Health & Performance

Website Uptime Monitoring

Monitor the uptime of HTTP, HTTPS, DNS, UDP, TCP, email and more.

Website Speed Monitoring

Monitor full website performance by loading it with a real Chrome browser.

Real User Monitoring

Monitor the speed of user experience for visitors to your website.

Operations

Website Transaction Monitoring

Monitor multiple step transactions and get notified if something goes wrong.

Domain Expiration Monitoring

Monitor the expiration of your domains.

Public Status Page

Display real-time operational updates of your website to the public.

Security

SSL Certificate Monitoring

Monitor the SSL certificate of your website.

Virus Monitoring

Get alerted if your website gets infected by viruses or malware.

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Resources

Learn new things about various topics related to website monitoring, maintenance, and development.

We compare different tools and services to help you choose the best one for your needs.

Find answers to common questions about website monitoring, maintenance, and development.

Product Information

Helpful information for our customers about our updates and product news.

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Questions

Find answers to many common questions about website monitoring, maintenance, and development

How to Fix 'Username Not in the Sudoers File' Error on Linux

Published May 19, 2024 · 2 minutes read

How to Fix 'Username Not in the Sudoers File' Error on Linux

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