I have a Hardware RAID10 setup at home for my home server. I run a Plex Media server and a Nextcloud cloud server for my family at home. My concern is, that when I am downloading a movie (heavy disk write operation) I can't watch movies (heavy read operation) simultaneously. Is there a way to op...

I am writing a go program that requires the signal strength of the network. I wanted assistance on writing the terminal command "iw wlan0 scan | egrep 'SSID|signal'" in go using exec.Command() function thank you..

I'm constantly having to stop Apache2 from running on port 80. I have done everything I can think of: sudo update-rc.d apache2 disable sudo update-rc.d -f apache2 remove sudo apt remove apache2.* However, whenever I reboot my computer Apache2 somehow starts up on port 80 again and the "Apac...

I have found various ways of creating a bootable USB flash drive for (L)ubuntu and Debian. https://askubuntu.com/a/377561 says to create a bootable Ubuntu USB flash drive from terminal, run sudo dd bs=4M if=path/to/input.iso of=/dev/sd<?> conv=fdatasync status=progress https://www.debian.org...

seeing this when executing sudo from inside a docker container (ubuntu 18.04) when parent host is ubuntu 20.04 sudo -i sudo: setrlimit(RLIMIT_CORE): Operation not permitted root@devops:~#

I have a windows 2012R2 and NFS server, and Ubuntu 18 on the client side configured by following this link They are in the same network. As root , I am able to mount properly the NFS in Linux. But as a regular user I get a ‘permission denied ‘ message. Even if I try to write a file to the previo...

I ma newbee for nagios I have set up nagios 4.4.5 for Ubuntu 18.04. According to this text https://tecadmin.net/install-nagios-monitoring-server-on-ubuntu/ I can successfully show the top page of nagios. Now I want to step next. I want to check another host. I made the file here /usr/local...

I have recently bought a Raspberry Pi 4B 4GB and installed Ubuntu 19.10 on it. Yesterday, I finally got everything to work but one thing: Audio while using remote desktop. The audio will play, but only on the Pi and not on the Windows 10 client. I found this script: http://c-nergy.be/blog/?p=140...

apt-get install pulseaudio Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or bee...

I want to be able to disable the screenshot utility while a bash script is running. I'm running Ubuntu 18.04. I'm guessing that it would require a simple if statement, and then to kill the process if the screenshot function is executed... and perhaps echo "Taking screenshots isn't allowed while t...

I was following this guide to set up an ssh key: https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-on-ubuntu-1804 However, after completing I realized I had made a mistake. However, I had already changed PasswordAuthentication yes to PasswordAuthentication no in the /etc/ss...

Another user and I are both using the same Ubuntu machine. They created an SSH key and disabled password authentification. Now I can no longer ssh into my user account on the Ubuntu machine. He saved what the out of the ssh-keygen command gave him. Is there a way I can use a screenshot image of t...