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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Linux/Win Dual Boot: Install Visual Studio 15 with GRUB

This is kind of an assumptive question and I have done some cursory searches but most of the results were more about how to dual boot, not this specific question. I have a Debian/Win 8.1 setup ...
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Running a Java process from Systemd

I'm trying to execute a shell script from systemd. The script runs fine from command line. The script (runServer.sh), runs up a Java process and looks like this: #!/bin/bash java -jar ...
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Can't scp file from local to remote host - Permission denied

I have trying to copy some files from local machine to remote host. root@local:~$ scp /var/www/html/file.php root@remote_host:/var/www/html/test/ The result is scp: /var/www/html/test: ...
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2answers
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Finding php files that have numbers in the filename

Can someone help me with a command line to find all .php files on a server with a number in the filename? I have searched, as best I can, for other answers, but they typically show for a specific ...
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1answer
22 views

Linux terminal emulator with frequent, recent, and bookmarked commands/directories

I am looking for a terminal emulator where I don't have to tap the up key a million times to see the old and frequent commands. I want to be able to bookmark common commands and directories, as well ...
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1answer
13 views

Embedded Linux board with NFS boot and SSH

We have a BeagleBone Black-based embedded Linux board. It has eMMC and I have setup for NFS boot also. When I am booting the board from eMMC, I am able to connect board through SSH but when I am ...
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1answer
17 views

xrandr would not detect my second monitor

I am using linux, have 2 monitors and 1 laptop (3 screens in total) in my setup. xrandr detect 2 displays (laptop + 1 ext monitor) and I get the same output on both external monitors. $ xrandr ...
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9 views

Replace GTK file dialog with alternative

Is there any way to configure GTK programs to use a different file dialog? Reading ancient articles on the default dialog and seeing no difference to the current version does no bode well for it's ...
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2answers
38 views

how to mount beyond /dev/sda15 when using a GPT disk with lots of partitions

I have a GPT disk with about 20 partitions. They're on /dev/sda how can I mount each of these at the same time? as I understand /dev/sda is limited at /dev/sda15 this feels weird - being able ...
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45 views

Kali Linux Wireless MacBook Air (Early 2014)

I have an early 2014 13in. MacBook Air that I recently dual-booted Kali Linux onto. My problems is that the wifi will not work, and iwconfig returns only "lo". I have tried to install the broadcom ...
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1answer
29 views

Issue with key pair while connecting to AWS EC2 Instance

I am trying to connect via ssh to my RHEL EC2 Instance, from a Linux Mint computer, and when I run this command: ssh ec2-user@SERVER_IP_ADDRESS I get this error: Permission denied ...
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1answer
23 views

Restrict access from group in Debian

I need to restrict access for a few users in Debian 7. I basically only want them to be able to login with their accounts so they can use SSH to forward their web traffic through my server as a proxy. ...
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0answers
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Route only HTTPS Connections through TOR

I want to create an tor router on my network using an extra computer I have (2011 Mac Mini). Since the exit node can read/modify traffic that is not end-to-end encrypted, I would only like to route ...
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29 views

How to route traffic from one interface to another regardless of source ip?

I asked this question on network engineering, but they told me it was off-topic there and I should therefore try on superuser. So, I'm deploying some raspberry pis for a specific network task. I'm ...
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Linux: sync/merge two (or more) directories, but keep older file versions?

got alotta help throughout the time just by simply scrolling and crawling through the vast landscape of qualified answers here from you, now's the time to ask my first question and it looks rather ...
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1answer
30 views

Why am i getting Very slow dd dsync test results in Linux.

I am investigating slow application issues with some New Hardware and am running into some odd results. I am trying to determine what is causing this behavior. I am using dd if=x.b1 of=x.b10 ...
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1answer
17 views

partition device (i.e. /dev/sdd1) not created for hard drive

I am having a similar problem as posted here where a hard drive has an old mdadm signature on it and the partition on it is not given a device file in /dev Unfortunately the solution provided in this ...
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15 views

Dell Dimension E521 not waking up from sleep or hibernate

I have been having some unusual power management problems on my Dell Dimension E521. When the computer goes to suspend mode automatically, it suspends properly, but when I turn it on, all I get is a ...
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1answer
32 views

How to force mac to use ssh dsa key?

When I try to log on ssh in my linux server from OSX, I force it to use a dsa key with the ssh config file. However, before connecting with the dsa key, it tries to connect with a rsa key (which ...
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2answers
54 views

Fastest Linux filesystem for /tmp?

What's the fastest filesystem (and/or filesystem options) for a drive where I don't care about whether the data survives a crash or power-off, such as /tmp? The data is a few hundred gigabytes so ...
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I need to restore the rpi backup image if the boot time of RPI time out (watchdog)? [closed]

Or Continuous 5 failed boot loading leads to restore (Image)point.. Key points: GPU loads the first stage of the boot loader then parallel i want to start my Watchdog which is on RPI. and if the ...
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35 views

Backup script to online backup - Pseudocode look over

I just want to pitch an idea here, before I start writing the code. I thought I build it in bash. I am not very proficient in writing scripts, but I had a few successes and this could be good training ...
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Perl script to parse log file [migrated]

I want to parse my flexlm license.log file and archiving below information into another .csv file: Date Time stamp Licence checkout / checkin Feature name User name Machine The log file format is ...
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20 views

Use Nvidia GPU as primary video output and AMD GPU as OpenCL on arch

How can I use my nvidia Titan X as my main video output with proprietary driver and an AMD Fury X as a OpenCL card? Is it possible to have Catalyst and Nvidia proprietary driver installed at the same ...
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1answer
16 views

Unable to access internet using android wi-fi tethering

Not sure this is the right place to post this question. My issue is actually simple, I have my android device using a data connection, and a hotspot setup on this device. I connect my linux box to ...
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1answer
47 views

Cannot resolve hostname “raspberrypi” on home network

I have installed and configured(?) samba on a Raspberry Pi B+ running Raspbian 5/5/2015 and I am not able to ping or connect to/via it's hostname. I can connect via it's IP address, but I discovered ...
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1answer
33 views

How to use ffmpeg ffpreset files

My ffmpeg comes with some ffpreset files: $ ls /usr/share/ffmpeg libvpx-1080p.ffpreset libvpx-360p.ffpreset libvpx-720p50_60.ffpreset libvpx-1080p50_60.ffpreset libvpx-720p.ffpreset I'm ...
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2answers
41 views

How can I install Debian Jessie on a Lenovo Thinkpad T450s via a USB stick?

I just bought a Lenovo Thinkpad T450s with Windows 7 pre-installed. I'd like to install Debian Jessie. I obtained an .iso file here (I selected amd64 from the Small CDs or USB sticks section). After ...
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36 views

Transfer files Windows 7 and Ubuntu Samba slow

I have Ubuntu Server 14 Connect by SFTP from client Windows 7 to Server Ubuntu and transfer files is slow Also from Windows 7 connect to Drive Ubuntu Samba and is equal transfer files slow Also ...
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2answers
59 views

Making a script executable

I am trying to execute a program (Usearch or samtools) by just typing the name of the program (e.g. usearch [options]) from anywhere. I am running Ubuntu. Instructions say to "add the binary to your ...
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How to share a USB device from Linux to Windows/Linux?

I have a tiny Linux box (think Raspberry Pi or similar) with a few USB ports. This tiny box shares its (ethernet + wifi) network with a few Windows/Linux computers. How can I access the content of a ...
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Linux USB device won't work after power up without replugging

I have an USB device (eGalax Toucscreen controller) that won't work if the computer is powered on with the device plugged (' device not accepting address'). It however works, if plugged in after the ...
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1answer
45 views

Can I allocate IPv6 addresses to directories of my web server?

I am running an apache server on a Debian machine and I have 1 IPv4 addresses and 20 IPv6 addresses. I want to run two websites of this server, can I allocate a directory an IPv6 address so that I can ...
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1answer
25 views

Git commit over SSH not recognizing remote repository

I have 2 machines, client and server. I want to send git repositories from client to server, using remote push. I've run these commands in this order on the server: mkdir /mnt && cd /mnt ...
2
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1answer
27 views

Recursive find-replace using sed with URLs

I have a large set of files in which I need to replace a full URL scheme. Some filenames contain spaces. After much searching and rial and error, this is the closest I've come: find /somedir -type f ...
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1answer
24 views

Pass a path with parenthesis and space in system call inside awk script

Inside my simple awk script, I call system command #!/bin/bash Test='/home/software/Other/new (Applet)' ls "${Test}" var=$(ls "${Test}") echo $var awk -vTest="$var" 'BEGIN { ...
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3answers
54 views

How can I configure an interface with many static IPs

I am setting up a machine that I will use in a test network and which will host many web sites. I would like this host to have many (on the order of 20k) IP addresses. I know I could add them all ...
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2answers
44 views

How to tell what are my startup files for sh or bash?

From this question I understand that depending on the operating system sh and bash behave differently. Doing env and alias I can tell that: Every time I open a OSX Terminal or run bash the variable ...
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1answer
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What's the equivalent of .bashrc for CentOS?

By configuring ~/.bashrc as desired, each time the user logs into their bash shell the configured settings (of .bashrc) will automatically be set. Now I must be missing something but despite thorough ...
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The installation dialog box does not show up after booting from my bootable USB which has Ubuntu in it

I used to create bootable USBs in the following way and it used to work perfectly fine: sudo mount -o loop /path to iso/ /media/iso cp -a /media/iso/. /path to usb flash drive/ sudo syslinux -s ...
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1answer
38 views

Qlogic qla2xxx fibre channel HBA not displayed by targetcli

I'm experimenting with FC with a view to setting up a SAN but appear to be stuck at the first hurdle - I can't seem to get targetcli to give me the option of using my qla2xxx card as a target. I've ...
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TRESOR kernel patch linux 3.6.2 kernel

I am trying to apply a kernel patch that should achieve that CPU takes care of encryption and therefore making cold boot attacks impossible on my PC. https://www1.cs.fau.de/tresor ...
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25 views

dropbox keeps asking to login and link every reboot

It appears that on each reboot my dropbox forgets settings and wants to re-link the same device. I installed dropbox.py, which in turn installed ~/.dropbox-dist. I ran it successfully and "linked" ...
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0answers
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no write permissions when mounting netatalk share on OS X

I know there are few posts about it, but I haven't found a solution for my problem, so it might be different: In order to exclude all interference factors I want to setup a simple setup first: I want ...
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1answer
29 views

Xulrunner crash when running with underprivileged user

I use SlimerJs as an headless browser on a server. Because the server have no xserver I used xvfb to run it. The command goes something like this: xvfb-run --server-args="-screen 0, 1024x768x24" ...
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CentOS 7 - resolution on login screen

Ive set the screen resolution on my CentOS 7 VM. But although the resolution is correct once I've logged in, the login screen resolution is far too high. I cannot find a way to change it. Does anyone ...
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1answer
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Is running ldconfig inside fakeroot possible?

I am trying to run debian wheezy in chroot (got debian files from https://github.com/tianon/docker-brew-debian/blob/02108ee636f54b504e2aec4ee7bb59a2de8a5b99/wheezy/rootfs.tar.xz) That is the way i'm ...
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1answer
13 views

Cut connection if VPN down

How can I effectively cut my Internet connection as soon as my VPN is down, avoiding my leaking my actual IP address? I have tried creating a rule in Gufw to just allow traffic to my newly assigned ...
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9 views

Add only non-python packages to path when installing anaconda

After downloading Anaconda and installing by: bash Anaconda-2.x.x-Linux-x86[_64].sh I was prompted for adding anaconda to the path. I wanted to do this to run spyder from terminal. This however, ...
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1answer
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how to check what version of bfd I am using?

I have encountered a bug when running the gcc command on a Linux machine, and on Googling the bug I found that people say, it has been fixed in a newer revision of the bfd library. Searching further, ...