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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Renaming burned CDs

I'm stuck with a problem that would require a skill set a little farther than mine, I currently installed Ubuntu for the first time on a piece of hardware, but I didn't take in account that the ...
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Can CygWin 64 bits compile 32 bits sources?

I am trying to compile on CygWin 64 bits the (presumed) 32 bits wake on lan tool here created by Thomas Krennwallner, supposed to compile on Unix and Windows under CygWin. After download I did: ...
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Send emails over port 80 using Linux command line

I have a server that is not allowed to send outgoing emails or have access to any name servers. What it has is an http proxy that allows it to access the other servers and I am able to do wget ...
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XEN HVM: GUI rendering artifacts on VNC

I'm facing a strange issue running Xubuntu (tried Ubuntu also, same problem with Unity, but no problem with Metacity) on Xen HVM while connecting to it via XEN's builtin VNC. Some parts of the user ...
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Pacmd dynamic range compression Ubuntu 14.04

I used the answer at the link below to successfully set Dynamic Range Compression on my Ubuntu media box running Ubuntu 14.04 (SteamOS session, so no Ubuntu desktop session available). Realtime sound ...
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1answer
18 views

Complex alias command

I am trying to create a complex alias. I have a lot of servers I have to ssh to and writing the entire command is quite annoying some times. I created aliases for every machine: alias ...
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8 views

What are my options to clear vertical screen space on centOS?

I'm migrating from ubuntu to centOS and one thing I have noticed is how the default GUI of ubuntu clears vertical space. It does not have a bar of open programs on the bottom and windows have a ...
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Fedora 8 on intel atom device using live image burn with unetboot

I'm new in LINUX, and I've been installing fedora 8 live image on intel atom based cpu ( installed on the harddrive, not usbstick) I have a running internet connection (router, Windows based PC, and ...
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1answer
11 views

Echo/Pipe command output to Serial line

I have a serial device running on 115200 baud at /dev/ttyUSB0. I need to Pipe the output of a command to it. I Need somthing like: command-that-gives-stdout | command-that-puts-stdin-to-serial --baud ...
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Ubuntu 14 mouse single click registering/behaving as double click

Since I upgraded my Ubuntu box to 14, I was facing the issue that almost every time a folder, item, etc was single clicked, it fire a double click action. As you can imagine this was very annoying, ...
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13 views

How to auto mount vbox shared dir

In guest, i can use following to mount shared folders sudo mount -t vboxsf Download ~/Downloads my question is: how to mount it on guest startup
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1answer
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Old ALSA application and PulseAudio

I have an very old application, from repository - it's soundmodem (for amateur AX.25 radio packets). I'm using Linux Mint 17 with default sound driver, it's PulseAudio. Options in application ...
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Growing an encrypted RAID5 array without causing alignment issues

Question Is there anyway to tell mdadm to make sure a certain logical sector on the RAID-device stays aligned to the beginning of a stripe when growing a RAID5 array? Problem My RAID5 is encrypted ...
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1answer
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If else case for established connection

How do I modify this test such that if the number of connections to port 1234 is greater than 10 then to execute a command (like an echo something)? [[ $(netstat -tan | awk '/:1234/ && ...
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Copy text file from a isolated server

I have a linux remote machine which is isolated from the rest of the world. To access to it I have first to connect via ssh to a gateway. When connecting to the gateway I have no prompt, but I must ...
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how to bring network up at boot time in ubuntu 14.0.4

I am write one shell script which execute on every boot, Script is as below. service lsyncd stop /etc/init.d/networking force-reload ifconfig eth0 > /home/sachin/status.txt old="0.0.0.0"; ...
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1answer
35 views

Last Windows 8 update removed Grub

I have a dual boot with Windows 8 and Fedora 20. Since 2 days ago, it worked well, but actually I rarely use W8. I booted briefly on it and it decided to install some updates, which made Windows ...
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25 views

Where to find config file for how many connection are permitted to the server

I'm not very familiar with UNIX systems yet and I need to connect to one server by telnet. When I try to connect I get following massage Connected to some.ip. Escape character is '^]'. too many ...
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What is a suitable programming language for developing a linux desktop app? [on hold]

At school we did some C/C++ programming basic stuff most problems that we solve were mathematical, as a project I want to do a basic G.U.I some buttons, check boxes. I don’t want to use C/C++ even ...
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Modify incoming packets before forwarding in Linux

I’m using a Linux (Debian based) system on which IP forwarding is enabled (/proc/sys/net/ipv4/ip_forward is set to 1). I can read the incoming packets using a raw sockets program, but I want to modify ...
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How come a standard (non-sudo) user can reboot my server?

I have RHEL 6.5 installed in VMware Workstation. When any normal user logs into the the virtual RHEL 6.5 server and runs reboot command, the server is rebooted. Normally, only users having sudo access ...
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21 views

weird behaviour with forever, bash, apache and php

I'm running some node.js scripts with forever. I started them as www-data user (i.e. via ssh logging as www-data@server and typing forever start myapp.js, etc.). Ok, everything goes like a charm; my ...
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4answers
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Can I use an Android Phone as a Linux Box? [on hold]

Is it possible for me to use my Android phone as a linux development box? E.g. install some sort of package manager such as Apt/Yum followed by GCC, Vim etc. Then I simply connect my phone via USB ...
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Pentadactyl launch external program without console output

i use some custom commands with pentadactyl which launch external programs. For example, i have mapped a comamnd which downloads a youtube video, converts it to mp3 and moves it to the correct folder ...
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1answer
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Is is possible to supply an absolute path to hg clone?

All of the examples of hg clone that I have seen have used a relative path: hg clone user@example.com/repo This will look up repo in uers's home directory. Is possible to supply an absolute path to ...
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46 views

What is the difference between making a dd of a DVD and ripping software [on hold]

I don't understand something. If I want to copy a DVD why not just dd the drive and be done with it? Why would anyone ever want to use ripping software if they can just do a simple dd?
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1answer
112 views

Why does the ls command require a dash before its parameters but for tar command, the dash is optional?

I am new to Ubuntu and I am trying hard to understand the command line. When I want to see the contents of a tar file I use: tar tf tarfile.tar But when I want to see a listing of all file if I ...
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1answer
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How to recover deleted files with original filenames on FAT32 usb?

I have tried several products to recover the data. I have all of the original files thanks to photorec and foremost however, the images are useless without the correct filenames. I have all of the ...
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3answers
44 views

What does this use of the echo shell command do?

I found echo -n $'\e]0;Hello World\a' in a shell script that's part of a code base I'm working on. What exactly does that do? It certainly doesn't echo anything visible. Note, I'm using Ubuntu ...
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1answer
30 views

I am am connected to my wireless router at home but it won’t give me an Internet connection

I have a Thinkpad running Linux Mint 17 and my connection is on wlan0 which is the Intel Wi-Fi interface. Several days ago I was connected to the Wi-Fi router at home and everything worked like a ...
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10 views

focus to newly opened terminal

I am using gnome-shell 3.14 on archlinux 3.17.3-1. I have a keyboard shortcut (ctrl+alt+T) to open an xfce4-terminal. My issue is that when I triger this shortcut the focus is not set the the newly ...
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troubles with PCI-E passthrough with qemu on ubuntu: pci-stub/bind says no such device

so im trying to bind my second radeon card to pci-stub, as per instructions for setting up GPU passthrough in here, but once i get to binding the card to pci-stub, it tells me it isnt there. this is ...
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Why won't my centOS 7 bootable USB stick boot?

In the screenshot the general information of the stick: In the bios I set the multi flash reader before the HD and tried to boot directly from the stick on the boot override options, no cigar. I ...
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1answer
22 views

No such file or directory when file exists

I have a file called bitcoind in /usr/bin/bitcoind: bitcoin@Titan:~$ ll /usr/bin | grep bitcoind -rwxr-xr-x 1 bitcoin bitcoin 7789600 Nov 25 10:39 bitcoind* However, I cannot execute it: ...
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Installed Zend Guard Loader, sites don't work anymore

Well I was getting "Zend Optimizer not installed" page for a wordpress site that I just transfered to a new server (is it possible the theme needs it?) installed it using this tutorial: ...
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Debian 7.7 keyboard and touchpad.didn't work

Yesterday I was installed Debian 7.7 with kernel 3.2.0 and GNOME 3.4.2. Today I found my right button on touchpad didn't work. I made it to work when I press the left button for a few seconds, but it ...
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Joining a domain with kali

I'm in school and I was asked if I could join a domain with Kali. Everywhere I search says use "likewise open" but I've went into "add/remove programs" and searched for "likewise open" but it has no ...
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21 views

Mass Rename Files including sub directories

I have many file having "example.com" in them and I want to replace it with "example.co" as i change my site tld, i have rename program installed in my server and have root access too. Can anybody ...
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How can I find the gparted package in debian?

I recently upgraded my chromebook c710-2856's hard drive to a 250GB drive and flashed coreboot on it. I then proceeded to install debian wheezy with LXDE. I want to install gparted, and when I do: # ...
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2answers
26 views

How to git pull without asking password?

I have a problem for make a auto pull for a git repository. I explain my situation : i have 2 sever on linux (Debian), one for the repos (dev01) and another one for make documentation with doxygen ...
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keeping file management smooth with NFS between two linux systems

I have my linux based NAS set up with NFS shares that are read only so my Ubuntu server can access certain files and folders. Now I need my Ubuntu server to be able to write to those NFS shares. The ...
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2answers
23 views

Which tools can log system resources usages in Windows/Linux? [on hold]

I need a tool can log at least a few things like this: CPU load: (min/max/average) RAM load: (min/max/average) Storage size: (max/is used) Storage/folder growth size. AFAIK, Linux shell can help ...
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2answers
24 views

Will load average from uptime effectively explain the system load in Linux?

I have a cron which is scheduled to record the system load using uptime for every five minutes. At times the load average for 5 and 15 min cross 8 (max seen is 10). So is the system under heavy load? ...
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file transfer between two remote host using C program [on hold]

I need to transfer file between linux running in Putty (in a development board) with the ubuntu in Virtual box using client server communication. I have used ethernet cable to connect between these ...
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If I have network file sharing turned on, and I connect to a VPN, are my files then visible to other users on the VPN?

I have one computer on my home network that I always leave on, with a few shared folders set up so that other computers in my home network can access the files inside. When I connect to a VPN, I'm ...
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3answers
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Unrecognized archive format when trying to extract content from a TAR archive

I have an uncompressed TAR file created on Linux. If I use less to view the file I can see all the data; mostly code files. However if I try to decompress it I get the following error: tar: ...
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adding a number variable with a string [migrated]

I'm asking the user to enter a number and if the number is greater than 2 then I like to add the string -n to that number. Here's my code: read -p "Enter a number " result_sort if [ $result_sort ...
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How to set up mass executable file permission to all my scripts?

PROBLEM I have new servers and copied lot of files with these conditions: lot of files different suffix lost permissions among them there are other files now I need to set up all and only ...
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1answer
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find and replace directories in linux

I’m new to Linux and I’ve been searching on how to find and replace directories. Basically I have a path in an .xml file that looks like: /some/directory/path And I want to change that to some ...
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.muttrc and gnome-keyring

I'm trying to use gnome-keyring-query to avoid hard-coding my Gmail password in my .muttrc. According to http://www.df7cb.de/blog/2010/Using_multiple_IMAP_accounts_with_Mutt.html the following lines ...