Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

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37 views

Help I need xserver 1.13.0 for my AMD Catalyst 13.1

So I got myself linux mint 14 and put it on a usb then booted up . When in menu I opened file manager scrolled to /usr/bin . I then copied Xorg and emailed the 1.13.0 xserver to my linux mint 17 xfce ...
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0answers
22 views

No sound in arch linux with xfce4

I have installed Arch Linux with Xfce4, I installed alsa-firmware, utils and plugins. I haven't installed PulseAudio. I have no sounds in my laptop at all :/ I have unmuted in alsamixer my speakers. ...
0
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0answers
13 views

linux vlan bridge feature backport to 2.6 kernels

The VLAN-aware bridge was introduced to the Linux mainline on the 3.x kernels, according to this article on lwn: VLAN filtering/VLAN aware bridge Has this feature been backported to the 2.x kernels ...
0
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0answers
12 views

DNS Issues On ISPconfig3

I use ISPconfig3 to host a couple of test sites. I recently had to change my public IP address, so I made changes to ISPconfig per recommendations from the community. However, I have not been able to ...
0
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1answer
12 views

Clonezilla fails while cloning/imaging the entire HDD

I am using Clonezilla Live DVD to image my entire HDD consisting of several partitions. An overview of the partitions can be seen in the following excerpt from the log file of Clonezilla: Machine: ...
4
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5answers
160 views

How to display welcome message in unix? [duplicate]

What is the command to display the welcome message as "welcome panni" every time i log into unix.
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0answers
26 views

To disply welcome message every time i log into unix [duplicate]

i have tried the below code to display login message every time i log into unix, etc/motd welcome but it didnt work, pls help me with your suggestions.
0
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0answers
31 views

deleting admin directory after deleting an admin user

I am creating Admin accounts using this command, sudo useradd *new-admin-username* -s /bin/bash -g sudo -m It creates the admin's directory in the /home/.. Moreover, since these are admin, I can ...
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1answer
20 views

run something as another user without admin

i have two users without passwords "plex" & "debian-transmission". I need "debian-transmission" to be able to tell "plex" to execute export ...
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1answer
34 views

How to add StartUp application in Arch Linux [closed]

I am using Arch Linux, I want to add a start-up program in Arch Linux. How to add start-up program which will execute after login after every boot ? Note: I am not system administrator, I am just a ...
1
vote
0answers
43 views

Creating my own shell [closed]

I'm trying to create my own shell,but I have some trouble implementing the following: I need to get the previous command when a down arrow is pressed however,whenever it is pressed I get the following ...
4
votes
1answer
40 views

Make a copy of the audio output into a file

How to get the sound that I can hear in my headphones into a file or into a variable in my C/C++ program? I'd like something like the framebuffer for images. My main goal is sending sound to another ...
0
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0answers
35 views

Kernel panic - not syncing: No init found

I am trying to build the linux kernel image for the Beaglebone black right from scratch! i am following the tutorials referred by Free-electrons(http://free-electrons.com/training/kernel/) I am ...
1
vote
0answers
10 views

Frugal installation on WIN 7 no admin rights

Laptop from my work has WIN 7 Enterprise, but I have no admin rights on it and under no circumstances I would change partitions. However it does boot from USB. As I want to use Linux on a regular ...
0
votes
1answer
18 views

HP SmartArray RAID5 recovery on linux

This is a long time in the making, and I've finally got it working so I thought I'd share this with as many people as I can in case they're in a similar situation. Long story short - HP SmartArray ...
0
votes
1answer
25 views

SSH login attempts

The log on my server is full of entries like these: input_userauth_request: invalid user dennis [preauth] Received disconnect from xxx.xxx.xxx.xxx: 11: Bye Bye [preauth] Invalid user park from ...
3
votes
1answer
22 views

Create a write-cache loop device for a much larger block device

So, long story short. * I had a 5.5TB RAID5 array with a HP controller. * HP uses a really, really painful RAID5 algorithm (ref: Delayed Parity) * I wrote a new block driver that translates requests ...
0
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0answers
30 views

swapon: /swapfile: read swap header failed: Invalid argument

#sudo dd if=/dev/zero of=/swapspacefile bs=1M count=2048k 0+0 records in 0+0 records out 0 bytes (0 B) copied, 0.000417928 s, 0.0 kB/s #chmod 600 /swapspacefile mkswap: error: swap area ...
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0answers
18 views

What can cause a file reset operation to crash?

We have a dll (Delphi/Kylix) that crashes the program that has loaded it just after we do a reset on a file. This fails after thousands of operations that do the exact same thing (this was run in a ...
0
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0answers
28 views

Hot-changing font-size, number of rows / columns on a text terminal

This question comes from this other. I have no X-Windows installed in my system. I just simply would like to change rows/columns in a text console (terminal) without rebooting. The desired behavior ...
0
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0answers
8 views

3.10.17 Kernel i2c buses missing on embeded system

On my ARM embeded system I have 4 i2c buses and only one shows up in /dev and in /sys/device/... folders. Other 3 i2c buses are not loaded. There is also no warning message inside dmesg, but there is ...
0
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0answers
7 views

I want to utilize PCA9685 chip to drive servos on beaglebone black, I see there is a linux driver, but how to utilize in C/C++. Any examples? [migrated]

So I have a Beaglebone black, and a servo/led controller http://www.adafruit.com/product/815. I'd like to control it from a C/C++ program running on the included Debian Linux. I see there is a ...
1
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0answers
20 views

numlockLed is enabled but numpads are not working

I have put the following code to enable Numlock at boot time. #!/bin/bash for t in /dev/tty[0-9]*; do setleds -D +num <$t; done in start up script. it is working fine on OS level. but after ...
1
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0answers
19 views

Tuning NFS: Identifying source of getattr requests

we run some Linux NFS clients against a NetApp NFS storage system. Currently we have over 50% getattr requests running against the NetApp using up precious CPU cycles. Using the netapp-top.pl script ...
1
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0answers
12 views

How Can I be Assured That my Issue Can be Helped Here?? [migrated]

As a relatively new StackExchange User and Contributer, I see a lot of the same questions in some form or fashion day after day. I don't mind helping each visitor, but before I do, I always have a ...
0
votes
3answers
42 views

Remote Desktop like screen/tmux (from windows)

Is there a way to remote desktop into a Linux desktop from Windows and have it just like Windows? So if i remote desktop to a Linux desktop from a Windows machine I want to the see that Linux desktop ...
1
vote
0answers
81 views

Xorg consuming 1.1GB, is it a leak?

I am facing a problem wherein Xorg starts to consume more and more memory and finally eats up the whole swap space. As shown below, Xorg's virtual memory is about 1.1GB. My system runs only one GTK ...
1
vote
1answer
16 views

Always Forward Traffic Out The Interface It Originated On

(This is the original question but my eventual solution was too different from how I originally asked the question so I'm posting as a new question.) Background: I have a VM with three different ...
0
votes
1answer
39 views

Syntactic differences in cp -r and how to overcome them

Let's say we are in a blank directory. Then, the following commands: mkdir dir1 cp -r dir1 dir2 Yield two (blank) directories, dir1 and dir2, where dir2 has been created as a copy of dir1. ...
0
votes
1answer
26 views

BUG: scheduling while atomic

I have just installed Linux (OpenSUSE), and when start the OS, I get an error BUG: scheduling while atomic: systemd_udevd plymounthd... what does it mean?
0
votes
2answers
60 views

Download n Upload files via telnet session

I have an attendance Device with Linux OS installed. I am able to connect that device via telnet session. There are some files in the device which I need to download and upload with new files. How can ...
1
vote
1answer
22 views

Iptable forward interfaces for gateway machine

I have two Ethernet interface being configured to use as system gateway ex: eth1: 10.10.1.0 eth2: 10.10.2.0 I want to forward all the packets which are coming to the 10.10.2.0 gateway contacting ...
1
vote
2answers
34 views

access of linux and windows to same share location

I have some scenario in which I have to use windows (because of the applications), but some of the operations it is much easier to perform on Linux. Therefore, I'd like to install some machine which ...
0
votes
1answer
20 views

/etc/sudoers file help in giving access to all command in UNIX

/etc/sudoers file help in giving access to all command in UNIX. I read it has rules specified like #root ALL=(ALL|ALL):ALL that specifies root accesses. My question is when we execute a command ...
1
vote
1answer
26 views

Find out with a command if we can listen on a port

It is possible with a simple Unix command to find out if we can listen on a port or not? I'm building an application in which the user has the permissions to change the port. I have to check though ...
0
votes
0answers
34 views

Detect whether a swap partition is in use by a hibernated system

Is there a way to detect whether a swap partition contains the memory of a hibernated system? More specifically: suppose I have a Linux installation and that I hibernate it. This means that all the ...
0
votes
1answer
76 views

How to execute Windows commands remotely from Linux machine using rdesktop command?

Is it possible to run Windows commands using rdesktop tool in Linux? I tried with rdesktop -s option: rdesktop -u user -p 10.0.0.2 -s "cmd.exe" but I'm not able to open the cmd.exe using the above ...
2
votes
1answer
21 views

Do root's supplementary groups behave differently than regular account ones for NFS shares?

OS: Linux CentOS 7, NFSv4 On one machine I exported an NFS share group-owned by the nfsgroup with 2770 privileges for group collaboration: groupadd -g 5000 nfsgroup chown nobody:nfsgroup ...
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0answers
25 views

Serial Terminal (Minicom) session does not start

The serial port ttyS0 is enabled. # setserial -a /dev/ttyS0 /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4 Baud_base: 115200, close_delay: 50, divisor: 0 closing_wait: 3000 Flags: ...
0
votes
0answers
30 views

How do I install tools, packages on Linux 3.0.8 armv7l?

Environment FriendlyArm Mini210s Linux 3.0.8 armv7l On the board: # uname -a Linux 3.0.8-FriendlyARM #76 PREEMPT Thu Aug 21 16:53:31 CEST 2014 armv7l unknown I need to install development ...
0
votes
0answers
37 views

grub2 error with multiboot header [closed]

So, i try to run simple example "hello world" in grub2. After i choosed my mini_os in grub2 menu saw error with multiboot header. Here is my linker.ld ENTRY (loader) LMA = 0x00100000; ...
0
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1answer
19 views

term definitions not found

I am trying to select best term for UNIX terminal , checked the term information post , but when I try to get information about ls /lib/term* its not defined. However I did find ls ...
1
vote
1answer
32 views

Which system call is used for modifying file attributes on Linux? [closed]

I asked this on Stack Overflow and they told me ask this question here. I've searched the net for pages mentioning file attributes and system calls, but none of them ever say which system call is ...
-1
votes
0answers
23 views

Ping Printer then Execute Command

I have many printers on my network using CUPS and a few pause occasionally. I can't find any consistency between them to isolate the cause so in the meantime I've made a script to view all paused ...
3
votes
2answers
403 views

What does LTR kernel mean?

I was reading some sites and came across (LTR) by the number of kernel. Can somebody explain what is means?
0
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0answers
18 views

Should I create aliases for local user accounts in Postfix?

Should I create aliases for local user accounts in Postfix, if I use virtual users and virtual domains? If I want receive all emails addressed to root, it is possible to forward them to ...
0
votes
1answer
36 views

how etc/hosts file is created during Centos 4.9 installation

We have our servers running CentOS 4.9. I want to find how /etc/hosts file is created during installation. A related question here (What creates /etc/hosts (RHEL 5.5)) says that in RHEL 5 /etc/hosts ...
0
votes
1answer
34 views

Why kernel threads are treated as processes

In output of the ps command like the one below (kthreadd,ksoftirqd,kworker) , i can see that there are some processes that don't have an executable file and i find out that's because they are kernel ...
0
votes
1answer
58 views

Creating a list containing filenames with paths

I have a directory(INPUTDIR) with sample names as subdirectories(508_C,540_C,570_D etc).Within those each subdirectories there is another directory called FASTQ which contains two kinds of files. ...
2
votes
0answers
39 views

Default iterface/routes metric in Linux

When I run ip route on my Linux machine, I see default via xxx.xxx.xxx.xxx dev eno1 metric 202 I wonder, where this 202 metric is configured and what other ip commands use it.