Linux refers to the family of Unix-like computer operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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Generating colon seperated path list using find

I am trying to generate some PATH-like directory list, using simple bash- and UNIX commands. I think this one here gives me the output I like to use: $ find /usr/local -type d -exec dirname \{\} \; | ...
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267 views

Export Power Point presentations to flash with control buttons on Linux

I need to export *.pps, *.ppt, *.ppsx, and *.pptx files to .swf files. On Windows I used iSpring for Power Point, and worked well. This is the result of iSpring: I am searching for an ...
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2answers
339 views

How to interpret CPU load average?

When I use command mpstat, I see an idle value, for example 25%. It means 75% of CPU power is used. If there are 4 cores on CPU, then does 25% idle mean that 3 cores are fully used and 1 core is not ...
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1answer
3k views

MySQL ERROR 2002 (HY000) on CentOS 5

I have problem with starting up mysql. When I type service mysql start All I got is ERROR 2002 (HY000): Can't connect to local MySQL server through socket /var/lib/mysql/mysql.sock' (2)** ...
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2answers
1k views

How to redirect script output to a text file and continue despite log-out

What is the difference between: nohup bin/admin/release.sh > /users/john/release_output 2>&1 & and bin/admin/release.sh > /users/john/release_output & I want to run ...
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2answers
462 views

Telnet and system root password can differ?

I am just curious of this, so: if I change my "root" password using passwd, does this by default change my telnet and ftp password? Also, is it possible to change telnet and ftp "root" account ...
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1answer
1k views

CUPS : Creating a dummy printer directing to dev/null

I used following command , is there anything wrong with it ? lpadmin -p lp0 -E -v /dev/null -m raw
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1answer
117 views

can sed remove every line that contains 'foo'?

I read somewhere that: sed -n -e '/foo/d' myinputfile.txt would remove all occurences of 'foo' from myinputfile.txt. However this does not seem to work for me. I am a sed noob and cannot seem to ...
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1answer
383 views

Accidentally ran “sudo gpart -W /dev/sda /dev/sda” – how can I recover my partitions?

I was trying to repair a damaged MicroSD card located on /dev/sdb, however I accidentally ran the gpart tool on /dev/sda instead. (not gparted, but gpart) I ended up writing one partition and so now ...
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2answers
3k views

Restoring a VirtualBox VM to a clean/default state?

I am playing around with Virtual Box and installed an Ubuntu 12.04 ISO on a my first VM. Now I want to "wipe" that VM clean and undo all the software I had installed on it. My co-worker said the ...
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0answers
170 views

Linux Mint gets stuck when using wireless card “rt73usb”

I'm changing Linux distributions a lot, wishing to resolve my problems with the wireless card identified as rt73usb, like explained in this question of mine. Now I'm using Linux Mint 12. I noticed ...
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2answers
1k views

How do I see the CPU load of a server?

What is the command to see CPU load of a RedHat Linux server?
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1answer
475 views

How to burn a DVD from within GParted Live CD?

I made the mistaking of using GParted to repartition my hard drive before making sure I have an OS reinstall disk ready. I have the iso somewhere in the hard drive. How can I burn a DVD from this ...
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2answers
171 views

vim (gvim) marking occurrences on the vertical bar?

When I search for a string, vim(gvim) highlights all the occurrences, which is great. But is there a way to show the occurrences with markers on the vertical bar on the right hand side, so if I click ...
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2answers
547 views

Daemon <||> Process control differences

With respect to this excellent post: http://stackoverflow.com/questions/958249/whats-the-difference-between-nohup-and-a-daemon I would like to ask the following: After launching an application from ...
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1answer
531 views

Linux terminal emulator with custom line height and character spacing?

I'm looking for a Linux terminal emulator which has similar features to OS X's Terminal.app in terms of being able to customise line height and character spacing. Could anyone point me in the right ...
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2answers
9k views

How can I do a recursive chmod only on directories?

I want to change permissions on a tree on Centos 4 to add execute permissions for all directories recursively from a directory. If I use normal chmod, files other than directories are also modified: ...
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1answer
54 views

is it possible to trim a video file in linux without creating a copy and while watching video file

I realize this is a tall order and may not be possible yet. I would like to be able to trim off the watched portion of the video file on long video files (such as the olympics) to save disk space. I ...
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450 views

Setting the primary graphics adapter / screen for Kernel Mode Setting

I'm having trouble with my graphics setup under linux. My system has two GPUs, one onboard and a dedicated card. It's one of those AMD Liano (?) Systems, with an "APU" (Processor incl. GPU). The ...
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3answers
5k views

Understanding Processor Frequency part of cat /proc/cpuinfo

I was looking at my processor SPECS on my Ubuntu Linux 11.10 system. Here is the end of the output of the command cat /proc/cpuinfo: processor : 3 vendor_id : GenuineIntel cpu family : 6 model ...
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1answer
326 views

When I create files the owner / group is always root

On Linux, I am logged in as another user, I have added myself to wheel. wheel:x:10:root,allan I have uncommented the lines of /etc/sudoers ## Allow root to run any commands anywhere root ...
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1answer
87 views

zypper always install devel packages

Is there an option to force zypper to always install the ${PKG}-devel packages to the packages I install via zypper in $PKG, maybe in a config or cmd? I did not see any but would love to be able to ...
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2answers
87 views

initrd.img creation in installation cd

as you know, in Linux environments initrd is different for each hardware platform, for example in vm and actual hardware. for create initrd, must use mkinitrd command. but in installation cd ...
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2answers
266 views

How to do a proper Linux server backup to store apps installed and configurations?

I am familiar with using rsync for backups on Linux. However, in the event of a hard disk crash, I have been repeatedly told that with a new disk, install a latest version of the OS, then the data ...
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257 views

Ubuntu 12 Headless Monitor on D2700 Board

I'm trying to set up a home web server running Ubuntu 12 LTS (Desktop). The server itself boots and runs fine and i'm using a vnc to connect to the server via another desktop. The issue I have is ...
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301 views

Slow down clock/timer of a Linux program

Sometimes a Linux program requiring fast user interaction/manual dexterity runs too fast for me to keep up. Examples include video games and video players that don't let you control the speed. How ...
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3answers
3k views

Convert image to uncompressed PNG from the command-line

I have a compressed PNG image compressed.png. I can convert it to an uncompressed PNG decompressed.png using GIMP (saving as PNG and setting compression level to 0). How can this be done on the ...
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1answer
230 views

How do I prevent Bochs translation of keycodes?

My native keyboard layout is "dk" (Danish). I am running Tiny Core Linux in a virtual machine (Bochs). The virtual machine is booting the bootloader where I have the possibility of giving the ...
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1answer
491 views

How to create Delta / Changed files from directories?

I'm trying to create a "changed files" package from one directory to another and need to find a Linux/Unix tool/utility that will be able to handle this. Example: Package_1.1/ (old) Package_1.2/ ...
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1answer
408 views

How does correct gamma color on external screen? Linux laptop

I have got a laptop and i would like to correct gamma color on my external screen. My system: Laptop, VGA port, Linux, Ubuntu. In option System->Preferences->Monitor i turn off my laptop's screen. ...
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1answer
3k views

Linux - alternative places where to store pid file instead of /var/run

As written in the title, where should I let the init script write the pid file? are there any standard paths I should choose instead of the /var/run ? Could /tmp be a good place where to store it or ...
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1answer
486 views

Is it possible to fold text with LibreOffice Writer?

Is it possible to fold text with LibreOffice Writer? I'm talking about a way to have not so much used lines folded into just one, that can be expanded if you click on the '+' that lies on the left. ...
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4answers
2k views

Should I kill zombie process in my system?

Since I'm newbie in Linux/Unix systems and just read about zombie processes, I have one question. I have 10 of them right now. Do I need to kill them and if yes, why? Are they a load on my system? ...
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2answers
4k views

Any way to use sftp as superuser?

I'm using Transmit.app (in Mac) to sftp to my Ubuntu server. Is there any way to gain superuser permission so that I can remotely write any file?
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1answer
24 views

Ubuntu installer problems

I am fairly new to Ubuntu and I have some problems. My Ubuntu version is 11.10. For some time now, the Ubuntu software center hasn't been working (when I click on it, it lights up a bit, as if it will ...
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1answer
125 views

hard drive formatting error

I have a disk composed of a single partition. It is formatted in ntfs and has files in it. Linux reads them fine, and is able to write on it too. So the disk is fine, and it doesn't show any smart ...
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2k views

Sony Vaio Laptop not booting - black screen

I have a Sony Vaio laptop - not sure on exact model as I am not at home currently - can post later if required. I have it dual boot running Linux (Ubuntu 12.04 LTS (Precise Pangolin)) and also ...
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1answer
66 views

qtnx delete session

From the graphical interface, when you connect to a host, it is possible to create a new session, but not to delete an existing one. Where is that information kept (in which file) in my computer, so ...
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3answers
328 views

How do I list the files installed by a deb package?

I'm an Ubuntu user and I install packages with the apt-get. For example: sudo apt-get install hadoop-0.20 After I install the package, there will be files in /usr/bin, /usr/lib/hadoop etc. Are ...
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1answer
700 views

deleting gmail messages from alpine

I am using gmail as my email server and alpine 2.02 as my email client. Gmail has a rather non-standard IMAP setup and consequently, in order to delete a message (rather than archive it), one must ...
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3answers
513 views

How do I hide files inside of an image without using any stenganography tools [duplicate]

Possible Duplicate: Steganography software I want to hide files inside of a picture. The files may be music or video. Is it technically possible to do this? If so, how? I searched on ...
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1answer
567 views

Deleting and extending the partition from a windows-linux dual boot

I'm following the steps mentioned in this site Removing linux from TN government laptop It is clear till step 5, I can simply delete the linux partition and make it as a new drive. Do I have to ...
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Ubuntu accessing the Virtual BOX DSN

I have Ubuntu 12.04 Installed on my System and have installed Virtual box 4.1.12. and Having Windows7 running in my VBOX (Guest Addition Installed). Now I have crated the DSN on VWin7 Instance which ...
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1answer
264 views

Move one directory of files into another while maintaining directory structure

On Linux, I have directory #1, for example: /foo/file (edited) /foo/bar/foo/file6 (edited) And directory #2, which may contain some of the same files: /foo/file /foo/file2 /foo/bar/file3 ...
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1answer
154 views

dual monitor: move all windows from 1st monitor to 2nd monitor

Is there a way to move all windows from the 1st monitor to the 2nd monitor while the 1st monitor is turned off? This is on gnome 2.
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2answers
1k views

Mutt with GPG Password Protection

I got Mutt working with the default IMAP password management configuration with this line in my config: set imap_pass = XXXX Which is obviously not secure. I looked at this ...
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1answer
4k views

Is there a way to disable Intel SpeedStep steppings on an Ubuntu Server using a command line application?

We cannot disable it using the BIOS, because Turbo gets turned off as well as a side effect (what a crappy BIOS!). I am looking for a simple command line tool for Ubuntu 12.04 LTS Server that can do ...
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1answer
244 views

My mldonkey doesn't work due to “Too many open files”

On my NAS (an incredibly basic and reliable DNS-323), I use mldonkey to download files. It worked quite well during the last 3 years, but it seems now mldonkey doesn't work. Indeed, each time I start ...
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2answers
776 views

Change the default URL for right-click “Search Google for…” menu in Firefox

I'm trying to change the default URL that Firefox has for Google. I don't want to change the search engine itself. I tried changing keyword.url in about:config, but it doesn't work. I tried the add ...
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1answer
2k views

Interpreting statistics from netstat -s

I'm running netstat -s on my Ubuntu box at home to get network interface statistics. There are a bunch of numbers printed out, like this: Ip: 10256 total packets received 8 with invalid ...