2
votes
3answers
254 views

Open running KVM in separate session

I have a KVM session running on my host. If I login as someone else on my host machine, is it possible to access that running KVM session (not through the network)? I am not using the virtual ...
2
votes
1answer
3k views

Start a service on HPUX at boot

I'm trying to start a service on HPUX 11.31 at boot time. I generated the appropriate symlinks, but the system is not starting it up. If I run the script once the system is up, everything works as ...
4
votes
3answers
14k views

Yum Cannot Retrieve Repository CentOS 6

I just installed CentOS 6. I tried running yum update and was having trouble getting that to work, so I tried yum clean all and now my situation seems even worse than before. Based upon what I pasted ...
10
votes
1answer
4k views

Alias a command to run in the background

I'd like a keyboard shortcut to work as so: > e foo.txt to expand as > emacs foo.txt & It's simple to use alias e=emacs, but how do I insert the & after the filename? I realize it ...
2
votes
0answers
107 views

Use the system Compose database in Gtk applications [duplicate]

I'm using a X server which doesn't implement the XKB extension (it is VNC, but I don't think it matters, my vncviewer is running on Windows XP, I don't think it matters either). I've set up a ...
8
votes
5answers
22k views

ssh Connection refused: how to troubleshoot?

I'm trying: $ ssh eric@myserver where myserver is a machine in the intranet. I can ping myserver or respond to HTTP on port 8080, etc, but when I try ssh, I get ssh: connect to host myserver port ...
3
votes
2answers
3k views

How to start the cron daemon

I am using RHEL 5.4 I killed the cron daemon accidentally. I wanted to stop a cron task, didn't know how to do it, ended up killing the cron daemon itself. How do I start it again?
3
votes
3answers
18k views

How do I add an entry to my crontab?

I am using crontab for the first time. Want to write a few very simple test cron tasks, and run them. $crontab * * * * * echo "Hi" doesn't produce anything. crontab */1 * * * * echo "hi" says ...
5
votes
1answer
2k views

Getting disk i/o statistics for single process in Linux

I need to monitor the I/O statistics of a process that writes to disk. The purpose is to avoid write rates too high for long periods. I know there's iostat tool to accomplish this task on a ...
1
vote
1answer
229 views

How to replace the original value of variable in HTML tag

I am facing some problems in replacing the value of a variable in a html tag in a unix box. Here are the details. Please help me in finding a solution. #!/bin/ksh count=5 ...
1
vote
3answers
5k views

How to stop warnings from being treated as errors in JHBuild

I tried building mutter module using JHBuild and it fails: <snip> make[4]: Entering directory `/home/wena/src/mutter/src' CC screen.lo core/screen.c: In function 'reload_monitor_infos': ...
6
votes
5answers
5k views

Drop Process Privileges

I have a process that gets started by a damon running as root, now I want to "downgrade" this process's privileges to those of your average user. Is this possible? If yes how? PS: Running unix on a ...
33
votes
2answers
30k views

Difference between pts and tty

Possible Duplicate: What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'? I always see pts and tty when I use the who ...
2
votes
1answer
736 views

Slackware boot error after fresh install

I'm currently running Ubuntu and Slackware on my system. After just installing Slackware, with everything appearing to work fine, I boot into GRUB only to see an "error: no such disk" or something of ...
8
votes
2answers
197 views

VIM: show all lines edited in session

Is there a command or plugin that I can use to show all the lines I have edited in a Vim session? I would like to be able to have all the changes I have made highlighted when working in co-workers ...
3
votes
3answers
732 views

Vim multiple windows / hide

If I had x or more windows open in a VIM session and I wanted to quickly hide all but the active one for a moment then return the windows to the layout I had them int how would I do it?
4
votes
1answer
6k views

Moonlight in Debian

What is the preferred way to install moonlight in Debian (Testing)? I searched the repositories, but there seems to nothing relevant. Also this wiki: ...
8
votes
2answers
6k views

GNU “install” -d flag — how's it work?

I'm trying to write a makefile rule to copy a directory, maintaining its structure, and since all the other rules in our makefiles use install, I wanted to be consistent. In the manpage, it says: ...
3
votes
2answers
2k views

Terminate Root Processes

Is there a way to terminate a root process without entering an administrator's password? You might be wondering why I'd want to do this 'cause it sounds fishy. Well I just need to end a process ...
3
votes
1answer
613 views

Low-level serial configuration?

I'm using embedded Linux platform, kernel is 2.6. I'm using stty command to configure ttyS* high level. The problem is that when I want to turn hardware flow control on: stty -F /dev/ttySA0 crtscts ...
150
votes
3answers
62k views

How do directory permissions in Linux work?

In my CMS, I noticed that directories need the executable bit (+x) set for the user to open them. Why is the execute permission required to read a directory, and how do directory permissions in Linux ...
7
votes
1answer
501 views

self-recovering ssh tunnel over non-100% connection

I want to setup permanent ssh-tunnel for port forwarding to machine behind firewall. The connection is between university network (very reliable) and commercial microwave metropolitan connection to a ...
3
votes
1answer
2k views

Change the red border between windows in xmonad

Is it possible to set somewhere in configuration the color of the border between windows from red to black or remove the border completely?
5
votes
1answer
3k views

How to give permission of a folder to a specific user in LINUX/UNIX?

How can I give permission to a specific user for a particular folder? I don't want to give permission to the entire group but only to a particular user in the group. I don't have root permissions. ...
11
votes
1answer
974 views

How to generate a lot of (blank) images files?

For a test, I need to quickly create 1700 jpg-images (even blank) in a defined size 1000x706. I wonder if we could do this with a shell script or a program (like ImageMagick). I wish they called ...
2
votes
1answer
296 views

Fedora location of /usr/share/v86d/initramfs

I compiled and installed v86d, yet I can only locate one binary file in /sbin. There is supposed to be the initramfs file in /usr/share/v86d, but this directory does not exist. I don't think that the ...
6
votes
5answers
574 views

PATH environment variable in linux

I want to know how the standard environment variables given by the linux OS like PATH, HOME are set automatically. In which file are these read from. There should be some file from which these ...
4
votes
2answers
283 views

LUKS encryption for tape media?

I was wondering, if it was possible to use LUKS encryption with tape drives, QIC for instance. I'm using LUKS for USB drives and internal disks, even DVDs and CDROMs. But I was thinking of maybe ...
5
votes
2answers
3k views

How can I verify that a PGP key is imported into RPM?

One can import a key with: rpm --import /path/to/key But how can you tell later if you have already imported this key? Trying to reimport it will fail with an error and I am trying to avoid this ...
1
vote
1answer
211 views

What special characters does grep parse by default? [duplicate]

Possible Duplicate: In a regular expression, which characters need escaping? I know there is the -E flag which treats the "search term" as a regular expression. However, it seems that even ...
1
vote
1answer
448 views

Can I execute a python statement from a terminal?

I'd like to simply execute a Python command without having to write a script or enter the interpreter. Is there a way that I could run something like: python --execute "pow(12.31351,2)" And have it ...
2
votes
1answer
686 views

Equivalent to “copies=2” feature of ZFS in Linux with LVM

I have a laptop with only one HDD and is impossible add other HDD. The feature "copies=2" of ZFS is the perfect solution for to add redundancy to my /home in the laptop. I would like emulate the ...
12
votes
3answers
980 views

How can I redirect matching lines to a file, and non-matching lines to a different file?

Is there a script/program/utility already available for the following requirement in a optimised way? someCommand | tee >(grep "pattern" > LinesWhichMatch) | grep -v "pattern" > ...
7
votes
1answer
835 views

How do you save a complex regex for multiple reuse in sed?

In using sed, I often create rather complicated and intricate regexes that I need to match twice in a file. Is there a way for me to save this regex and just reference it twice? Maybe something that ...
3
votes
3answers
212 views

What does . match?

In working with regular expressions, I have been told that a dot character . will match everything. Except for newlines \n. Are there any other exceptions? What about the NUL character \0, or the ...
4
votes
2answers
7k views

“sys/ioctl.h” header in linux

I am on Linux 2.6.32-26-generic When I look in to the linux source code for "ioctl.h" hearer file, I could see many variants. (for different platforms, I guess). i.e. ./fs/ocfs2/ioctl.h ...
4
votes
2answers
10k views

Why is 'df' hanging?

I have recently been having problems running df, where it just hangs. Here's strace output, and in it, you'll see that I killed since it was just sitting there: $ strace /bin/df execve("/bin/df", ...
1
vote
2answers
673 views

How to undelete/restore the deleted files in ubuntu linux [duplicate]

Possible Duplicate: Recovering deleted files on fedora undelete files from local fileserver I accidentally did rm * in a directory instead of another directory from console in a Ubuntu11 ...
8
votes
1answer
7k views

How to run a GUI program as a different user (Debian)?

Using a terminal, I can change the running user with su and sudo — but how can I do that by clicking on an icon/shortcut on the desktop/start menu? If I have to be root to execute I will be asked ...
3
votes
4answers
538 views

Adding a TeX macro to the beginning of a file using sed (why doesn't my method work?)

I need to add a line to the beginning of a file. The line in question is \def\submit{} I've got a semi-working solution using sed. I don't know sed, but got it from somewhere on the net, but it ...
7
votes
1answer
4k views

Jump to specific character in a line in VI

In VI, I know that if you do :some_number and hit enter, you will jump to the line specified by "some_number". Is there an equivalent for jumping to a specific character in a single line? ...
3
votes
2answers
426 views

How can I “cache” a variable in Bash?

I have a bash script which is run every 10m by cron. The script performs an expensive calculation for some value (say variable x=value). I need to "cache" this value for 2-3 hours. What are possible ...
2
votes
2answers
1k views

Backup a Windows PC to a Linux Machine

What is a good backup strategy to backup a Windows 7 box to a Ubuntu box that are on the same network? The solution I am thinking would be to mount a Windows folder to Ubutnu then use rsync. But I'm ...
7
votes
1answer
1k views

Interrupt sequence CTRL+C does not work for user

In any terminal operating under GNOME, if I press Ctrl+C, I only see a question mark. Same goes for Ctrl+Z. The output of stty -a | grep intr is: intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ...
4
votes
2answers
8k views

Sed: Replace N first occurrences of a character

I am looking to replace the 5 first occurences of the whitespace character per line inside a sed script. Here's what I have so far sed -e "s/ /;/" -e "s/ /;/" -e "s/ /;/" -e "s/ /;/" -e "s/ /;/" ...
5
votes
2answers
401 views

DEC ANSI command sequence questions; cursor movement

So I'm writing a terminal emulation (I know, I should just compile putty, etc.) and am at the stage of plodding through vttest to make sure it's right. I'm basing it on the VT102 for now but will add ...
3
votes
3answers
4k views

How to pass a string parameter on bash function?

I have this code that does work: get_parameter () { echo "$query" | sed -n 's/^.*name=\([^&]*\).*$/\1/p' | sed "s/%20/ /g" } But I want to replace the "name" with the parameter that I pass ...
7
votes
6answers
28k views

How to search for a word in entire content of a directory in linux

need to search for something in entire content I am trying: find . | xargs grep word I get error: xargs: unterminated quote How to achieve this?
3
votes
3answers
3k views

How do I deploy Firefox Bookmarks for all users in the network?

I have a bash-script for installing Firefox which is downloaded and executed from every client workstation in the network. The script is on the server and all workstations are running Ubuntu. Now I ...
1
vote
1answer
442 views

AIX synchronize directory

I am trying to copy a lot of folders to another directory. I used cp -R command to copy them from source to destination. After all the copying was finished, I found that when I was copying, some files ...

15 30 50 per page