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.

learn more… | top users | synonyms

8
votes
2answers
1k views

Are SUSE servers intended to be used graphically?

After being a long-time Debian Linux user, I decided to give SUSE a try. One of the major selling points of SUSE is the YaST configuration system. It provides a set of wizards for common configuration ...
0
votes
0answers
3k views

Install Broadcom wifi adapter driver in BackTrack 5 R1

How can I install the Broadcom BCM43142 driver in BackTrack 5 R1? Please can anyone guide me with step by step instructions as I am new at Linux.
2
votes
4answers
3k views

How should I prevent data corruption on an NTFS partition shared by Windows and Linux?

I use Linux for most of the things but I still need Windows sometimes. So, I have Linux Mint 14 and Windows 8 installed (dual-booting) on my computer with the following disk setup: sda1: The 350 MB ...
20
votes
8answers
33k views

How to determine which sd* is usb? [duplicate]

Possible Duplicate: How to know if /dev/sdX is a connected USB or HDD? The output of ls /dev/sd* on my system is - sda sda1 sda2 sda3 sda4 sda5 sda6 sda7 sdb sdc sdc1 sdc2 ...
0
votes
2answers
188 views

How to know which hard disk is the new one and which one is the old one

I ordered 2 SSDs from my provider. However, which drive is the main drive? How do I know which drive is the new SSD drives?
1
vote
1answer
758 views

linux driver installation error - “/lib/modules/2.6.18-194.el5/build: No such file or directory. Stop.”

I got an error /lib/modules/2.6.18-194.el5/build: No such file or directory. Stop. while installing moxa driver, following is the shell screen shot. [root@lnx149-252 driver]# pwd ...
6
votes
2answers
2k views

Why are there so many virtual terminal devices?

I've been reading the Advanced Linux Programming book and it mentions about virtual terminals which, if I understood it correctly, it is a Linux-specific feature (not in Unix) to allow multiple login ...
5
votes
2answers
5k views

What a 64 bit Linux can do that 32 bit linux can't?

I ordered a server from fdcserver. Then I realized that, unless changed, fdcserver actually provides 32 bit operating as default. I logged in using SSH, typed uname -m, and to my horror I saw that I ...
1
vote
0answers
147 views

Creating a Virtual filesystem to boot linux

I am trying to boot the linux kernel (bzImage) in QEMU but have had issues. After asking on U&L I found out that my problem was that I was booting the kernel without a filesystem to boot from. So ...
1
vote
1answer
119 views

After running screen, screen doesn't seem to be running

I use ssh to log into a remote machine and then I use the screen command to create a virtual screen. Now, if I type in exit normally I should only exit the screen and return to the remote ssh ...
5
votes
0answers
228 views

How to disable select-on-release right mouse button in Linux [duplicate]

We are having issues with mouse behavior in Linux. In Windows: In any application, to open a context menu and select an option: right mouse button down + release move the cursor to an option left ...
0
votes
1answer
352 views

Opendns setup failed. How to fix it?

I have problems trying to configure OpenDNS. I have contacted OpenDNS support but they did not answer. I cannot access websites like Twitter and Facebook. I tried welcome.opendns.com (did not ...
1
vote
3answers
1k views

Killing all the process of a command except first process

I am sometimes stuck in a situation where a script/command kept in Cron runs more than once because of some reasons (the first instance is not completed fully, the second instance of the same process ...
1
vote
2answers
747 views

btrfs performance

I decided to mess around with btrfs and found some weird performance anomalies. The tests I've done are with with two external hard drives one formatted with ext4 the other btrfs. ext4 performance ...
3
votes
1answer
420 views

Removing windows partition from dual-boot

I have a dual boot of Windows 8 and Linux Mint 14. I want to remove the windows partitions and format them to ext4. sudo fdisk -lu gives me this.. Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 ...
1
vote
0answers
51 views

How to find system call implementations in Linux/Android 2.6.29? [duplicate]

Possible Duplicate: Understanding the Linux kernel source I want to modify some system calls for tracing purposes. To be specific, whenever a system call open is made, I want to print some ...
1
vote
0answers
761 views

Busybox `uname -r` shows wrong kernel version

My kernel is 3.2.27 and /lib/modules/ contains 3.2.27 + folder. But when I am using /# uname -r 3.1.9+ It's showing a strange output. My problem is that for modprobe depends on uname when I put ...
12
votes
3answers
1k views

Why do Linux people always say to read the manual? [closed]

Why do Linux people always say to read the manual when it would be so much easier to just give you an answer? There's no manual! It didn't come with one.
2
votes
2answers
514 views

Transfer a file from Android to a PC (not in the same network)

If I were connected by wifi in my network, there isn't any problem because with AirDroid I can access the sdcard files using the browser. However when I am out, how can I transfer a file from my ...
0
votes
1answer
455 views

What is a datastore especially when considering *nix systems as hosts?

Is it the .vmx files that are created on installing VMWare, does it differs across Windows and Linux platforms as hosts? How can we create or browse datastores when the host is Linux or Windows?
2
votes
2answers
1k views

Very slow SW-RAID 5 in Debian Squeeze

I don't know why, but I have big trouble with speed of my raid. I have 4x WD RE4 7200RPM 500GB. Size of RAID 5 is 1000GB. 1 of HDDs is Spare. Problem is here: Every 1,0s: cat /proc/mdstat ...
2
votes
2answers
1k views

No /proc in a Busybox-based embedded Linux distribution

I am making an embedded Linux distribution and my board is a Raspberry Pi. My kernel version is 3.2.27 without initramfs and my root file system as follows: /lib /* contains ...
2
votes
1answer
2k views

Passwordless sudo of a command containing a comma

I have a number of users of a desktop machine, who each have a folder on a remote samba server. I am trying to set up per-user mounting of these network folders following the instructions here: ...
4
votes
3answers
128 views

What is contained in these addresses?

I am working on MUlti-processor record-replay feature of a virtual machine. I have a log of non-deterministic memory access done in the virtual machine by virtual CPUs. A very high proportion of these ...
7
votes
2answers
2k views

Restrict file access to append only

I have a directory with log files and I'm putting logs from script launched by users into them. Logging with syslog doesn't seem possible in this case. (non-daemon rsync) I want the users to have ...
2
votes
0answers
635 views

How to write a systemd script that runs usb_modeswitch and connects to the internet at startup?

I have a cisco AM10 wireless adapter and every boot, I need to run usb_modeswitch -v 1307 -p 1169 -L -I -u -l to get it to function as an adapter. Then I have to run a netcfg profile to connect to ...
3
votes
3answers
4k views

Can (CUPS) ppd files for Mac OS X be used for linux?

I am looking at buying a printer (actually an all-in-one I prefer for the features it provides, but I want to focus on the printer part here) which does not provide linux drivers, but does provide Mac ...
3
votes
1answer
12k views

How do I configure the network interfaces persistently in CentOS so it will survive a reboot?

I configured a network interface with the following commands: ifconfig eth0 up ip addr add 192.168.9.1/28 dev eth0 route add default gw 192.168.0.1 This works. However, when I reboot the machine I ...
2
votes
0answers
1k views

How to set ssh access for user on debian?

I set groups: usermod -G ssh username and then I've checked account info: id username the result is: uid=1000(username) gid=1001(username) groups=100(username) Anyway if I try to login using ...
4
votes
2answers
335 views

Why buffers equals to used memory?

I'm using Ubuntu 11.10, virtualized by OpenVZ. That output of free -m shows that buffers is always equal to used. total used free shared buffers cached Mem: ...
3
votes
1answer
737 views

HDMI port not working after installing KDE Desktop Enviroment for Ubuntu

My laptop can't detect the HDMI port and my Samsung TV shows no signal. When I run xrandr, my HDMI port doesn't show in the output. Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x ...
4
votes
2answers
3k views

What difference is between ARM Debian for Raspberry PI and Ordinary debian x32/X64 for desktop?

I would like to know, how big is difference between ARM debian for Raspbery PI and x32/x64 debian for desktop. I would like to buy in future some ARM mini pc like raspbery PI and use it as for ...
1
vote
3answers
399 views

Current state of AMD graphics driver for Linux?

I've used Linux distros quite a lot and remember horrible AMD support for graphic cards. I'm building a new rig, atm, and would like to know if the situation improved?
3
votes
2answers
107 views

How long could I work with stable release after it is no more supported?

I'm still working on Debian squeeze which will be supported for only about 1 more year (it is server with KVM). How long is it possible to work on an old version of Debian (after Debian gets old) when ...
4
votes
1answer
558 views

How to know which commands are executed when I do something in GUI

This is for academic purpose. I want to know which commands are executed when we do something in GUI, for example creating a folder. I want to show that both the mkdir shell command and create folder ...
0
votes
0answers
543 views

Undervolting in Linux

Could you recommend me something different like Linux-PHC for undervolting in Linux? I would like to undervolt my AMD Phenom 9850 CPU. I am using Debian squeeze x64. For underclocking I use ...
2
votes
1answer
2k views

How to limit CPU performance for KVM VM?

imagine 1 Virtual machine with 2 shared cores on quad core CPU 2Ghz speed. Is it possible to limit this Virtual Machine for 500Mhz of CPU power on both cores? Or to reserve 1Ghz on 1 core for this ...
0
votes
1answer
595 views

SW-RAID 5 - how much CPU time and performance can it take?

I have Debian squeeze 6.0.4, 4x WD RE4 500Gb 7200RPM, Athlon II X4 600E and 24GB RAM DDR3. Since I work with SW raid 5, it takes much more CPU, than I think is enough. How can I get know, how much ...
3
votes
3answers
17k views

KVM - Which Web Based management to use?

I would like to became an Expert of managing KVM on debian squeeze. I still use virt-manager. Yes, it is easy and quiet safe and quick for me. I tried a lot of web based management UI and non of ...
-1
votes
0answers
31 views

how implement patch for change a arbitrary Governor in linux [duplicate]

Possible Duplicate: Implementing patch for changing a CPU frequency governor I am beginner in linux.I want implement a patch for change a arbitrary Governor in linux.not important what ...
24
votes
3answers
18k views

File system compatible with all OSes?

I use Linux and Mac OS X on a regular basis, and sometimes I have to use Windows. I need to use a flash drive on all three, and I need a filesystem that will work well on all of them. None of the ...
2
votes
1answer
4k views

how to allow different users of same group access/edit files/directories created a user of same group

here is my example, here I am logged in as root created a group using groupadd command called as devel. created two users dev1 and dev2 using useradd command. useradd -g devel dev1 useradd -g devel ...
2
votes
1answer
577 views

Does SDL require any sound server like PulseAudio to play audio?

I'm trying to make an MP3 player on top of the Linux kernel and busybox using the SDL and SMPEG libraries. Does SDL work on top of the kernel or it needs PulseAudio? I have just built a C program ...
-3
votes
1answer
282 views

Implementing patch for changing a CPU frequency governor [closed]

I am a beginner in Linux. I want implement patch for changing a CPU frequency governor.But I don't know what is patch and Governor in Linux and I don't know where I can start from? Please help me with ...
0
votes
4answers
610 views

targeted network speed over LAN

I have a Solaris 11 system which has several NFS exports which are accessed my other systems within my LAN. I use a Linux system as a client for testing. I wrote a quick script to test read speed and ...
4
votes
5answers
708 views

Print non-existent files from a pipe input

I have a directory of lots of .PDF and .JPG files. There should be a .JPG file for each .PDF with the same name. I'm trying to use a command to find .PDF files that doesn't have a .JPG file. My ...
6
votes
2answers
1k views

RLIMIT_NPROC suddenly overwhelmed

In a small script I have, I'm starting a shell and then setting RLIMIT_NPROC on it to some small number, like 5, using prlimit Then, I try to execute a shell script that only contains: #!/bin/bash ...
1
vote
0answers
189 views

iSCSI on startup

I've configure iSCSI but CentOS 6.3 is unable to recognize if on startup. Here is fstab config: /dev/sdb1 /home ext4 _netdev 0 0 Here is iscsi.conf ...
8
votes
3answers
2k views

Difference between commands in bash script and commands in terminal

Are there any differences between commands that you type into the terminal and commands you include in a script?
5
votes
2answers
589 views

Why do entrepreneurial companies choose Linux rather than FreeBSD?

FreeBSD is an operating system. Linux, strictly speaking, is just a kernel, but the two systems are not too much different and in performance, at least, we can say they are comparable. Open source ...