What is gvfs and why should I want it on my system?
What does gvfs do for me on my Kubuntu machine and why is /usr/lib/gvfs/gvfs-gdu-volume-monitor eating so much CPU time?
Unix & Linux
Copy and set-mark in Bash as in Emacs?
I would like to be able to copy and paste text in the command line in Bash using the same keyboard bindings that Emacs uses by default (i.e. using C-space for set-mark, M-w to copy text, C-y, M-y to paste it, etc.).
Read the middle of a large file
I have a 1 TB file. I would like to read from byte 12345678901 to byte 19876543212 and put that on standard output on a machine with 100 MB RAM.
What mechanism prevents any user from accessing any other user’s files via root?
On a multi-user system, what protects against any user accessing any other users files via root? As context, the question is based on my understanding as follows:
Why is chromium-browser killed when I close the terminal despite nohup?
This question is old, and I am still not clear about why.
Hotspot and Internet access together — why not?
If I try to set up a hotspot in GNOME, I get the following message:
Is setting a higher nice level for a process an effective way to reduce its impact on system load/CPU time?
I have an rsync cron job which is pushing the server load and triggering monitor alerts. If I set the job to be run with a high nice level, would that effectively reduce the impact it has on system load values?
Why are some Intel family 6 CPU models (Core 2, Pentium M) not supported by intel_idle?
I’ve been tuning my Linux kernel for Intel Core 2 Quad (Yorkfield) processors, and I noticed the following messages from dmesg:
What is the added value of the -T option in GNU cp and mv?
Why do some GNU Coreutils commands have the -T/--no-target-directory option? It seems like everything that it does can be achieved using the semantics of the . (self dot) in a traditional Unix directory hierarchy.
Viewing a part of the screen in a window on Linux
I plan to make a presentation with a live demo using my wide screen Ubuntu 12.10 Laptop and a projector. My plan is to connect the projector as a second (small) display and put my slides and live-demo there. It would be convenient, if I could see the projector display on my laptop LCD screen within a window (no zoom or stretch needed). So my question is: