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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how to add application to initrd.gz

0 down vote favorite i have initrd.gz (from linux parag*n live cd) i want to edit the file inside and add app like apache,ophcrack,etc. so far i've done extracting by following these step ...
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Squid time based ACL

I've got time-based ACL's configured that I thought were working, but they're not. Here's what I have set: #### Time access ACLs #### acl weekday_access time M T W H 7:30-21:00 acl friday_access time ...
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2answers
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Disable Root — what all issues will arise?

I have a linux server that I access using root and SSH keys (i.e. no root password). I have also created a non-root-user (and a corresponding non-root-user's-password) with sudo privileges. My web ...
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Dual Boot Lenovo ThinkPad L520, 32 or 64 bit for Ubuntu

I'm confused... Lenovo runs Windows 7 Professional 64 bits but I'm unable to dual boot any Linux Distro in 64 bits, only 32, system freezes in BIOS while it reads the USB Live Key (freezes at install ...
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Transfer speed of an individual process

One of the processes on our webserver that talks to an external email server is running really slowly. How can I find its transfer speed to/from the mail server? Needless to say I can't just look at ...
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2answers
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How do I manipulate a file that is named - (i.e. dash)?

I have a file named - I don't know where it came from, but I would like to look inside it to find out more about it. However, all of the Linux commands think I'm referring to standard input or they ...
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Opening an serial connection to bluetooth device with Bluez4 and rfcomm fails with connection refused

I have a Radxa Rock single board computer running Debian Jessie. Attached to the Radxa Rock I have a Bluetooth dongle (Anycom-500). With this Bluetooth dongle I want to pair with a LEGO Mindstorms ...
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Scrolling in tmux over SSH (PuTTY) [duplicate]

I'm SSH'ing into my RaspPi (Raspbian) with PuTTY and I want to user tmux in order not to worry about a connection ending while I'm installing something. My Problem is, that when I call tmux from a ...
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Gitlab 7.10 install doesn't create proper ssh git user config?

I am setting up a Gitlab instance on my home VM lab and am baffled with the way SSH is configured in Gitlab so I would appreciate some insight into whether I am doing something wrong or is Gitlab ...
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Funtoo vs Gentoo [on hold]

What are pros and cons for gentoo and funtoo? From my reading I like funtoo more (git for portage tree, its networking, ...) but I read Now the Funtoo packages tend to be older and masked in a way ...
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Raspberry PI not booting

I just bought a Raspberry Pi B+ model and i am trying to load SNAPPY UBUNTU CORE using it. I have followed the instructions and wrote the ubuntu core into a 32gb SD Card. But it seems the Pi could not ...
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Replace an installed program with a newer version

I have GCC 4.6 on my Raspbian installation, but I'd like to use GCC 4.9. I can of course do sudo apt-get install gcc-4.9 but then I have to use gcc-4.9 in order to use the newer version of GCC. I can ...
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2answers
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start process from ssh and be able to close connection

I'm connecting to my RaspberryPi with Raspbian installed via ssh. My problem is that I can't let the RasPi do things (e.g., installing software, performing calculations) while my computer is shut ...
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Ubuntu Server 14.04 unresponsive / crashed after a while

I recently posted a question on ServerFault in hopes of getting some hints on where I might look to find the reason for my recent crashes. It was closed as off-topic (because I am an 'end-user' asking ...
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How can I access the internet connection on a windows machine via usb from a linux machine?

Suppose I have a laptop with a linux system with no internet connection, and a windows 7 pc connected to the internet. How can I use the internet connection of the pc on the laptop, connecting the ...
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3answers
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Why I can't access to this directory after that I use the chown command?

I am not so into Linux and I have the following problem. I have installed a LAMP environment of an Ubuntu Linux system dedicated to the develop (it is on my PC and it is not a production server). So ...
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1answer
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Select default network card

I have a laptop connected to the internet via Wi-Fi. It is also connected to a private network via LAN. If the laptop is connected to both networks it doesn't have internet connection. How can I tell ...
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1answer
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How to correctly set writable the /var/www/ directory of an Ubuntu Linux system?

I am a software developer so I am not so into operating system configuration details and I have the following problem. I have installed a LAMP environment of an Ubuntu Linux system dedicated to the ...
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NullPointerException using the VisualVM launcher

I'm running Arch. I installed eclipse-java from the AUR and later installed visualvm from there too. After setting up the visualvm launcher, and creating a run configuration using it, I still get a ...
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1answer
32 views

Why does BTRFS seem to have comically large allocations for metadata? [duplicate]

I've recently discovered the marvel of a modern filesystem, btrfs. After playing with it for a few hours, I decided to dive straight in and converted my entire /home partition using the btrfs-convert ...
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1answer
21 views

Linux: routing table - Gateway column: 0.0.0.0 vs *?

I have found SO question about What does 0.0.0.0 gateway mean in routing table? but this is not exactly what I want to know. I have noticed that in some outputs (e.g. here) of Linux route -n command ...
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Script that search for a string in the ouptput of a command

This may sound a bit complicated but I do not see any other way. I want to create a script that will check after running the command 'cli ha' to search if a certain line contains a string = 'Active' ...
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Stop automatic comments in my crontab

I have added the bellow cron jobs in my crontab : 0 5 * * * /bin/systemctl restart gb_subagent.service 28 13 * * * /home/comment.sh &>/tmp/errorcron.log 29 13 * * * bash ...
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How do i remotely connect to linux box bu tunneling via windows machine

i have a windows machines which serves as jumpb box where it has access to other network behind the firewall and i can do RDP from my laptop(windows) to this windwos machine (JB) Now i need to ...
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1answer
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How to keep the reverse shell open in Netcat?

As soon as the command prompt is closed on the target machine the reverse shell is closed on the client machine. Is there any way to keep the port open and Netcat working after the target machine ...
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1answer
9 views

Wake on Lan - Install a client on a Linux machine

this might seem obvious or stupid to somebody, but I can't find anything that helps me yet, besides the fact that I'm not a Linux user. I've got 2 NAS boxes (Iomega, now Lenovo) IX4-200D and ...
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Which smartphones supports most operating systems? [on hold]

The title says everything, I would like to know, which smartphone supports the most current operating systems? I am thinking about the following systems: Sailfish OS Android Custom Roms Tizen Ubuntu ...
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0answers
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How to move specific icons from message tray to top panel in Gnome 3.14?

I'm using Fedora 21 with GNOME shell 3.14. I found an extension called TopIcons which works well but it moves all icons, whereas I need only specific ones. I found an instruction but it seems to be ...
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14 views

Live TV streaming with Tvheadend works fine on laptop, but not on home server

I have a DVB-T TV tuner USB dongle (Afatech AF9013/AF9015) which I'm using in conjunction with the latest version of Tvheadened and the latest stable build of Kodi. I ultimately want my small home ...
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5 views

Plesk 12 PHP Cache options

On my Plesk 12 vServer I've installed multiple PHP versions: PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 I'd like to enable a cache method (APC, Redis, XCache or Memcache) for all of those PHP installations. ...
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Setup default PHP version in Plesk 12

I've just setup a Plesk 12 CentOS6 vServer. I installed some PHP-versions like 5.4, 5.5 and 5.6. The customers can change the running PHP version in the interface. All is working fine, but I have one ...
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How to boot the GRUB rescue prompt as i am unable to format the laptop

I installed Ubuntu in my laptop. After some days i was trying to format my laptop through the recovery mode given by laptop manufacturer. I went into the recovery partition by navigating through the ...
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Sugar on a Stick Installation on white Macbook 2009: Don't

This is more a psa than a question. If you know better where to post, please let me know. I have been trying to install sugar (not) on a stick on the main drive of my daughters white macbook, 2009. ...
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Set up Firefox sync programmatically

I want to set up Firefox sync from the command line. I wrote a Arch Linux install script I want to be able to set up Firefox sync as well. I am thinking I can change the profile somehow, but I am not ...
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Use IPTables FORWARD for NFS

I have this topology [R1] -> [F1] -> [Server] I need to pass ssh, web and nfs traffic through F1 to Server using iptables. It's quite easy with ssh and web but I'm stuck with nfs. I have set static ...
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1answer
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Kali Linux KDE login issue

I have installed a Login theme(Caledonian) in Kde. But after rebooting there is no text field to enter username. Only a Password field, but when I enter password, it says Invalid. I tried Console ...
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Force a Linux kernel module to be compiled as a module instead of built-in

I have the sources of the kernel of an embedded Linux box (specifically a QNAP NAS) which is running a 64-bit v3.12.6 Linux kernel, together with the kernel config files. What I'm trying to do is ...
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1answer
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Trouble with connection to irc.freenode.net via Tor

I have a trouble with connection to irc.freenode.net. I have set up Konversation IRC client according to guidelines: https://freenode.net/sasl/ https://freenode.net/irc_servers.shtml#tor Server: ...
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1answer
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Using second keyboard for for special characters [duplicate]

I currently having an unused keyboard (a HP's KBRF1921 to be exact). I always need to type some Greek characters such as αβɣ and latin character as abc. It'd be great if I could use one for latin ...
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1answer
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Can't shrink or move linux partition “leftward” in gparted

I have a partition that is completely full, and there is no unallocated space on either side of it to "expand into". So want to shrink one adjacent partition, maybe "scoot" the data over on the ...
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1answer
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Increase size of a vdi fixed disk, used for a virtualized ubuntu server

I have a fixed vdi disk in an ubuntu server (it's a virtual machine, i'm using virtualbox for handle this from my ubuntu desktop so). I installed a lot of things, and the disk is full (i wasn't pretty ...
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1answer
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Confusion about the `conntrack` extension of `iptables`

The iptables-extensions manpage has this to say about the conntrack extension (emphasis mine): This module, when combined with connection tracking, allows access to the connection tracking state ...
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1answer
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Disk encryption password prompt doesn't appear - Linux Mint 17.1

I've installed Linux Mint 17.1 on my desktop computer with full disk encryption set up. Upon starting my computer and after the splash screen, a black screen appears, and does not move on. If I type ...
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1answer
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How do I know if certain iptables extensions are available and enabled?

I was reading this: https://help.ubuntu.com/community/IptablesHowTo#Allowing_Established_Sessions It says "If the line above doesn't work, you may be on a castrated VPS whose provider has not made ...
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1answer
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Is there any way to automatically decrease subwoofer volume at night?

I'm using both Windows and Ubuntu, so a solution for either (or both!) would be great! I live in an apartment complex, and love to listen to bassy music and watch movies. My neighbors are fine with ...
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2answers
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Mac OS .bash_profile errors

I'm running Mavericks 10.9.5 and I have tried to install Metasploit from this guide. It was until the Install Homebew I used echo PATH=/usr/local/bin:/usr/local/sbin:$PATH >> ~/.bash_profile ...
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3answers
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Listing folders without certain file

I have a 150 subfolders. Apparently 4 of them do not have files that should be in them, named PKA.dump How can I run a command in linux to find which folders are missing the file PKA.dump?
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1answer
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Create M3U playlists for iBasso DX50 on Linux

I'm using an iBasso DX50 as my music player and I use Linux as my primary OS. I need to create M3U playlists to be imported into my iBasso DX50. I would try and edit some of the files myself but I ...
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error: no such device … entering rescue mode … grub rescue

EDIT After trying out these instructions still not working: http://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows The error during grub ...
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1answer
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Make traffic go one-way by using iptables

I have a network topology: [C1] - [R1] - [R2] - [C2] C1-R1 network is 192.168.100.0/24 R1-R2 network is 10.9.8.0/30 R2-C2 network is 192.168.200.0/24 What I need to do is to make C2 be able to ...