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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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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22 views

Small 4-bay HD computer that can run Linux? [closed]

I'm looking for small box I can purchase which lets me insert 4 3.5" hard drives and which has embedded computer that I can run Linux onto. It does not have to be Intel/AMD. I can run an ARM processor ...
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5 views

how to use isc-dhcp-server in place of router dhcp

i have a virtual Debian installed on my VMware running on win 7 64 bit , i am using a bridged connection for my virtual machine , i installed isc-dhcp-server and changed the /etc/dhcp/dhcpd.config ...
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2answers
49 views

How to yum update PHP to version 5.4 on Amazon Linux?

I need PHP 5.4 installed in an Amazon Linux instance. Presently we have: root@ip-10-138-1-229 webapps]$ php -version PHP 5.3.29 (cli) (built: Aug 20 2014 16:41:34) Is there a yum package for this? ...
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2answers
27 views

Copy sequential files into sequential directories

I need to copy multiple, sequential files into sequential directories. The files have the julian date (day of year) with other info in the file name. The directories are listed by julian date (day of ...
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8 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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0answers
19 views

Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...
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28 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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3answers
153 views

What is the difference between terminal and bash? [duplicate]

When I open Terminal Window in Mac OS X, I can type bash and hit enter and I will see: Last login: Fri Feb 20 14:30:56 on ttys000 Korays-MacBook-Pro:~ koraytugay$ bash bash-3.2$ I can for example ...
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12 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
20 views

What does rm --preserve-root prevent exactly?

Modern rm by default has the --preserve-root option enabled, but what exactly does this prevent? I understand it will prevent rm -r / (right?) but does it prevent cd / rm * or rm /* for ...
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26 views

Why eclipse package on Debian Jessie are still too old? [closed]

I know Debian is a "rock-solid" system and has a lot of advantages (that's why I'm using it). But it has some disadvantages too, for packages versions for example: Why, even for the testing and ...
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1answer
64 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
12 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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0answers
15 views

Multi-hop ssh with x2go

I need to do multi-hop ssh with the session file of X2Go. But I don't know how. Don't know what I have to fill exactly in this session file. The equivalent in ssh is ssh -t -p port1 ...
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0answers
15 views

Unable to log into encrypted root drive after running virtual machine [duplicate]

I am unable to log into my encrypted hard drive on the host which is Ubuntu 14.04 LTS desktop. This all happened after I did the following. Ran VirtualBox Created a VDI drive Installed Kali Linux ...
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21 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
8 views

Is it possible to limit the number of inodes for a user?

I want to limit the resources available to user by setting a limit on the number of inodes they can create. Is there a way to do this?
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0answers
10 views

OpenVPN client unable to connect to obfsproxy

I've set up my VPN server and client all working fine, but I'm trying to obfuscate the traffic with obfsproxy according to this guide, however it is not working for me on my elementaryOS-based pc. ...
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1answer
18 views

Python-fu plugin not visible in Gimp

I have built and installed the Resynthesizer plugin for GIMP on Linux. The files appear correctly in the plug-in directory /usr/local/lib/gimp/2.0/plug-ins/, but none of the Python plugins is ...
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1answer
56 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
18 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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0answers
7 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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0answers
20 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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1answer
22 views

Clonezilla disk to disk usage

I'm not clear about what disk to disk "cloning" can/will actually do compared to using the imaging choice in Clonezilla. I'm a refugee from XP support end and I am accustomed to cloning an HD using ...
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0answers
10 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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0answers
9 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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3answers
81 views

All hdd seen as unallocated space in gparted - partitions overlapping - some unaccessible

This odd but funny problem is rather urgent, so until I get an answer this is cross-posted here and here. I have an extended partition containing three Linux systems, each in its own partition. Each ...
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1answer
47 views

Which GUI framework is used to make Ubuntu?

I'm interested to know, Which GUI framework is used to build ubuntu? As well i know it is built in C/C++. But what GUI is used to make Ubuntu? Help would be appreciated!
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2answers
39 views

Wrong results when comparing two numbers with bc (bash)

I’ve encountered an error, probably a bug in bc. I encountered it when trying to compare two numbers on a script in bash. It turns out that when I do: echo "1.1E-2<1.1E-1" | bc -l It returns 1 ...
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23 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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2answers
36 views

How to send a command from Linux to Windows?

Suppose Windows can connect linux via VNC and Windows mapped Linux folder to a network drive. Can I open a terminal and run a command in VNC to enable Windows open a file? Thanks!
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1answer
9 views

How to have a different pass phrase for a gpg subkey?

I need to automate a deployment process and the tool will sign the release artifacts automatically. My key ring has a primary key which I use only for creating subkeys, and two subkeys. One subkey for ...
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1answer
49 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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9 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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0answers
30 views

Raspberry Pi hanging up [closed]

I have a Raspberry Pi controlling my system in a remote location. The surrounding temperature is around -11 degrees Celsius. I am running a multithreaded Python program on the Pi. There is a thread ...
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0answers
13 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

Password policy using pam_cracklib is not enforced for root in gui

I'm on Red Hat 6.6 now, trying to enforce password policy for root user. My /etc/pam.d/system-auth file contains following lines: #%PAM-1.0 # This file is auto-generated. # User changes will be ...
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1answer
9 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
7 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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3answers
44 views

does IO Port address belong to RAM?

I have been using linux(ubuntu). To communicate with IO devices, IO ports Address are used ex. 0x378 for parallel port. Is IO port address are actual RAM address ? If its not then where it reside ? ...
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ubuntu Filezilla error on dowloading files from amazon linux cloud server

I am using Ubuntu 14.10. I am trying to download files from amazon cloud server, it throwing error like local:unable to open /path of the local directory File transfer failed I changed the path ...
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0answers
30 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 ...
0
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1answer
31 views

Is there any difference between -exec cmd {} and xargs -I?

Normally, xargs bundles everything together, but when used with the -I flag it seems to put evaluate everything as a single line. Does this mean it loses its speed advantage? Also if the -exec cmd {} ...
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2answers
30 views

No package available when installing packages on CentOS 6.6

I wanted to install mysql-server on CentOS 6.6 (64bit). When I run yum install mysql-server, I get the following error: root@ip-50-62[/home/syn]# yum install mysql-server Loaded plugins: ...
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3answers
46 views

Where does this name come from? root@<hostname>

When I putty into my CentOS 6 server I am shown root@ DemandStream Development This was a copied and repurposed Linux VM from one of our development environments. How do I change this name? It seems ...
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17 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
12 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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0answers
7 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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19 views

How can I issue system commands from a javascript form I host on my linux machine? [closed]

I have a linux box with a webserver. I am hosting a webpage with a series of javascript buttons, etc. Let's say one javascript button says "press to run xyz command on host computer" What needs to be ...