How do I troubleshoot a slow Linux server?

What do I do if Linux server is slow?

Limit the amount of memory the app is using (for example, on a web server, limit the number of processes available to serve requests) until the condition abates, or add more memory to the server. App is slow because the server is doing lots of I/O. Look for high values of IO/bi and IO/bo, and CPU/wa.

How do I troubleshoot Linux server performance issues?

Performance problems are caused by bottlenecks in one or more hardware subsystems, depending on the profile of resource usage on your system. Some elements to consider (in roughly sorted order):

Troubleshooting performance issues in Linux

  1. buggy software.
  2. disk usage.
  3. memory usage.
  4. CPU cycles.
  5. network bandwidth.

How would you troubleshoot a slow server?

Slow Website Troubleshooting Checklist

  1. Clean up your website’s code. Remove unnecessary elements such as white spaces, comments and inline spacing.
  2. Check your PHP version. …
  3. MySQL Server: Find slow-executing queries. …
  4. Analyze slow website content. …
  5. Speed up your site performance. …
  6. Check your content.

What can cause a server to run slow?

Now, let’s look at the three biggest causes of server slowdown: CPU, RAM, and disk I/O. CPU usage can cause overall slowness on the host, and difficulty completing tasks in a timely fashion.

How can I speed up my server?

How to optimize and speed up your server by more than 20%

  1. Enable caching. …
  2. Setup a fast reverse proxy. …
  3. Choose the right application server. …
  4. Fine tune your web server. …
  5. Turn on HTTP/2. …
  6. Defragment your database tables & optimize server settings. …
  7. Fix your DNS query speed. …
  8. Trim down your site’s critical rendering path.

Why my Linux is so slow?

Your Linux computer could be running slow for any one of the following reasons: Unnecessary services started at boot time by systemd (or whatever init system you’re using) High resource usage from multiple heavy-use applications being open. Some kind of hardware malfunction or misconfiguration.

How do I check server performance issues?

Troubleshoot server performance problems

  1. Check the server type and ensure that it has the necessary CPU and RAM resources to meet your application requirements and user load.
  2. Check if your application is using a cache. …
  3. Check if there are any cron jobs running on the server and consuming resources.

How do you find the performance issue?

If you suspect your employees’ performance is becoming an issue, here are some ways to identify potential problems in the workplace.

  1. Examine Past Mistakes. …
  2. Take Note of Employee Absences. …
  3. Evaluate Employee Engagement. …
  4. Make Punctuality a Priority. …
  5. Get Help Finding High-Performing Employees.

How do I troubleshoot a Linux system?

General Troubleshooting in Linux

  1. Getting ram information. cat /proc/meminfo. …
  2. Getting cpu info. …
  3. Check the temperature of your CPU. …
  4. List PCI and USB devices. …
  5. Check out how much hard drive space is left. …
  6. See what hard drives are currently detected. …
  7. Packages. …
  8. Kill a process.

How do you troubleshoot website issues?

General Website Troubleshooting Steps

  1. Refresh the page. …
  2. Make sure JavaScript is enabled. …
  3. Make sure Cookies are enabled. …
  4. Clear your cache and cookies. …
  5. Make sure your web browser is up to date. …
  6. Restart your web browser. …
  7. Try a different web browser.

Why is my site so slow?

Slow site speeds can result from network congestion, bandwidth throttling and restrictions, data discrimination and filtering, or content filtering. If you notice slow speeds when visiting your site, you can run a traceroute between your computer and your website to test the connection.

How can you tell if a website is slow?

Visit https://www.webpagetest.org. Enter the URL of the page you want to test (this can be your homepage, or your website’s main donation page—Benchmarks includes data for both). Choose “Virginia – EC2 (Chrome,Firefox,Opera)” as the Test Location. Choose “Chrome” as the browser.

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