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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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ubuntu-18.04.1 missing install/netboot/

I'm working on setting up PXE boot server and while following some online instructions to mount the ISO and copy over everything under /mnt/install/netboot/, I noticed that a mount of ubuntu-18.04.1.0-live-server-amd64.iso is missing the…
Alby
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Apache and MySQL processes running at 100% CPU

I have a production server that's usually very stable, and has been for a very long time. Last night, it suddenly started showing very high loads (150+). Deactivating Apache will decrease the load immediately. Here's the output of top, shortly…
fred2
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Certbot renew running but not renewing

I've installed certbot on an Ubuntu 16.04 host using the PPA. I can see that the certbot timer is configured to run and that it's running: jaraco@punisher:~$ sudo systemctl status certbot ● certbot.service - Certbot Loaded: loaded…
Jason R. Coombs
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Restricting user access to a subset of binaries

I checked rbash and chroot jail, which doesn't have permission to read /var/log. Scenario: ssh user should only able to cd to a directory and do less for files. eg: ssh user@server.com cd /var/log less application.log In short an user with global…
Rajesh Rajendran
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Why can't I access my FTP server with Windows Explorer?

I have an instance running Ubuntu 16.0.4 LTS on Google Compute Engine with port 21 open to it. I have installed vsftpd on it, added a user for the FTP service, and set the directory permissions to full access for the user. I am able to connect to…
Todd Petersen
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WWW::Mechanize Perl module won't install on server

I'm trying to work out why a Perl module won't install on my server. cpanm WWW::Mechanize It processes stuff for ages, and then eventually dies with: root@admin:~# cpanm WWW::Mechanize --> Working on WWW::Mechanize Fetching…
Andrew Newby
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IP change to Domain Name in Ubuntu

I am currently setting up Magento 2.2 for the company I am working with. I set up most of the things and installed the Magento package on the IP Host. I can access it and it kind of works fine until I go to the admin console. I found out this is…
Moddy
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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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Postfix email server not receiving email from external email

I'm trying to set up a mail server on Ubuntu 16.04.5 LTS with Postfix and Dovecot. I can send out email without any problem and mail sent from localhost also finds its way into the inbox. However, email sent from outside (say, Gmail) is not showing…
Mauri
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How to set an olcAccess attribute so gidNumber=0+uidNumber=0 works like olcRootDN?

I'm upgrading a Ubuntu 14.04 OpenLDAP server to 16.04 and running into a snag. There is an (localhost) import script which uses uses ldapdelete -r -Y EXTERNAL -H ldapi:///... to remove some OUs and then re-populate them with new information. This is…
Server Fault
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Adding IP address to existing network interfaces in Ubuntu

I'd like to add a new IP address to an existing interface on an Ubuntu 16.04 LTS server. I've looked at the file /etc/network/interfaces which defines the current IP addresses/interfaces and it has the following line at the top: source…
pwaring
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Does ntpd need to be enabled on Ubuntu 16.04

I recently noticed people attempting to ntpd reflection attacks on my server. So my questions are, how necessary is it that ntpd stays enabled, and how can I enable and disable it?
saladCracker
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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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MAAS install CA to new machines

How could we add custom trusted Certificate Authority to the new deployed ubuntu 16.04 machines on MAAS v2.3 ? is there a direct way to do that, or we have to perform custom installation nodes ?
Michael Eino
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Redis not starting on boot with systemd but works with manual start

I have installed redis on Ubuntu 16.04 according to the digialtocean guide. It uses systemd and should start on boot. I can start redis from cli sudo systemctl start redis and it works with no error or issue. However when I reboot, redis fails to…
beginner_
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