Questions tagged [ubuntu-20.04]

Ubuntu 20.04, named "Focal Fossa" is a Long Term Support release of Ubuntu Linux (released on April 23rd, 2020). Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Ubuntu Server 20.04 SSH Key Authitentication

I have a local ubuntu 20.04 server laying around for development purposes. I created a new sudo user and i cannot login without typing the password even though i already copied the rsa key to the ...
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'quiet splash' breaks default Ubuntu 20.04 boot on Server version, not on Desktop

I'm aware that the internet is packed with 'quiet splash' kernel config issues regarding the boot process on several hardware sets, which generally leads to graphics issues that can be prevented with '...
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NVMe Ubuntu Controller reset

I am running ubuntu 20.04, with the OS running on a Mushkin 500GB SATA SSD. I installed a Samsung 970 NVME 500GB into the Motherboard M.2 2280 slot (ASRock H40M Pro4). The system found the device, ...
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How to start a gnome-terminal with command from the systemd service on Ubuntu 20.04?

I wrote e service file called /etc/systemd/system/mytest.service . Then I would like to start a new terminal window with some commands that print on the new terminal console. The file mytest.service ...
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Installing Jenkins on Ubuntu tells me “Package 'jenkins' has no installation candidate”

I need to install Jenkins on Ubuntu 20.4.1. I've completed the following: apt-get -y install openjdk-8-jdk (it's Java 14.0.1) wget -q -O - http://pkg.jenkins-ci.org/debian-stable/jenkins-ci.org.key | ...
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Why is MySQL taking up all the space on my server?

I have a server with Ubuntu 20.04 LTS and MySQL 8 My system drive is normally around 11gb out of the 20gb available. For a week my database has used everything. Why is MySQL taking up all the space on ...
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xRDP fails on Ubuntu Server 20.04 in Oracle Cloud VM instance and ubuntu-desktop installed

I am running into a problem where xRDP fails to respond to any RDP requests sent to a VM instance running in OCP under Ubuntu Server 20.04 with GNOME GUI installed (via sudo tasksel install ubuntu-...
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Docker and Kubernetes installed on Ubuntu 20.04 but I cannot get the docker container to reach outside traffic

I had an Ubuntu 20.04 server which was used for CI/CD and it was using Docker on it to build and publish images. The resources were not that much requested so I decided to install Kubernetes on that ...
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Container can't reach internet on Ubuntu 20.04

I'm trying to update packages from an ubuntu container; however, updating fails and I've noticed I can't connect anywhere, am able to lookup dns names thought. I'm using nicolaka/netshoot container in ...
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Certbot — Post-Handshake New Session Ticket arrived

At the start of the negociation, Secure Renegotiation IS NOT supported occurs. During the last Session Ticket (and perhaps the one before), it seems that the SSL connection succeeded. Could you let me ...
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systemctl --user cannot start docker containers on Ubuntu 20.04

I am in the process of migrating some services from Ubuntu 18.04 to 20.04. In 18.04 I run these services under a non-root user. All these services start a docker container, and they're working just ...
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IPv6 tunneling with NetAssist: Stopped Working

I've been working with NetAssist Tunnel Broker for couple of months, and everything worked (not perfectly, but worked). Recently I have recreated my network interface for IPv6 tunneling he-ipv6 and ...
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35 views

Ubuntu 20.04 server unreachable from external world

i have an Ubuntu server where i can not access the server from external machines. I have tried to ssh to the Ubuntu machine but it seams that all requests are drooped or does not arrive. I have not ...
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50 views

QEMU Ubuntu Server 20.04 Initramfs write error

I created a QEMU virtual machine intending to install Ubuntu Server 20.04. The host is a Proxmox 6.x Debian system. The virtual machine parameters are: 2 CPU cores, 1 socket 512 MB ram, ballooning ...
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cgroup fork rejected by pids controller

Have a small server program written in C/C++ that uses nginx and Postgres, currently all are hosted on the same ubuntu system. I usually run the server program from the bash command line. Recently on ...

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