Keep Your Opus Host VPS Updated and Patched Safely

An unpatched server is the easiest kind of server to compromise. Ubuntu and Debian make patching straightforward: one command refreshes the package index, another installs the updates. Automating it takes a few minutes and pays off forever.

Update the package index

Refresh the list of available packages from Ubuntu or Debian’s repositories.

sudo apt update

Install available upgrades

# Upgrade all installed packages
sudo apt upgrade -y

# Upgrade and remove/add packages as needed to satisfy dependencies
sudo apt full-upgrade -y

Remove packages you no longer need

sudo apt autoremove -y
sudo apt autoclean

Check if a reboot is required

Some updates (especially kernel updates) do not take effect until you reboot.

[ -f /var/run/reboot-required ] && echo "Reboot required" || echo "No reboot needed"

If a reboot is needed, see Power Controls.

Enable automatic security updates

Install unattended-upgrades

sudo apt install unattended-upgrades -y

Enable it

sudo dpkg-reconfigure --priority=low unattended-upgrades

Select Yes when prompted.

Verify it is running

sudo systemctl status unattended-upgrades

Automatic updates handle security patches only by default. You should still run sudo apt upgrade periodically to keep everything else current.

Search for a package

apt search nginx
apt show nginx

Fix broken packages

If an update is interrupted or a package fails to install:

sudo apt --fix-broken install
sudo dpkg --configure -a

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Keep Your Opus Host VPS Updated and Patched Safely

Update the package index

Install available upgrades

Remove packages you no longer need

Check if a reboot is required

Enable automatic security updates

Search for a package

Fix broken packages

​Update the package index

​Install available upgrades

​Remove packages you no longer need

​Check if a reboot is required

​Enable automatic security updates

​Search for a package

​Fix broken packages

Update the package index

Install available upgrades

Remove packages you no longer need

Check if a reboot is required

Enable automatic security updates

Search for a package

Fix broken packages