64) on a KVM VPS server. Can anyone tell me the meaning of these two lines in my journal? Apr 01 05:42:34 vps1 kernel: dmi: Firmware registration failed. Apr 01 05:42:35 vps1…
MountainX
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How can I determine which kernel module is responsible for a specific connection showing in NetHogs?

I currently rent a dedicated server from OVH, and I was looking at nethogs to see how much connection capacity a specific process was using. I ended up, however, finding a slew of processes there that I did not authorize that are communicating with…
john01dav
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Setting up php7.0-fpm + Apache and multi-user pools: Only 1 site works

I am using Ubuntu 16.04, Apache 2.4.29 and php7.0-fpm. I am trying to create separate pools for multiple users and websites, so that they run under a separate user and each site is protected in case one is hacked. I followed the instructions of a…
peppy
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NodeJS ExpressJS Networking Domain on Apache WebServer

I come from the LAMP world so I am a bit confused on how to serve an ExpressJS application from my webserver. I have multiple Apache virtualhosts that all point to various directories and specify various domain names. They all have configuration…
Summer Developer
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KVM on a VPS Ubuntu 16.04 LTS (headless) libvirt-sock: No such file

I am trying to create a KVM server on a (remotely hosted) VPS (Ubuntu 16.04 LTS). I have installed these packages sudo apt-get install kvm ubuntu-vm-builder libvirt-bin bridge-utils sudo egrep '(vmx|svm)' --color=always /proc/cpuinfo This does…
Maxim
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VSFTPD TLS and explicit mode

I'm currently trying to set-up VSFTPD on an ubuntu 16.04 server and I want to use FTPS (Ideally I would use SFTP but unfortunately I'm constrained by a legacy system) I've managed to set it up using the default config and no TLS and I can connect…
TommyBs
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Redis Sentinel Systemd services failing to start on Ubuntu 16.04 and CentOS 7

Having trouble getting my Redis sentinel systemd services to start. I can run sentinels manually with success -- e.g.: root@poolwc:/etc/redis# redis-sentinel ./sentinel.conf --sentinel Three redis servers at 10.9.8.1, .2, .3 .2 and .3 are slaves to…
Joenarr Bronarsson
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MySQL dump is very slow on google cloud platform

I have a dump with: SET unique_checks=0; SET foreign_key_checks=0; SET autocommit=0; I import it with mysql < file.sql command and it takes a lot of time - I can't wait until it's finished. It takes ~90 seconds to restore this dump on Hetzner…
Dmitry
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Does disk space required in compute node when launch instance from block storage?

Does disk space required in compute node when launch instance from block storage? My setup is like 1 controller, 3 compute(each 50GB disk) and 1 cinder storage.. I'm lunching instance from cinder volume. While launching instance does it check disk…
Pandiarajan S
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Run two cron jobs in sync

I would like to run cron job A every 3 minutes, and cron job B every 5 minutes. But I would like job A to always run 3 minutes before job B. How would I accomplish this?
Gaia
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FreeIPA or similar with encrypted home for ubuntu?

I am new to sys-admin work. My objective is to setup a couple of computers with Ubuntu 16.04 which satisfy two objectives: home folders encrypted central authentication management Currently I am encrypting all home-folders with ecryptfs-utils.…
P.R.
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