Fixing Slow Linux Boot

Fixing Slow Linux Boot with `systemd-analyze`

If your Linux system boots slowly, use systemd-analyze to find the cause and disable unneeded services.

Analyze boot times:
```
systemd-analyze blame
```
This shows all services and how long each took to start.
Disable unnecessary services:
```
sudo systemctl disable --now <service-name>
```
Use disable to stop a service from starting at boot and --now to stop it immediately. If a service must never start, consider sudo systemctl mask <service-name>.

Warning: Do not disable essential services (e.g., networking, sshd on remote servers, or hardware-critical services).
Check dependency chains (optional):
```
systemd-analyze critical-chain
```
This displays services that block or delay the boot due to dependencies.

Re-run systemd-analyze blame after changes to verify improvements.
When unsure about a service, search its purpose or test by stopping it temporarily before disabling.