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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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Server won't return some requests to single ISP

I have a Linode server that won't return random GET requests to my usual ISP (but never gets stuck with the same one each time). If I switch ISP or use Opera VPN, all works well. Linode says all looks ok to them. The server's resources are fine…
biscuitstack
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mdadm assemble ignoring --force? Raid10 minimal difference in 'Actions' between Harddisks

My server Is runnIng a 4 dIsk software raId 10 based on mdadm. EarlIer today a small power outage shut down the server and now It only boots to the InItrd emergency system (ubuntu 16.04), complaInIng about two of the four dIsks beIng 'possIbly out…
Kotwarrior
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How to monitor services with SNMP?

I want to monitor the status of several services via SNMP. The manpage says: proc NAME [MAX [MIN]] monitors the number of processes called NAME (as reported by "/bin/ps -e") running on the local system. So I added these lines to…
Sethos II
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Why can I ssh logon without key or password? How do I stop this?

I have just discovered I can log into my server as long as I provide a missing file to the ssh client! What can I check to find out why and what can I change to stop this from happening? Logging in with missing file $ ssh -i ~/.ssh/x…
G-.
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How to make disk available through ISCSI target on Ubuntu 16.04

I am trying to have some disk available to a Windows Core Server through a ISCSI on Ubuntu 16.04. I tried NFS but it is not available for Core edition and samba is not what I need. The thing is, I have disks available /dev/sdb and /dev/sdc for this…
Carobell
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Network errors when running `apt-get update` in cloud-init script

Yesterday I set up my first Autoscaling Group in AWS. I wrote a cloud-init/userdata script to install my application and I tested it ~40 times without any errors. Just before I went home it suddenly stopped working, new instances that start never…
Joshua Walsh
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Cannot remove old kernel versions on Ubuntu 16.04

I have a challenge to clean the boot drive that is 100% full. I list previous versions: dpkg -l linux-image* And will get list of 12 versions, rc linux-image-4.4.0-45-generic 4.4.0-45.66 amd64 Linux kernel image for…
Gideons
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Postfix unsupported dictionary type: mysql

Basically I follow this tutorial: https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql My problems strated with first test Postfix. postconf -m postconf: warning: /etc/postfix/dynamicmaps.cf: file is owned or writable by…
M. Wiśnicki
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how to reconfigure network on Ubuntu Server LTS 16.04 without reboot

I ask a very simple question, how to reconfigure network on Ubuntu Server LTS 16.04 without reboot ? Usaly, I edit "/etc/network/interfaces" make the changes and then run "sudo /etc/init.d/networking restart" and everything done. It works on all…
benoit974
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Why am I unable to find the pid of a nano process that has a file being edited by root?

I am trying to edit a file using nano and whenever I open the file for editing it gives me the following message: File /path/to/file is being edited (by root with nano 2.5.3. PID 12345); continue? Yet I can not find the process id in the list of…
Dark Star1
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OpenLDAP as Proxy

First, please note that I have experience with Linux, but for some reason, the OpenLDAP proxy authentication has me very confused and so I'm hoping someone can simply answer my questions to help me better understand it. I was following this…
Christian Palacios
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How to properly add syslog to observium server?

I have an Ubuntu server 16.04 where I've installed observium to monitor the server itself and this part is working fine, I can see the event logs. After that I have followed instructions on how to add syslog: http://docs.observium.org/syslog/ But…
iWizard
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Issue restarting the networking service on 16.04

I bought a new ip address for my dedicated server on Ubuntu 16.04, and I've been trying to set it up, but I just consistently run into one issue; I'm unable to restart the networking service proper, even with the original config. This is what I get…
Sefam
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How to write my /etc/host to have MySQL access available from other machines from lan

EDIT: I am trying to Mysql from a remote Host: mysql -u root -p -h 192.168.56.147 But I have this message : ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.56.147' (111) I have done this already on my target machine : iptables -I…
MouIdri
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fail to perform Incremental Backup with TAR

Environment: Ubuntu 16.04 in Azure I'm attempting to backup specific folders. I'm using a simple tar command with no compression. My objective is to keep the file for a month, adding changes incrementally once per day, then compress tar and start…
Bruce
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