How to create /dev/null?
I deleted my /dev/null. How can I restore it?
linux
Disable screen blanking on text console
I’m running linux clusters, mostly on SLES10. The servers are mostly blades, accessed via remote console. There is a real console in the server room, but switched off.
A list of available D-Bus services
Is there such a thing as list of available D-Bus services?
I’ve stumbled upon a few, like those provided by NetworkManager, Rhythmbox, Skype, HAL.
Always Forward Traffic Out The Interface It Originated On
(This is the original question but my eventual solution was too different from how I originally asked the question so I’m posting as a new question.)
On an Apple Keyboard under Linux, how do I make the Function keys work without the fn modifier key?
I use an Apple wired keyboard on Linux. By default the function keys (F1, F2, F3, etc) require the fn key to be pressed for them to work. Without the fn key, these keys control the features like Screen Brightness, Volume, and Music Track Control.
How can I revert a chmod on the etc directory?
I accidentally executed the following command on the etc directory:
swapping keys in a virtual terminal
Note: I asked this question in superuser about a month ago, but there hasn’t been a reply till then, and the question relates to linux, so I’m posting it here.
Finding the PID of the process using a specific port?
I am installing hadoop on my Ubuntu system. When I start it, it reports that port 9000 is busy.
How to find out namespace of a particular process?
I already asked a question about how to list all namespaces in Linux, but there wasn’t any correct and exact answers, so I want to find out a method which can help me to find out the namespace of PID of some process or group of processes. How can it be done in Linux?
How to re-mount a USB stick after unmounting from Nautilus without disconnecting it?
I find that in order to re-mount a USB stick, I have to physically disconnect it, and then re-connect it. How can I do this without such tiring physical action?