Questions tagged [ubuntu]

Ubuntu Linux is a Debian derivative that aims to bring Linux mainstream. Questions on this site should generally refer to Ubuntu Server. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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Kubernetes OCI runtime exec failed - starting container process caused “exec: \”etcdctl\“: executable file not found in $PATH”: unknown

Background Created a fresh Kubernetes cluster using kubeadm init --config /home/kube/kubeadmn-config.yaml --upload-certs and then joining the 2nd control plane node by running the below. kubeadm join ...
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cannot shh into lxc container even after changing config file

I am using Ubuntu 18.04. I have created an lxc-container called ctn and can log into it by using lxc-attach, ending up as the root user. When running the following with the ip shown by running lxc-ls: ...
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Virtual storage drive will not mount on virtual machine, read only error

I am running a Ubuntu 18.04 server with kimchi/wok. I use it to run an influx database. Yesterday I noticed my database was not recording data. I tried rebooting my virtual server which uses a ...
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How to configure Multiple Sites using Ubuntu + Apache with the same IP on different physical servers?

I have two Moodle sites. An old one and a new one. Each of them on Ubuntu Server with Apache on different physical servers. Is it possible to make them work using the same ip and domain name with ...
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Can openjdk run more than 4 threads simultaneously on a 8 core system? [closed]

Dears, I've asked the same question on unix.stackexchange and StackOverflow as well: Can the openjdk 8 (on ubuntu) run more than 4 threads (i.e.: use the 8 cores available) on a system? (sorry for the ...
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How to route traffic from one Wireguard network to another Wireguard network?

I have been using my own setup Wireguard VPN with AdGuard DNS on Vultr. Recently I want to use Mullvad VPN to add some anonymity, but keep using my own AdGuard DNS. My PC or phones connect to ...
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NGINX rtmp to hls setup with video.js buffering

I am trying to setup a streaming server for a local school that runs on their local network. I setup Ubuntu 18.04 on a virtual machine and gave it it's own dedicated 1 Gigabit connection on the server....
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Is there any way to understand what type of server downtime I am facing?

I have a remote server with no physical attendance 24x7. But sometimes I have faced a downtime due to either network related issues or power outages. But because I am sitting afar from my server I am ...
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Wget- Skip hosts that are down

I'm using wget to bulk download a website, and it grabs files from other servers, however, some hosts are down. All wget does is just hang there, so I'd like it to just skip these websites. Is there ...
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PHP Warning: Module 'apc' already loaded in Unknown on line 0 - Ubuntu/Nextcloud

I am seeing the following error when viewing the logs on my Ubuntu 18.04 server: PHP Warning: Module 'apc' already loaded in Unknown on line 0 How can I begin troubleshooting this? I am running php ...
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Mysql error when I update or try to install any package

Hi I keep getting this error while trying to either configure or even remove mysql-server-8.0 and cant seem to find anything online to help. Even when I do sudo apt autoremove -y I keep getting this ...
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Invalid cross-device link when attempting to run ‘sudo apt-get -f install’

When I attempt to run sudo apt-get -f install I get the this: Preparing to unpack .../libpython3.4-stdlib_3.4.3-1ubuntu1~14.04.7_amd64.deb ... Unpacking libpython3.4-stdlib:amd64 (3.4.3-1ubuntu1~14.04....
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Ubuntu samba shared folder is accessible from outside despite defined interfaces

My problem is that my samba shared folder is still accessible from outside local network despite I defined interfaces and bind interfaces only. I would like to secure the shared folder to be ...
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SSHClient staying open after server closed connection

I have a bash script that connects via ssh to a server, sudo's to a different user, backs up a postgresql db then copies the backup to a new name. The problem is on a large database (this one is ...
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How to Route Local Traffic through specific Interface

i have one Raspbian and one Ubuntu "Server" where i want to use a VPN with. The VPN is Wireguard with following config file. PrivateKey = xxx Address = 10.69.59.59/32,fc00:bbbb:bbbb:bb01::6:...

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