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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Unprocessed orphan inode list in VirtualBox VM

Recently while using my VirtualBox VM, the system crashed. Afterwords, the VM would no longer boot (I am using Vagrant). In my troubleshooting, I turned on the VirtualBox GUI and found that the ...
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Move partitions from pen drive to unallocated space in hard drive

I have built and installed Chromium OS on a pen drive following the instructions on this page. I can boot into the pen drive and use Chromium OS as if it were installed on my computer, I'm able to ...
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RT5572 can authenticate using WPA2, but can't get an IP address from DHCP

I have a system running open embedded Linux with the Ralink RT5572 wireless usb card. I have the driver installed along with wpa_supplicant and I need to be able to connect to a WPA2 secured network. ...
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Cannot access server via SSH in terminal

When I try logging in via ssh root@server.org I am asked for my password, however when I enter it, it doesn't work. I can access the server by a different user then run su root and the password works ...
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How to configure a cron.d crontab file for root

What's the procedure for installing a cron.d crontab file to be run as root? I have a script I want root to run every 10 minutes, so I installed the file /etc/cron.d/mycron: SHELL=/bin/bash ...
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date keep showing wrongly everytime after reboot

[root@sjoam2 ~]# date Fri Jul 31 04:04:18 SGT 2015 [root@sjoam2 ~]# hwlock -bash: hwlock: command not found [root@sjoam2 ~]# hwclock Fri 31 Jul 2015 04:04:27 AM SGT -0.797288 seconds [root@sjoam2 ...
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What's the fatest way to calculate in command line?

Is there a faster way to calculate in command line the following: echo "4 * 5" | bc
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To open lrzip-compressed in Debian 8.1

I downloaded the SageMath jessie package here but I cannot open it. I get the warning in ArchiveManager Could not open this file type There is no command installed for Tar archive (lrzip-compressed) ...
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How to recover Windows partition in dual boot?

I've installed fedora 21 in my computer, i've made the partitons correctly, appears the boot menu and starts correctly in fedora, but when i try to boot in windows appears this error: Windows Boot ...
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Cannot remove file from Linux filesystem

I have this file and I cannot get it removed from the filesystem: [root@ad Windows10]# ls -las total 16 8 drwxrwx---+ 2 root root 4096 Jul 30 10:19 . 8 drwxrwx---+ 12 3000024 users 4096 Jul 30 ...
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Unable to mount SD card

I'm not sure this is a right forum to post this question. However, I have this SD card I'm trying to mount on my linux machine. It always gives me mount /dev/sdb mount/ mount: no medium found on ...
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proftpd ignores HideGroup

I have an interesting problem when hosting a proftpd on a SL6 x86_64. When I compile from source, proftpd executable ignores the HideGroup feature. However, when I install an older version from epel ...
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To recover Calibre library from backup?

Assume your OSX's SSD broke but you have backup in Time-machine and your spare computer is now only Linux, for instance Debian 8.1. I opened a thread about the issue also to Calibre's forum here. How ...
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Only certain ubuntu 14.04 images accept ssh on parallella board

I'm hoping someone will have some specific insight into this problem even if they have no experience with the Parallella board itself. The Parallella is a microcomputer that's basically a number ...
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After formating a pen drive, the drive appears full of undeleatble garbage files

I'm trying to format a pendrive, under linux (Debian). I insert the pendrive and do not mount it. I log in as root and write: mkfs.vfat /dev/sdb This gets me the error: mkfs.vfat: Device ...
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Capitalize “FILE name.TXT” to “File Name.txt” in Linux Bash

I need a oneliner to rename all files in a directory from SomeThing.TXT NOT A FILE.ogg sensitive lalala.doc to Something.txt Not A File.ogg Sensitive Lalala.doc Most existing questions seem to ...
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Xorg not working properly in arch linux

New to Arch Linux and having problems getting any desktop environment or window manager to work properly after a clean install. After I installed the Nvidia graphics driver for my laptop I installed ...
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Is Linux or Windows better for learning Network Administration? [on hold]

I am currently studying for my CCNA, and while the textbook I have uses Windows throughout, is it better to learn it through Windows or Linux for Enterprise Network Administration? (By "better" I ...
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How can I run ssh without required dash options to run in background and open a new terminal

Similar to this and this question I want to ssh as a different user to a different host and run an interactive command. At the same time the ssh connection should drop to the background. The added ...
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ethtool or mii-tool support for kernel 2.6.24

I have a embedded system that has kernel version 2.6.24. I want to use ethtool or mii-tool in this system. I cross compiled ethtool package for powerpc mpc8250 cpu. when i use ethtool, I get ...
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How can I change the startup options on a (L)Ubuntu bootable USB drive?

I'm trying to install either Lubuntu or Ubuntu on an old Dell Netbook which has a 32-bit processor and 1 GB of RAM. I copied the Lubuntu ISO to my USB flash drive using a 3rd party program called ...
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Installed windows 10 and Linux, how to safely remove the Lenovo recovery partitions without messing up the boot?

Please look at the following screenshots. Is /dev/sda1 useful at all (Windows says it is a Recovery Partition)? Can I remove it? It is only 1000MB and removing it seems no use, so the best I can do ...
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I want to take tar backup of the directory whose name will be variable

I am trying to write a shell script in which I want to take tar backup of the folders which are formed on daily basis. For example my parent directory name is "log" and under this directory a ...
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Apache 2.4.16 fails to start in XAMPP stack “No space left on device: AH01760: failed to initialize shm”

At first everything appears to work fine; running sudo lampp start prints Starting XAMPP for Linux 1.8.3-4... XAMPP: Starting Apache...ok. XAMPP: Starting MySQL...ok. XAMPP: Starting ProFTPD...ok. ...
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Can I create a virtualbox server that manages all lan traffic and only when running?

I'm running a Windows 7 host and a Linux Mint guest vm in Virtualbox using a bridged adapter. I have multiple web sites set up in the guest os. Currently, I can only access the page at var/www/html ...
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How to send the Escape Key inside VirtualBox “vi” session?

When using a "vi" session within VirtualBox, how can I send the Esc key to change modes from input mode to command mode? I have tried many combinations which do not work: Ctrl + Esc Alt + Esc ...
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Need help setting upo Fedora (or CentOS) networking where VMs are bridged to external network cards

I have a RedHat style linux machine (currently running Fedora 21) which is host for a variety of virtual machines with variety of guest operating systems. It is essential for my purpose that the ...
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1answer
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How do I view the tab completion function for a command in bash?

I ultimately want to alias screen -r. I mostly want to do this because that command has an awesome tab completion feature that shows me the current GNU screen sessions. I want that power with the ...
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Memory Usage of `yum update`

I was updating a slightly out of date server with yum update and ran into memory issues. It appears that yum requires enough free RAM to download each package. Updating single packages was not a ...
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2answers
38 views

Concatenate csv-files with the same name from subdirectories

I found some scripts concatenating text files from different subdirectories, but all of them produced output files like "output.txt", but didn't keep the original file name. Structure Folder_A ...
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Debian Linux Desktop Environment breaking

I have recently started using Debian Linux as part of my project regarding Cubieboard PCs (Basically, a Raspberry Pi clone, identical hardware). One Cubie board has a Cubian X distro up, another ...
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Restrict sybase command stop_iq to certain linux users

I want to restrict access to stop_iq database shutdown utility to authorized users only under Linux, for example to the user 'dev' that belongs to group 'grp_dev'. I know the command is under this ...
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Adding a windows partition to an existing Linux GPT/UEFI drive

I have a working Linux system that boots from a GPT/UEFI drive. I would like to add a windows partition to this drive, without destroying the existing boot system in the process. Theoretically, I ...
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dropbear dbclient + scp, equivalent to openssh “-oStrictHostKeyChecking”

Using dropbear's dbclient and scp implementation, is there a way to get the same behavior produced by openssh when using the scp option "-oStrictHostKeyChecking=no". In other words, can I make ...
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Run command when a specific ssh config connect fails

This is a bit of a long shot, but what would be the best way of getting ssh to, if a connection fails, run a command, and then retry to connect. To share my use case, I am ssh-ing over an ssh tunnel ...
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Configuring WebDAV for folders with index.php

I'm trying to setup a remote server for webdevelopment purposes. We want to use WebDAV for connecting our Windows-systems with this Linux server, which is working great now - the server is attached as ...
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What are the posible solutions for maximum partitions achieved

Good day to you first. After solving a problem with rercieveing a file from my problem at this topic - Extracting files from windows to linux on a same partition i formated my C: (dev6) partition ...
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anybody know what is VG #orphans_lvm2 on a Linux host?

I see the below output from pvdisplay command: pvdisplay -c /dev/mapper/mpathfp1 2>/dev/null | grep :| cut -d: -f2 ##orphans_lvm2 The command is supposed to reveal proper VG name which the PV ...
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1answer
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OpenVPN server forwards DNS and Traffic to private + WWAN

Intended: OpenVPN server allows clients to masquerade as its public IPv4 on the WWAN, as well as connect to other local servers within the private network, e.g. the internal DNS server. The private ...
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Where to reset sources list for apt-get on Mint 16?

I'm trying to fix my apt-get, as it has been 404ing on sudo apt-get update for a while. However, nothing I do seems to fix these numerous 404s. It appears that there are many different places to ...
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Arch Linux Boot Halts on “Started Authorization Manager.”

I was using Arch Linux on my laptop, and during the shutdown procedures there was something making it wait and during that time my laptop ran out of batteries. Now when I try to boot it halts. This ...
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Mouse does not work on chrome after upgrading from 44.0.2403.89-1 to 45.0.2454.15-1

Today I upgraded (apt-get updateand apt-get upgrade) my Debian Jessy 64-bit and after this, new version of google-chrome (Google Chrome 45.0.2454.15 beta) is kinda frozen if I try to move of click on ...
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Add a package(RPM) to CentOS ISO

I'm having some trouble trying to install CentOS 7 (Everything iso version) on my Laptop with OSX Yosemite installed (Hackintosh). The error prompts when starting installation because it looks for ...
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1answer
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/usr/bin/env is pointing to wrong ruby version. “No such file or directory”

If I type "rake spec" I get. /usr/bin/env: ruby1.9.1: No such file or directory This problem started happening when I uninstalled ruby 1.9.1 and used rvm to install the latest ruby version but ...
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Windows using SMB shared from Linux + moving a hard link: what happens?

I have a linux file server which may have this example directory structure: /path/to/directoryA/file1.dat /path/to/some/common/place/data/file1.dat These files are hard-links of each other (i.e. ...
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BTRFS delete missing drive, ignoring I/O errors

I have a BTRFS file system, distributed on 3 drives (no raid). One of my drives died yesterday. I can still mount the file system using sudo mount $path -o degraded,ro About 120k files (out of ...
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Unable to live boot most Linux distros on VirtualBox

The host OS is Windows 7 and the machine supports virtualization which I have enabled in BIOS. (I can confirm it works because without virtualization enabled in BIOS VBox does not show 64 bit OS ...
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Copy On Write will stop working with Docker?

I have been using Docker with great pleasure, but there is a question that concerns me and for what I have found not explanations on the Web. In a "normal" GNU-Linux server, executing different ...
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Forward VOIP phone on eth1 over OpenVPN (tun0)

I have a remote computer connecting to my network via OpenVPN. This computer is running Linux Mint, and has two network cards: eth0: used for Internet connection eth1: has a VOIP deskphone plugged ...
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Amazon EC2 as a VPS [on hold]

I want to deploy an Amazon EC2, for my servers (mail, joomla, etc...), I also considerated DigitalOcean.com but i am a little afraid I lose all my things at DigitalOcean.com, so i'm looking for a more ...