How do you troubleshoot and fix performance issues in Linux?

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How do you troubleshoot performance issues in Linux?

Troubleshooting performance issues in Linux. …
Common performance bottlenecks. …
Investigating performance issues. …
Using the sysstat package to get historical resource usage information. …
Troubleshooting irregular, sudden slowness. …
Analyzing disk usage with iostat. …
Memory usage.

How do you troubleshoot performance issues?

Troubleshooting Steps:

Step 1: Restart your computer regularly. …
Step 2: Run the automated tools provided in the SupportAssist tool. …
Step 3: Run a complete hardware diagnostic test. …
Step 4: Scan your computer for malware. …
Step 5: Restore your Dell computer using Windows System Restore. …
Step 6: Reinstall Microsoft Windows.

2 мар. 2021 г.

How would you troubleshoot and issue with a Linux application?

General Troubleshooting in Linux

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

9 февр. 2009 г.

How do I troubleshoot Linux?

How to troubleshoot network connectivity with Linux 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.

6 нояб. 2020 г.

Fix login issues on websites that require a username and password

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

How do I troubleshoot Linux server memory issues?

How to troubleshoot Linux server memory issues

Process stopped unexpectedly. Suddenly killed tasks are often the result of the system running out of memory, which is when the so-called Out-of-memory (OOM) killer steps in. …
Current resource usage. …
Check if your process is at risk. …
Disable over commit. …
Add more memory to your server.

6 нояб. 2020 г.

How do you troubleshoot a server issue?

Continue Reading This Article

Identify the server problem’s area of effect. …
Determine if the server itself is the problem. …
Maintain detailed records on server settings and connections. …
Communicate all work and activity with team members. …
Monitor server status comprehensively and review log data. …
Know provider SLA terms.

How do I troubleshoot SQL Server performance issues?

Start by checking your wait stats

Ensure your TempDB database is configured optimally. …
Make sure you’re running index maintenance frequently. …
Implement indexes that provide a benefit to your queries. …
Check your most expensive queries and stored procedures. …
Monitor your performance counters.

31 янв. 2018 г.

How do I troubleshoot a performance issue in Outlook?

To troubleshoot possible problems that are caused by COM add-ins or Exchange Server client extensions, disable any items that you do not use regularly. Then, restart Outlook. If that does not resolve the problem, disable the remaining add-ins one by one.

How do I know if my Linux server is crashing?

Check the Logs

When all else fails, sifting through your server logs is one of the best ways to troubleshoot any errors. Usually the files will be located in the /var/log/syslog and the /var/log/ directories.

How do you troubleshoot a system?

Eleven Tips for Troubleshooting Software

Free up RAM by closing other open programs. …
Restart the software. …
Shut down and restart your computer. …
Use the Internet to find help. …
Undo any recent hardware or software changes. …
Uninstall the software, then reinstall it. …
Look for software patches. …
Scan for viruses and malware.

27 февр. 2012 г.

What troubleshooting means?

Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Troubleshooting is needed to identify the symptoms.

How do you troubleshoot network connection problems?

How to Troubleshoot a Network

Check the hardware. When you’re beginning the troubleshooting process, check all your hardware to make sure it’s connected properly, turned on, and working. …
Use ipconfig. …
Use ping and tracert. …
Perform a DNS check. …
Contact the ISP. …
Check on virus and malware protection. …
Review database logs.

23 сент. 2019 г.

How do I find out what caused a reboot in Linux?

You can further correlate the reboot you want to diagnose with system messages. For CentOS/RHEL systems, you’ll find the logs at /var/log/messages while for Ubuntu/Debian systems, its logged at /var/log/syslog . You can simply use the tail command or your favorite text editor to filter out or find specific data.

How do I restart a Linux network?

Ubuntu / Debian

Use the following command to restart the server networking service. # sudo /etc/init.d/networking restart or # sudo /etc/init.d/networking stop # sudo /etc/init.d/networking start else # sudo systemctl restart networking.
Once this done, use the following command to check the server network status.