Steps Purchase this yubico key (YubiKey 5 NFC): https://support.yubico.com/hc/en-us/articles/360013656980-YubiKey-5-NFC Follow this article first: https://support.yubico.com/hc/en-us/articles/360016649039-Enabling-the-Yubico-PPA-on-Ubuntu The OS I installed on was Ubuntu 21.04 # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 21.04 Release: 21.04 Codename: hirsute Next, this article: https://support.yubico.com/hc/en-us/articles/360016649099-Ubuntu-Linux-Login..

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https://support.surfshark.com/hc/en-us/articles/360017418334-How-to-set-up-Surfshark-VPN-on-Linux- Useful Commands Start VPN # sudo surfshark-vpn Use this command to print all Surfshark commands in the terminal: # surfshark-vpn help Check your connectivity status: # surfshark-vpn status Disconnect from Surfshark VPN: # sudo surfshark-vpn down Quick-connect to your Optimal location: # sudo surfshark-vpn attack To log out of the client: # sudo surfshark-vpn ..

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The zpool site https://openzfs.github.io/openzfs-docs/Getting%20Started/RHEL%20and%20CentOS.html# Fixing some zpool errors “ZFS on Linux”: The ZFS modules are not loaded. Try running ‘/sbin/modprobe zfs’ as root to ..

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This error show up in Exim mail logs when trying to send email from cpanel email: 2021-01-19 21:38:46 failed to expand “${lookup{$domain}cdb{/etc/domain_secondary_mx_ips.cdb}}” while checking a list: lookup of “test.com” gave DEFER: cdb: corrupt cdb file /etc/domain_secondary_mx_ips.cdb (too short). Issue: The issue was occurring due to corruption in the /etc/domain_ secondary_mx_ips.cdb file. Check for an extra ..

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Install Brave Browser on Ubuntu, MintDebian 9+, Ubuntu 14.04+ and Mint 17+ If you get gnutls_handshake() errors after adding the Brave repository on Debian 9, you may need to uninstall old conflicting packages. # sudo apt install apt-transport-https curl gnupg # curl -s https://brave-browser-apt-release.s3.brave.com/brave-core.asc | sudo apt-key –keyring /etc/apt/trusted.gpg.d/brave-browser-release.gpg add – # echo “deb [arch=amd64] ..

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Installation https://pve.proxmox.com/wiki/Installation How to manage USB devices https://pve.proxmox.com/wiki/USB_Devices_in_Virtual_Machines Command Line tools https://pve.proxmox.com/wiki/Command_..

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I reciently install proxmox on Debian and the install failed. Here is the error: apt-get update Hit:1 http://download.proxmox.com/debian/pve buster InRelease Hit:2 http://security.debian.org/debian-security buster/updates InRelease Hit:3 http://deb.debian.org/debian buster InRelease Hit:4 http://deb.debian.org/debian buster-updates InRelease Reading package lists… Done root@px1:~# apt dist-upgrade Reading package lists… Done Building dependency tree Reading state information… Done Calculating upgrade… Done 0 upgraded, ..

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