Tag: linux

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Check SSH fingerprint

đź”—Display the default fingerprint đź”—Of a key You can either use the public key or private key to obtain the fingerprint (default is SHA256 in base64). 1234$ ssh-keygen -lf ./id_ed25519256 SHA256:jISol

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Remove EXIF metadata from pictures with exiftool

When taking a photo from your phone you don't want to share your position, right? After rendering a picture from a tool like Gimp or Photoshop you want it to be as light as possible but to keep a good

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How to use ProtonVPN on Arch Linux

đź”—Install the necessary packages Install openvpn if needed: 1# pacman -S openvpn --needed To prevent DNS leakage you'll need an additional package, for more info see Arch Linux Wiki. đź”—Using systemd &

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Ruby cheat sheet with examples

Take it easy Ruby! đź”—Basic concepts đź”—Hello World 1puts "Hello World!" đź”—Comments 123456# single line comment=begin Multi-lines comment=end đź”—Variables 12my_var = 42My_constant_var = 31337 đź”—Shortha

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Snapshot for KVM via libvirt with virsh

đź”—Context I am using KVM, and use/manage my VMs with virt-manager. But I asked myself this question: how can create or revert some snapshot? I'm giving examples for qcow2 disk images and commands are