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 does badblocks command display errors?

I'm scanning a brand new 2TB USB3 external drive, using: sudo badblocks -svw /dev/sdd and am getting the following output: Checking for bad blocks in read-write mode From block 0 to 1953514583 ...
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22 views

Custom C program doesn't use existing 3G connection when started via LXDE-pi/autostart

Complicated story. I'm on a Raspberry Pi with Raspbian OS. This is a Debian based linux distribution. But I guess my problem could be related to any linux distro. However. I wrote a small program in ...
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67 views

Editing xpad.c of the 3.18 kernel for xbone pad support

OK, so xpad.c now has XBOXONE controller support. I purchase a PowerA Spectra XBOXONE controller. All it seems to do is connect and disconnect. So thats when I noticed xpad wasn't recognizing the ...
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1answer
60 views

ssh session timeout using openssh client

I have a system which I can reach via ssh. I can reach it from a windows PC using putty and from a ubuntu system (Ubuntu 14.04.2 LTS). When I connect with putty to the system and doing the following ...
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21 views

why an interrupt context should not sleep?

In linux i have studied that an interrupt context should not sleep because it can not wake up again. Why it can not wakeup ? What happened if its go to sleep ? please explain in detail Thanks in ...
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1answer
79 views

Randomly getting booted off of SSH despite sending keepalives

I’ve cooked up a Debian 7 virtual machine (with VirtualBox) in an attempt to play with setting up my own server and other such cool tricks. This is all on one computer. I can SSH into the virtual ...
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1answer
31 views

/etc/update-motd.d/98-fsck-at-reboot exited with return code 1

I created a new user using adduser adduser test adduser test sudo but on login I get the following error run-parts: /etc/update-motd.d/98-fsck-at-reboot exited with return code 1 Unable to cd to ...
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73 views

How should I interpret these dmesg messages and fix a driver issue?

The command below is is part of a shell bash which I call through a Python program running on Raspbian and making use of a Raspberry Pi Camera. It works fine for two hours (independently on how many ...
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1answer
115 views

Why does VPN break my internet connection?

Recently I bought internet service from an alternative ISP. I don't really know if I can trust them, so everything that is unimportant and not private, I browse without encryption, but what I value, ...
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1answer
92 views

install matplotlib with pip when pygtk is in non standard location

I have installed PyGTK 2.24.0 in /software/pygtk-2.24.0/gcc directory. Is there any way without rewrite the setup program how to install matplotlib with pip? Simple pip install matplotlib builds ...
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34 views

nvidia-smi reports ERR! for temperature of card

I am stress testing some of the cards on our GPU node and after running a bunch of jobs on a single card (card #1), nvidia-smi takes a long time to respond from that card and the temp reads ERR!. ...
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104 views

Control fan speed under linux without nvidia drivers

I have quemu-kvm configuration like this - IGP on host (linux) and Nvidia on guest (windows). I blacklist nvidia drivers under linux (arch dist.). Is there a way to set GPU fan speed under linux ...
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22 views

LXDE replace desktop with custom application

I want to replace the desktop (not the docks, just the background and icons) on LXDE with a custom application. That is, I want this: to be replaced with this: How do I set this up? I'm not ...
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20 views

No ethernet connection when booting Dell Optiplex 7010 on linux from USB stick or CD

I'm trying to boot a Dell Optiplex 7010 in linux (tried Ubuntu 12.04LTS on a CD and on a USB, and Fedora 19-1 from a CD) but on both cases the Ethernet interface shows "Cable Unplugged. I tried to ...
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46 views

ZFS on Linux - is the .zfs special directory incompatible with find?

My ZFS pool has a number of datasets with snapshots that contain junk. I'm copying the valuable files to a new dataset so that I can then delete the snapshots. The basic approach I'm taking is to ...
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1answer
72 views

Ext4 USB stick gets corrupted again and again

I installed Debian Wheezy (No GUI/Desktop) on a 4GB USB stick (because the harddrive of the machine was defective, currently the slot is empty), but shortly after, I got an “Input/Output error” when ...
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19 views

How to stop htop from scrolling the window?

htop has a SortBy option, but whichever option I use it continues to scroll the window and rearrange each process in the view (because it's constantly sorting). Is there a way to make it stop ...
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35 views

Samba Shared folder in linux server can't be accesed on windows

I have the following problem trying to access "my book" external hard disk drive in windows it says: net name unespecified. My smb.conf file is this # Samba config file created using SWAT from ...
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1answer
13 views

Initial passwords pre-expiration in Red Hat

I need inital passwords which was set by root to be pre-expired. For example: root# useradd user1 root# passwd user1 After that password need to be expired. It can be achieved by command root# ...
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1answer
19 views

Networking: fallback failed requests to another network interface

I'm on a linux workstation behind a microsoft proxy server so I've installed cntlm to handle proxy authentication. Now I want to add some more complexity; I want failed requests to use another ...
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69 views

SFTP's “get” needs write permission

I'm connecting to a server using sftp through console. I'm trying to download a folder which has some files without write permission for anyone. When I use get, those files throw an error that says I ...
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53 views

How to reverse the direction of scroll with Wacom Touch on Linux?

I have a Wacom Touch and using it with Debian. It works fine except the the double finger scrolling is the reverse of what I prefer. Is there a way to change the direction of the Wacom Touch two ...
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1answer
20 views

tar folders older from last week

I am trying to create a script that need to archive text logs from last week. Basically we have a path where we have folders on date as follows, Each folder contains csv files containing data for ...
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60 views

Bad values for axis 2 result of Steelseries 3GC (DragonRise) USB joystick

I recently picked up a SteelSeries 3GC USB controller, which looks like a 6-axis, 12-button DragonRise force feedback joystick to (x86-64) Fedora Linux 20. When I test it using jstest I get strange ...
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1answer
52 views

Failing to compile Putty for Windows on Ubuntu

I am trying to compile putty for windows on ubuntu 14.04. got the source from here: http://the.earth.li/~sgtatham/putty/latest/putty-0.63.tar.gz This is what I did until I got the error: ...
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36 views

Add extension to incomplete files inside torrents

uTorrent has an "Append .!ut to incomplete files" option: I want to achieve something similar in rtorrent (the storage is formatted as NTFS). I know it accepts scripting commands but the ...
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18 views

pdftk catout empty page at 3.6mb

I use pdftk to extract single pages. This is my command: pdftk foo.pdf cat 5 output page5.pdf The 5th page is empty, the 1st page has a 3.5mb Image. Unfortunatelly page5.pdf is as large as ...
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20 views

Is it possible to make windows appear always on top of their parent windows, but not all other windows?

In Awesome window manager, I know how to make windows appear on top of all other windows, based on their attributes (class name, role etc.) However, there are some scenarios where I'd like a floating ...
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8 views

How can I see the currently installed netfilter hooks?

Not just the iptables, is it possible to see the currently installed netfilter hooks in Linux PC? Such as the home-made kernel modules that installs netfilter hooks for someone's own filtering rule?
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2answers
81 views

Domain name for Raspberry pi

I've a network with a router (TP-LINK) which delivers internet to my PC and laptop. Recently, I got raspberry pi and would like to connect to via ssh. The fact that I'm aware how to set ssh connection ...
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1answer
170 views

Require bash script to be run with sudo (not as root user)?

I want to require a bash script to be run as the current user with sudo, but prevent it from being run if it was executed as the root user directly. This is because I'm doing some setup actions for ...
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28 views

Give a command HTTP proxy auth access

I'd like to let a command (wsimport) access a URL through an HTTP proxy with authentication. It can be configured to use a proxy, but not with auth. I was wondering if a tool such as netcat, or any ...
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33 views

How does Chromium OS choose its fonts?

I just started to use Chromium OS. I'm just wondering how does Chromium OS configure its fonts settings (which file it uses), I don't guess it's in /etc/fonts/conf.avail. And Chromium OS has a good ...
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1answer
62 views

What do these parameters do?

What is the meaning of the switches and parameters of this command? exec su -s /bin/sh -c 'exec "$0" "$@"' root -- /opt/nsq/bin/nsqd Specifically the -- part and what exec "$0" "$@" is supposed to ...
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85 views

Open ports with iptables — still closed

I'm trying to open some ports for a gameserver, which is running on my Linux vServer (Ubuntu 14.04 LTS 64bit). The game needs the following ports: 16261 (UDP) 16262 (TCP) // Player 1 16263 (TCP) // ...
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17 views

Can I tunnel to a host-only device?

I have a tricky routing/tunnelling question, hoping someone can help. My setup is this: On my lan, I have a Ubuntu workstation and a Windows 7 PC. The Windows 7 PC is running Oracle Virtual Box, and ...
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59 views

Very slow sshfs connection

Sshs mount point is shared in local samba network. Windows users use it to access remote server. Due to very high load of remote server and low speed of internet connection sshfs mount point works ...
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2answers
77 views

Attach a tmux session to a remote machine

I am using tmux on my local machine and usually have several sessions simultaneously. What I usually do is I have a session with different windows to work locally and the other sessions in which I ...
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61 views

How to boot Apple Mac via PXE (custom mini-Linux)

I have a network system, where I serve a mini-linux to a connecting client via PXE (pxelinux.0). I can't get this to work with Mac OS X. Booting from network is there saved for backup operations. I ...
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11 views

Minimum space to allocate for UDF headers?

Context: I'm using truncate to create a blank image file and udftools to create the UDF file system on it, to subsequently burn to optical media. I know the total size of all the files I want to add ...
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23 views

Running a process without triggering CPU frequency scaling

I would like to know if it is possible to not allow a process to trigger my CPU's dynamic frequency scaling feature. I'm running Linux Mint 17.1. My specific case is that I would like to run BOINC in ...
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34 views

Samba + SAN + NFS: load average > 300, results in crash

we have a system with the current setting server A is connected by fibre to a SAN array a filesystem is physically on the SAN, and resides on server A server A exports the filesystem via NFS to ...
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336 views

Linux Mint Installation : EFI Partition

I tried to install Linux Mint 17.1 MATE 64-bit edition on my asus laptop, which had installed Windows 8.1. I put CSM (Legacy BIOS) enabled, Secure Boot disabled, and boot with my Live CD USB (created ...
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17 views

No Gcov for Linux vine 4.0

Good Day! Currently, I am using Linux Vine 4.0 for my project. Code coverage is one of the requirement for it. I found out that in Linux 2.6.16, gcov is not yet available. I followed the instructions ...
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1answer
117 views

Changing VGA cable on Debian lowers resolution

I just changed my VGA cable and Debian says my maximum resolution (in display) can only go upto 1024x768. I have a 32inch LED monitor that supports a maximum of 1920x1440 (aka the maximum that VGA ...
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97 views

Streaming desktop with FFmpeg

I can stream in a file or to twitch.tv with stream2address() { INRES="1920x1080" # input resolution OUTRES="1920x1080" # output resolution FPS="15" # target FPS GOP="30" # i-frame ...
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1answer
1k views

VMware Player / VMware Workstation installation in KALI

I have been trying to get VMWare Player/ VMWare workstation installed in KALI Linux for almost ages now. I might look a little exaggerating but I would like to quote it that way to bring about the ...
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1answer
41 views

Fedora 20 not finding USB stick when booting

Fedora 20 system has a USB stick used to back up important files nightly. When I reboot the system it does not find the USB stick. If I then pull the stick out and plug it back in, the system finds ...
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22 views

Login failure in Kali linux. The error message, something is wrong…, I guess it is from no space in /root.

I am using Kali with Windows, in dual grub. I have received a message in Kali login, the low space in /root. I have installed Kali in these partitions: 5 GB swap 17 GB / (/root) 2 GB /boot 30 GB ...
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38 views

Virtualbox no internet connection at guest OS

I am newbie in this virtualbox thing. So i have no idea how to configure network settings. I have Windows 7 (32bit) as Host OS and Ubuntu (32bit) as guest OS. The issue is that i am not able to access ...