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.

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Single SAN with ocfs2 and gfs2

I have a single SAN with two virtual drives. (i.e., they are separate mounts, but they are mapped to the same IP address) For example, if I do ls /dev/disk/by-path/, I see this: ip-172.16.100.5:3260-iscsi-iqn.[all…
Ray
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systemd service starts ok, but hangs after restart

I am having a weird problem, I have set up a custom systemd service running a dotnet project. When the system first starts up, the service also starts just fine, however when I restart it, it hangs. System is Ubuntu 20.04 on Azure. Here's the…
Aviad P.
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Unable to change owner and group of Nginx error_log and access_log

Unable to change owner and group of Nginx error_log and access_log I want to change the owner and group of nginx's error_log and access_log straight away from nginx (not manually using chgrp and chown). While keeping nginx running as root so that it…
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iSCSI separation from Ethernet via VLAN

I've set up a small cluster of a few servers along with a SAN. The servers are running Ubuntu 20.04 LTS. Using instructions provided by the vendor (I can't find where I read it before), they suggested that the iSCSI connections between the SAN and…
Ray
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Could not able to connect to SSH after upgrade the Linux

Error : enter image description here SSH/SFTP : /bin/bash no such a file or directory I have server hosted on digital ocean, I have upgrade the Linux to version 20.0, everything works fine, even my website is also running fine but I couldn't able…
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Why does mailutils no longer contain Postfix on Ubuntu 20.04?

I am trying to install postfix on ubuntu 20.04 but the postfix config screen does not start and there is no error message: user@leo:~$ sudo apt-get install mailutils Reading package lists... Done Building dependency tree Reading state…
merlin
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ssh-keyscan to known_hosts produces no results

When I execute: ssh-keyscan -H 172.22.56.2 I get the following output: # 172.22.56.2:22 SSH-2.0-RomSShell_4.31 # 172.22.56.2:22 SSH-2.0-RomSShell_4.31 # 172.22.56.2:22 SSH-2.0-RomSShell_4.31 # 172.22.56.2:22 SSH-2.0-RomSShell_4.31 # 172.22.56.2:22…
A L
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After upgrade from MongoDB 4.x to 5.0.2 shows Connection Refused trying to connect BD from Private Network

I have upgraded my MongoDB from 4.x to 5.0.2 into a Ubuntu 20.04 system. This server is an AWS EC2 Instance. After upgrade I can't connect my applications from other ec2 instances using the same Network (private network), but I can connect using my…
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Cannot add extra ip addresses on Ubuntu 20.04. using netplan

My servers has 10.20.10.100 ip address on eno1 interface. I can successfully add temporarily ip address 10.20.50.60 (or any else). When I try to add permanently using netplan I cannot connect to server anymore using it original ip address. Content…
iWizard
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Easiest/best way to only allow certain IP ranges for access

I'm looking for the easiest/best way to only certain IP ranges to access my Ubuntu 20.04 installation. I would mainly like this so I can block web traffic (apache), but a full server block would be best. I realize that a hardware option is best for…
blur
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Cannot enable OpenLDAP memberOf of Ubuntu 20.04

I've spent the last few days following multiple how to guides to create an LDAP server with memberOf enabled, on a fully updated clean install of Ubuntu Server 20.04.2, purging between each attempt. Most recently I've tried using the Perl Module…
Joe P
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Linux make file executable inside service

I do have service looking like this: [Unit] Description=API environment service [Service] WorkingDirectory=/var/www/api ExecStart=/var/www/api/api Restart=always # Restart service after 10 seconds if the dotnet service…
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Docker error - "cannot open path of the current working directory: Permission denied"

I'm currently learning Docker and just migrated to an Ubuntu 20.04.2 VM running in VMware workstation player as my Raspberry Pi 2 running Debian 9 has kicked the bucket. Seems Docker requires some special permissions in Ubuntu and I'm baffled as to…
John Heyer
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NGINX https not working after I set it up?

I solved it, see my answer below! So I just used certbot to generate an nginx certificate however https:// on my domain doesn't work. It gives me a 403 forbidden error. SSL Configuration: server { listen 443 ssl; ssl on; …
SirStopIt
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Cannot get Postfix Address Rewrite to work; Diagnostic tool fails

I am setting up a VPS with Ubuntu 20.04 to host a phpBB board, say "myvps.myserviceprovider.com", to which "mydomain.net" is assigned. I also have defined the MX record for my domain to permit Google Workspace to host the email account…