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 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
43 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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38 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
60 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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78 views

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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0answers
30 views

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
55 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
30 views

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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0answers
16 views

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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0answers
13 views

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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0answers
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
11 views

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
30 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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0answers
36 views

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 ...
0
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1answer
16 views

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 ...
0
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1answer
14 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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0answers
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
18 views

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, ...
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1answer
86 views

How can I install CentOS on the Windows Intel Compute Stick

Intel Compute Stick comes in two versions: one with Windows 8.1 and one with Ubuntu, but the Linux version has half the RAM and far less internal storage and nearly impossible to buy. So I am ...
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23 views

Red Hat Linux Cron Daemon Time Error

I have a legacy system that is running Red Hat Linux 5.4 and the cron daemon will not start. It stopped suddenly, I verified the CMOS time and the system time are correct. I've tried resyncing with ...
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47 views

Is my SSD failing?

I've started getting these messages intermittently (see below). I got a whole lot of them several days ago, then they stopped. They occurred again last night, and stopped after the last line below. ...
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1answer
31 views

cgi program refuses to setuid root

I have a C .cgi program that runs and mostly works. However, I need it to do some file manipulation, so I chown root & chmod +s the .cgi program: -rwsr-sr-x 1 root root 59140 2015-07-20 13:39 ...
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1answer
23 views

Linux box as network gateway changes source address

I have a Ubuntu Server box(A) with an IPSec tunnel to another datacenter(AWS, through a VPC VPN). The tunnel is fine and I can ping the other side of the tunnel. The problem is when I try to ...
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0answers
42 views

Beaglebone DHCP Server Assigns its Own IP Address

I'm trying to run a DHCP server on my Beaglebone Black (running Debian), and I want to give it a static IP address - 192.168.17.1 - but it keeps assigning itself its own different IP address - ...
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2answers
60 views

Fedora/DNF: How to remove all packages on which no other package depends on

My Problem I wanted to build a piece of software by hand. So I installed all of its dependencies using dnf install <a> <b> <c>. Then I didn't need that piece of software any more, ...
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1answer
22 views

no CUDA-capable device is detected (using ubuntu 12.04.4 server)

Migrating this post from stack overflow where it was closed because I feel it is useful I recently installed the cuda toolkit 5.5 with driver 331.67 (I have a GeForce GTX 680). For some reason, I ...
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1answer
18 views

What is the default location for dll on a linux system?

After researshes, I know dll files can be used under linux system. I'm able to use them when I have a specific path to give. Is there a path where to put them which linux look up automatically, ...
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0answers
8 views

gnome 3.14, set default audio out as SPDIF

using gnome 3.14 under debian stable. every boot, i get sound on both aux output and SPDIF. and the volume widget/shorcuts will only change the volume on aux. when i open the audio settings, then it ...
1
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1answer
120 views

fedora 22 synaptics touchpad not working

I just received a new Dell Vostro notebook. The touchpad works fine when I boot into setup, or a Windows install DVD, but with Fedora 22 workstation (live and installed), the mouse pointer appears but ...
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0answers
15 views

Apache Processes Randomly go to high CPU for 25 minutes on EC2/RHEL/Glassfish4 [migrated]

I have a server that receives large POST (100,000 chars max) requests and passes them back to a Glassfish4 application server using mod_jk. The requests are POST requests with a content-type of ...
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0answers
20 views

Cannot start xserver on client after mounting root directory on NFS share

As the title suggests, I'm having issues starting an X session on my client machine. Client is a Raspberry Pi 2 running Raspbian, this was setup and configured to auto login and launch Chromium at ...
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1answer
23 views

Particular bash bc usage not storing result in variable

Unfortunately this result in a empty variable, and bc command print its result to terminal anyway while trying to attribute to aux aux=&(bc -l <<< "scale = 5; ...
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1answer
13 views

Environment Variable PHPRC got ignored

I'm using ubuntu 14.04 with php5 version 5.5.9 and starting php via spawn-fcgi. In the fcgi starter script I added an environment variable PHPRC and exporting this variable. export ...
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1answer
81 views

Fail device in md RAID when ATA stops responding

I had created five 1TB HDD partitions (/dev/sda1, /dev/sdb1, /dev/sdc1, /dev/sde1, and /dev/sdf1) in a RAID 6 array called /dev/md0 using mdadm on Ubuntu 14.04 LTS Trusty Tahr. The command sudo mdadm ...
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17 views

Connecting via windows remote control to Centos(Xrdp)

I'm having a problem of printing text in code editor via rdp. I think problem a rise a specially using shift + key and F1- F6 keys, for example: When trying to print ":", I usually get: ...
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7 views

How do I prevent GNOME/openSUSE from changing which screen a program is on?

I'm using GNOME 2.28.2 and openSUSE 11 with two monitors. I keep my file browser on my left screen and my pdf reader on the right screen. When I open a new pdf from the file browser on my left screen, ...
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0answers
9 views

KVM inserts CD ROM at reboot even if kickstart has “reboot --eject”

When installing a VM on KVM host with a kcikstart profile that specifies "reboot --eject" option, on one specific host in our lab, the CD is re-mounted and the installation starts again. For another ...
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0answers
23 views

Tool for filling the mac address slots in router?

i learnt a linux tool a couple of weeks ago that could send random mac address to the router, thus filling the cam table and after taking all the empty slots could cause a kind of denial of service, ...
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1answer
22 views

ssh into local machine from remote maching

I would like to ssh into my local machine, from a remote ssh shell. by looking at ifconfig $ ifconfig wlan0 Link encap:Ethernet HWaddr 60:d8:19:24:bd:8b inet addr:137.44.181.163 ...
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1answer
23 views

how do I grep only the user created profiles among all users in linux ?

From the below output , I just want celesial and neetish user I can't figure how to do it though . celestial@celestial:~$ sudo repquota / *** Report for user quotas on device ...
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1answer
31 views

How to clone failing system disk to preserve all settings/installed software?

I have an internal 320GB SATA HDD which is showing signs of impending failure (errors while copying,SMART status etc.). I have another internal HDD available with me to which I would like to migrate ...
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0answers
24 views

How to access router from virtualbox guest windows system?

My router has printserver (192.168.1.1:9100) My host system is linux (192.168.1.200) My guest system is windows How to access router's printserver from guest system? Should I use "bridged network"? ...
2
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1answer
45 views

Execute command after broken SSH connection

Is there a way to execute a command after an SSH connection is broken (blackout etc.)? When I normally log off I can just use .bash_logout but I don't know what to do when my connection breaks.
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0answers
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Filezilla not asking for SSH-key password under LXQt

I can not connect to my webhoster with SSH Key in filezilla under LXQt. Filezilla does not ask for the SSH-key password like GNOME does, and says authentication was not possible und no connection was ...