linux_CLI

Command sheet
    • xdg-open ; opens folder/directory from terminal
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    • sudo virsh net-list –all ; checks virtual machines
    • sudo systemctl enable libvirtd 
    • sudo systemctl start libvirtd 
    • sudo systemctl status libvirtd 
    • sudo usermod -G libvirt -a dt(username)
    • sudo virsh net-start default
    • sudo virsh net-autostart default
    • sudo virsh net-list –-all
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Moving VM’s to a subvolume
Shutdown libvirt and all VMs 
    • mv /var/lib/libvirt /var/lib/libvirt-old 
    • btrfs subvolume create /var/lib/libvirt 
    • mv /var/lib/libvirt-old/* /var/lib/libvirt/. 
    • rmdir /var/lib/libvirt-old1 
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    • echo "blacklist pcspkr" | sudo tee /etc/modprobe.d/nobeep.conf
        ◦ turns of blaring pc speaker
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tar -xvJf tor-browser-linux64-8.5.1_en-US.tar.xz
./start-tor-browser.desktop –register-app
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recalls last installed packages
grep -i installed /var/log/pacman.log
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Give Su a password
sudo passwd
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# Check systemd failed services
systemctl --failed

# Log files check
sudo journalctl -p 3 -xb

# Update
sudo pacman -Syu

# Yay Update
yay

#Delete Pacman Cache
sudo pacman -Scc

# Delete Yay Cache
yay -Scc

# Delete unwanted dependencies
yay -Yc

# Check Orphan packages
pacman -Qtdq

# Remove Orphan packages
sudo pacman -Rns $(pacman -Qtdq)

# Clean the Cache
rm -rf .cache/*

# Clean the journal
sudo journalctl --vacuum-time=2weeks
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sudo btrfs fi du / Note: you can make / any other mount point 
    • Scrub SubVolume Recommended running every week!
sudo btrfs scrub start / 
    • Balance Subvolume for Performance
sudo btrfs balance start -musage=50 -dusage=50 /
Note: Use the musgae and dusage filters to only balance used blocks above 50 percent utilization
sudo btrfs balance cancel / Stops running balance 
    • List Subvolumes based on mountpoint
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acii art
pipe.sh
cbonsai
fortune | cowsay -f tux
regenerate grub
sudo grub-mkconfig -o /boot/grub/grub.cfg