Server Fault Stack Exchange
Server Fault Stack Exchange

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
1
vote
1 answer

Need IPTABLES rules explanation about OpenVPN set up

I've got Ubuntu 16.04 and OpenVPN installed and seems to be working fine. But when I check firewall rules using "sudo ufw status", then I see this: Status: active To Action From -- ------ …
papakota
  • 81
  • 1
  • 9
1
vote
1 answer

How to allow OpenVPN (W10) client to use DNS server (BIND9) that resides on (Ubuntu 16.04) OpenVPN server?

I have Ubuntu 16.04 (Desktop Edition) with OpenVPN server and BIND9 installed. I used a script when I installed OpenVPN. My OpenVPN client is a W10 netbook with 4G USB modem. When I choose to use Google DNS during OpenVPN installation then I can…
papakota
  • 81
  • 1
  • 9
1
vote
1 answer

Error while installing OpenSSH

Am getting an error while installing OpenSSH : Err:2 http://security.ubuntu.com/ubuntu xenial-security/main i386 openssh-server i386 1:7.2p2-4ubuntu2.7 Could not resolve 'security.ubuntu.com' E: Failed to…
GG_LX
  • 11
  • 1
1
vote
1 answer

Disabling Apache client certificate validation on a specific page

I've setup client certificate validation in apache and it's working just fine. However I'd like to disable the client certificate validation on specific page. Here's the config I use so far : # Verify client certificates SSLCACertificateFile…
NaviR
  • 50
  • 10
1
vote
1 answer

RSA key pair is not allowing me to authenticate to my backup server

I have a server that authenticates SSH through RSA key pairs. Yesterday my rsync backup worked successfully I know this because of log files: /var/log/backups_log$ ls -l total 815536 -rw-r--r-- 1 root root 139244471 Jul 26 20:02…
13aal
  • 111
  • 5
1
vote
0 answers

nvidia-smi must be run by root before it can be used by regular users

On a newly built Ubuntu 16.04 machine, running nvidia-smi fails as a regular user $ nvidia-smi NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running. Running…
hanxue
  • 1,367
  • 2
  • 11
  • 12
1
vote
1 answer

How do I know what connection pool I'm using with Tomcat?

I'm running Tomcat 7 with Apache 2.4 on Postgres 9.3 on Ubuntu 16.04 to serve a webapp. The webapp was originally written for Tomcat 5 or earlier. I'm trying to understand a memory error using this ServerFault answer. It's filled with concepts and…
PiotrChernin
  • 113
  • 4
1
vote
1 answer

Ubuntu 16.04 LTS - DHCP deliver IPv6 but not IPV4

I got a Ubuntu Server 16.04 LTs, it's a VM on a ESX (VMware). This server was in dhcp config and it worked fine until today. (I know a server should be in static address but in my case, i don't really need to be static). Today, I restarted the…
Alexandre Serrano
  • 33
  • 2
  • 8
1
vote
0 answers

How can hide full path of my webpage in Ubuntu at DigitalOcean?

Good day: I have my domain, for example: www.mydomain.cl in Digital Ocean (hosting) with Ubuntu, hosting. In this path I have my wordpress files: /var/www/html/alianzaWordpress/datos1 My 000-default.conf is: ServerAdmin…
felipe
  • 11
  • 1
1
vote
1 answer

Possible Linux page table issue/huge load average with large heap JVM that results in significant sys time in GC logs

Our service runs on AWS on m5.12xlarge nodes (48 cores, 192 G RAM) on Ubuntu 16.04. We use Java 8. For our service we allocate about 150G as max heap size. We have no swap on the node. The nature of our service is that it allocates a lot of large…
devurandom
  • 11
  • 2
1
vote
1 answer

Failed to start Raise network interfaces. Hyper-V Ubuntu Server

I run a Ubuntu virtual machine inside Hyper-V. During the launch, an error appears that failed to start networking. osis@projmngsys:~$ sudo systemctl status networking ● networking.service - Raise network interfaces Loaded: loaded…
Иван Пузырёв
  • 123
  • 1
  • 6
1
vote
2 answers

Dovecot / Postfix cannot allocate memory

i have an VPS with 8GB memory and running on Ubuntu 16.04.02 with Plesk Onyx. Since a while regularly the system crashes on dovecot and/or postfix. Dovecot version: 2.3.4.1-ubuntu16.04.19031416 Postfix version: 3.1.0-3ubuntu0.3 I can't find how to…
Ronny
  • 63
  • 7
1
vote
2 answers

Any harm in ignoring the `/var/run/reboot-required` flag?

Icinga notified us of the presence of a /var/run/reboot-required file on various servers. i.e. we were getting a SERVICE STATUS: CRITICAL file or directory /var/run/reboot-required exists message in Icinga. We duly did a reboot only to find a…
Snowcrash
  • 1,087
  • 2
  • 16
  • 19
1
vote
0 answers

HDFS NFS gateway read Input/output error

I have enabled the HDFS NFSv3 gateway on our HDFS cluster through official documentation. Everything works well except for one Ubuntu 16.04 server machine. The following is the kernel, mount and machine's sysctl -a output information. root@Linux:~$…
lordofire
  • 21
  • 3
1
vote
2 answers

Unattended-upgrades can't update itself: SIGUSR1 received, will stop

We use "unattended-upgrades" on ubuntu xenial. Since a few days "uu" can't update itself: Manual run: unattended-upgrades -d Message: ...pkg 'powermgmt-base' not in allowed origin... My…
varlog
  • 23
  • 2
  • 6
1 2 3
…
63 64