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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SSHing thru an HTTP proxy

Typical scenario: I'm trying to SSH thru a corporate HTTP proxy to a remote machine using corkscrew, and I get: ssh_exchange_identification: Connection closed by remote host Obviously, there's a ...
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956 views

Configure Java 7 Firefox Plugin on 64-Bit Cent OS

I configured Java on my Cent OS 64-bit machine by running the following command yum install java-1.7.0-openjdk.x86_64 But I cannot find the "libnpjp2.so" file as mentioned here: ...
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Why my setting with NFS and setuid not working in Linux

I'm using Linux. On machine A I have such NFS setting in etc/exports: /home 10.0.129.130(rw,no_root_squash) I mount this directory on machine A on /home/nfs/ on machine B. And I've set setuid using ...
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273 views

Add /home partition space into / partition Fedora 20

I am using Fedora 20 and I have 10 GB for my / (root) partition. I am currently running out of space on this partition. My /home partition has almost 60 GB free space. I need to use the root ...
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80 views

Copy shell configuration from one machine to another?

I've got login to another server where shell configurations are not like I would want. For example I don't see my username and CWD on prompt, and when I press arrow key, instead of giving last entered ...
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3k views

apache wont follow symlinks | 403 permission denied

I'm using Ubuntu 14.04, and have a problem with the Apache configuration: I created a Symlink from /var/www/html torwards /home/me/myWebDirectory but localhost/myWebDirectory renders a ...
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543 views

How to Prevent Host (Windows 7) from Sleeping while running Guest VMs (Virtualbox)

I've been trying to run several VMs in my Windows 7 machine, but it keeps going to sleep without regard to the working VMs. Is there something I can do to prevent this from happening?
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226 views

proxy server is refusing connections on windows

I have a weird issue.I have a remote proxy server,with installed squid3.When access to proxy from Linux the server works perfectly,but from windows i get always the same message : the proxy ...
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899 views

Delete empty column from csv file with bash script

Looking for some way to look at a csv file and delete columns including the header that have no values in the subsequent lines that follow. Perhaps if I wanted to delete column Test03 from below ...
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205 views

Changing boot order/booting from USB

I have the kali-linux-1.0.6-amd64 downloaded on my desktop and have used "Universal-USB-Installer-1.9.5.2" to install this on my Usb. With it completed and the Usb plugged into my computer. I then ...
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Oracle Linux VM on Virtual Box

I have downloaded 32bit Virtual Box version and 32bit Oracle Linux VM. This my basic settings: But then I'm catching: This kernel requires an x68-64 CPU, but only detected an i686 CPU. Unable to ...
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178 views

Using gcc (>= 4.8) with OBS (OpenSUSE Build Service)

I am currently using the OpenSUSE Build Service (https://build.opensuse.org/) to build ArangoDB. However, for some newer C++ features I need a fairly current C++ compiler. For some of the older ...
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2k views

I can no longer login as root user (Raspberry Pi running Raspbian)

Raspberry Pi running Raspbian (2014-01-07) The error seem to have come from nowhere, as I was trying to login as root via SSH (yes I have it activated - for now) I got the message "Access Denied" ...
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38 views

rsync from two servers to a common location

I have two servers and I want to rsync files from both servers to a single location. Server 1 has files A and B Server 2 has files A and B After rsync server 3 has file A and B When a user ...
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641 views

How to manually setup Grub2-efi to triple boot Linux

To install/due-boot Linux on an EFI-capable computer with an pre-existing operating system, like Windows 8, the UEFI - Community Help Wiki at https://help.ubuntu.com/community/UEFI have covered it. ...
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460 views

Debian: connect two local networks

currently I'm trying to connet two local networks as it seems both networks don't know each other. Herre is the network setup: My local home network: 192.168.0.0/24 A Rasperry Pi as an Access Point ...
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100 views

Full backup of a HDD with NTFS and EXT partitions using Windows

Windows can't read EXT, there are some apps to do it but are very limited and I need to do a full backup including the OSes (Windows 7 and Linux Mint) on the disk so it can be run from VirtualBox or ...
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318 views

Is it ok to install a new 64bit (K)ubuntu version over an existing 32 bit one?

My current OS is a Kubuntu 12.04, 32 bit version; since my hardware is at 64 bit, and with the next Long Term Support release approaching, I'm considering to upgrade with a 64bit over a 32 bit copy. ...
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54 views

Block/hide partition for Windows

I have a notebook w/ Win8.1 installed, and Linux alongside it in it's own partition.(duh) The thing is, I don't want the Windows system to be able to put crap on the Linux partition. I'd like to set ...
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444 views

How ssh to a virtualbox with static ip (192.168.1.111) from linux host machine with no wifi/ethernet?

When there is no wifi connection or ethernet connection, I'm unable to reach the OS in VirtualBox from the same machine (i.e. the host OS). From reading this post: ...
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98 views

How can I run Firefox in full-screen mode (no tab bar, no top bar, no address bar), but still see the task bar?

I basically want full-screen mode but still be able to see my usual task bar. I want all the bar in the top to be hidden unless I move my cursor to the top. In that case they should just pop up so I ...
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387 views

CygWin terminal in remote console (SSH) not starting at correct $HOME path

I have installed CygWin v1.7.28. The problem quickly explained: Basically, when starting a CygWin shell via remote login, the $HOME is not where it should, with all derivated (bad) consequences of ...
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97 views

Linux Mint Maya on Student Computers. How do I find the application name for Youtube?

I have 12 student computers that are running Linux Maya. I have windows 7 with limited control over the student computers with LAN School. LAN School is not compatible with Linux, I am fully aware of ...
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290 views

How to remove all the boot data created by Ubuntu or Fedora?

I'm trying to reinstall Linux in one of my two hard drives. The problem is something went wrong previously and it seems to have been persisted into a boot sector or something. So now when I try to ...
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Ctrl C breaks the keyboard on Linux

I'm using a USB keyboard which works fine on Windows, but on Linux (Ubuntu and Fedora) this happens. When I press ctrl C to copy some text, the keyboard stops working and I can't type anything ...
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445 views

How to copy all end files in a directory to another directory in unix?

How can I copy all of the files that are found in subfolders within one directory, to another directory? I am having trouble with this because some of the end files are in more folders than others. ...
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62 views

remove specifying the full path in sudoers

I am trying to add a NOPASSWD entry for 'sudotest.sh' (or any script/binary that requires sudo) in my /etc/sudoers file (redhat) but in order to make it work, I must specify the full path. The ...
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605 views

Cannot control fan in ubuntu 13.10 thinkpad edge e531

I am having trouble with my fan on my Lenovo thinkpad laptop. I have installed lm-sensors and ran sensors-detect and also added option fan_control=1 as a module parameter. The issue is two-fold. ...
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2k views

Debian is saying that i'm out of space when ever i try to install or remove packages

here's the return from df: ~$ df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/debian-root 321041 310074 0 100% / udev 10240 ...
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109 views

How to read apple HDD on linux without root privileges?

My question is very simple. I just want to read my Apple HDD on my linux computer without root privileges. My goal is only to read and copy some file from my home directory (in Documents). Currently ...
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170 views

Samba 3.6.6 always creates as guest

Ok, here is my smb.conf: [global] workgroup = workgroup server string = %h dns proxy = no log file = /var/log/samba/log.%m max log size = 1000 syslog = 0 panic action = ...
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375 views

Watch a filesystem and rsync changes in a cross-platform way with minimal dependencies

I'd like to start a long-running Ruby or Python script, and have the script watch a local directory for changes to files and new files. Periodically, the script will trigger a one-way rsync to a ...
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How to Compile and Install Remmina From GIT Repository for Ubuntu (KDE)?

Gentlemen, I would like to compile a version of Remmina directly from the GIT repository, because I need to apply a patch to fix a problem. With the command sequence below I can compile it and ...
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277 views

Encrypt my Ubuntu fileshare

I want to setup a simple Ubuntu fileserver and have the Samba share encrypted. The trick is that I want to be able to simply power the server on and have the Samba shared files accessible to the ...
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340 views

linux live on SD card - booting with persistence automatically

i am running a live debian distro with persistence off an SD card with linux live. this is all working fine, but in order to boot with persistence, i must currently press TAB and manually type in ...
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825 views

passwordless ssh using id_dsa.pub or id_rsa.pub or identity.pub not working

I have a solaris 8 box and im trying to authenticate using no password the user george onto a solaris 11. versions of ssh: solaris8: OpenSSH_3.4p1, SSH protocols 1.5/2.0, OpenSSL 0x0090607f ...
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236 views

Firewall - Allowing DNS for allowed domains only

Some firewalls blocks domains on DNS level. It stops getting IP addresses by ping or other DNS query for those blocked domains. I tried creating a firewall using iptables, but it still sends an IP ...
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465 views

Minecraft proxy/vpn setup

I have a server which I want students at my university to be able to access. However for some reason the university network drops the connection and since this is an entertainment service, while not ...
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530 views

Routing tables and ip forwarding between two machines

Hi my current network is like that [Raspberry]--eth0--------p3p1-[Laptop]-wlp3s0------[Router]-------INTERNET eth0 = 10.10.10.2 p3p1 = 10.10.10.2 wlp3s0 = 192.168.2.11 Router = 192.168.2.1 I would ...
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433 views

Virtual KVM (Software KVM)

We have the popular Synergy and Input Director software KM solutions, where you can share a mouse and keyboard over network with another computer. However i would also like to share video (Monitor) ...
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94 views

Read-only archived maildir tree from Linux

I have archived my old mails (from another system which goes back forever). I do NOT want to import it anywhere, but I do want to be able to read it. Ideally it should also work when I make everything ...
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97 views

CPU fan extremely fast even with 0% CPU

I just reinstalled my operating system (Crunchbang on Debian testing), and all of a sudden the fan is running as fast as it can even with 0% CPU. The air coming out of it is cold. The only CPU ...
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390 views

Delay in FTP when transferring to a network storage

I'm having trouble with an FTP server, the FTP server is running on CentOS. The FTP server being used is VSftpd 2.0.5 ( I believe this is the default server that was installed with CentOS ). Prior to ...
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How to hide the destination of a symbolic link

Say for instance I want to link the following two directories with a command like this: ln -s /home/usertwo testdir When I click ls, in the directory where this link is created, i will see ...
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421 views

Can I use different server IP address in NTP time synchronization?

By default, it is something like, server 0.rhel.pool.ntp.org server 1.rhel.pool.ntp.org server 2.rhel.pool.ntp.org Can I choose my server IP address for synchronizing time?
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Asterisk Configuration on wireless network

I have installed Asterisk in my laptop on Ubuntu. Afterwards I created wireless network on the same machine (on which I have installed Asterisk). Next I installed 3CX softphone client on two laptops ...
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232 views

How to set iptables?

I want to allow traffic only for httpd(nginx), port 2710 and ssh. I've tried the following, but it didn't work and apparently all httpd, traffic was blocked and I couldn't access ssh as well. There ...
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371 views

Expose virtual machine to internet [pentest lab]

I would like to create a virtual machine using virtual box for making a hacking lab and allow someone to try to hack it from internet. (So the virtual machine would be the victim). How can I do that? ...
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84 views

Where are linux apps installed from?

Apologies in advance if this is off-topic. When I want to install an app in, say, Ubuntu, I go to terminal and type something that indicates I want that app to be installed. What I don't do is type ...
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245 views

Understand what is happening in Linux with ps, top, and free

I'm running my java program on a 12 cores 24 thread machine. They have several processes that are running simultaneously. It seems that I performed too many processes so that the whole tasks made the ...