Why does my computer freeze and make a terrible buzzing noise every once in a while?
If it’s the regular types of pc beep patterns, you can reference the motherboard manual to tell what problem it is trying to … Read more
reboot
What is the correct way to prevent non-root users from issuing shutdowns or reboots
First, note that ConsoleKit’s shutdown function considers “single user” and “multiple users” as two different situations – shutting down the system always requires … Read more
Determine if reboot is required to update kernel?
First of all, we print out running kernel version: # uname -r 2.6.32-71.29.1.el6.i686 Ok, we have to patch: # yum update kernel* Grab … Read more
Computer suddenly dies; screen displays weird flickering lines, then restarts
Most likely your graphics card has died. Typical cause for this is blown capacitors. Open up your computer case, take graphics card out … Read more
Is there a way to tell how many times my computer has rebooted in a 24 hour period?
You can invoke directly last reboot The pseudo user reboot logs in each time the system is rebooted. Thus last reboot will show … Read more
Understanding the output of last reboot shutdown
Understanding the output of last reboot shutdown
Restore work space after reboot? [duplicate]
How about something like this: http://cachemywork.codeplex.com/ – “Cache My Work: reopen your Apps after reboot”: CacheMyWork is a handy utility that enables you … Read more
Why does restarting a computer solve wifi connectivity issues?
It may well be one of the system services that are failing in some way. Next time it happens you should load up … Read more
Does the “reboot” command log me out of the shell or does it forcefully terminate it?
As others already pointed out, this depends deeply on your answer to complex philosophical question what is “Linux” :). Yes in this case, … Read more
iptables rules not reloading on CentOS 6.x
I’ve had the same problem. You have created a set with ipset called “blocking”, however, I don’t see where this set gets saved … Read more
