How would you troubleshoot and troubleshoot a Linux application?

How to solve an application problem in Linux?

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: Web server syntax check. …
  • Step 6: Is your database back-end working properly. …
  • Step 7: Check if your Web/App server is able to connect to the database backend.
  • Oct 12 2019 .

    How to solve an application problem?

    Eleven tips for software troubleshooting

  • Free up RAM by closing other open programs. …
  • Restart the software. …
  • Shut down and restart your computer. …
  • Use the Internet to find help. …
  • Roll back any recent hardware or software changes. …
  • Uninstall the software, then reinstall it. …
  • Check for software patches. …
  • Check for viruses and malware.
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    How to solve a disk problem in Linux?

    Fixed issue when disk is full

  • Compress the uncompressed log and other files using the gzip or bzip2 or tar command: …
  • Remove unwanted files using the rm command on a Unix-like system: …
  • Move the files to another system or an external hard drive using the rsync command:
  • 28 avril. 2016 г.

    How to solve a server problem?

    Continue reading this article

  • Identify the area of ​​effect of the server problem. …
  • Determine if the server itself is the problem. …
  • Keep detailed records of server settings and connections. …
  • Communicate all work and activities with team members. …
  • Comprehensively monitor server status and review log data. …
  • Know the terms of the supplier’s SLA.
  • How to restart a Linux network?

    Ubuntu/Debian

  • Use the following command to restart the server’s 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 done, use the following command to check the network status of the server.
  • How do you troubleshoot?

    9.2 General steps to solve a problem

  • Identify the symptom: Identify the type of problem. Find the problem area. …
  • Eliminate non-problems: Make sure the correct patches, drivers, and operating systems are installed. …
  • Find the cause: Look for typical causes in the area. …
  • Find the fix: Find a possible workaround.
  • What are the six steps in the troubleshooting process?

    CompTIA A+ | Microsoft MTA O/S: 6-Step Troubleshooting Process

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  • Identify the problem.
  • Establish a theory of probable cause. (…
  • Test the theory to determine the cause.
  • Establish an action plan to solve the problem and implement the solution.
  • Check the complete functionality of the system and, if necessary, implement preventive measures.
  • Document findings, actions and results.
  • 2 heb. 2016

    How do you solve the problem of application slowness?

    Find out how you can easily:

  • Monitor end-user experience for web applications.
  • Break down response time into network delay to server to quickly find problems.
  • Easily identify abnormal transactions.
  • Diagnose performance issues quickly.
  • Configure your own web transaction to monitor exactly what you want.
  • 14 days. 2017 .

    What are common troubleshooting steps?

    Basic troubleshooting techniques

  • Write down your steps. Once you start troubleshooting, you can write down each step you take. …
  • Take notes on error messages. If your computer gives you an error message, be sure to write down as much information as possible. …
  • Always check the cables. …
  • Restart the PC.
  • How do I know if my hard drive is failing in Linux?

    You can check the hard disk for errors using the smartctl command, which is a control and monitoring utility for SMART disks in Linux/UNIX like operating systems. smartctl controls the SMART (Self-Monitoring, Analysis and Reporting Technology) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives.

    How to allocate disk space in Linux?

    2 answers

  • Start a Terminal session by typing Ctrl+Alt+T.
  • Type gksudo gparted and press Enter.
  • Type your password in the window that appears.
  • Find the partition where Ubuntu is installed. …
  • Right-click on the partition and select Resize/Move.
  • Expand the Ubuntu partition into unallocated space.
  • Profit!
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    How to make a disk full in Linux?

    Just set seek=file_size_what_you_need and set count=0 . This will tell the system that a file exists and its size is the size you set, but the system won’t actually create it. And used in this way, you can create a file bigger than the partition size.

    Why is the server not responding?

    Because a server is a program running on a machine and, like programs, they stop responding for the same reasons: … The program itself has crashed and someone in the middle tells you it’s down. breakdown. The program is really busy with something else (CPU, RAM) and then very slow for you.

    What causes server failure?

    Why Servers Fail While servers fail for many reasons, environmental issues and improper maintenance are often the cause of failures. Conditions that favor server failure include: Too hot environment – ​​Lack of proper cooling can lead to servers overheating and damage. … Failure of a hardware or software component.

    What does problem with the server mean?

    It’s the server problem

    An internal server error is an error on the web server you are trying to access. This server is misconfigured in a way that prevents it from responding properly to what you ask it to do. Think of it as the web version of a blue screen.