These questions are about Linux in general -- NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the /linux tag.

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10
votes
5answers
431 views

Book on how Linux works from an administrator's point of view?

I did find this book, but I was wondering whether there's a newer book on the market, because this one was released in 2004. I'm sure a lot has changed in the past 7 years? I need a book that helps ...
0
votes
2answers
178 views

A reliable and free way to use Linux on Windows, multiprocessor and x86_64

I need a reliable and free virtual machine to run Linux on Windows, multiprocessor and x86_64. I need a good environment to compile and run ffmpeg and libvpx. I have used Mint Debian under Virtual ...
5
votes
1answer
6k views

Acer Aspire S3 or Asus Zenbook Ultrabook for running Linux (Ubuntu / Debian)

I'm curious if anyone has had success with running Ubuntu or Debian on the latest Ultrabooks. Specifically, the Acer Aspire s3 or the Asus Zenbook? I have had an Asus UL30a since they came out, ...
0
votes
1answer
1k views

Where can I find Mandrake 7.0 ISO?

I'm on the look out for Mandrake 7.0 ISO but I can't find it anywhere. Anyone have it? I need the i586 version.
0
votes
2answers
390 views

Is FreeBSD license easier than Ubuntu/Fedora/CentOS/ArchLinux when it comes to GPL + Close source + Sell?

If I use FreeBSD/OpenSolaris, and stop using Ubuntu/Fedora/CentOS/ArchLinux, migrate my all applications to FreeBSD/OpenSolaris will that reduce license problems? Specially, GPL/LGPL is very ...
5
votes
1answer
3k views

Suggestions for IRC Server

I am planning to setup an IRC server for our internal communication needs. Which of the IRC servers do you guys suggest? Things I am looking for: Should not be very complex to setup Should allow ...
1
vote
1answer
497 views

X11 Forwarding Problem Netscape

I have the following problem. A working verbose x11 forward request looks like this: remote server release: Red Hat Linux release 6.2 (Zoot) sh-4.1$ ssh -1 -vvv -l username -o "ForwardX11 yes" ...
14
votes
4answers
4k views

discribe in details tha boot process of any linux system

I am preparing a document in detail showing light on the boot sequence of Linux right from pressing of Power-on button the host to the login prompt appearance. It would be great if we could combine ...
5
votes
2answers
11k views

Unable to boot VM: Error 13: Invalid or Unsupported Executable Format

I used VMWare vConverter and everything converted fine, but when I try to boot I get an error: The physical machine boots correctly, so I don't think it is a source machine issue. I am not sure why ...
7
votes
2answers
13k views

Can I change the default mail recipient on cron jobs?

I believe that if there is any output from a cronjob it is mailed to the user who the job belongs to. I think you can also add something like MAILTO=vivek@nixcraft.in at the top of the cron file to ...
3
votes
0answers
1k views

Keyboard repeat without pressing a key

Occasionally a key repeats although I do not press the key. I would like to prevent this phenomenon. The phenomenon happens when I am pressing Ctrl+w again and again. After several times of Ctrl+w, w ...
7
votes
2answers
21k views

Check whether network cable is plugged in without bringing interface up

I am trying to identify NICs on ~20 remote servers (2-6 NICs on every server). To begin with, I want to identify those ready for use and free ones. How can I check the state of the physical media? I ...
5
votes
4answers
2k views

Should I install 32 or 64 bit?

I'm going to be installing linux on my 64bit netbook. Last time I checked I was advised that for personal computers (not servers) it is best to install the 32bit version. I believe the reasoning was ...
2
votes
2answers
2k views

How to fix this error? make: *** [obj/local/armeabi/libgstaudioflinger.so] Error 1

I am trying to install this following framework from my Linux Fedora box to Android using there SDK/NDK. But after following all instruction its getting still failed to get build. Any idea how to fix ...
3
votes
1answer
1k views

Limit process resource consumption in CentOS 5 (2.6.18 kernel)

I would like to limit the resource (CPU, Memory, and network bandwidth) consumption of processes on the same server. And it will be good if I can migrate processes from one server to another. I ...
0
votes
0answers
847 views

Proprietary ATI driver on linux not working with GLUT

I have a laptop with an ATI Radeon 3450 Graphic card (Lenovo U330). I have Crunchbang Linux (basically Debian Squeeze). After installing the proprietary ATI drivers ...
3
votes
1answer
821 views

Hardware code(s) from “sensors” command

When running the sensors command in the terminal, the output contains what appears to be some sort of unique identifier for each piece of hardware listed. This is the output, as you can see below, for ...
58
votes
3answers
74k views

How can I use the “mail” command?

I am not great at using the mail command on Linux. How can I get better? I don't even know what program this is. Is it pine? I doubt it. It is in /usr/bin/mail and when I start it is tells me that it ...
4
votes
1answer
1k views

How do I get svlogd to write data more often within a runit job

I currently have this log/run script as part of a runit service: #!/bin/sh set -e exec svlogd -tt ./main If I "tail -f log/main/current", I don't see the service output written in "real time." It ...
2
votes
1answer
5k views

How to set a new password from bash?

I'm using busybox with a limited passwd (I don't have --stdin option) and without chpasswd and I need to change the password of an user from bash. Here is my best result: echo newpassword > ...
0
votes
1answer
738 views

apache ldap authentication taking far too long

I configured apache2.2 (CentOS 5.6) to provide ldap authentication with Active Directory. <Directory "/var/www/html"> AuthType Basic AuthName "Authenticate with domain ...
0
votes
1answer
188 views

GRUB splashimage

I am using leagcy GRUB (0.97) on a system running linux kernel 2.6.31. I am using a GRUB splash image from /boot/grub/menu.lst. I see that the splashimage goes away once the GRUB menu selection is ...
6
votes
1answer
584 views

What are the main differences between Unix and Linux kernels today?

I know that many of the same programs run flawlessly on top of both kernels. I know that historically, the two kernels came from different origins. I know philosophically too that they stood for ...
4
votes
5answers
4k views

Difference between 'man ls' and 'ls --help'?

I use both man and --help in Bash programming to get help. For example, to get information about usage of ls command, I may use man ls Or ls --help Both give some what similar output. What is ...
4
votes
3answers
1k views

Linux distribution with 'yum' package manager

I hope that this question is appropriate for this site (if not, please accept my apologies). I am a professional statistician who uses the statistical programming language R. I'm currently building ...
23
votes
2answers
87k views

How can I change a user's default group in Linux?

Being new to Linux administration, I'm a little confused about the following commands: useradd usermod groupadd groupmod I've just finished reading the user administration book in the Linux/Unix ...
13
votes
3answers
18k views

How can I track who SSH'es into my linux machine?

I'm running Ubuntu 10.04. Is there a way I can get a daily report of who has logged onto the box, what time, and even - this may be asking too much - a report of the commands they used? This is a ...
5
votes
6answers
9k views

Can I use `apt-get` to upgrade to the latest version of Nagios?

At the time of this writing the latest version of Nagios is 3.3.1. I am running Ubuntu 10.04 and have used apt-get update; apt-get install nagios3 to end up with version 3.2.0. I know there are a lot ...
15
votes
1answer
12k views

How do I set a user's default .bashrc file?

On Ubuntu 10.4 I have edited the /etc/bash.bashrc file to set some variables like the command history size (HISTSIZE=5000), however if I create a new users Ubuntu by default gives them a .bashrc file ...
2
votes
1answer
593 views

How can I regenerate the default '/etc/' config files?

I've removed nagios3 with apt-get remove nagios3 and then removed the files in by using the command sudo rm -R /etc/nagios* Now when I run apt-get install nagios3 the config files (/etc/nagios3/*) ...
1
vote
5answers
1k views

Linux distribution that still ships with KDE3?

Is there any Linux distribution that still comes with support of KDE3?
8
votes
4answers
4k views

Safely use SD cards when power can go out at any time

We're working on a small embedded Linux system (2.6.35-ish) with a smallish internal NAND device for the OS and applications (250-500Meg) and an SD card with 8Gb SDHC SD cards for data. The unit's ...
1
vote
1answer
361 views

Adding rules to my mail server

I need to add rules to my mail server. I need to bcc an email address on outgoing and incoming emails for certain email accounts. The first thing I need to do is to find out what mail server software ...
3
votes
4answers
2k views

Accidental deletion of /lib directory in Fedora 15

I accidentally deleted the /lib directory on my Fedora 15 machine and I'm not sure how to go about fixing this. Any help in figuring out how to restore the directory along with symbolic links would be ...
17
votes
3answers
7k views

(How) can I create a tmpfs as a regular (non-root) user?

The distribution is an Ubuntu server running the 2.6.35-30 Linux kernel. I would like to have a directory that sits completely in memory. Is this possible without root privileges?
2
votes
1answer
887 views

Possible to convert a linux installation to .VDI or ISO format?

I have an Oracle Peoplesoft installation set up on some virtual machines (they were in OVM format). I'd like to copy them over so they work in VirtualBox… would it be possible to convert them ...
0
votes
1answer
636 views

How to fix “number of errors while writing to disk(or) multi-zone error rate”?

I ran hard disk checker, and i found this error: Write Error Rate: number of errors while writing to disk(or) multi-zone error rate (or) flying-height --- Normalized: 200 Worst: 200 Value: ...
4
votes
2answers
496 views

How can I use one network port for VPN and the other for everything else?

My Linux machine has two network ports with two IP addresses. I want to use one port for my VPN and accounting, and the other port for other usages. How can I tell Linux not to allow any requests from ...
2
votes
1answer
351 views

Make Software raid of kernel use dedicated core of cpu

I am sure this is more of a question related to approach than a tech-how-to. I have 2 processors, each with 2 cores on my machine. I have Software RAID (md0) configured using Linux kernel. Is it ...
3
votes
0answers
509 views

New Mail Arrived notification Kmail + Jovie Speech customizing

When a new message arrives, Kmail has ability to speak! Which is great but not enough: I don't want to listen to a standard text but have a proper functionality: When a new message arrives, Jovie ...
3
votes
1answer
569 views

What is the kernel doing when I bring a TUN/TAP interface up

I'm playing around with the TUN/TAP device on Linux. I've created a simple program that creates a TAP interface and prints anything that is sent through it. When I bring the interface up with ip link ...
19
votes
12answers
20k views

How can I “cat” a file and remove commented lines?

I'd like to know if there is a way that I could cat file like php.ini and remove all lines starting with ; For example, if the file contained this: ; - Show all errors, except for notices ; ...
0
votes
1answer
580 views

LinuxMint, unable to set swap partitions to equal priority

I only recently realised that you can specify multiple swap partition, spreading them across drives. Well that's great for me as my desktop system often uses swap space and I have three different ...
1
vote
1answer
747 views

Atheros AR9285, Linux and 802.1n (oh and a linksys E3000)

Recently I bought me a Linksys e3000 access point. I configured this access point to, on 2.4GHz, only allow connections with 802.1n. The laptop I use has a Altheros AR9285 wifi chipset. Connecting ...
3
votes
1answer
995 views

Set executable heap

The execstack program can be used to mark ELF-binaries as needing an executable stack. Is there a similar way to mark the heap as executable? Preferably for a single binary but if that's not ...
3
votes
2answers
5k views

Second field in /etc/shadow

If the second field of the /etc/shadow file is set to !!, does it mean that the account is disabled? Or does it mean that the account is active with no password assigned?
17
votes
3answers
7k views

Are multiple @daily crontab entries processed in order, serially?

I want two jobs to run sometime every day, serially, in exactly the order I specify. Will this crontab reliably do what I want? @daily job1 @daily job2 I'm assuming they run one after the other, ...
5
votes
2answers
4k views

How to connect two computers via internet with ssh?

I want to connect another computer via internet that doesn't have a public IP. Is there any away to do this?
1
vote
1answer
961 views

Allow Windows file share through a Linux Firewall

I'm struggling to enable NTFS share between two Windows (XP and 7) hosts through a Linux firewall. Here's my setup: [XPMachine-LAN1]---------->[LINUX FIREWALL]---------->[Win7-LAN2] What I ...
1
vote
2answers
607 views

Crontab not triggered

I have a program written in C with OpenCV. It captures an image from the webcam and saves on the disk with the name given as an argument. I want to trigger it every minute, thus I inserted the ...