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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Error on apt update: unable to connect to ftp.it.debian.org:http:

I have Debian Wheezy with kernel 3.2.0-3-amd64. Suddenly, from this morning (I'm italian), it's impossibile to correctly update the system via apt-get update. The system hangs on backport mirror deb ...
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16 views

Dual boot Win8.1 and Linux mint messed up

I have the following setup: sda: 1 partition for win programs (NTFS), 1 partition for data (NTFS), 1 partition for Linux Mint (ext4), 1 swap partition sdb: 64gb SSD with W8.1 ...
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2answers
27 views

linux cat into file including exiting code all from copy+paste

Can I print out a code to STDOUT that would mimic the behavior of Ctrl+c inside cat? E.g. I would like my script to print out the cat command followed by the content of the file like this: cat > ...
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18 views

How to create bootable USB in Linux without root access?

My laptop HD died (continuously getting grub-rescue screen with attempt to read or write outside hd0 error), now I dont have a bootable CD/USB and all PCs at my workplace have non-root access (so ...
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27 views

ssh connection sporadically hangs

Whenever I ssh to elsewhere, the connection is fine for 1-10 minutes, then hangs: no error messages, just stops accepting input. I can exit (CR-~-.) but that's it. I can't find anything suspicious ...
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16 views

Touchpad feedback in linux?

How to execute a command on every touchpad tap? I am constantly losing clicks (taps) on my touchpad, and situation doesn't seem to improve with new updates. I want to add a click sound for each ...
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34 views

Not able to create a user account in Linux Mint 17 Qiana with Mate desktop

Recently I installed Linux Mint 17 Qiana with Mate desktop, downloaded from the Linux Mint website. All works fine but I am not able to create new user in "Users and Groups" GUI tool. Opened "Users ...
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1answer
16 views

Setting up remote git repo that is on an encrypted drive?

I would like to set a remote git repo that I will be pushing to regulary, which is easy to do. But I want to set up this remote repo to be on a LUKS (Linux Unified Key Setup) formatted drive (via ...
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1answer
34 views

Lost boot from the hard drive after installing kali linux

I have tried to install Kali-linux with Windows 8.1. So I disabled fast and secure boot and installed the Kali normally but when I restarted my PC after the installation, it tell me: "Reboot and ...
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1answer
544 views

hexdump vs actual file contents

When I do hexdump filename.txt I get the following as output: 00000000 ac5a 5afb c08d 5d15 26d0 2491 e8c9 8917 00000010 When I do <?= bin2hex(file_get_contents('filename.txt')); ?> I get ...
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save alsamixer input source centos 6

I am not able to save the input source of my alsamixer. Every time I reboot the system the input source is set back to front mic. I want it to stay as rear mic. I tried alsactl store I disabled ...
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28 views

netperf udp with small packets on 10g link is bounded by ksoftirqd

I want to fill a 10Gbps link with very small udp packets (64B). I use the following command for i in 1 2 3 4 5 6 7 8; do netperf -H 192.168.56.2 -p 12865 -t UDP_STREAM -l 60 -C -c -- -m 64 -s 16M ...
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35 views

Ho do you stop and start php-fpm?

Ok I'm trying to install Ion Cube on an AWS instance created by Bitnami: https://aws.amazon.com/marketplace/pp/B007OUYR4Y/ref=srh_res_product_title?ie=UTF8&sr=0-4&qid=1413489962522 ...
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1answer
13 views

Passwordless linux account converted to Chroot jailed sftp now requires password?

I created a user and did an RSA key exchange for a passwordless connection. This worked. I also created a chroot jailed sftp only user. This also worked. I then created a third user. I set up the ...
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10 views

Unable to assign address to webhost

I am following this video http://www.youtube.com/watch?v=l86W-WKzhBo. At 6:16 he assigns web1 and web2 to 61 and 63. He was able to ping it afterwards. I however cannot ping it. The Destination is ...
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1answer
10 views

Add blurb to bottom of each comment section of matlab file in linux

I feel like there is a sed or awk magic that will do this. A matlab file is laid out as function [asdfasdf] ... %comments! %moar comments! ... % % code I would like to add an additional comment ...
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14 views

ssh sessions becoming unresponsive, server still shows user logged in

I have been having this problem with several servers that I manage. I log in via SSH and leave my terminal window open for an hour or so while working on something else. When I bring the terminal ...
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1answer
13 views

Change service apache2 on linux

I'm on ubuntu 12.04. The default exe location for service apache2 (usage ex: sudo service apache2 start) currently points at /etc/apache2/bin/httpd, but that will not modify the current running ...
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1answer
23 views

echo “something” > file not working when sh script is being executed by remote PHP server

I've got a web-server with my hardcoded webpanel for Source server management and I've got my VPS on CentOS which doesn't really want to execute sh script when asked from remote server. Web-server ...
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1answer
14 views

How is cpu providing UI and related process to monitor? [on hold]

While starting up the system, how could a monitor is connected to the filesystem of the machine? How can a monitor render the current process which is running? For this, I ASSUMED there might be any ...
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1answer
12 views

Using another Subversion repository within a project

I'm wondering if it's possible to use a subversion repository , located in another server than the Tuleap server, within a Tuleap project.
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14 views

How can I run WIFE - open source library

I am trying to run this software - WIFE - open source library After the download, unzip the archive and then I got -lib -src -pw-swift-core-SRU2014-7.6-B1410151122.jar My question is, what is ...
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18 views

Does good file/folder synchronization agent exist in this world? [on hold]

What I mean by good: works whenever it is possible (continues across boots or when destination gets reachable); doesn't whine when it is not possible (destination is down or not reachable); watches ...
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9 views

Is it possible to group cups print jobs so they will not be interrupted by other users print jobs?

I am working on printing very large images on a custom type printer, in linux, using cups. Because of memory limitations, the images are broken in chunks. Each chunk is sent to printer using ...
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1answer
23 views

Not able to reallocate memory in hard drive through disk management. hard disk partition not booting

I had linux and windows 7 dual booted in my system after which i thought to remove linux ubuntu due to grub problem so i overwritten the loader to get back my windows 7 to use since i was not able to ...
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1answer
23 views

Linux RAM throughput statistic for a given PID

How do I find out how fast is a certain process accessing the DRAM? There are lots of ways to monitor the CPU usage, memory footprint etc etc, but is there a utility I can use to monitor the memory ...
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9 views

sshfs incremental log file caching

I am using sshfs to access logs of our application. Logs consist of old gzipped files and one current file where application writes to. Gzipped files are downloaded and cached localy after first ...
0
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1answer
16 views

Exit status of commands before last command

On OS X, Linux, and other systems, you can use $? to get the exit code of the last command. Is there any way to exit codes of older commands? Either by saying "give me the exit code of the nth ...
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10 views

domain controller like server for linux

I was thinking about swiching my office over to linux (everything) In terms of workstations, libreoffice is all i really need (on most stations) But as far as server go, I need to be able to mannage ...
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10 views

Powerline shell/theme.json examples for status line

I have made a copy of the config_files located in powerline. /user/local/lib/python2.7/dist-package/powerline/config_files and copyied them to ~/.config/powerline. Next i changed the ...
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12 views

Disable buffering/caching for a file

I am executing some benchmarking using a DBMS and virtual machines. And I am using this command free && sync && echo 3 > /proc/sys/vm/drop_caches && free on each Guest, ...
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0answers
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OpenSuse 13.1 PPC64 Port - Slow boot with error messages, and low color-depth

I have a PowerMac G5 Dual 2.0 GHz, i have installed the PPC64 port of OpenSuse 13.1 on it, and i am experiencing a few problems. I guess thats the price of running a unsupported port/distribution. ...
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2answers
43 views

What makes the differences between `sudo CMD` and `sudo su` followed by `CMD`?

I have an SSH server with key only auth and I want to add a key for a new user. I log in with one user(kidmose), I try to append the key to a new user's(remote) authorized_keys and it fails: ...
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updating php 5.5 to latest stable version on gentoo

I have recently been put in charge of keeping an eye on the servers (we don't have a server admin) and I just realized that we are running a pretty old version of php which has multiple ...
1
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1answer
19 views

Can't start VSFTPD

I cannot get my FTP server to start, I have checked by using top and it does not show up. When I use sudo /etc/init.d/vsftpd restart I get this "Stopping FTP server: No /usr/sbin/vsftpd found running; ...
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2answers
56 views

mount partition on boot without fstab

I'm running Arch Linux on my Cubietruck, an ARM board with more features than a Raspberry PI. In order to do so I have moved the OS data from the internal storage to a SATA hard drive. For some ...
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31 views

Gentoo machine on new network don't get an ip address from the DHCP server

I just moved my stationery/server from one town to an other and now the Internet connection have stopped working. It is the same Internet supplier in both towns it is called Waoo Fiberbredbånd. ...
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2answers
29 views

Perform Terminal Commands Without Opening the Terminal - Linux

Is there anyway, within Linux, to open a terminal or perform a terminal command (such as executing a script) without actually opening the terminal window. What i'd like to do is be able to execute a ...
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7 views

Weird behaviour of click in terminal and text-mode programs

I'm using terminal and SSH to work on a Linux machine - from Mac but the target machine seems to be the problem. Indeed, I found a really weird mouse behaviour; according to the program I'm using, ...
0
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1answer
16 views

A set of wireless or bluetooth keyboard and mouse which supports ubuntu [on hold]

I want to buy a set of wireless or bluetooth keyboard and mouse which supports ubuntu.Which models and companies you can recommend me?Logitech wireless-bluetooth products arent supported for linux.
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0answers
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Saving and restoring BIOS settings from Linux

I'm looking for a method to save the BIOS settings from one motherboard and then clone them onto another (identical) MB. I work for a small company and our product incorporates an off-the-shelf X86 ...
0
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1answer
12 views

Filesystem device on a VPS

I did some bullcrap on my VPS and accidentaly deleted wrong files. Now I want to recover them with extundelete but I can't seem to find the filesystem device on my VPS. I tried ls -la /dev | grep ^b ...
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3answers
66 views

How do I properly SSH into a server behind a NAT while maintaining the tightest possible security?

I have a VPC in Amazon AWS. There's a NAT Server running in a Public Subnet that connects to an Internet Gateway. I have a bunch of servers running in various private subnets within the VPC. I'd like ...
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36 views

Linux bash - Add alias from script without source(-ing) the script

Is it possible to write a script like #!/bin/bash alias foo="bar -options" and get the alias added to the running shell without source(-ing) the script source myscript will work, but just ...
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1answer
25 views

OpenSSH server refuses to accept key authentication unless logged into server locally

My server is running Ubuntu-Server and ahs OpenSSH-Server installed on it. I set up the /etc/ssh/sshd_config file to accept and require rsa keys, it looks for keys in the 'AuthorizedKeys ...
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7 views

Boot order changed after pulling harddrive out to install Win 10 Tech Preview to different harddrive

Ok, so to install the Windows tech preview to my other harddrive I decided to pull my current one out, install Win TP to a spare 250 gig, and after it finished I put my original harddrive back in. ...
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6 views

Equivalent of apt urgency flag in yum changelog?

I develop a cross distribution package manager, and i want to get the urgency of all updates on APT et YUM based distributions. With APT, it's simple, I have to fetch the changelog with apt-get ...
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1answer
29 views

Sharing files between ubuntu and mac using parallel desktop

I'm using parallel desktop on OS X 10.9.4 with an ubuntu 14.04 installed on. I want to share folders between these two operating system but I can not find any method doing it. I tried to change the ...
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Fix an ESXi configuration issue with the Rescue System

I have described the context of the problem in great detail, however if you just want to get to the point, read only the last paragraph. I was experimenting with ESXi on a box rented from Kimsufi. ...
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15 views

How to get out of a chrooted environment in ArchLinux

I'm attempting to install ArchLinux via SSH. At the moment I'm not at the machine, but I do have root access to it. I have SSH setup in the Chroot environment (arch-chroot). Is there anyway, while ...