I am seeing a horrible battery life with fedora 15 (lovelock) with gnome shell 3 on my laptop. I keep the screen brightness, back light pretty low. I still get about 1 hr 50 minutes battery life out of it after a full charge while just browsing. I also got a brand new battery from lenovo but no l...

I have a new 27" iMac, on which I run Fedora 15 (with no Apple OS) — just boot straight to Linux. The colors are basically accurate to my eye, but the white point is much higher than I'd like (that is, everything is quite blue). I suppose it's 9300K, and may be due to fancy LED backlighting or s...

I was testing the throughput between two pcs, connected on the same router, one with 100mbps lan, the other with 54mbps wifi. Here is the interesting part: using nc, I get 2.63MB/s when sending from A to B (measured with pv -r|nc ipB) using iperf, I get 23MB/s which is pretty much ok. What c...

After reinstalled the python3.2, I got the error as below when call python3.2 as root: Fatal Python error: Py_Initialize: Unable to get the locale encoding LookupError: no codec search functions registered: can't find encoding Aborted There is no problem when executed with another user. I know...

Which Debian or Ubuntu package has the /sbin/shutdown command in it? I want to read the source of that command (and possibly modify it to report notification on desktop) and I didn't know which package source to download.

By default vim aligns lines inside LI tag on the same position as the position of LI tag. But I want LI contents to have more deep indentation. Current behaviour: first line second line I want: first line second line Is it possible?

What I want: Select several lines in HTML file, then enter some hotkey and get these lines wrapped into django comment block. For example, I have: one line another line I want to get: {% comment %} one line another line {% endcomment %}

I have a large data directory (20-30Gb) on my Ubuntu 10.10 desktop machine that consists of many raw data files, processed data files, and assorted scripts, tables, figures etc. generated from the processed data. The data directory has accumulated over many years, and is very poorly structured - ...

My university (TU Wien) offers a VPN in order to get an IP of the university network. The instruction on the university webpage says to install the packages network-manager-gnome, network-manager-vpnc and vpnc and also a screenshot with the correct settings is provided: But when I try to conne...

I have an old laptop here with only 512 MB of RAM. Since a few kernel releases, I am using zram to convert 256 MB of it to a compressed ramdisk which is then used as swap. This has proved to be very successful and the system is much more responsive, (hard-disk-backed) swap usage has gone down co...

I am trying to install Vsphere ESX 4.0 on my x86 machine. It is asking for Custom Drivers to install ESX. When installed on VMware workstation it takes the current installed Ethernet interface drivers but when installed on the machine for proper set up. It is asking for the Custom Driver. Any ...

My /etc/fstab: devpts /dev/pts devpts defaults 0 0 shm /dev/shm tmpfs nodev,nosuid 0 0 /dev/sda3 / ext4 defaults 0 1 /dev/sda1 /mnt/Win7 auto auto,users,rw,utf8 0 2 /dev/sda5 /mnt/Data auto user,rw,utf8 0 2 /dev/sda7...

When I scan a barcode in a text console (CTRL+ALT+F1 or not running X) I get the correct input, but when I try with an application running on X, I don't get the correct barcode. The scanner is configured to return the barcode followed by an 'n'. Under X I only get the 'n', not the preceding bar...

I just wanted to edit the tags-tag. I get the suggestion, to Click the button below to get started. Well. I look at the page. I make a coffee, for the javascript to settle. I take a shower, a sleep and another coffee. No button, nowhere. I guess it is a nerdy, transparent button, and cl...

man mkdir states: -p, --parents no error if existing, make parent directories as needed When I ran this command: mkdir -p work/{F1,F2,F3}/{temp1,temp2} It createsfolder structure like this work parent folder then F1,F2,F3 child folders and temp1 and temp2 child folders under th...

We have ergonomic keyboards at work which I'm not entirely used to. I seem to keep hitting the capslock key while I'm in vim and it's starting to annoy. How can I disable this key, and or change to to be another key?

I was given some nice old Sun UNIX workstations, Sun Blade 1000 and Sun Blade 2000. These are UltraSparc machines running Solaris 8 (which, with regard to all questions below, is useless because the former owner could not provide me with any passwords). I'd like to get them running again, and be...

I need to run this commands very often. sudo apt-get install <package> sudo apt-get remove <package> can i make it simple like install <package> remove <package> I think i need to write function like this function install(){ sudo apt-get install <package> } ...

http://www.csd.uwo.ca/staff/magi/personal/humour/Computer_Audience/%27cal%209%201752%27%20explained.html Is this true?: In <1992Jan30.205923.19385@helios.physics.utoronto.ca> xiaoy@bullet.ecf.utoronto.ca (XIAO Yan) writes: > September 1752 > S M Tu W Th F S > 1 2 1...

Suppose a non-root user with sudo privileges executes a delayed shutdown (shutdown +10 or whatever) and logs out. Then, before the shutdown occurs, he wants to log back in and cancel the shutdown. The problem is that shutdown creates /etc/nologin, and login only allows root to log in when that fi...

I want to install tmux on a machine where I don't have root access. I already compiled libevent and installed it in $HOME/.bin-libevent and now I want to compile tmux, but configure always ends with 'configure: error: "libevent not found"', even though I tried to point to the libevent directory i...

While answering a Unix-&-Linux question, I observed that Gedit and two other editors, Leafpad and Medit (I tested 12 editors altogether) exhibit the a certain bug. As it turns out, the bug is known to Canonical's launchpad as Bug #332321 search (and replace) takes ss as ß. The bug's behavio...

I am reading the Wikipedia article for process management. My focus is on Linux. I cannot figure out the relation and differences between system call, message passing and interrupt, in their concepts and purposes. Are they all for processes to make requests to kernel for resources and services? ...

I was looking at this recent question. Out of curiosity, what's the deal with removing "Thanks!" and the meaning of the question in the topic? (I think version 1 was perfectly fine.)

Is it fine to change the meaning of a title because the OP didn't know what he/she was looking for?

Where once was the filename of the file now there is a black stripe, preventing me to see what I'm editing. To clarify a bit, it's that black stripe between "F1" and "All", when I did the screenshot I was editing my .emacs file. I'm running GNU Emacs 23.2.1 (with the -nw flags) on Ubuntu 11.0...