Monthly Hostinger VPS Troubleshooting

I run several sites on a Hostinger VPS and need someone who can step in each month to keep the server running smoothly whenever something breaks. The main help I’m after is hands-on troubleshooting and issue resolution—software crashes or odd errors are what crop up most often... (Budget: $30 - $250 CAD, Jobs: Apache, Linux, Nginx, System Administration, Technical Support, Troubleshooting, Ubuntu, Web Hosting)