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  • Shuttleworth: Linaro: Accelerating Linux on ARM

    <b>LWN.net:</b> "Mark Shuttleworth posts his thoughts about Linaro. Canonical will be working closely with the project, which has plans for six-month release cycles like Ubuntu. Linaro will also be using some Ubuntu infrastructure such as LaunchPad"

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  • Create setenv.sh to set system property

    - by user3475398
    I have to use setenv.sh to set system properties. I am using Linux OS and Tomcat Server 6. As described here Linux Environment- setenv.sh , I have created a setenv.sh in tomcat/bin, and the only think I added is the export JAVA_OPTS =”-Dmyprojectvar.subname=value -Danothervariable=value -Danother.variable=value” I dont know, is this enough to set the properties. I just want to add three properties to tomcat as system property using setenv.sh. What should I do to complete it successfully? What are the steps for it?I saw this question setenv.sh is not working in http://stackoverflow.com/. No is answer given there and ,even ,I don't understand the question. ie, Do we need to set CATALINA_HOME and other properties somewhere in setenv.sh?.

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  • Running 'dd' command at startup?

    - by Usman Ajmal
    Hi, I have set a script to run at Linux startup. The script contains a following line of code dd if=/dev/sda2 of=/dev/sda5 ?> result.txt Now, when my Linux Desktop appear, result.txt contain dd: opening '/dev/sda2': Permission denied If I prefix the dd command with sudo as: sudo dd if=/dev/sda2 of=/dev/sda5 ?> result.txt the result.txt contains sudo: no tty present and no askpass program specified Is there a way I can get around this problem? What I want is to copy 2nd parititon to 5th when a user logs in no matter if he is root, admin, Desktop or an unprivileged user. Thanks a lot as always.

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  • trying to setup multiple primary partitions on ubuntu linux

    - by JohnMerlino
    I currently have ubuntu desktop installed on a harddrive. I want to partition the harddrive so that I can reserve 30 gigs for ubuntu server and 30 gigs for ubuntu desktop. The drive has 300 gigs available. Right now I am booting from dvd drive and installing ubuntu server. I selected "Guided partitioning" and created a 30 gig primary partition of Ext4 journaling filesystem, set "yes, format it" for format partition and set bootable flag to on. I intend to use this 30 gig partition to hold ubuntu server and allow me to boot from it. Now I have two other partitions. They are both set to "logical", one is currently using 285.8 gigs and is using ext4 (when I try to set bootable flag to true, it gives a warning "You are trying to set the bootable flag on a logical partition. The bootable flag is only useful on the primary partitions"). More alarming it says "No existing file system was detected in this partition". Actually, Im thinking that this is the parittion that is supposed to be holding my current Ubuntu Desktop. And of course I want this to be bootable and be a primary partition, so I could dual boot from this and the server partition. Now the third partition is also set to logical and it is being used as swap area. My question is regarding that second partition. Its supposed to be a primary partition thats holding my existing ubuntu desktop edition. How do I switch it to primary and to make sure that its pointing to my existing desktop installation?

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  • "bin/sh: can't access tty; job control turned off” error when running shellcode"

    - by Nosrettap
    I'm writing shellcode to exploit a buffer overflow vulnerability on a server. To do so I have port binding shellcode that I send to the server and then I run (from a linux terminal) the command telnet serverAdress 4444 where 4444 is the port which I have opened up. The hope is that I will receive a shell back that I can use to execute commands. However, I always end up with the command bin/sh: can't access tty; job control turned off I can't change any of the server code, and I believe the shellcode is correct because I got it from this website (http://www.tsirogiannis.com/exploits-vulnerabilities-videos-papers-shellcode/linuxx86-port-binding-shellcode-xor-encoded-152-bytes/). From my research, it appears that this may have to do with the mode that my terminal is running in (something called interactive mode...or something like that). All computers involved are linux machines and the machine that I am on is running the latest version of Ubuntu. Any ideas what this job control error means and how I can fix it?

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  • New Nvidia Video Driver for Linux Supports X Server 1.8

    <b>Softpedia:</b> "Nvidia announced a few days ago, on its forum, a new version of its proprietary driver for the Nvidia graphics cards. Nvidia 195.36.24 adds support for new GPUs, and fixes a few issues. But the most important thing is that Nvidia 195.36.24 has support for X Server 1.8."

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  • What Happens When My Linux Breaks Down?

    <b>Daniweb:</b> "This post is a summary of a conversation I had the other day with an acquaintance of mine. It started out with him asking me what I do for a living and ended up with me having to choke back tears of laughter."

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  • process monitoring in c under linux

    - by poly
    I'm trying to write a multi threaded/processes application and it need to know how to monitor a process from another process all the time. So here is what I have, I have a 2 processes, each with multiple threads that handle the network part, then another 2 process also with multiple threads that interact with DB and with the network processes, what I need to do is that if for example one of the network processes goes down the DB process start sending to the live network process until the second one is up again. I'm using fifo between the DB and the network process. I was thinking of sending messages with message passing all the time but not sure whether this is a good idea or I need to use some other IPC for this issue, or probably neither is good and I need to use entirely something else? Thanks,

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  • Collecting and analyzing Linux kernel crashes

    <b>Dedoimedo:</b> "Welcome to the sixth article in the long series on Kernel crash collection and analysis. We have started the series with LKCD, an older utility, followed by a very long review of Kdump, both of which are available as PDF guides, free for download. "

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  • freebsd dev server on virtualbox over windows

    - by g_kaya
    I need a unixy environment for development purposes. I hate doing things on windows but it is more stable for daily use and I don't have a mac, so I'm having to use windows (7). I want to run freebsd in a virtual machine, configure it to be the localhost server, be able to connect using ssh (within my home-network) and be able to install vbox guest addons. If guest additions aren't the best, I can use solaris or linux flavours. I need no gui. I don't know anything about network stuff, so I need a detailed explanation from vise people here, or a nice doc to read. Edit : To be more specific as requested, I use following on unices: *django 1.4 *apache *python (2.7) *emacs *mysql *probably node.js *bash scripting I use windows to be able to do daily things easily, like connecting to my tablet, browsing and learning java. And I don't want to use linux as my desktop os, beacuse it gets broken a lot, it's annoying to maintain wlan problems and some more.

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  • dual-boot does not work

    - by elyashiv
    I have a PC with linux-mint installed on it. I wanted to install win-7 along-side, for some reasones. what I have done is: create a bootable USB-stick with Ubontu ios. restarted the computer, this time with Ubuntu (running from my disk-on-key). created a partition on the main HD using GPart. formated the partition to NTFS. restarted the computer, this time through the installation CD for win-7. installed win-7 with normal settings. that all worked, and I'm writing this through win-7. the thing is - when I boot my system, I don't get to choose what OS to run. I checked the settings in msconfig, and in boot label it has just win-7. how can I boot linux?

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  • Firewall is blocking internet traffic to OpenVPN clients

    - by user268905
    I have a virtual network setup with a Linux router/firewall connected to two private networks. An OpenVPN server in routing mode and a web server are in one of the networks. On the other are linux client machines which access the webserver and the Internet through the OpenVPN server. Also, external clients can access the OpenVPN from the Internet. The OpenVPN's server.conf is setup to use routing mode in udp, push DNS and routes to the network it is in so clients can access the webserver. Here are my very strict firewall rules. After connecting to the OpenVPN server, my clients can not access the Internet or the web server. When I allow FORWARD traffic to go through, it works just fine. The OpenVPN server has full internet connectivity. What firewall rule do I need to add to allow internet traffic to reach my clients?

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  • Win 2003 Junction Point to Remote Unix Share

    - by Pogrindis
    Env : Windows Server 2003 with already established shared folders over the local Domain via Windows DC and AD. - Linux box being used as a fileserver with the folder /files/share being R+W by all domain users, this is not a problem. I have already transfered the files from the Windows Box to the /files/share on the Linux Box however i now want to create a junction point in order to prevent users saving to the Windows box. I have tried the FileServer Administration on windows server 2003 however it will not allow me to junction remote servers. I have tried mounting the remote filesystem as a drive and proceeding that way however no joy. Anyone have any suggestions ?

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  • 24 More of the Best Commercial Linux Games (Part 2 of 3)

    <b>LinuxLinks:</b> "However, whilst the quality of these open source games is generally high and they are great fun to play, there is a lack of truly world-class innovative open source games. In many respects, the open source development model is not really applicable for game development."

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  • Experience with Intel X25-M 160GB and Oracle

    - by derobert
    We're considering building an Oracle database with 12 Intel X25-M G2 160GB drives in software RAID10. It'd be running Linux. Database gets some very heavy write activity during the early morning data load, other than that it is mostly read-only (and the read load is fairly minimal). We're currently running on 11 150GB Velociraptors (also Linux software RAID10), and are hoping the X25-M will speed up the data load. We currently have redo on different disks than the rest of the data. I'm wondering a few things: Any experience with using X25-M drives for databases? The X25-E are unfortunately beyond our budget. Would it hurt to separate redo off to some magnetic (non-SSD) drives, say 2 (raid1) or 4 (raid10) Seagate Constellations?

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  • What's the best lightweight Linux distro?

    <b>TuxRadar:</b> "The main idea of this test was to see how well these distros would run in a restrained environment. To this end, they were tested, where possible, on an ancient Compaq laptop with 256MB RAM, Vesa graphics, a 4GB hard drive and a 200MHz Pentium processor."

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  • Practical way of keeping up-to-date backup servers?

    - by ftkg
    What is the approach generally used when you want to have backup physical servers? Currently I have a Linux server running a database, a samba share, a webapp and some scripts; and a Windows Server, running some third-party software. What I would like was to be able to have a ready backup server to enter in production in case of failure, but how to keep them up-to-date? I've seen some expensive solutions for Windows; for Linux I've wondered if I really have to build an array of scripts.

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  • Linux Users Speak...Devs Open Source Their Games

    <b>Blog of Helios:</b> "Nils Grotnes emailed me about 20 minutes ago with some pretty cool news. Aquaria by Bit Blot ,Gish Published by Chronic Logic, Lugaru HD by Wolfire, and Penumbra Overture of course by Frictional Games have pledged to go open source."

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  • Will learning to use Fedora also teach me my way around Redhat (CentOS)?

    - by Matt Untsaiyi
    I want to dive into the open source world and start using a Linux distro while learning to program. I've looked over the options and it pretty much boils down to Fedora or CentOS. The reasoning behind it is I'm hoping to kill two birds with one stone... Redhat seems to be "the choice" for servers, so I figure as I learn to program, I can also learn my way around Linux... or Redhat more specifically... and get that under my belt too. I want to use Fedora, and be on the frontier of new software (since I'm not doing anything critical), but if it's completely different than Redhat I'd rather just use CentOS. So is it? Or can I use one and know the other?

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