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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25
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2answers
16k views

What does Linux do with existing files in a mount point?

If I attempt to mount a folder that already has files in it, does linux give me an error message or go ahead and show both the mounted filesystem and the files that were already in the folder?
2
votes
3answers
5k views

How to display only Permissions and file names using ls command?

How can I display only Permissions and file names using ls command and how to list all files in a directory including full path, owner, group and permissions for each file?
5
votes
3answers
2k views

Console hex editor under Cygwin?

Could recommend for a console hex editor under Cygwin?
0
votes
3answers
150 views

GPG on Ubuntu not responding

I'm trying for the first time to use gpg to encrypt a file with a symmetric key, but gpg doesn't seem to respond when I use the -c switch. gpg -v -c filename .. just doesn't seem to do anything, nor ...
2
votes
2answers
10k views

How to replace a file in jar with command line in linux?

I have a jar, and I need to replace a class in it, at this moment, I can only open it with "archive manager" and then drag and drop the new compiled class into the jar, but I think this is really ...
1
vote
2answers
93 views

Unmodifiable music file tags

I have some music files (.mp3 and .flac) which have unmodifiable tags: After I change the tags, they revert to their original values automatically. It's not related to access permissions (using Linux) ...
0
votes
1answer
860 views

Ubuntu 9.1 and dynamic disks

I bought my laptop with Win 7 pre-installed and I shrinked a partition and created a free unallocated space , but when I was installing ubuntu It called this space "unusable" . So I started reading a ...
9
votes
2answers
407 views

Why do we have 3 types of X-selections in LINUX?

man xclip says: -selection specify which X selection to use, options are "primary" to use XA_PRIMARY (default), "secondary" for XA_SECONDARY or "clipboard" for ...
1
vote
2answers
561 views

Custom frame title in Emacs

I'm using Emacs and I find quite annoying the default frame (aka window) title that is user@host especially when I have several frames opened. Searching around I found that it's possible to change ...
1
vote
3answers
278 views

Sync server and client

Maybe I should start with the problem: I work as a part-time consultant developing webpages, both back end and front end. When developing a back end application I'm using a server running ubuntu ...
10
votes
1answer
6k views

Linux overcommit memory

I've been looking into memory overcommitting in Linux using /proc/sys/vm/overcommit_memory, and I've read a few articles which don't say the same thing. This doc, under the heading "Going in the ...
10
votes
6answers
15k views

Converting a PDF to black & white with ghostscript

Similarly to this question: Convert a PDF to greyscale on the command line in FLOSS? I have a PDF-document and want to convert it to pure black and white. So I want to discard halftones. To ...
1
vote
1answer
875 views

Non-System disk or disk error

I have windows and linux distros on my /dev/sda. I tried to install fedora 13, but after reboot I cannot boot up to any of installed systems. I'm getting: Non-System disk or disk error ...
1
vote
1answer
224 views

How to browse other Xubuntu installation files

my hard disk has two xubuntu 9.04 installation. one installation in partition /dev/sda1 and another installation in partition /dev/sda5 if I running xubuntu installation in partition /dev/sda5, how ...
0
votes
2answers
2k views

Headphone jack does not work in HP Pavilion G60-530us under Linux Mint 9

After installing Linux Mint on my laptop, I found that plugging in a speaker to the headphone jack did not mute the speakers. I followed the instructions here to upgrade my ALSA driver, and now my ...
2
votes
1answer
545 views

Best available technology for layered disk cache in linux

I've just bought a 6-core Phenom with 16G of RAM. I use it primarily for compiling and video encoding (and occassional web/db). I'm finding all activities get disk-bound and I just can't keep all 6 ...
2
votes
2answers
972 views

How to mount remote filesystem for /home directory

I am looking for a way to set this up. I have a Debian server which I use to hold my home directory for my user account. I used to use Windows 7 and connect to my /home/username directory via Samba ...
2
votes
1answer
329 views

Installing Ubuntu on an External Drive

I am trying to install ububtu on an external drive. I am a programmer who wants to start using Linux. I downloaded the usb installer from the ubuntu website and followed all the steps. But when ...
0
votes
4answers
690 views

Can I run the Linux Fortran compiler for Intel with Cygwin?

I'm on Windows 7, 64-bit. Can I run the Linux Fortran compiler for Intel with Cygwin?
2
votes
1answer
1k views

Can I control the fan speed with the xf86-video-ati driver?

I have an ATI Radeon HD 4850 running on Arch Linux with the xf86-video-ati driver. Is there any way to control the fan speed (from a conf. file, the command line, whatever) or should I change to the ...
2
votes
2answers
10k views

Unix - List all directories and subdirectories, excluding directories without files

I would like to list all the directories and sub directories in and below the current path. Since I only wanted to display directories I came up with the follwing command: find -type d -exec ls -d1 ...
2
votes
1answer
4k views

dpkg: error processing /var/cache/apt/archives/python2.6-minimal_2.6.6-5ubuntu1_i386.deb (--unpack)

I had an issue (Question 199582) which was resolved. Unfortunately I am stuck at this point now. Running root@X100e:/var/cache/apt/archives# apt-get dist-upgrade Reading package lists... Done ...
2
votes
2answers
616 views

Terminal emulator with custom scripts and hotkey support for linux

I need a terminal application for linux with support for custom scripts and support to bind this scripts for hotkeys. For example I login into computers hundreds times a day. I don't want to write ...
3
votes
6answers
1k views

Will learning to use Fedora also teach me my way around Redhat (CentOS)?

I want to dive into the open source world and start using a Linux distro while learning to program. I've looked over the options and it pretty much boils down to Fedora or CentOS. The reasoning behind ...
12
votes
9answers
22k views

Is there a Linux equivalent of Programmer's Notepad or Notepad++

I've recently switched over to Ubuntu from Windows and love it. One thing I miss is my Programmer's Notepad. I haven't found anything similar yet for Linux. Eclipse is way too big and involved for ...
13
votes
3answers
8k views

Check number of pending security updates in Ubuntu

Let me start by saying I have been forbidden to enable automatic updates on our Ubuntu servers, for both security and regular packages. When I log into any of my four Ubuntu servers, the welcome ...
0
votes
1answer
190 views

Different versions of libdc1394?

I'm working on a project that uses libdc1394 to interface with Point-Grey Firewire cameras. We build the code on Ubuntu 8, Timesys, and Ubuntu 9 primarily. We usually use the package manager for most ...
0
votes
1answer
827 views

Applications when minimized do not appear on the panel on Fedora 11

When I try and open a terminal on Fedora and minimize, the window title does not appear on the panel. Any other application like rdesktop as well doesn't appear either.
3
votes
3answers
1k views

Pre upgrade backup for Ubuntu/Linux?

Well. I'd like to upgrade my parent's box from 8.10 (intrepid) to 10.04 LTS (lucid). Doing this from the package manager should work, but I want to get a backup of the system if things go haywire or ...
6
votes
3answers
42k views

Linux: Command to empty recycle bin

What is the shell command to empty the garbage bin under Linux?
2
votes
1answer
1k views

Test script if host is back online

E.g. system: Ubuntu/Debian. As many of you do this probably via ping and a terminal, I always forget this terminal when switching to other task. So a notification pop-up would be useful. So can I do ...
1
vote
1answer
1k views

Ubuntu lucid, maverick high iowait

I'm using Ubuntu, and I've got the same problem with Lucid and Maverick. From time to time, especially a few minutes after boot, the iowait goes between 50-100% and the box is unusable. Everything ...
6
votes
6answers
3k views

Premade Virtualbox images

Long story short, I am trying to find a pre-made Linux development environment for VirtualBox so I don't have to worry about installing a distro, getting all packages installed, and so forth, since ...
0
votes
1answer
2k views

I want to remove PHP-5.3. completely from my machine after make it from source

I want to remove PHP-5.3. completely from my machine after make it from source. how can this be done? When I try make uninstall I get: make: * No rule to make target `uninstall'. Stop.
2
votes
2answers
2k views

Rename Linux home folder structure to system language

I have installed the Ubuntu distro first in Portuguese. Then, I decided I wanted the English language. I would like that the default folders like "Desktop" and "Documents" were renamed to this names, ...
0
votes
1answer
552 views

Why does the SSD on my Linux system fail?

Sometimes while I am gone for work or for the weekend, my main Ubuntu machine that I use as a desktop and personal server will become hung up. This only started happening after I put in an OCZ SSD. ...
1
vote
6answers
1k views

Running Linux as a desktop with KDE/Gnome but without 'X server'

I'm curious, I believe that one of the ways that OSX make the GUI experience of *nix more 'snappy' was to ditch X and run the window manager more directly on the hardware. If I'm looking to run Linux ...
4
votes
3answers
23k views

apt error: Could not perform immediate configuration on

I have issues running the following command: root@X100e:~# apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... ...
2
votes
1answer
620 views

Why does most on-board sound worse than dedicated sound cards?

I'm interested in determining what factors lead to on-board sound on motherboards sounding worse than dedicated sound cards, and how one could predict whether certain motherboards would sound equal or ...
3
votes
2answers
2k views

Specify top's screen width in batch mode

I am logging the output of: top -b -n1 -c so I can keep track of which processes are using how much memory and CPU each minute. When top shows the full command line (-c), the command line text gets ...
27
votes
4answers
13k views

What is the different between 'locate' and 'find' in Linux?

Why there are two so similar command in Linux? and normally what are the circumstances to use each of them?
3
votes
1answer
1k views

No Really Centos - Don't go to sleep

This is driving me nuts. I have the gnome settings in my CentOS 5.2 installation set to never go to sleep. But everyday I go away and come back in a few hours and the monitor is asleep and I have to ...
2
votes
1answer
270 views

Application-specific keymapping

In general, I want to make specific keymaps for application, that working only in it and doesn't affect other apps. For example, I already use my Caps key to toggle input language (via xorg.conf), ...
2
votes
3answers
711 views

Use “history” command to fire last run command?

How do I use the "history" command to fire the last run command?
0
votes
2answers
759 views

Following script doesnt run as cronjob

snailmail.sh #!/bin/bash echo "Test" >> /tmp/out /usr/bin/kdialog --title "MAIL RECIEVED" --msgbox "mail recieved!!" crontab -e #CronJobs located in $HOME/cronjobs/* * * * * * ...
0
votes
2answers
868 views

How do I set permission of file on samba network drive from windows

I am accessing network drive (Z:\stream) on windows. Now the permission set on stream folder is like chmod -R 777 streams/ means all the files inside stream is at 777 but now i am copying some files ...
0
votes
2answers
523 views

backup with tar via ssh

I know how to backup a filesystem with tar and restore it later, but i'd like to know how to do that with a remote system. I'm really terrible at all command piping stuff and i can't simply adapt the ...
0
votes
1answer
386 views

gnome power manager - autosleep if keyboard/mouse idle for time X *and* CPU idle for time Y

I often set my computer to doing calculations that are going to take a long time, and then leave the room and go do something else. The GNOME desktop's power manager only seems to pay attention to ...
1
vote
2answers
615 views

Join with gzipped files

I want to use the command line join utility on two files. Unfortunately, they're gzipped. Because they're both gzipped, I can't use gzip -cd. Is there a slick way to do this without having to unzip ...
1
vote
2answers
493 views

Can't enable wireless again after disabling it by accident on linux

My Acer notebook has a button that can disable the wireless network device when pressed. Since it is near the ESC key, sometimes I press it on accident, especially when editing something with Vim. ...