Server Fault Stack Exchange
Server Fault Stack Exchange

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.

Ubuntu 20.04 - named "Focal Fossa" - is a Long Term Support (LTS) release of Ubuntu Linux. Officially released on April 23rd, 2020, it will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Cloud, and Ubuntu Core. Only use this tag if your question is version-specific. Note that the Ask Ubuntu site is specifically dedicated to Ubuntu questions.

355 questions
2
votes
1 answer

Cannot SSH to second network interface in Ubuntu 20.04 on EC2

I have a VPC 10.0.0.0/16 with an Internet gateway and two subnets 10.0.100.0/24 and 10.0.200.0/24 in the same availability zone. A single security group allows tcp/22 inbound from 0.0.0.0/0 and everything outbound. I also have two network…
Micah Henning
  • 121
  • 5
2
votes
1 answer

How do I properly use flock(2) with a cron script?

I am using a crontab to execute a php script that retrieves data and writes it to a database. My crontab entry looks like: * * * * * php /path/to/file/fileName1.php * * * * * php /path/to/file/fileName2.php ... you get the point I'd like to use…
Moxtheox
  • 23
  • 2
2
votes
1 answer

Why ubuntu 20.04 cannot support mysql 5.7.33?

Today I tried to update ubuntu from 18.04 LTS to 20.04 LTS. with do-release-uprade After upgrade completed, I tried to start mysql with service mysql start The result is Job for mysql.service failed because the control process exited with error…
Tron Natthakorn
  • 21
  • 3
2
votes
1 answer

Redirecting HTTP to HTTPS without DNS or static IP

I've setup web servers in the past, but now I'm working on an embedded Linux project that is a bit different. I need the embedded Linux device to run an Apache server support DHCP not require any DNS setup (needs to basically be plug-n-play and…
mberna
  • 123
  • 3
2
votes
2 answers

Fresh Ubuntu 20 server getting wrong DHCP address

I need to setup a new Linux server on VirtualBox, I'm using Ubuntu Server 20.04 LTS and in Virtualbox my network adapter is set to bridge adapter with promiscuous mode on "allow all" First of all I permanently disabled IPV6 using this tutorial The…
Chico3001
  • 213
  • 1
  • 10
2
votes
1 answer

certbot on site tunneled to internal network HTTP site

I have a cloud server running Ubuntu 20.04, a configured domain to the cloud server, and a server in my local network serving an HTTP website. I have successfully tunneled my local network server HTTP website to my cloud server - accessible…
I like to code
  • 121
  • 3
2
votes
1 answer

Docker without sudo in Ubuntu 20.04?

I've just installed docker on Ubuntu 20.04 and noticed that docker must be run as sudo. wolf@linux:~$ docker ps Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get…
Wolf
  • 191
  • 3
  • 9
2
votes
0 answers

PHP-FPM Upgrade Problems

We've recently upgraded to PHP-FPM from CGI. We're having issues on a Ubuntu server which just runs Apache and PHP-FPM controlling 5 or so sites. We've built a new server with a fresh install of Ubuntu to do this. Our problem is that at intervals…
James
  • 21
  • 2
2
votes
3 answers

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 | apt-key add - (responds "OK") sudo sh -c 'echo…
Edward Tanguay
  • 1,139
  • 4
  • 20
  • 30
2
votes
3 answers

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 fine. Under Ubuntu 20.04 these services no longer…
ovidiu
  • 121
  • 1
  • 4
2
votes
2 answers

Fail2ban won't ban postfix/smtps/smtpd

I've got an Ubuntu 20.04 server that's receiving hundreds of SMTP AUTH requests on my postfix server every day from the same IP. I have fail2ban installed, but ironically, it is failing to ban the IP. My /etc/fail2ban/jail.local file is ('d…
Zalerinian
  • 111
  • 1
  • 5
2
votes
2 answers

High memory usage on digital ocean droplet by mysql 8

I have a laravel application which I've installed on a 1GB standard droplet running ubuntu 20.4, nginx, MySQL 8 and php 7.4 The application isn't even live yet and I notice it's already using over 60% memory - 68% Below is a snap shot of the current…
adam78
  • 119
  • 1
  • 3
2
votes
1 answer

Connecting to remote console on Dell iDRAC on R815 fails

The iDRAC's virtual console uses jnlp. I have installed: sudo apt-get install icedtea-netx Connecting to the iDRAC's webserver works using Firefox. When I click 'Launch Virtual Console' it starts the java app. The JVM then asks for a few…
Ole Tange
  • 2,836
  • 5
  • 29
  • 45
2
votes
5 answers

Accessing Ubuntu 20.04 from Mac OS Catalina: which client to use?

I have a clean install of Ubuntu 20.04 and have setup screen sharing. It gives me an URL to use to access the desktop, something like vnc://my-computer.local When I type this in a web browser on the MacBook, the browser offers to open it up in…
DatsunBing
  • 459
  • 4
  • 7
  • 17
2
votes
1 answer

Docker settings in Ubuntu 20.04

Current setup I've installed the Docker (19.03.11) on Ubuntu (20.04) based on this article: https://docs.docker.com/engine/install/ubuntu/ What would be the goal I would like to change the data-root and tls options so I search for the config…
Péter
  • 121
  • 1
  • 4
1 2
3
…
23 24