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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Deleted video file from spy glasses

please help me... I have bought spy glasses - glasses with video camera. I use it for horse riding ;) and sometimes I have problems to turn it off. The it makes some mistake and the SD microCard seems ...
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173 views

How to fully install linux on a USB flash drive

i need to install linux (Ubuntu) on a flash drive, i need it for installing the OS on my pandaboard ES. I want to make a full installation (not the live cd one) I've tried installing it from a cd to ...
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91 views

How to edit a remote file with implicit su-ing to another user on remote host

I want to edit files on Unix/Linux servers from my PC (running Linux and/or Windows). However due to security, I cannot log into the remote server as the file owner, but as my named user, then sudo su ...
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270 views

GNOME 2.16.0: desktop frozen (redhat 5.8)

I have a user whose desktop is frozen. We're running Redhat 5.8. Gnome version is 2.16.0. Clicking the icons does nothing. The menus on the toolbar work. If I try to launch nautilus from the ...
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239 views

crash shell: any way to check if a command executed Successfully

I am automating a test using crash package. is there some thing like $? in bash shell, which can be used to check if previous command is executed success fully or not. eg : when command crash> ...
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509 views

Red Hat Enterprise Linux Qt 4.7.0 install error

I'm running a virtual machine, using VMWare Player, running Red Hat Enterprise Linux Workstation 6.4 x86_64 and I'm trying to install Qt 4.7.0 from the qt-everywhere-opensource-src-4.7.0.tar.gz file ...
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265 views

How to force-detect network devices with Network Manager under Linux

I usually get connected to internet with a mobile broadband connection, provided by my Nokia 5800 phone linked to my computer with its USB cable. I'm using Network Manager (on Kubuntu 12.04 with KDE ...
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240 views

openvpn interface, local routing and linux kernel routing table

from this article: http://backreference.org/2010/03/26/tuntap-interface-tutorial/ the author created a tun interface # openvpn --mktun --dev tun2 # ip link set tun2 up # ip addr add 10.0.0.1/24 dev ...
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318 views

Can't find /dev/root

I am having hardware issues with my main laptop, so until I get it fixed I am trying to use its hard drive on my old laptop. I am using a SATA-USB converter to boot on it. The problem is when I try ...
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263 views

lost files on cut/paste to hard drive

Last night, I mounted the main hard disk in Linux Mint 14. And cut/paste a lot of files (about 8GB) from home folder to the mounted disk. When the operation finished, I suspend my computer, and a few ...
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636 views

Install Php-pear to /usr/share Raspbian (debian)

I am running Raspbian on my Pi and have installed PHP-pear, I have some software that requires PHP-pear but is normally installed on a Fedora based machine so pear is normally found at /usr/share/pear ...
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2k views

linux kworker's CPU percentage extremely high

I have a laptop with i7 processor and ATI video card, all the distros I'v installed have a common problem -- there is always a kworker(kernel thread) occupy 40% of the CPU, (i.e. one of the 8 logical ...
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255 views

dhclient on virtual interface in Xubuntu

I configured a vlan interface on an xubuntu box and set it up for dhcp eth1.125 Link encap:Ethernet HWaddr d4:ae:52:6a:dd:81 inet addr:10.10.10.4 Bcast:10.10.10.255 Mask:255.255.255.0 ...
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357 views

What is the largest size of HDD that can be recognised by SuSE 10?

I have a venerable but rock solid server running SuSE 10, acting as a webserver, running a relatively few, but significant, websites. The machine has multiple disks ranging from a nearly decade old ...
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53 views

How do I script a config file change

I'm trying to create a script to make the vi color change described here http://www.kavoir.com/2009/05/how-to-change-vim-syntax-highlighting-colors.html Trying to do it with sed but it's not working ...
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234 views

Symlinks are lost after running rsync to sync two directories

I have two identically named directories with similar subdirectories and I would like to merge the contents of one into the other. I'm trying to use rsync to do this and I'm finding that symlinks ...
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109 views

what are sane open file descriptor limits on linux?

Where can I get good guidance on sane values for open file descriptor limits on linux. We have users asking for massive numbers as their limits and I am unsure of the impact of this and what should ...
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131 views

Import a certificate on Linux

I need help with importing a certificate on my Linux. here is the status : I have a linux Centos 6.4 server with Apache installed. On a windows server, i have BSF. This BSF is secured and in order to ...
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571 views

unable to send mail from server

I am trying to write a script which sends an alert to a few email ids. The script will fetch its data from pmta log file. As my script is ready but it's not sending out the mail. The server on which ...
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1k views

How to disable sleep mode in Fedora 18

After every 10 minutes my laptop go to sleep mode. I can't find an option to disable this. Please help.
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97 views

Mount NFS on a remote host through a intermediate host

My scenario is: hostA: /A_NFS/ hostB: hostA:/A_NFS/ on /B_NFS type nfs hostC: hostB:/B_NFS/ on /C_NFS type nfs hostA is reachable for hostB, but not reachable for hostC. hostB is reachable for ...
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84 views

Is my graphics card broken?

I tried to run my puppy linux, and the loading screens were okay, but the actual desktop was all blurry, and had the wrong colors. Mainly pink and neon green. After a few seconds it restarted. Same ...
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47 views

How to keep a completed process in memory?

I have a program that has a large startup delay. (it needs to load lots of data from hard drive). So, I call it from the command line and provide it the name of input file, it processes that and ...
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79 views

DNS address not acquired by ubuntu

I have a lenovo G430 machine with ubuntu 12.04 running on it. The Network configuration is DHCP, It gets the IP but fails to get the DNS and henceforth wont be able to browse internet.The issue is ...
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153 views

How did Linux get on sdc when I insalled it on sdb

I typed $fdisk -l into the terminal to see my partitions. When I installed Linux I installed it on sdb, which shows up, but for some reason it says Linux under sdc. This is what it looks like. ...
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102 views

setting system time at startup from ext4 filesystem

I have a pc with no battery backup and using ubuntu 12.04 with ext4 it will constantly ask me to handle the situation by saying that my superblocks last write is in the future. So I wonder - can I ...
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483 views

Send an HTML email within a shell script under Linux

I want to be able to send an HTML email under Linux command line. I'm doing the following: echo "<b>HTML Message goes here</b>" | mail -s "$(echo -e "This is the subject\nContent-Type: ...
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739 views

Clonezilla backup from a running operating system?

I often use Clonezilla to backup my system. I have a few different partitions on my main boot drive and have an additional disk array to which I perform the backups. Essentially, I have a EFI drive, a ...
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278 views

LVM woes - is it possible to recover data from LVM?

I think I've cocked up a smidge, so asking for some advice. I have 4 drives in my machine: sda - OS sdb-d - sdb1, sdc1, sdd1 - swap sdb2, sdc2, sdd2 - LVM Total logical volume size ...
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28 views

Samba connection and read only directory

I have a Windows XP computer connected with a Linux computer with Samba. My problem is that the directory in Linux has all permission, while when I see it from XP it seems to be a read only directory. ...
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368 views

How do I configure rsyslog to write to /var/log/{hostname of sender} when receiving remote logs?

My ADSL modem supports remote logging via syslog. I have set up my server, running rsyslog, to accept the log messages from the modem and they are being show in /var/log/syslog along with the messages ...
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195 views

libgphoto2-2-dev is installed, but pkg-config wont list it. Deb Wheezy new install

I am trying to use node-gphoto2 from npm, but I am having trouble with the libgphoto2-2-dev dependency. I've installed it, but pkg-config says it's not there. $ sudo aptitude search gphoto p ...
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79 views

Shell doesn't appear when connecting to RasPi via SSH

I have a raspberry pi with Arch Linux ARM installed. I would like to run commands via my laptop. I configured SSH correctly and I can log in, but I can't do anything. There is no shell. ssh user@host ...
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41 views

linux wtmp randomly empties itself

I've had this happen about three times now. Randomly when I log into my server and type "last" I find that there is no information given to me. Is wtmp periodically emptied? Is this something I ...
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985 views

Repairing Windows 8 after trying to dual boot it with Fedora 18

As the title states, I turned off secure boot and installed fedora 18 as usual using a liveUSB installer. This seems to have really miffed windows and now it refuses to boot. Grub2 comes up fine, I ...
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8k views

How to start a service using init.d in raspberry pi running raspbian?

I have Raspbian installed on my raspberry pi. I found some guides that should allow me to auto-start scripts on startup. But it is not working. I ran update-rc.d (not sure of the right spelling) and ...
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541 views

How to Improve OS performance when used from USB flash drive?

I have a Linux Mint 14 (MATE) .ISO installed on an 8GB Kingston DTSE9 USB drive. Booting takes about 1 or 2 minutes, which seems pretty normal for that kind of thing as far as I can tell. When ...
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740 views

How do I set the default permission of 775 for all new files and directories in server?

I'm trying to set the permission of any new files to 775 by default (inherited from parent folder), so that every user group can edit these files. I have found and followed this tutorial with no ...
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57 views

misterious collapse of Fedora 18 on a dual system

I've recently (about a month ago) installed Windows 7 and Fedora 18 as a dual system on my Dell Vostro laptop, and everything went well until my Fedora started shutting down out of a sudden, just like ...
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836 views

Virtual Box keeps crashing with message virtual box has stopped working

I have Virtual Box 4.2.12 and while doing guest installation (Oracle Linux), virtual box keeps crashing with these message oracle vm virtual box has stopped working Application event log has the ...
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602 views

Install SOAP on PHP 5.4.13

We recently started using MediaTemple for our hosting and only just realized that SOAP is not enabled in the PHP build. None of us are very experienced system admins so we asked MediaTemple whom ...
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336 views

Installing mono without root privileges

I use mono on my mac now for my .NET development, when I dont feel like using my pc, but I want to use mono on my Universities linux server, but I dont have root. Is there a way I can install mono in ...
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115 views

Vmware Workstation 8 on Gentoo - bridging additional NICs

I recently installed a new dual port NIC into my Gentoo workstation. According to lspci: 10:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06) Kernel driver in ...
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37 views

How to start a new linux session through a linux script- which command would be required to start?

I want to write a linux shell script that would start a new linux session to carry on application part. Which command should be used... will shell script would be helpful more to carry on this task or ...
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61 views

Linux Virtual Console bottom cut off

The bottom few lines are cut off in the Linux virtual console. I have switched around from nvidia drivers to the x-org servers and back, no luck. Interestingly, this issue occurs when booting from any ...
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440 views

feed data to remote SSH linux script through putty/plink that were launch by vb.net

I am stucked thinking to send data to the SSH linux script while it is running in plink with vb.net. I am able to get the output & surely able to execute the SSH linux script with ...
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31 views

How do you commit changes to an XML file to source control when they are changed by the users of a web app?

An admin web app (closed-source, 3rd party) that we use generates XML files into the Linux server where it is running. These XML files contain application settings for a production application. Only ...
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47 views

Routing issue from virtual machine in weird network situation

I have a a bit complicated network topology I have a router from my ISP with the network 100.0.0.0/24, the router's IP is 100.0.0.1 My own Linksys router has 100.0.0.2 plus 192.168.1.1 for my LAN I ...
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154 views

autologin to root user with .cshrc

How do we cause login cshell to automatically execute sudo su - when a user first ssh into the linux box from Windows putty ? We tried putting this line sudo su - in .cshrc file but it is never ...
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294 views

How do I setup syslog.conf configuration to log into a custom log file?

I am using syslog in my application, I have created a rule in syslog.conf file to log data from my application in to specific file. This is working correctly, but it is also writing to the standard ...