How do you troubleshoot performance issues in Linux?

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How do you troubleshoot system performance issue?

Resolve any conflicts before rebooting your computer.

Turn off your system.
Make sure the hardware is properly seated. …
Check any cables that connect to the device to make sure they are secure.
If PC Doctor is installed on your computer, it can scan and detect problems with hardware.

How do I troubleshoot Linux?

Follow the steps described here in order to troubleshoot the most common network issues with Linux cloud server.

Check your network configuration. …
Check the network configuration file. …
Check the servers DNS records. …
Test the connection both ways. …
Find out where the connection fails. …
Firewall settings. …
Host status information.

How do I troubleshoot an application problem in Linux?

Even Linux servers can go haywire some days. Here’s the first steps you should take in troubleshooting and fixing them. I’ve seen plenty of Linux servers run day in and day out for years, with nary a reboot.
…

Check the hardware! …
Define the exact problem. …
Top. …
What’s up with disk space? …
Check the logs.

How do I troubleshoot CPU usage in Linux?

The old good top command to find out Linux CPU Utilization

Top command to find out Linux cpu usage. …
Say hello to htop. …
Display the utilization of each CPU individually using mpstat. …
Report CPU utilization using the sar command. …
Task: Find out who is monopolizing or eating the CPUs. …
iostat command. …
vmstat command.

Fix login issues on websites that require a username and password

Enable cookies for the website.
Clear history for that site.
Clear all cookies and the cache.
Check add-ons.
Security application is blocking cookies.
Remove corrupt cookies file.

What are the troubleshooting strategies?

9 Troubleshooting Tactics

Identify The Desired Solution. …
Fully Understand The Problem. …
Define Metrics and. …
Document Your Troubleshooting Efforts. …
Make One Change at a Time. …
Prioritize Your Issues. …
Prioritize Potential Solutions. …
Make a Business Case for.

How do I troubleshoot memory issues in Linux?

How to troubleshoot Linux server memory issues

Process stopped unexpectedly. …
Current resource usage. …
Check if your process is at risk. …
Disable over commit. …
Add more memory to your server.

How do you troubleshoot a server issue?

Server Troubleshooting Checklist

Establish and Maintain a Standardized Troubleshooting Routine.
Start at the Bottom and Work Your Way Up.
Troubleshoot Connectivity Issues.
Troubleshoot Name Resolution Issues.
Troubleshoot Application Issues.
Troubleshoot Print Server Issues.
Troubleshoot Email Server Issues.

How do I check server performance issues?

Troubleshoot server performance problems

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

How do I find out why my Linux server is down?

How To Troubleshoot When your site is down on a Linux Server

Step 1 : Check the server status. …
Step 2 : Monitoring your server. …
Step 3 : Check the Logs. …
Step 4 : Make sure your web server is running. …
Step 5 : Verifying the Syntax of Web server. …
Step 6 : Is your Database back-end running Fine.

How do you check if Linux server is down?

First, open the terminal window and then type:

uptime command – Tell how long the Linux system has been running.
w command – Show who is logged on and what they are doing including the uptime of a Linux box.
top command – Display Linux server processes and display system Uptime in Linux too.