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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Unable to install nginx-module-image-filter

I'm running an Ubuntu 20.04 server and got an error while trying to run apt install nginx-module-image-filter: The following packages have unmet dependencies: nginx-module-image-filter : Depends: nginx-r1.18.0 Running nginx -v: nginx version:…
Omid Amraei
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Mailcow Postfix & MIMEDefang integration

I am running an Ubuntu 20.04 server. I have installed mailcow: dockerized as shown in their documentation which includes Postfix among other tools. The mail server itself works without a problem, but I wanted to change large attachtments with links,…
decacis
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Postfix fails on incoming SMTP from remote MTAs for local delivery

I am transferring MTA to newer servers running Ubuntu 20.04 LTS. SMTPS is working well thus permitting clients to send mails after authentication. However, when sending mails from remote MTAs for local delivery postfix is failing due to fatal: no…
Thomas Urban
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nginx redirect to domain when user enters IP address

I have several domains configured for my websites on my VPS. What I want to achieve is: If a user enters the IP address of my VPS directly on his/her browser, like this: https://X.X.X.X, I want it to redirect to one of my websites. I was able to…
Mervin Hemaraju
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Kubernetes - Controller-manager and Scheduler is not listening on ports 10251-10252

I have installed kubernetes using kubeadm tool and has version 1.20.0 but it seems that the controller-manager and scheduler is not listening on 10251 and 10252 ports. due to this prometheus is unable to etch the metrics from both of them. I tried…
Vipin Jain
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ubuntu ignores default_ccache_name

I'm having trouble with Kerberos and Ubuntu 20.04. Im running a FreeIPA Server, but since it works on my Centos machines, I guess it's a client issue. The big goal is to have a SSO System, for multiple services. Mostly it works as intended, but one…
Poehli
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dmesg flooded with "ataXX.00: failed to IDENTIFY" for mystery drive

My dmesg is flooded with the following every ~second (note, the following repeat forever; but the exact sequence appears to vary): ata15.00: failed to IDENTIFY (I/O error, err_mask=0x100) ata15: limiting SATA link speed to 1.5 Gbps ata15: SATA link…
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Impossible to disable TLS 1.0 and 1.1

I spent hours trying every single methods found on Internet, without success. The server is on Ubuntu 20.04 with Apache behind CloudFlare, no certbot, no letsencrypt. I added SSLProtocol TLSv1.2 +TLSv1.3 -TLSv1 -TLSv1.1 (and many other versions) on…
Shadoweb
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Application service available through single domain using Nginx

I have a server on Digital Ocean, and I am using this to deploy multiple docker containers and using reverse proxies to host them on Nginx. I have 2 domains linked to my server (Single Public IP). Let's name them domain1.com and domain2.com Now I…
Mervin Hemaraju
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Multiple CSGO servers with each a unique IP assigning to one domain

I got some CSGO servers up and running using LGSM. I am trying to assign a sub domain (s1, s2, s3 etc.) to each gameserver but only s1.domain.com can be found in the Serverlist. To achieve this each gameserver should have a unique IP address so s2…
chup
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Nginx/Apache2 serves content to IP address but not to domain name, using Hetzner

I've tried this with both apache and nginx servers (separately, not at the same time). Both default servers have served content properly to the IP address but not to the domain name "b-t.dev". This applies both for the default "nginx/apache server…
Karoh
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php-fpm Detected unsafe path transition error message. How?

I know very little about linux/ubuntu, but I needed it for a webserver I am wanting to run. I got everything setup and running nice and I have been getting this for some time now. Every time I attempt to install something using apt, I get this…
alexander7567
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Problems with SSL: server certificate is a CA certificate

I have a self-hosted lubuntu server on my LAN which has some services useful for my net (a wordpress in /var/www/html, an owncloud, and a flask app). The problem is that some days ago I installed a self signed ssl certificate which worked perfectly…
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Why do I get an error when pinging a windows computer by HOSTNAME from Linux Unbutu 20.04?

I have a Hyper-V Linx Ubuntu 20.04 VM I'm trying to ping a windows box in my domain via it's HOSTHAME. I've followed some threads with this suggested fix: sudo apt-get install libnss-winbind I then updated /etc/nsswitch.conf to contain the…
JohnB
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Nginx: Proxy requests to external server during DNS transition

I am migrating a site to a new location with another ip address. To smooth the transition for users and avoid as much downtime as possible, I plan to change DNS and then proxy requests from the old to the new server. But my proxy test in nginx is…
Jette
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