Why does my Linux freeze?

Why does my Linux freeze?

Some of the common causes that cause freezing/hanging in Linux are either software or hardware related issues. They include; system resources exhaustion, application compatibility issues, under-performing hardware, slow networks, device/application configurations, and long-running un-interruptable computations.

How do I enable SysRq?

To enable SysRq temporarily (it falls back to being disabled at the next reboot) you can use the sysctl command: sysctl -w kernel. sysrq=“1” or you can simply echo a 1 to the appropriate procfs leaf: echo “1” > /proc/sys/kernel/sysrq. To persistently enable Magic SysRq keys, you’ll need to edit your sysctl. conf file.

Why does my CentOS 7 GUI freeze up?

As I upgrade the machines in my area from 6 to 7 (full wipe/re-install/recopy data. No in-place upgrade), I find that the gui unpredictably freezes at times. Usually I’m left with mouse control, but that’s it. Clicks do nothing. The machine isn’t totally frozen because if I do an ALT-F2 to a text console, I can log in fine.

What to do when a Linux desktop freezes?

Even if you don’t see anything on the screen (e.g., it is frozen) you should do that and it will restart the GUI. On my laptop when it completely freezes (unresponsive mouse or keyboard) on mint 17.3, I’m able to do control + alt + fn + f7, then control + alt + fn+ f2.

Why does my computer GUI freeze at times?

No in-place upgrade), I find that the gui unpredictably freezes at times. Usually I’m left with mouse control, but that’s it. Clicks do nothing. The machine isn’t totally frozen because if I do an ALT-F2 to a text console, I can log in fine. Don’t see any large process taking up the cpu. But the Desktop is still frozen.

Is it dead CentOS 5 or CentOS 6?

CentOS 5 is dead, do not use it. Full time Geek, part time moderator. Use the FAQ Luke Not at all, just new install, update, thunderbird, VLC and gnome 3 basic extensions. When it happens, are all the keyboard LEDs flashing? CentOS 6 died in November 2020 – migrate to a new version! CentOS 5 is dead, do not use it.