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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Does Source Based Linux Distro's Have Lower Download Size for Packages Rather Than Binary?

I looked all over the internet and couldn't find the answer to my question. If you use a source based distro, does that lower download sizes, compared to binary? If so, how significant is it? (Provide ...
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1answer
452 views

SSH login without password prompt [duplicate]

Possible Duplicate: How do I set up SSH so I don’t have to type my password? I am trying to set up Opennebula. I want to set up my local host so that I can log into my remote host without ...
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1answer
656 views

In linux, how can we change bash environment variables using initialize script?

We know that we can change bash's environment variables, for example PATH, using initialize script, for example .bashrc. Just writing PATH=<VALUE> and you will get what you want. But, consider ...
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1answer
1k views

Unison -repeat watch will only sync when a change is made client side

I have 3 computers, two clients (A,B), and one central server (C), that they both connect to via Unison/ssh, folders are set to -repeat watch so that changes are sent to the server as soon as they are ...
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0answers
128 views

Guest slow after being idle for awhile

I've been playing with ESXi and Linux KVM to try to find out which one best suits our needs. With both of these solutions I've run into the same situation. After a guest has been idle for some time ...
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4answers
2k views

Why do we need hosts file?

DNS resolves the domain names to IP address then why do we need hosts file in our machine with domain name -> IP address mapping? One disadvantage is that the ip address could change. Is there any ...
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2answers
5k views

How to force add a route in linux

If I try to add a route with route add dest X.X.X.X mask 255.255.252.0 gw X.X.X.X I get dest: Unknown host message. Nothing changes even if I add the -n switch, which I believe should prevent route ...
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1answer
2k views

What does an asterisk “*” mean in hexdump output?

I print MBR with hexdump and I get the following output: 000001a0 67 60 6f 70 65 72 61 74 69 6e 67 60 73 79 73 74 |g`operating`syst| 000001b0 65 6d 00 40 00 63 7b da c5 f5 61 68 00 40 00 40 ...
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2answers
299 views

GNU/Linux, Fedora 17, login message

Is there a program that displays the login message formatted like this: Last login: Wed Oct 24 16:40:33 2012 Or do I have to write my own program/script? I was wondering if there is a command the ...
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0answers
228 views

Computer-to-Computer network between OS X and Linux

I want to make a connection point to point via wifi between Mac and Linux. What I did was: I have created Computer-To-Computer network in OS X I have set manually an ip address for Mac, ...
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391 views

What's the meaning of “rc” in filenames such as .vimrc and .bashrc? [duplicate]

There are many file with a name containing "rc", but what's the meaning of "rc"?
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1answer
132 views

What Debian OS for HP proliant server

This is my server: http://h10010.www1.hp.com/wwpc/us/en/sm/WF06a/15351-15351-4237916-4237918-4237917-4248009.html?dnr=1 I want to install a command line (no GUI) version of the latest stable debian. ...
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4answers
2k views

How to recursively remove all .exe files from all the subdirectories of the current directory?

I have a USB containing important files. However it is infiltrated with some unwanted .exe files (probably virsuses) in each subfolder. Since I am on a Linux machine, the exe files won't affect me. ...
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1answer
4k views

What is EXT4-fs error (device md0): ext4_mb_generate_buddy:739: group 10770, 0 clusters in bitmap, 32768?

On my Ubuntu Server 12.04 I got this errors (via dmesg): [ 1104.544121] EXT4-fs error (device md0): ext4_mb_generate_buddy:739: group 10771, 0 clusters in bitmap, 32768 in gd [ 1104.549227] EXT4-fs ...
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3answers
214 views

On Linux, why does directory tab completion add a \ to a path starting with ~

On my work scientific linux 6.2 machine, I often start typing in a directory like below and use tab completion to finish it: ~/mydir But when I hit tab, it becomes e.g. \~/mydirectory/ With an ...
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2answers
548 views

Store grep output with formatting as it is to a file

I want to store the result of grep in a file with the formatting in the same way as the output in Konsole(Kubuntu). I tried to save it in a LibreOffice doc but the result is no different then the ...
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2answers
1k views

How to delete readonly variable in bash?

$ mySite="superuser" $ readonly mySite $ unset mySite bash: unset: mySite: cannot unset: readonly variable How can we delete mySite, as it is a readonly variable?
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3answers
986 views

Is there a command line calendar calculator?

Is there a command line calendar calculation which provides these features? Date (plus|minus) date interval calculation User specified input and output format
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3answers
7k views

How to retry connections with wget?

I have a very unstable internet connection, and sometimes have to download files as large as 200 MB. The problem is that the speed frequently drops and sits at --, -K/s and the process remains ...
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1answer
2k views

Windows 8 won't boot after Boot Repair

I've got a Sony Vaio laptop. Until yesterday I had Windows 7 and Ubuntu 12.04 installed. Today I upgraded to Windows 8, which killed my OS selection screen. So I booted to Ubuntu 12.10 from a USB ...
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2answers
140 views

Will HDD's permission settings work when plugged on another computer/OS?

I don't have means to test this but I'm on Windows 7 and I set one of my HDD's (entire drive) permission to Administrators. If I plug it in another Windows 7 or Windows XP computer will the ...
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1answer
270 views

Unable to format and install Windows

I am unable to format my hard disk and intall Windows XP. When I boot using Windows XP Professional CD ROM and do the setup, I end up in the below screen. I couldn't delete any partition and install ...
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1answer
70 views

using find command to find string that is not at the beggining or end of a line

So I know how to find strings in a filename that are at the end or the beginning of the line using the asterisk character accordingly. Problem is I can't find a way to find a string anywhere in the ...
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0answers
200 views

Outlook can not recognize newer PDF version (like v1.7+) being attached to an email and treats it badly as plain text

When attaching PDF v1.7 to an email in Outlook, it's sent as: Content-Type: application/pdf; Content-Transfer-Encoding: quoted-printable When receiving such an e-mail under Linux (Thunderbird), the ...
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1answer
41 views

Route networktraffic target dependent to different networkadapters

is it possible (Ubuntu and Windows) to create the following rules: If target="192.168.*" use eth0 If target="*" use eht1 // default, the rest that doesn't match another rule
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2answers
521 views

Setting up a server in Linux for Home

I have an old Laptop at home that i wanted to setup as a server for my Home use. Linux was my choice for stability and learning reasons. What i at least wanted out of it was; Mercurical/Git repo FTP ...
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3answers
2k views

Can I have Graphics on Linux without a desktop manager?

I have a more-or-less embedded application in development that uses Linux as its OS. I get to specify the distro we use and had started with Ubunto 12.04. My applications, thankfully, are ...
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2answers
1k views

Cannot Enter “Insert” mode in VI (not VIM)

Solved this problem in my Ubuntu box by installing Vim. I keep having this problem in every linux box I use. But I keep installing vim (over the existing vi) The problem is, I can't get ...
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2answers
134 views

How to have ESC also cancel CAPS if CAPS is enabled?

Is there any way to configure the keyboard so that pressing ESC will also cancel the Capslock feature, if Capslock is enabled? I specifically use Kubuntu Linux with ESC and Caps keys switched (VIM ...
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1answer
916 views

How to configure GRUB4DOS

I've integrated GRUB4DOS into my Windows 7 bootloader menu using EasyBCD. It works and I can chainload to my Linux GRUB at /dev/sda5 ((hd0,4)) but I have to do it manually every time. Grub4Dos just ...
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1answer
250 views

Prevent mv from overwriting the larger file by the same name

I need to move all files from a directory, discarding the directory structure. Unfortunately, some files have the same file name (Thumbnails). I'm looking for smth. like this: find /tmp/dirtree ...
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3answers
96 views

Is it possible to have environment variables in the path of the working directory : PS1?

I am on Lubuntu and I am using bash. My PS1 (in .bashrc) is : PS1="\w> " I like it because I need to paste the working directory all the time. The problem is that the path is always very long ...
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1answer
163 views

Raid system fails to boot after moving from 2.6 kernel to 3.5

I'm running Gentoo Linux with a custom compiled kernel and I've just migrated from a 2.6 kernel to a 3.5. As my HD's are on RAID 0 mode I use a custom initrd file in order to be able to boot. While ...
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2answers
67 views

Read file not owned by me in a directory owned by me

A daemon process running as a special user has created files which only its user can read. The directory is owned by me and I have write access to the directory. Is there any way that I can read or ...
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1answer
54 views

Best place to clean up files in linux start up

I have several RHEL Linux servers, but sometimes when the servers hangup, in the restart, a few services don't start because uncleaned lock files. Where is the best place to put a cleanup to be ...
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2answers
53 views

Is it possible to set the device containing a linux root filesystem to always be detected as a specific block device?

I have a bootable linux thumb drive meant to deploy linux OS images and I've been having problems with the thumb drive occasionally changing the /dev/sd device it mounts as, wreaking havoc with the ...
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1answer
817 views

Cannot login to fresh Kubuntu installation as admin, but only as guest

I just installed a fresh Kubuntu 12.10 on a machine beside Windows 7. After successful installation, I rebooted and wanted to login. But when I type my password and hit Enter, some command line screen ...
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2answers
137 views

linux run default program on system start init

Hello I have a small netbook with tegra, and I'm trying to create Image Frame when someone turn on a netbook. If I add to init.d Starting script for my graphic application will it run before GNOME ...
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1answer
106 views

On Ubuntu wheezy/sid running Gnome how to I move a window partially off the screen?

When I click on another window the moved window springs back to its previous location, so it's fully visible in the current desktop. I don't need to see it all the time, I just need to be able to ...
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3answers
516 views

create PDF montage in vector format

I have a folder full of images in PDF format, and I would like to merge them all into a single PDF in which there are many images on each page, but still in vector/PDF format. The ImageMagick ...
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5answers
50 views

My user information was deleted [duplicate]

Possible Duplicate: Undo an “rm -rf ~” command? So I made a stupid error, I did a sudo rm -rf of my ~/ directory. I wasn't thinking of the hidden files in there. Now instead of showing what ...
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2answers
979 views

Accessing a remote Windows “Git Bash” prompt from a Linux machine?

"Git Bash" is a program that comes with Git for Windows. In order to get to a Git Bash prompt on a remote Windows machine from a linux machine, my usual process is to use remmina to open an RDP ...
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2answers
545 views

Is there such thing as a software switchboard for Trixbox/freepbx/asterisk? [closed]

We use Trixbox CE and would like something so that we can load a window that tells us which lines are in use around the office. Currently no need to use it to actually make calls or anything, but just ...
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0answers
52 views

Follow up to “ Is is possible to use only one Xvfb process to serve multiple clients simultaneously?”

I do know that you can use multiple process to one Xvfb, however I am starting to see "User interrupted function" upon a access to the Xvfb. Have I now exceeded some memory limit? This is very ...
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3answers
2k views

How to maximize GNOME Terminal on Linux

Environment: Red Hat Enterprise Linux, C language , Eclipse IDE for C/C++ Developers Question: I'm programming a typing tutor which run on GNOME terminal, i want to maximize terminal when run ...
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1answer
330 views

Cannot install any Linux distribution

I have a PC with 2 HDD: 1 of 120 GB SDD (with Windows 7) 1 of 2 TB (for all my data) Now, I partitioned the SDD in two, so I could install my Linux distributions. No problem until here. I write ...
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1answer
114 views

Do best-practices say to restrict the usage of /var to sudoers?

I wrote a package, and would like to use /var to persist some data. The data I'm storing would perhaps even be thought of as an addition for /var/db. The pattern I observe is that files in /var/db, ...
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0answers
242 views

Kernel recompilation: mp-bios error 8254 timer not connected to ioapic

After recompiling my kernel I see this error every time I start linux. Os starts fine but I see it is not stable at all: sometimes it freezes and I can just reboot it. I guess it is because of this ...
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0answers
16 views

How do I log peaks from a mic if they pass one or more thresholds?

I know that the package of xawtv has program call record that can start recording if sound level is over some threshold - but that is not quite the solution. If someone knows how to do it - it could ...
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2answers
2k views

Play local audio on remote computer (Linux)

Is it possible to transfer audio from my local computer to a remote one, eg through SSH? I know this transfers mic to other computer dd if=/dev/dsp | ssh -c arcfour -C username@host dd of=/dev/dsp ...