Delete LVM and anything related to it
user asked: I want to delete /dev/sdb disk from the server. Before doing that I guess I should remove lvm and anything related to it. I don’t care about /dev/sdb1 …
Cockpit-Machines Guest Machines configuration location
Irvin H. asked: I’ve installed Cockpit and cockpit-machines to manage KVM virtual machines. I tried installing Lubuntu through cockpit but it fails with an error: ERROR unsupported configuration: CPU mode …
Who listens to the port
hedgehogues asked: I have a conflict between the mail server and one more service. netstat -ltnp | grep -w ‘: 25’ Conclusion: (Not all processes could be identified, non-owned process …
sublime text 3 certificate verification failed
Henry asked: I was following the official instruction to install Sublime text 3 but get errors shown as below when I do sudo apt-get update: Ign:10 https://download.sublimetext.com apt/stable/ InRelease Hit:12 …
Configure Exim to work with IPv6 and G Suite
Tom asked: I am planning to enable IPv6 on some servers that use Exim only to send emails. Do I need to do any special configuration in Exim when enabling …
Cannot reset MySQL server password even uninstalling everything
user1532587 asked: i’m struggling with a shiny new ubuntu server. My MySQL root password is not working and I cannot change it. What I’ve tried: sudo service mysql stop sudo …
gzip softlocks every midnight during nginx log rotation, causes kernel panic
Érik Desjardins asked: Some of our servers run on Ubuntu 18.10. They host a few Node.JS services receiving TCP connections as upstream from nginx, as well as a websocket implementation …
sendmail command executes without error but not actually sending mails
Avik Aggarwal asked: I am trying to send emails from my ubuntu server using sendmail command. I ran command echo “Subject: Sendmail test” | sendmail -v <My_Id>, which ran without …
How to use ssh tags on ssh_config
Alvaro Torijano asked: Hi i’m wondering how to use a previously defined tag in my ssh_config file which looks like this Host myhost Hostname myhost.ddns.net Match user jhonfoo host myhost …
Difficulty in assigning resources to KVM virtual machines leading to extremely sluggish performance on VM
cuxcrider asked: Physical Server Setup: OS: Ubuntu 16.04 RAM: 384GB CPU: Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz with 2 sockets, 8 cores per socket, and 2 threads per core, …