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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ccache make recompiling whole program again and again

I have two projects on Linux mint 16, I switch between. I am using ccache make so that i can compile only changes in the program but It is recompiling from scratch. build system is cmake. If I ...
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RubyRep Setup Causes an Error “ Exception caught: Mysql::Error: query: not connected: SHOW TABLES”

I've spent the entire day trying to get RubyRep going on a CentOS machine, and now I'm stuck on the error "Exception caught: Mysql::Error: query: not connected: SHOW TABLES" for which I couldn't find ...
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1answer
1k views

How to make IRSSI running under screen in a remote system to beep on my local pc for new messages?

I have an irssi running forever under a "screen" in a remote linux server system. I have fedora 16 in my laptop and ssh into the server and resume my irssi screen when I come to work. But I miss a ...
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2answers
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installing fax modem drivers on linux

I am trying to install USB 2.0 fax modem on my linux xubuntu machine. I am following the instructions and I entered: rpm -i dgcmodem-1.13-1.i386.rpm After that,I got this error: rpm: RPM should not ...
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1answer
404 views

How can I see the console output on linux like in windows?

Well, let's say we have a application that runs in a console and is for both windows and linux. On windows when you double click the application a command window opens and the application runs, you ...
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2answers
463 views

How to show linux “cmp” command progress?

Is there a way to show the progress when running the cmp command? Comparing large files or partitions using cmp can take a while. I have searched google and used man cmp, but failed to find any ...
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4answers
12k views

How to get Linux users list from LDAP

We've just linked one of our Linux host to LDAP and ActiveDirectory. Now I'm trying to check how I get list of users and their details from within the Linux side.
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8 views

new high-speed usb device number 2

I am tracing usb enumeration for an android device. In parallel I'am following linux code for the USB device driver implementation. But I can not find by which file are the following debug messages ...
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13answers
175k views

How can I download an entire website?

How can I download all pages from a website? Any platform is fine.
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0answers
9 views

Is there a replacement for cron with webinterface?

I am searching for a replacement that lets me view and edit the jobs and their schedules in a webinterface. It would be especially good if there's a history of the execution of jobs available or at ...
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2answers
907 views

How can I log the output of the mv command in Linux?

I'm using the command: mv -v -f sourceDir destDir How can I output the verbose console out to a file?
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5answers
2k views

Does running commands verbosely make them slower?

I've found myself using the -v flag for lots of applications less and less (especially for trivial stuff like tar and cp). However, when I did and I was, say, unzipping a large file, it would take ...
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1answer
1k views

pipes vs. redirects

I've been using pipes and redirects for a long time and just realized that I don't know exactly how they are different. I just know that if you want to store the output in a file, then you use >. ...
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1answer
158 views

Does this write to stdout or stdin?

If I type the following command in Linux: cat textfile The contents of textfile is displayed. What is cat actually writing to? Is it writing to stdout or stdin?
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13 views

PCLinuxOS 2014 - kernel 3.15.5

i have a Toshiba NB500 netbook with Intel Atom 455, chipset 1350. is there support for this chipsets in the kernel 3.15.5? because i tried to install newest mageia, pclinuxos, fedora, suse and can ...
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0answers
12 views

Can't login to CentOS desktop as root via GUI prompt

I have CentOS 6.5 running on a VM in VirtualBox (Windows host). I had no problems logging in as root from the GUI prompt (clicking on Other and typing root, then my root password and getting the ...
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1answer
14 views

Symlink two real directories with files in both

I have two directories, with files in both of them: ./read/pub/ |- file1 and ./write/pub/ |- dir1/ |- file2 |- file3 I need to create a symlink so that all the ...
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1answer
112 views

Too many keyboard layouts

The short question: how do you handle multiple keyboard layouts without getting confused? I'm a fast writer. I've been using the default Swedish, QWERTY PC keyboard layout on Linux, DOS and Windows ...
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0answers
8 views

How do I have automatic encrypted backups?

I have a jailbroken iPhone, 2 Laptops, and another server. I will set up these devices to backup files to a main backup server I have but I'm wondering how I can have this done automatically while ...
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2answers
410 views

How do I find out which program is causing the PC speaker to beep?

How can I trace which program is making the computer beep periodically? Is beeping usually done by writing something to /dev/tty*? How can I monitor which programs are writing to /dev/tty*? The beep ...
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0answers
9 views

Executing multiple commands using winexe

./bin/winexe -U <username>%<password> //<ip> "cmd.exe /c net use x: \\\\<ip>\\share /user:<user> <password>" This command works fine, but for me to run another ...
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0answers
178 views

webdav davfs2 input/output error

I've got a box.com account configured in a Linux system so a user can mount it in a certain mountpoint and access its contents. It is declared in fstab as: https://www.box.com/dav /media/box davfs ...
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2answers
433 views

Capturing the console output

I am running a Hadoop hive query from shell script. This is how I am doing it in my shell script. echo "SELECT COUNT(*) FROM test" | hive I want to capture the output whatever hive command outputs. ...
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2answers
30 views

changing permissions of Read-only file system in linux

i use this command to make a bootable flash disk of linux mint sudo dd if=~/Desktop/linuxmint.iso of=/dev/sdx oflag=direct bs=1048576 it's work, but now my flash disk is lock and i can't change ...
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0answers
12 views

installing GitLab on CentOS7 failing due to create on resource user

I am trying to install gitlab on a VM under VirtualBox running CentOS 7 I am following the following instructions: https://about.gitlab.com/downloads (for CentOS) I configured gitlab.rb to contain: ...
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How to IP restrict a directory that the pub can currently access?

So, I have roundcube setup on a directory of my domain, but I don't want people to be able to access the log in page. I have tried to follow a few tutorials on how I could IP restrict the directory ...
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2answers
63 views

Hide (Encrypted) windows installation under Linux

I've got a PC running Linux (Ubuntu, in case it makes any difference). I want to install windows (Seven) to a hidden-encrypted partition on that drive. So on boot-up I have a selection screen: If ...
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0answers
3 views

apache got internal error when access ldap module

I'm installed httpd 2.4, and the /etc/httpd/conf.d/ssl.conf like WSGIScriptAlias /wsgi_app /trac/cgi-bin/wsgi_app.py <Directory /trac/cgi-bin> Require all granted ...
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1answer
19 views

Why does ubuntu linux insist on been installed on a ext partition and can it be installed on fat32 or NTFS?

Before i start don't lecture me on the fact that fat32 is old and hasn't been updated for nearly 20 years. Right now i have sorted that, I am trying to install ubuntu Linux on to a 64GB flash-drive ...
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1answer
5 views

How to create a shortcut to maximize horizonatally a window in KDE Plasma?

"Provided your window is not already maximized, clicking on the maximize button with the right mouse button will maximize it horizontally" How to create a shortcut for doing that?
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0answers
11 views

How can I make the parse data in linux to be the value of my XML file?

My problem is I don't know how can I use the parse data in Linux to make it as values in my XML file. Can anyone help me?
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0answers
11 views

Raspberry unbootable after unexpected shutdown

I have a raspberry Pi, Model B. I installed Raspbian on the SD card and I would like to use it as a SVN server. I installed everything I need to work with it, and it works ok. The problem is that ...
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1answer
82 views

Can I use aliasing (e.g. “4xAA”, etc.) provided by 3D graphic cards to make my desktop look better?

All modern 3D video cards support some form of hardware-based "anti-aliasing" for games. The idea is to render the frame bigger than the screen resolution, and then downsample it to get smoother ...
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Am I using this command correctly? Can't understand why I get the error I am getting. Myqsl - Centos 6

So, I am trying to connect to a database through mysql ssh, but whenever I run the command Connect postfix@127.0.0.1 on postfix It returns with: ERROR 2005 (HY000): Unknown MySQL server host 'on' ...
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0answers
9 views

Ubuntu crashing after login window

Below is the screenshot of ubuntu 12.04 crashing at login screen. I have googled alot for the solution but hardly anything seems to work. If i try to use telnet localhost this is what it says
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1answer
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Mailx is is not working

I have been trying to send emails throw Linux using echo "hi abhijeet2" | mailx -v Admin abhijeet123@gmail.com Whic works fine on other linux system ,but not working my system. I have tried to ...
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1answer
11 views

Connect internet camera and bridge/forward IP traffic

I have an Ubuntu (14.04) machine with two Ethernet cards. One Ethernet card (eth0) is connected to the office network. The machine is addressable from the outside Internet. I have a Web camera that ...
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1answer
19 views

writing a script to mail all users online

I am taking my first Linux class and we are writing scripts. Currently I'm trying to write a script that will look at who is online and then send them a mail This is an entry level linux class so ...
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1answer
12 views

Blank screen, CentOS 6.5

I'm on a Dell PowerEdge 2850, and I recently installed CentOS 6.5, and it worked well for a while, then recently whenever I booted into the OS like after the BIOS screen, everything went blank and it ...
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7answers
54k views

How do I select all text from a file with nano?

I open a file in Ubuntu nano editor from the comand line and I want to copy all the contents of the file so I can paste it in an another application outside the shell. So far I can only copy using ...
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1answer
15 views

Bash files open terminal when opened

This seems like something simple to do but for the life of me I cannot figure out how to do it. I would like all bash (*.sh, *.bash) files to open with a terminal to show their output in.
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1answer
31 views

Difference between connecting to 127.0.0.1 and server ip

I am brand new to php, databases, and linux and had a problem where I could not connect to mysql databse with the php mysql_connection function. When I used the ip address of my VM I kepy getting a ...
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1answer
24 views

New to Linux, cannot get my internet to connect in VMWare

I installed CentOS today and did a minimal install. I got everything set up and got Gnome installed but I simply cannot connect to the internet. I can ping my loopback address and everything looks ...
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0answers
5 views

How to see the size of files on apache server?

On a VPS apache CENTOS 6.5 x86_64 virtuozzo – server Server space is disappearing on accounts that are untouched, or should be. I suspect hackers are uploading to the accounts in question. Space is ...
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4answers
14k views

Cannot lock /etc/passwd; try again later

With several commands I get the error "cannot lock /etc/passwd; try again later". Does anybody know how to solve it? Also I don't get in my /etc/shadow directory.
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2answers
21k views

How can I create a non-login user?

I'd like to create a user and a group both called subversion on a RHEL 5 system. I looked at the man page for useradd and I guess the command would be just be... useradd subversion However, not ...
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1answer
555 views

How to install Emoji on linux?

I am using Fedora 17. I want to view Emoji icons on my computer. Currently I am seeing square tiles on most of the symbols in this Wikipedia page. Not sure if this has got to do with Character Map and ...
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1answer
10 views

Replaced a RAID 10 drive on my Debian server - what do I do next?

I have 4 x 3TB drives in a RAID 10 array. One failed, so is now removed. /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md127 : active ...
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2answers
2k views

how to install bitcoin-qt wallet on debian 7

WARNING: Complete noob to linux (somewhat noob - if something can be installed w/ a package manager, I'm ok, else completely lost). I loaded debian 7 on a VBox VM (took 2 days to get everything to run ...
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1answer
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Colorize ls-output by filetype [duplicate]

Every once in a while I have to list some files (~20-50) in Bash on Linux || Mac. These files are from four different file types. ls nand2tetris/myChips/ And16.**hdl** And16.**cmp** ...