If you are running Ubuntu and your system randomly crashes, you may be running out of memory. Low memory could be caused by opening more applications or data files than will fit in the memory you have installed. If that is the problem, do not open so much at one time or upgrade to more memory on your computer.
How do I find out why Ubuntu crashed?
If using a text console, you should see a trace dumped to the screen. If the system is sufficiently alive, it will also be logged to /var/log/kern. log and visible in the output from dmesg. This information shows where the crash occurred, and should be included in any problem reports.
Why does Ubuntu hang?
When everything stops working, first try Ctrl + Alt + F1 to go to a terminal, where you can likely kill X or other problem processes. If even that doesn’t work, try using holding down Alt + SysReq while pressing (slowly, with a few seconds between each) R E I S U B .
How do I fix Ubuntu 18.04 random freezes?
5 Answers
- Go to Software & Updates. Go to additional drivers tab and wait for the options to load.
- Chose Nvidia driver meta-package from nvidia-driver-304. Click apply changes and wait for the driver to install.
- You can also increase you swap space.
How do I repair Ubuntu?
The graphical way
- Insert your Ubuntu CD, reboot your computer and set it to boot from CD in the BIOS and boot into a live session. You can also use a LiveUSB if you have created one in the past.
- Install and run Boot-Repair.
- Click “Recommended Repair”.
- Now reboot your system. The usual GRUB boot menu should appear.
How do you refresh Ubuntu?
On Ubuntu Unity
Proceed as follows: Step 1) Press ALT and F2 keys simultaneously. Step 2) Enter unity command to restart Unity desktop. That’s it!
How do I know if my Linux server is crashing?
How to Diagnose Why Your Linux Server Crashed?
- Linux Process Management. Top. …
- Analyze Network Traffic. Occasionally a server crash will be triggered by issues with network traffic. …
- Check the Logs. When all else fails, sifting through your server logs is one of the best ways to troubleshoot any errors.
How do I see system issues in Ubuntu?
Apport is an ubuntu functionality which reports errors in ubuntu.
…
- sudo rm /var/crash/* will delete old crashes and stop informing you about them until some package crashes again.
- You can stop the service with sudo systemctl disable apport (and enable it again with sudo systemctl enable apport )
How can I find out why my server crashed?
Identify the Cause
The first step is to see if you can discover what happened. The most common cause of a server failure is a power failure. Storms, natural disasters, and citywide power outages can shut your server off if you don’t have a backup generator. Server overload can cause sporadic or system-wide crashes.
Does Linux ever crash?
It is also common knowledge that Linux system rarely crashes and even in the advent of it crashing, the whole system normally won’t go down. … Spyware, viruses, Trojans and the like, which often compromise computer performance are also a rare occurrence with the Linux operating system.
How do I fix my graphics driver Ubuntu?
2. Now for the fix
- Log into your account in the TTY.
- Run sudo apt-get purge nvidia-*
- Run sudo add-apt-repository ppa:graphics-drivers/ppa and then sudo apt-get update .
- Run sudo apt-get install nvidia-driver-430 .
- Reboot and your graphics issue should be fixed.
How do I fix frozen Ubuntu?
Things to do when your Linux desktop GUI freezes
- Execute command xkill from terminal. …
- ubuntu-freeze-xkill cursor sign. …
- Using Alt + F2 command to open the dialog box. …
- Stop a program from the terminal using Ctrl + C. …
- Use the TOP program to Close programs. …
- Press Ctrl + Alt + F3 to drop to Console mode.