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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VPN does not reconnect (cannot resolve host address)

maybe someone can help me: At the moment i am trying to configure a fail-safe VPN connection to a commercial VPN provider on a virtual machine. This is working fine, until my router wants to reset my ...
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check_oracle_health with OPS$Nagios account

I can login to my database via sqlplus with the OPS$ account, but i cannt seem to get it to work in with the nagios check_oracle_health. Im testing from the command line. ...
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Which system is this?

I'm working on a project that build its image .qcow2 based in a temporary file system generated in /tmp/ folder. It looks like this: $ls -la /tmp/ -rw------- 1 root root 7G Jan 30 09:55 ...
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1answer
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Mount external hard drive with r/w permissions for minidlna

I trying to mount my external hard drive (NTFS) on my raspberry pi in /home/pi/dd But I would like to have r/w access to all files on this HD because I want to use one of its subfolders with ...
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Can Netflix OSS system be used for applications built in php and/or python?

I came across NetflixOSS open source project http://netflix.github.io/#repo I was wondering if it would work out of box with php and python applications. How can a person tell what types programming ...
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Changing systemfile on linux - from ext3 to ext4

I would like to change file system on one of my disk. I know steps: format, unmount, install ext4, mount, but I can't find any helpful information about it. Could you help me with it?
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Linux C Compiler

I've just tried to install APCUPSD and have run into a missing C compiler error. I then ran yum install compat-gcc-34-g77 which went fine but the error did not go away, I tried which gcc as well ...
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33 views

Preferred linux partition sizes on modern systems

How much should I allocate for / (root/boot) in 2015? Do I need to account for additional programs to be installed in this partition? I don’t want this to be a discussion about the size of the swap ...
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VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
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What could be reason for Tx packet error in ifconfig output

I am working with MAC to MAC MII link in my embedded board. one end of link has MPC8569 processor (free scale) and other side has BCM68610 controller (broadcom). I am trying to ping my switch from my ...
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cannot see files from SSHFS

I followed the instructions provided by digital ocean to mount an SSH connection using sshfs and macfuse. It is working from the commandline I can see the remote folders in /mnt/mydir But in Finder ...
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29 views

How to remove Linux Mint to install Windows 8?

I have a computer with only Linux installed. How do I remove it to install Windows 8? All I see online is about dual boot but I don't have that, just Linux on my computer. The way I installed Linux on ...
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Shared data partition for dual boot, multiple hard drives

What is the best way to approach doing a dual-boot (Windows + Linux) with one SSD and one HDD? Naturally I would partition the SSD to have Windows and Linux. I want the separate HDD to be for data, ...
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HTTP download speed difference in windows 7 vs linux

I have a strange situation regarding a Windows 7 Home Premium PC which is showing limited internet transfer speeds for no apparent reason. The setup: internal gigabit LAN, behind a TP-Link WDR3600 ...
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How to make application installations permanent with Linux Mint in a VirtualBox?

I installed Selenium, PyCharm and more software on Linux Mint in VirtualBox. However, once I exit the Mint and VirtualBox and login back later on, I find the installed software to be gone. I get a ...
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Alternative to Alt-Tab on Openbox?

I get RSI from using Alt-Tab. 1) Any easier app or way to switch tasks? 2) Can I map it to a single key ? I use Openbox as my Desktop Environment and I don't use panels much.
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How to get current SSH passprase from Apache2 server?

I’ve fogotten passphrase for my SSL certificate private key, however, I’ve got running Apache sever, that uses that key. Is there any way to get passprase or unencrypted version of private key from ...
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Linux program used to gather installed packages, processes, listening ports, etc.?

It's hard to Google this because it seems like everyone and their kid sister has written a script to gather system stats! I once saw a mature program written that is used to gather system stats like ...
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failed to open stream too many open files - php 1024 maximum limit - Redhat - why isn't new limit working?

I've got this message while debugging a problem in a PHP program. I've already edited the /etc/security/limits.conf and added * hard nofile 500000 * soft nofile ...
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Using find on Linux to find files with group/other permissions that match

I've got a need to find all files in a directory where the group and other permissions match (eg. those where the group membership of the file doesn't actually affect access). Since there are only 8 ...
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1answer
7 views

Linux Watch Memory Command

I am using watch -n 5 free -m command via terminal to watch the memory fluctuate as I run virtual box with a guest that is limited to 4GB of RAM(it allocates 4GB on start of virtual guest). Under ...
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1answer
12 views

SSH hanging after accepting public key

I'm getting strange behavior from ssh. I'm trying to log in to an ssh user named 'nfs' (e.g. ssh nfs@example.com) and it accepts the public key, but hangs. The contents of ssh -vvv immediately ...
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Strange Vim/terminal use from ssh via Mac OSX

I am using terminal from a Mac OS X 10.10 (Yosemite) and SSH’ing into a fedora machine and am having a couple strange issues with the terminal: When I :q from vim, the contents of the vim screen is ...
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ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
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MJPEG format not working

Gphoto2 captures live preview frames from cameras and store them as a MJPEG encoded movie. For some reason, nothing besides ffmpeg works with it as it should, all programs just see the first JPG ...
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Linux virtualbox machine ssh from host

I've recently created a CentOS 6.5 Virtualbox machine. (Portable-Virtualbox) This is currently a replica of the CentOS 6.5 desktop that I use as a file server. In order to use this Virtualbox CentOS ...
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user/sys/irq separate load averages

Is there a way to get load averages for each type of load on Linux? I have a router doubling as a web server and I'd like to have a load average for user+sys (i.e, time spent serving pages, roughly) ...
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How to check whether MOD drive is working in Linux based system

I have an issue with the Linux based computer which belongs to Hitachi MRI Medical Equipment. We replaced the MOD drive(not CD or DVD) which was used to read MOD disks. After replacing the Drive I am ...
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1answer
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Kali Linux inside VMWare using NAT: DNS not resolving names

I have a Kali Linux installed in VMWare Workstation. The virtual machines is configured for using NAT. The host server is Windows 8.1. DNS in Kali is not working: $ ping -c1 www.google.es ping: ...
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18 views

Screen: user session closed, why?

For a couple of years now have been relying on a bash script that invokes a java server process via screen; until last night it has run flawlessly, just ssh into remote server >> sudo screen >> invoke ...
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ethernet port is not detected in freescale MPC8569 board after kernel updrade

I have a freescale MPC8569 embedded board. previously, I put linux version 2.6.32 on it and all interface connected to processor are working properly. Now, I upgraded my linux version to 3.10 and now ...
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connection timeout in gnome connection manager to use ssh to server

conection-manager tool in UBUNTU to ssh to one of my server. Previously i was using putty in windows. Consider a situation, where i want to run continous ping and lock the screen, after 2 hr it ...
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OVH linux vps stuck in rescue mode

I have tried the fdisk -l command and it shows no drives at all, i tried ls and get nothing, I am pretty new at this so what should i do? the control panel on the site will not allow me to reboot in ...
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1answer
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I can't see the net card using “ifconfig -a”

My computer had two network cards and runs the Ubuntu 14.04. The OS had named the two cards p4p1 and p5p1 respectively. They worked well until the old motherboard was replaced yesterday. After the new ...
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2answers
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How does an OS run before drivers are installed?

I am looking into hardware compatibility of BSD vs Linux vs Windows. One comment that keeps reoccurring is "check your hardware before installing any variant of BSD". This is also a (smaller) issue ...
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1answer
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Is there a way to send and recieve text messages via a linux terminal? [on hold]

For the most part I am focused on Linux terminals and hate to look down on my Apple device; so I was wondering if there was a way to send and receive text messages in a command line. I have an iPod ...
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Btrfs: RAID 1 on 3+ devices

I currently have a Btrfs partition with four devices: three 3 TB drives and a 4 TB drive. Data and metadata are RAID 10, so I have 6 TB of usable space, which is almost full. I'd anticipated that RAID ...
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Raspberry Pi - SSH forbidden

I've been using MySQL Workbench to add a few databases to my raspberry. However, when I turned it on and on again, it wouldn't let me allow logging in again. bash: /etc/profile: Permission denied ...
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Follow current window in screen -x

Using screen -x (after connecting over ssh) from a second computer is a great way to follow what someone is doing in a terminal. However, if the first person changes the screen window (C-a p or C-a ...
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23 views

How to Use Different Size Drives as a Single Volume Mounted in Windows via Samba Share

I have a Linux server with four 2 TB drives in a RAID arrangement. This array is then added to a Volume Group and a Logical Volume is created from it. This Logical Volume is shared out to a Windows ...
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1answer
19 views

'iwlist wlan0 bitrate' says “unknown bit-rate information”

I set bit-rate of wireless interface 'wlan0' using iwconfig wlan0 rate 54M fixed Now, how do I verify if it was set right? iwlist wlan0 bitrate says unknown bit-rate information
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Can I use my DSLR as webcam through gphoto2 + v4l2loopback?

So, what i'm trying to do may be a little complicated, by i'm finding my way. Let me explain the basics: 1 - I have an DSLR camera and i want to use it as webcam (but v4l2 can't make a /dev/videoX ...
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1answer
29 views

How do I securely mount a remote file system as a drive letter on Windows?

I have a NAS server running Linux, and I want to map it as a network drive on my Windows PC. Additionally, I want the connection between my Windows PC and NAS box to be secure (e.g. encrypted). ...
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Unable to get kickstart file from http webserver?

I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided. Code to build vm: ...
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AWS EC2 Linux headless Firefox issue: Xvfb: undefined symbol: pixman_glyph_cache_create

I have been using AWS EC2 Linux for a while for a headless Firefox/Selenium task. I built it using the instructions from ...
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Failed to modify entry for user in samba with tdb backend

I have a debian server with samba. I can no longer manage users accounts. I can't add, modify or remove them. This is Debian wheezy with samba 3.6.6. There is no ldap and the database backend is tdb. ...
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1answer
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Can't set locale to en_US.UTF-8, but locale -a says it's available. No root

I'm trying to use powerline symbols in gvim. Part of that requires that I set my locale to UTF-8. export LANG=en_US.UTF-8 Afterwards I see the following errors. For gvim: bash-4.1$ /usr/bin/gvim ...
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Getting Dual-boot to work on (non?) UEFI system.

This is the first time I'm working on a Laptop with UEFI so bear with me. I'm gonna bullet-point this to make it quick: HP Envy 6 Windows 7 Preinstalled Default BIOS setting: Legacy Support - ...
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1answer
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Listen for wakeonlan request

I would like to know how to listen for wakeonlan paquets on a running system. I know that my question if a little bit useless, because is a system is running, there is no need to wake up it!
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1answer
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Unsupported GPT detected. Use GNU Parted

I'm installing Android-x86 in Dell XPS on SSD disk. I use GPT on SSD disk as follows with using gparted. $ sudo parted -l /dev/sdb Model: ATA SAMSUNG SSD CM85 (scsi) Disk /dev/sdb: 32.0GB Sector ...