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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3
votes
0answers
253 views

Implement Java/JavaFX on ARM

I am working on ARM Linux. I have found this link that says that JavaFX could work on ARM. I am confused about Embedded Java SE and JavaFx ARM. Do I need to setup a JVM for those or not? I have ...
2
votes
3answers
206 views

Connecting Debian webserver to network

I am currently running a webserver with Debian 5.0.2. It has been working (more or less) fine for the past 2-3 years but recently it went down due to some power-outage. Ever since I have brought it ...
-1
votes
4answers
3k views

Would you say FreeBSD is more stable than Linux? [closed]

This question is a sequel or a parallel question to my previous one: Unity problems & Searching for a good WM I am wondering whether my personal assumptions that FreeBSD is indeed more stable and ...
2
votes
0answers
94 views

Regain control of an X Server

I have a Gnome session running on my server. I started it with tightvncserver. Now it wont let me in anymore because of Too many authentication failures - client rejected This seems to be a ...
1
vote
1answer
857 views

How to avoid 4 core limit for Ubuntu within VMWare?

I have Ubuntu installed as VM on my laptop. My laptop has quad core with HT technology making it 8 cores. Within Ubuntu VM I can only use max of 4 cores. What should I do so I can access all 8? ...
2
votes
2answers
7k views

Ralink RT5370 Wireless usb dongle not working

lsusb Bus 002 Device 014: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter uname -a Linux HOSTNAME 2.6.32-279.14.1.el6.x86_64 #1 SMP Tue Nov 6 11:21:14 CST 2012 x86_64 x86_64 x86_64 ...
1
vote
0answers
308 views

Multithread http downloader with webui

I looking for software similar to JDownloader or PyLoad. JD is pretty good but use heavy Java and for now have very weak web interface. PyLoad is awesome, include simple but powerful web-UI but ...
1
vote
1answer
206 views

What does - mean with association to Linux files and directories [duplicate]

Possible Duplicate: What does “--” (double-dash) mean? What does '--' (two dashes) mean with association to Linux files and directories. I've found something else but not too sure if it is ...
6
votes
1answer
793 views

Timestamp of socket in /proc/<pid>/fd

If I list /proc/<pid>/fd I see a number of entries for sockets. These entries have timestamps. At first I thought they were when the socket was created. But it doesn't always appear to be the ...
1
vote
1answer
5k views

Uncompress txt.gz files [closed]

Trying to uncompress txt.gz files on Linux. gzip, gunzip, unzip are not recognizing the file format. The archive is guaranteed to be not corrupted.
3
votes
2answers
2k views

How to disable the system beep of LMDE?

I got annoyed with the system beep of Linux Mint Debian Edition when I login or logout. I have found some solutions like: echo "blacklist pcspkr" | sudo tee -a /etc/modprobe.d/blacklist but it ...
2
votes
1answer
2k views

Terminal server (ser2net) to configure new HP procurve switch

Switch: HP ProCurve 2910AL-48G - J9147A This switch is brand new straight from HP. Anyone familiar with ser2net for creating a terminal server to connect from usb>serial>console port on a HP ...
2
votes
1answer
305 views

Install OpenBSD on running Linux machine

I just found my old IBM ThinkPad 240 where I installed ArchLinux some years ago. The machine still works as intended but the package manager (pacman) does not work anymore at all. I tried to fix it ...
1
vote
1answer
468 views

How to feed linux new install drivers?

I'm trying to install a Linux distribution on my new setup, but after the first tries I failed without knowing why. My configuration: Desktop PC HP Processor: Intel Core i3 2120 @3.30GHz ...
2
votes
4answers
2k views

Replace all but a set of characters in a file with newline

how to delete all characters in file except numbers and "." , each word (numbers/dot) should be in new line in file see example2 the solution can be with sed or awk or ksh syntax remark - ...
1
vote
1answer
296 views

solaris + fit egrep for solaris

On Linux machines I use this syntax, in order to match all VALID ip's. My question: what needs to change for egrep command in order to run the egrep on Solaris? According to egrep manual page "-o" ...
2
votes
2answers
3k views

Concatenate multiple files under subdirectories

My directory structure is given below x:\Project_2012-158A\Sample_4041 SampleSheet.csv 4041_CGTACG_L002_R1_001.fastq 4041_CGTACG_L002_R2_001.fastq 4041_CGTACG_L006_R2_001.fastq ...
6
votes
2answers
977 views

What happens if I set default system runlevel to 0 or 6?

What I understand from runlevels is that in each level some programs have permission to be executed and some don't. runlevel 3 boots system into CLI and runlevel 5 starts the default GUI. But I don't ...
2
votes
0answers
279 views

How to setup KVM partitions?

I'm trying to install SolusVM/KVM on a server with one 500 GB HD and one 256 SSD. I am a complete beginner at Linux. SolusVM has a script on the site to download and install automatically, but how do ...
2
votes
1answer
138 views

questions on find and grep

With respect to the following find command-line find . -type f -exec grep -l strings {} \; I do not understand the usage of -exec and {} \.
-2
votes
1answer
393 views

/opt/nvidia-smi from nvidia-drivers pack outputs “failed to load nvidia kernel module”

Actually I have nouveau string in make.conf. "Nvidia-smi has failed because it couldn't communicate with NVIDIA driver. Make sure that latest NVIDIA driver is installed and running."
1
vote
1answer
227 views

Checking video card load via command line

Is there a command like cpustat or iostat or memstat, but for the video card? Or some indication in /proc or /sys?
1
vote
2answers
269 views

nme for linux target setup fails on debian

I'm trying to run haxelib run nme setup linux To set up NME for the Linux target on my Debian box. Actually Linux MINT Debian Edition, but that shouldn't matter. However, I get the following ...
3
votes
7answers
3k views

Checking if a file exists in several directories

I've been working on this far too long and need some help. I need a script that will look at files in a directory and see if it exists in one of several directories. I need something like this: for ...
3
votes
1answer
1k views

Linux disk I/O performance issue — what config options to look at?

We discovered an I/O related performance problem when using the default SLES11 SP2 kernel. Our same application on the same hardware had no issue with (the admittedly ancient SLES9 SP3). We had a ...
20
votes
4answers
2k views

Is there a reason why 'owner' permissions exist? Aren't group permissions enough?

I think I rather understand how file permissions work in linux. However, I don't really understand why they are split into three levels and not into two. I'd like the following issues answered: Is ...
4
votes
2answers
5k views

Prevent usbhid from claiming USB device

Directly related: Prevent claiming of novelty usb device by usbhid so I can control it with libusb? I want to access an RFID reader (works as HID device) from a program that uses libusb-0.1. In the ...
10
votes
2answers
593 views

Triggering an action when a specific volume is connected

I have a USB key that contains my keepass2 password database and I'd like to perform some actions when it is plugged into my computer, namely: Auto-mount it to some specific location When the ...
0
votes
1answer
239 views

Reinstall GRUB from LiveCD

I have both windows and linux run on same machine. In Windows, when I set parition C to main boot, I cannot use GRUB anymore. So, I decide to reinstall GRUB. But, when I use Fedora live CD to boot. I ...
0
votes
1answer
837 views

Setting mobile broadband connection in Fedora 17

I am using a Dell Precision M4500. I've realized that there is a SIM slot underneath the battery slot, I suppose it is for using mobile broadband access. I am usually connecting to the internet ...
2
votes
2answers
1k views

Lost ls directory highlighting after a crash

Normally commands such as ls and grep offer nice syntax highlighting for me. But my system crashed (running an ubuntu VM) and after I restarted, I no longer have this highlighting, it's all a dreary ...
8
votes
3answers
13k views

How to change cursor shape, color, and blinkrate of Linux Console?

I know I can change some fundamental settings of the Linux console, things like fonts, for instance, with dpkg-reconfigure console-setup. But I'd like to change things like blinkrate, color, and ...
3
votes
1answer
773 views

Kubuntu doesn't reconnect to Wifi after waking up from sleep

I just installed Kubuntu on my laptop and it's working fine so far, except the wireless connection is not switched on after waking up from sleep. I do have to click "Enable wireless" so that it ...
0
votes
1answer
348 views

Where to download Fedora 16

I am having a really hard time finding a place to download Fedora 16 64 bit distribution are there still places that have links up for 16th version instead of 17? A Virtual image for VirtualBox would ...
5
votes
2answers
15k views

No network connection in CentOS 6.3 Minimal under VMWare Player

I'm trying to replicate in VMWare Player the exact same conditions I have under my Dedicated Server for testing purposes. Now, the thing is that that when I try to install something, or ping ...
0
votes
0answers
37 views

free reporting huge amount of used memory [duplicate]

Possible Duplicate: real memory usage I recently got access to a machine which remains rather unoccupied. I looked up the available memory and was surprised to see that so much memory has ...
2
votes
1answer
3k views

Edit a file on CentOS 6.3 Minimal

I installed CentOS 6.3 Minimal on VMWare Player, and I realized how 'minimal' the setup is... Don't have network connectivity. From what I searched on google, I need to edit the file ...
5
votes
1answer
4k views

How do I setup more then 10 loopback device?

From this answer the solution is to modprobe loop max_loop=64 Which makes me allowed to use 64 loopback devices then mknod -m 660 /dev/loop8 b 7 8 To create the devices. I did this for 8, 9, 10 ...
3
votes
5answers
615 views

Where is the core of Unix?

I know there are a lot of questions like this, but I certain this one is rare. I am a computer programmer who wants to take on the challenge of building an operating system. I want to base it on Unix ...
12
votes
1answer
5k views

Are limits.conf values applied on a per-process basis?

I'm tuning the nofile value in /etc/security/limits.conf for my oracle user and I have a question about its behavior: does nofile limit the total number of files the user can have open for all of its ...
2
votes
2answers
8k views

Watchdog script to keep an application running

I currently use an application called MxEasy on my linux servers to display video from a couple of IP cameras. The software is rather buggy and crashes occasionally. I've wrote a script that checks to ...
1
vote
1answer
548 views

linux-sunxi - make failed, undefined references clk_*

I try to build uImage for linux-sunxi on a Debian box, which is prepared like this (How To Build Debian From Source Code for Mele): apt-get install emdebian-archive-keyring apt-get install ...
3
votes
1answer
1k views

How to replace setuid with file-system capabilities

Inspired by this question here is the follow-up: As some of you may know setuid-binaries are dangerous, since some exploits use these to escalate their rights up to root. Now it seems that there has ...
1
vote
1answer
1k views

Extract binaries from pcap using command line (script)

As the title says, I'm looking for a way to extract binaries from PCAP's using the command line. I realize it is possible using Wireshark -> File -> Export -> http objects etc. But tshark doesn't seem ...
3
votes
5answers
55k views

crontab -e , then 0 * * * * = every hour… Where is stored

After sudo crontab -e (it wrote "/tmp/crontab.XXXX70pN9h" 1L, 19C 1,1 All Then I saved the file. And to check..? (how? i don't know) And to check I ps -e | grep cron 29818 ? ...
2
votes
1answer
585 views

How to use crontab (Gentoo)?

First I installed and ran crontab: emerge cron crontab -e In another console, I ran man cron, but this has no examples of how to use crontab. Where can I get examples, and why are there none in the ...
-2
votes
1answer
163 views

How to operate USE flags? Is there a master class on Portage or Gentoo?

What man pages I need to read first?
5
votes
2answers
2k views

How preemption works on Linux when a program has a timer less then 4ms?

Jiffies in most Linux system are defaulted to 250 (4ms). The questions is that what happens when a program has a usleep() less then 4ms ? Of course it works as should when it is scheduled. But what ...
2
votes
1answer
57 views

Grub change loopback amount?

I'm having an issue with loopback. It looks like there is only 8. I did a search and apparently the problem is grub by default only has 8 loopback (devices?). If i look in /dev/ i see loop 0-7 so that ...
4
votes
1answer
1k views

Configure kbd and immediately profit of the changes without rebooting

I want to disable consoleblank and activates console clock vcstime which are obviously managed by kbd on my Debian 6. So I've changed the following in /etc/kbd/config file: POWERDOWN_TIME=1 ...