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  • Make a mosaic picture out of 900 images

    - by unor
    I have ~ 900 pictures (mostly photos) of varying sizes. Now I want to create one big picture that includes all 900 pictures in a small thumbnail-like resolution. The tool should automatically resize the thumnails so that everything fits. All pictures should be added next to each other, so there should be no border/padding. Each picture should be included exactly one time! (however, it would be okay to omit a few so that there is no empty space) I'm looking for a tool (FLOSS, for GNU/Linux) that can do the job. I tried Metapixel, but it needs an input image that should be "resembled" by the thumbnails, and it only uses a selection of all pictures. I found montage, but couldn't get a result yet, because my system was unresponsible for hours after starting it. Maybe there are some tweaks? AndreaMosaic is recommended in this answer, but it's not FLOSS (and needs Wine to run it on GNU/Linux).

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  • How to configure in crontab with condition statement for checks

    - by chz
    We like to monitor the NAS storage mounted on a linux box. We only like to be notified via mail when the usage exceeds a certain number say 80. We have only seen in linux books where most of them are calling shell scripts at certain times. How do we write inside crontab to only mail us if it exceeds 80 ? Usual eg 2 2 * * * /home/someUser/script.sh 2&1 | mail [email protected] Looking for solution like below 2 2 * * * if [ someNumber "80" ] ; then /home/someUser/script.sh | mail [email protected] Sincerely

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  • ubuntu boots into gnu grub 1.99

    - by greenish
    I've tried set root=(hd0,2) chainloader +1 boot set root=(hd0,2) linux /boot/vmlinuz... and the loopback (loop0) /ubuntu/disks/root.disk command etc. When I try the boot command it tells me there's no kernel and when I boot Win7 (it's a dual boot) the root.disk says 0kb. nothing boots from the live usb I've made and I've tried to use programs to mount the partitions to no effect - they only show me what's on my windows file drives. I've got some really important docs on the linux harddrive I need to get to. any ideas?

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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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  • How do I get a listing of music files on a specific drive

    - by Kevin34
    I'm helping someone setup thier IPOD, but they are using Windows 7, and I know XP. I don't see the music in the directory lising on his computer that I see on the IPOD. So I'm trying to search for all music files on e: In Windows XP, this is easy. Windows 7 has changed everything. I googled this, and I found to type "music" in the Windows search bar. This result in music "Libraries." Great. There's still not a listing of the files. I can search for *.wma, but that doesn't list all the music on the IPOD. There are many types of music files, how do I get a list of ALL music files on JUST drive e:? Again, on XP this was VERY easy.

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  • How badly do SSDs degrade without TRIM?

    - by joev
    SSDs have been out for a few years, and have seen all kinds of usage patterns. Windows and Linux support the TRIM command, with Mac OS still trailing behind here. Update (2 Aug 2011): It appears OSX Lion has support for TRIM in Apple-branded SSDs. There is a utility that enables TRIM in non-Apple SSDs I'm sure plenty of Mac users (and pre-TRIM version of Win/Linux) have SSDs. So, to you folks: have you noticed a degradation of SSD performance during its lifetime? How long have you been using the SSD, and how bad is the degradation? I'm assuming that even at its most degraded state, a modern SSD would still smoke a traditional hard drive in terms of performance.

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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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  • 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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  • "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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  • 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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  • 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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  • Unable to delete a directory from NTFS drive: "Access is denied"

    - by EMP
    I'm running Windows XP Pro x64 SP2. I have a directory on an NTFS drive that was created by a Maven build. A subsequent build attempted to delete this directory and failed. I now get the error "Access is denied" whenever I try to do anything with that directory: change to it, delete it, rename it. This happens both in Windows Explorer and from a command prompt. The properties dialog in Windows Explorer doesn't even contain the Security tab. I created the directory, so I don't think this is truly a permissions issue. I've occasionally had this error happen in the past is well. I believe the error is misleading, but the question is: what is the real problem and how do I fix it?

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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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  • 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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