Questions specifically about Linux but not specific to a particular distribution. If the question could apply to any Unix-like system, specify your Linux distribution in the body of your question but do not use the /linux tag.

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2
votes
1answer
800 views

azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q

What I want to do I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream. What I do I trigger a scan and save the scan ...
0
votes
0answers
41 views

Kali Linux Rolling doesn't boot, freezes after login

I have recently installed Kali Linux Rolling from my usb. Everything went fine and I have booted into it once and it worked well. But when I booted into my mac partition and then tried to boot back ...
0
votes
0answers
9 views

Secure and free cloud storage options for integration with Linux

Copy.com used to be a good option for secure, free, and plenty of storage (15GB+), as well as Linux integration. But this service will be shutting down soon. What are alternative options? Dropbox is ...
0
votes
0answers
11 views

Grub unknown filesystem [duplicate]

I accidentally deleted my Linux partition and the next error message appears when I boot: error unknown filesystem grub rescue. I can't even boot Windows from CD or Linux from usb.
0
votes
1answer
16 views

what is the meaning of “-m state --state RELATED,ESTABLISHED”? [duplicate]

I found this rules on iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT what is the meaning of -m state --state RELATED,ESTABLISHED ? and why without this rule ,I can not ping ...
0
votes
2answers
47 views

Need help in data arrangement

Could you please help me to sort this out, I have data which i would like get output in below format using shell/perl script. Data: Virtual Machine Test status Running. Assigned Server ...
1
vote
3answers
3k views

Install mplayer on Centos 7

I've been trying for several days to install mplayer on Centos 7 without success, I've install many repos but nothing works, I've always the following error: -> Resolve Dependencies completed ...
0
votes
1answer
30 views

GDiskDump or DD to show partition names? [duplicate]

I have partition names like Data-HD, Yhteinen and W10. I do have lots of other partitions, but I want a little more assurance I am copying a right partition to a correct destination. I am quite ...
2
votes
1answer
17 views

Help in building Yocto(open embedded) projects using cluster computing in Linux

I need to reduce project build time in Yocto (open embedded) in Linux platform. So I decided to cluster computers for the best performance for compilation and building. My question: Is there any MPI ...
1
vote
3answers
65 views

Process scheduling data on linux

I am doing a project on OS and require the process scheduling data for an operating system. The data has to include the list of all processes in short-term-scheduler and long-term-scheduler along with ...
1
vote
0answers
31 views

Memory usage inexorably creeping upward

Just within the past day, my Arch Linux system has begun eating memory. This seems to begin when the system is powered on, and I cannot find a way to stop it. The symptom is that the reported memory ...
1
vote
0answers
14 views

How connected are kernel modules to kernel version?

I'm wondering how custom ROMs port new versions of Android (particularly the Linux kernel) to old phones. As I understand, Linux allows closed source kernel modules. If so, then when the phone ...
1
vote
0answers
143 views

Viewing shared segments created by shmget

I'm trying to "visualize" shared memory between two processes. I've created a little server-client example where the client writes some data to a shared memory location and the server reads from it. ...
1
vote
2answers
49 views

How to “track” newly created processes?

I know that with ps I can see the list or tree of the current processes running in the system. But what I want to achieve is to "follow" the new processes that are created when using the computer. As ...
11
votes
4answers
7k views

32-bit, 64-bit CPU op-mode on Linux

I'm confused. Running Fedora Linux, lscpu yields: Architecture: i686 CPU op-mode(s): 32-bit, 64-bit ... But when I try to install a 64-bit program (Chrome) I get error like: ...
39
votes
8answers
129k views

How to determine Linux kernel architecture?

uname -m gives i686 and uname -m gives i686 i386 output in Red Hat Enterprise Linux Server release 5.4 (Tikanga) machine. I need to install Oracle Database 10g Release 2 on that machine. So, how can I ...
1
vote
0answers
14 views

Stop /sbin/agetty and log out the session

I start agetty using /sbin/agetty 115200 /dev/ttyS2 vt220 to provide console access through my port ttyS2. From the other computer, I can create a connection, and upon opening, I am prompted with ...
5
votes
3answers
506 views

On a Linux system, see how busy is file system

I want to know of a command that will show me how (currently) busy is the file system. I'm assuming there exists such a command that will show me this. With such command, are there specific arguments ...
1
vote
0answers
20 views

apply proper security labels during filesystem restore

When restoring a filesystem on a separate system (i.e., possibly a different system than the one where the filesystem was originally mounted and in use), I would like to apply the correct security ...
1
vote
1answer
86 views

HP EliteBook 8530p wifi problem (hard blocked) in Qubes OS

I just installed Qubes OS on an old HP EliteBook 8530p and cannot connect to the internet with wireless. This laptop has a physical wireless switch that must be toggled 'on' for the wireless to ...
37
votes
11answers
64k views

List partition labels from the command line

Is there a command that will list all partitions along with their labels? sudo fdisk -l and sudo parted -l don't show labels by default. EDIT: (as per comment below) I'm talking about ext2 labels - ...
0
votes
1answer
26 views

Kali Linux hotspot settings

I am running Kali Linux Rolling and I have found out that I am able to turn my machine into a hot spot when I plug in my ethernet cable and go to network settings etc. When I turn on the hot spot ...
2
votes
2answers
68 views

linux - disable all video output

I have a server I would like to disable the video output entirely on to save any memory unless I have a severe issue I need to be physically in front of it. The server does not have a graphical ...
0
votes
1answer
148 views

home-built router - slow throughput

I am having slow performance with my home-built router. Compared to a stock Verizon (actiontec) router, it gets about 60 Mpbs down and 30 Mpbs up whereas I get about 15 Mbps and 20 Mbps up. I ...
4
votes
4answers
263 views

files greater than a average size of directory?

how could I find all the files and directories with size larger than or equal to the average file size of the current directory?
1
vote
2answers
46 views

Downgrading from 14.04LTS to 12.04LTS

I was using ubuntu 12.04 and upgraded to 14.04 32-bit system. I don't like the 14.04 because it's not very stable. How can I downgrade back to 12.04LTS?
1
vote
1answer
43 views

Clone Linux fedora using Clonezilla

Actually this is the first time for me with Clonezilla, and I`m not system administrator. I have on my machine (Win7 & Fedora22 workstation). Fedora each time run shows to me partition size ...
29
votes
3answers
50k views

Linux: How to find the device driver used for a device?

If my target has one device connected and many drivers for that device loaded, how can I understand what device is using which driver?
0
votes
2answers
297 views

Kali Linux 2.0- htc_9271.fw download failed

I am trying to get my wireless adapter TL-WN721N to work on Kali Linux 2.0 64 bit which is running on virtual box. lsusb Bus 001 Device 005: ID 0cf3:9271 Atheros Communications, Inc. AR9271 ...
5
votes
1answer
2k views

One host, two virtual machines that cannot ping each other. How to solve

We have Virtual Machines operating within the KVM environment. We setup one as a dev server running Apache etc., and the other as a Windows development environment. The two environments are setup ...
0
votes
3answers
24 views

How to set password expiration to infinite in shadow file?

I was reading more about how passwords are stored on linux and came across the number of days until password must be changed. The article I was reading says The number of days after which password ...
0
votes
2answers
35 views

Where does the find command look first if there are directories with the same name?

Suppose I have two different directories with the same folder names: /usr/myDir/ and /home/myDir/ If I run a command such as: cd $(find / -type d -name myDir) it navigates to /usr/myDir. Why is ...
1
vote
1answer
14 views

QCad successfully installed but will not launch

I installed QCad on Crunchbang Linux, Waldorf using synaptic. Now when I check in terminal, it is installed $ sudo apt-get install qcad Reading package lists... Done Building dependency tree ...
23
votes
11answers
22k views

Linux replacement for Apple Keynote software?

I am trying to migrate from Mac OS X to a Linux distribution, maybe/probably Ubuntu. One of my favorite applications for the Mac was Apple Keynote, which makes amazing sideshow presentations. Is ...
0
votes
1answer
32 views

How to boot linux without any prompts? [closed]

When I boot my linux computer it prompts me to notify me that I have usb devices connected. I have to press a key for it to finish booting. Is there a way to bypass this so that the computer will ...
1
vote
1answer
19 views

Why shouldn't we edit grub.cfg for grub2

If you cat /boot/grub2/grub.cfg, you get the big block of text telling you DO NOT MANUALLY EDIT THIS FILE, indicating that you should instead edit files in /etc/default/ instead and then run ...
0
votes
0answers
32 views

augtool saving failed

I am trying to set some parameter using augtool but getting strange error Linux$ sudo augtool set /files/etc/abrt/abrt-action-save-package-data.conf/OpenGPGCheck no error: Failed to execute command ...
4
votes
1answer
539 views

Creating threads fails with “Resource temporarily unavailable” with 4.3 kernel

I am running a docker server on Arch Linux (kernel 4.3.3-2) with several containers. Since my last reboot, both the docker server and random programs within the containers crash with a message about ...
0
votes
0answers
23 views

Scheduler for a system call in linux to execute some event

I am thinking about a use case. I want a script that will start up my Linux system, open a particular website and then shut down automatically. Is it possible to create a scheduler for my system? As ...
36
votes
4answers
56k views

Manually generate password for /etc/shadow

I need to manually edit /etc/shadow to change the root password inside of a virtual machine image. Is there a command-line tool that takes a password and generates an /etc/shadow compatiable password ...
0
votes
0answers
8 views

Is there a tool to check Windows MSI's Digital Signatures Hash for Linux?

I would like to automate the signature check for MSI's in a linux box, is there a tool that can help me achieve this?
0
votes
1answer
874 views

Is not a valid path to the kernel headers?

Host - Windows 10 VMware - 11.1.2 Guest - CentOS 7 I installed kernel-headers using yum since during the installation of vmware-tools I get a message "Searching for a valid kernel header path... ...
2
votes
2answers
72 views

Hard-link creation - Permissions?

Which permissions affect hard-link creation? Does file ownership itself matters? Suppose user alice wants to create a hard-link to the file target.txt in a directory target-dir. Which permissions ...
0
votes
1answer
25 views

$PATH variable for CRON in OpenSuse

I have a script written which works perfect on terminal however gives error when called through crontab. It took me a while that the problem is with the cron environment not my script. so I tried ...
0
votes
1answer
1k views

Mint 15 on Lenovo G700: wired internet not working (Atheros QCA8172)

Mint 15 doesn't see internet after installing it in dualboot with windows 8 (in Windows internet works well). My network card is Qualcomm Atheros QCA8172 Fast Ethernet (rev 10). What I did: Install ...
0
votes
1answer
12 views

How do I find an application that's already installed on Knoppix?

I have created a bootable USB drive with Knoppix. It works fine, but I was specifically looking for chntpw and a tool to wipe a HDD. This question is about where to find a package (chntpw) that ...
2
votes
0answers
29 views

avahi-daemon withdraws IP address from my network interface

I am running an Arch Linux server in my local network. It has avahi-daemon running on it to advertise some services (like a print server). It has happened for the second time now that my server was ...
28
votes
2answers
24k views

What is difference between User space and Kernel space?

Is Kernel space used when Kernel is executing on the behalf of the user program i.e. System Call? Or is it the address space for all the Kernel threads (for example scheduler)? If it is the first ...
0
votes
0answers
13 views

Exiting GUI Linux Mint

I need to install nVidia driver in Mint 17.3 Cinnamon. I tried Crtl+Alt+F1, but the only thing I get on screen is black screen. I've installed Mint on external HDD (USB3, SATA2, 5400 rpm). Is this a ...
2
votes
1answer
29 views

Taking and restoring an image of partition with dd

I created a new partition on my server /dev/sda4 with a filesystem based on ext3. I mounted the new partition /dev/sda4 on /mnt/sda4/ and created an image with dd of the partition /dev/sda3. sda3 is ...