How do you troubleshoot a process in Linux?

What is troubleshoot process?

Troubleshooting is a form of problem solving, often applied to repair failed products or processes on a machine or a system. … The problem is initially described as symptoms of malfunction, and troubleshooting is the process of determining and remedying the causes of these symptoms.

How do you check what process is doing in Linux?

Check running process in Linux

  1. Open the terminal window on Linux.
  2. For remote Linux server use the ssh command for log in purpose.
  3. Type the ps aux command to see all running process in Linux.
  4. Alternatively, you can issue the top command or htop command to view running process in Linux.

How do you troubleshoot a system?

9.2 General Steps to Troubleshoot an Issue

  1. Identify the symptom: Identify the Type of Issue. Find the problem area. …
  2. Eliminate non-issues: Make sure the correct patches, drivers, and operating systems are installed. …
  3. Find the cause: Check for typical causes in the area. …
  4. Find the fix: Find a possible workaround.

How do you troubleshoot an application?

Eleven Tips for Troubleshooting Software

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

What are the 6 steps of troubleshooting?

The six steps of troubleshooting.

  1. Identify the problem. …
  2. Establish a theory of probable cause. …
  3. Test probable cause theory to determine actual cause. …
  4. Establish an action plan and execute the plan. …
  5. Verify full system functionality. …
  6. Document the process.

What are the 7 troubleshooting steps?

The steps are: identify the problem, establish a theory of probable cause, test the theory, establish a plan (including any effects of the plan), implement the plan, verify full system functionality, and—as a final step—document everything.

How do I start a process in Linux?

Starting a process

The easiest way to start a process is to type its name at the command line and press Enter. If you want to start an Nginx web server, type nginx. Perhaps you just want to check the version.

What are examples of troubleshooting?

Basic troubleshooting guide

  • My computer freezes or is behaving strangely. Try restarting your computer. …
  • My computer doesn’t power up. …
  • Nothing appears on the monitor. …
  • Non-system disk or disk error at boot. …
  • Keyboard/mouse does not work.

What is the most effective way to troubleshoot a problem?

The trick for effective troubleshooting is to identify and report in detail on the root cause so that the problem does not crop up again. If you’re under a time crunch and can only make the symptom go away to meet a deadline, make sure you report that you have not identified the root cause and the fix is temporary.

What are the tools for troubleshooting?

Network Troubleshooting Tools Every IT Pro Should Know

  1. Ping. The most commonly used network tool when network troubleshooting is the ping utility. …
  2. Tracert/traceroute. …
  3. Ipconfig/ifconfig. …
  4. Nslookup. …
  5. Netstat. …
  6. PuTTY/Tera Term. …
  7. Subnet and IP Calculator. …
  8. Speedtest.net/pingtest.net.
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