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  • Linux ls[] command

    - by pedro
    ubuntu@ubuntu:/$ ls /dev/tty[15-24]* /dev/tty1 /dev/tty13 /dev/tty17 /dev/tty40 /dev/tty44 /dev/tty48 /dev/tty10 /dev/tty14 /dev/tty18 /dev/tty41 /dev/tty45 /dev/tty49 /dev/tty11 /dev/tty15 /dev/tty19 /dev/tty42 /dev/tty46 what is wrong?

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  • Making a Ubuntu executable.

    - by sfactor
    i have made a program in C using the gcc compiler. Right now it has no GUI components. So, I am basically compiling it with makefile and running it in the terminal. I need to deploy it so that the executable is standalone. So, basically I want the executable to have an icon and when clicked start the program in the terminal. Can anyone tell me how to do this?

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  • Dell Vostro 1520 Unable to Read Compact Flash Card with Adapter?

    - by Jim Taylor
    I Purchased the Dell Vostro 1520 a few months ago and recently tried using a PCMCIA adapter for the Compact Flash card my camera uses. I can't get the laptop to find the card. Tried going online to see if a CF card should work, but have not found a clear or definate answer. I do not want to deal with Dell on the phone as even 800 #'s cost me more than it's worth to use. Hoping someone can let me know if I'm wasting my time trying to get the laptop to read my CF card. It's the only type card I have to try the input slot, so can't test to see if the input slot even works. Thanks, -- ‹(•¿•)› Jim

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  • How to disable horizontal scrolling within virtualbox on Ubuntu guest, Windows 7 host?

    - by Steven Rosato
    This post is a duplicate from superuser.com, but since I had no answers, I started to doubt it was a user question and maybe more of a programming question (because of the configuration files), so here it is: I am using Windows 7 as Host, Ubuntu Karmic as guest OS with guest tools installed and I get an annoying glitch when switching from host to the guest machine: vertical scrolling switches to horizontal! (using the mouse wheel). Since I don't really care about horizontal scrolling, how can I disable this? I have checked the web and the only thing I found was to play in the xorg.conf file and adding in the section "InputDevice" Option "ZAxisMapping" "4 5" which would enable vertical scrolling only. The thing is, I don't have that section in my config file so I guessed that I would need to add Section "InputDevice" Identifier "VBoxMouse" Driver "vboxmouse" Option "ZAxisMapping" "4 5" EndSection But that does not seem to work after restarting xserver. Any workaround for this?

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  • Check if key is pressed using python (a daemon in the background)

    - by Nazarius Kappertaal
    I've created a python script in which an event needs to be executed each time I press the Super (or WinKey) on my keyboard. How can one achieve this without the python process being "focused" - as it is running in the background waiting for the key to be pressed to execute the event? I've seen a lot of posts around the web showing me how to read input - but they have all required one to have the process "focused" and none have showed me how to capture the Super (or WinKey) using a python script. I'm running Ubuntu 9.10.

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  • Mercurial clone operation works, but I don't have write access

    - by normalocity
    Somewhere I did something silly. I was deploying my Rails app via cloning the Mercurial repo down onto my Ubuntu server. It worked the first time, and then...well, I made a small change on my dev machine, pushed the changes to the repo, and then deleted the copy on the Ubuntu server and re-cloned from the repo. The clone operation (the second, and third, and 'n' times) works without error, but I don't have write access to the files that were cloned. When I try to startup my mongrel - it can't create the /tmp folder, and because of no write access, fails to start the Rails app.

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  • ID3D10Device Memory Allocation Strategy and E_OUTOFMEMORY

    - by Buzz
    Hi,guys, I want to know more detail of memory allocation strategy in D3D10Device. Could you give me some help? First questions is: I know D3D10 has done some work on memory virtualization that means client don't need to consider where the buffer was reserved, GPU memory, AGP memory or Process system memory. Is this correct? Second question is: When I use ID3D10Device to CreateBuffer continuously, no matter what buffer desc type is, for example ID3D10Device::CreateBuffer( ... D3D10_USAGE_DEFAULT ... ); ID3D10Device::CreateBuffer( ... D3D10_USAGE_IMMUTABLE ... ); ID3D10Device::CreateBuffer( ... D3D10_USAGE_DYNAMIC ... ); ID3D10Device::CreateBuffer( ... D3D10_USAGE_STAGING ... ); etc, if CreateBuffer return error code "E_OUTOFMEMORY", does that mean process virtual memory is exhausted? And at this time, memory allocation on process default heap would also be failed? Thanks in advance!

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  • Where is the libray for 'dlsym'

    - by hap497
    Hi, I am getting this linker error: system/core/libacc/tests/main.cpp:42: error: undefined reference to 'dlsym' Can you please tell me where is the library on ubuntu 9.10 which contains the library for 'dlsym'? Thank you.

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  • Microsoft Robotics Studio in Ubuntu, with Wine ?

    - by Arkapravo
    I am using Ubuntu 9.10 and I am a bit of a robotics enthusiast. I have used KiKS (in MATLAB for simulating Khepera robots), MobotSim (in Windows, simulates a point like robot using a BASIC editor) and Player/Stage (with C/C++ on Ubuntu 9.04). My question, can MS Robotics Studio be installed in Ubuntu Linux using Wine (I am using 1.1.31) ? Has anyone done it ? Any other way to install MS Robotics Studio in Unix (Any flavour) ? Thanks for your reply !

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  • php (rar) i want to rar a folder using rar on Ubuntu (linux) by php (on dedi server) noob

    - by Steve
    hey guyz i want rar (not tar) my folder on my server by using php RAR RAR 3.93 Copyright (c) 1993-2010 Alexander Roshal 15 Mar 2010 Registered to my real name OS Ubuntu Release (Karmic) kernel linux 2.6.32.2-xxxx-grs-ipv4-32 Gnome 2.28.1 latest php an lighthttpd i have tried these things http://php.net/manual/en/function.escapeshellarg.php // may be wrong code http://php.net/manual/en/function.exec.php http://php.net/manual/en/function.shell-exec.php my command (working in ssh and nautilus script) rar a -m0 /where/file/will/saved/file_name.rar /location/ti/data/dir/datafolder php code $log=Shell_exec("rar a -m0 /where/file/will/saved/file_name.rar /location/ti/data/dir/datafolder"); echo $log; one method is left which i don't know how to use and its working on server that is by somefile_to_execute_command.sh i have to execute .sh file from php need to send some variables (command) and i tried this method can rar file with a script named RapidLeech but its rar from only its own files dir only :( but i want to do in different directories. Rapid Leech rar class http://paste2.org/p/791668 i m able run shell command with php (cp(copy),mv(move),ls(directory list),rm(remove aka delete)) but got failed to run rar i gives no output i also tried to given path rar and i used alot commands with php Shell_exec function and working like they work with ssh and i have tried almost 80 % method given on net and failed from last 3days i m over now plz help me i need php script file working plz reply if u have any info n code and experience about rar and this kinda :( problem i m 99% noob just used code mean search Google collect script make my own working thing (for personal use only) n now i m failed to rar folder and file :(( now plz provide me code plz don't talk in technical language because i m just reading my first php book (for dummies :D) mean noob and 0.1 plz help me as much u can thankx

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  • unable to get into windows 7 or ubuntu after system file back on a dual boot system

    - by John Jiang
    I installed ubuntu on my dell xps 9000 which originally has a window 7 installed. So after I did system file back up as told by windows 7 and restarted my computer, I received the following message right after restarting in the black screen: roughly like this: ubuntu grub error, " " symbol cannot be found. I was wondering how I can get access into windows 7 and uninstall ubuntu all together. I actually had the same booting problem after system backup before and the solution was to install two extra ubuntus but I'd prefer not to do that. I'd highly appreciate any help!

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  • OpenVPN - client-to-client traffic working in one direction but not the other

    - by user42055
    I have the following VPN configuration: +------------+ +------------+ +------------+ | outpost |----------------| kino |----------------| guchuko | +------------+ +------------+ +------------+ OS: FreeBSD 6.2 OS: Gentoo 2.6.32 OS: Gentoo 2.6.33.3 Keyname: client3 Keyname: server Keyname: client1 eth0: 10.0.1.254 eth0: 203.x.x.x eth0: 192.168.0.6 tun0: 192.168.150.18 tun0: 192.168.150.1 tun0: 192.168.150.10 P-t-P: 192.166.150.17 P-t-P: 192.168.150.2 P-t-P: 192.168.150.9 Kino is the server and has client-to-client enabled. All three machines have ip forwarding enabled, by this on the gentoo boxes: net.ipv4.conf.all.forwarding = 1 And this on the FreeBSD box: net.inet.ip.forwarding: 1 In the server's "ccd" directory is the following files: client1: iroute 192.168.0.0 255.255.255.0 client3: iroute 10.0.1.0 255.255.255.0 The server config has these routes configured: push "route 192.168.0.0 255.255.255.0" push "route 10.0.1.0 255.255.255.0" route 192.168.0.0 255.255.255.0 route 10.0.1.0 255.255.255.0 Kino's routing table looks like this: 192.168.150.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 10.0.1.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 192.168.0.0 192.168.150.2 255.255.255.0 UG 0 0 0 tun0 192.168.150.2 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 Outpost's like this: 192.168.150 192.168.150.17 UGS 0 17 tun0 192.168.0 192.168.150.17 UGS 0 2 tun0 192.168.150.17 192.168.150.18 UH 3 0 tun0 And Guchuko's like this: 192.168.150.0 192.168.150.9 255.255.255.0 UG 0 0 0 tun0 10.0.1.0 192.168.150.9 255.255.255.0 UG 0 0 0 tun0 192.168.150.9 0.0.0.0 255.255.255.255 UH 0 0 0 tun0 Now, the tests. Pings from Guchuko to Outpost's LAN IP work OK, as does the reverse - pings from Outpost to Guchuko's LAN IP. However... Pings from Outpost, to a machine on Guchuko's LAN work fine: .(( root@outpost )). (( 06:39 PM )) :: ~ :: # ping 192.168.0.3 PING 192.168.0.3 (192.168.0.3): 56 data bytes 64 bytes from 192.168.0.3: icmp_seq=0 ttl=63 time=462.641 ms 64 bytes from 192.168.0.3: icmp_seq=1 ttl=63 time=557.909 ms But a ping from Guchuko, to a machine on Outpost's LAN does not: .(( root@guchuko )). (( 06:43 PM )) :: ~ :: # ping 10.0.1.253 PING 10.0.1.253 (10.0.1.253) 56(84) bytes of data. --- 10.0.1.253 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2000ms Guchuko's tcpdump of tun0 shows: 18:46:27.716931 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 1, length 64 18:46:28.716715 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 2, length 64 18:46:29.716714 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 3, length 64 Outpost's tcpdump on tun0 shows: 18:44:00.333341 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 3, length 64 18:44:01.334073 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 4, length 64 18:44:02.331849 IP 192.168.150.10 > 10.0.1.253: ICMP echo request, id 63009, seq 5, length 64 So Outpost is receiving the ICMP request destined for the machine on it's subnet, but appears not be forwarding it. Outpost has gateway_enable="YES" in its rc.conf which correctly sets net.inet.ip.forwarding to 1 as mentioned earlier. As far as I know, that's all that's required to make a FreeBSD box forward packets between interfaces. Is there something else I could be forgetting ?

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  • Magento Installation stuck at configuration

    - by itsandy
    Hi Everyone, I am not sure what is going wrong when I am trying to install magento to my local ubuntu machine. I did all the steps mentionsed in the magento wiki. Everything goes well until I reach the point where I am here which is the magento config page. When I try and continue after entering the necessary details like host, database name and user name and submit it comes back to the same page. I checked for everything like db in my phomyadmin panel and it still gets stuck there. What is the possible reason for that. Thanks

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  • How do I set up derby in eclipse on Ubuntu?

    - by Everett
    The question basically says it all. I'm trying setup up JavaDB on my virtualbox running Ubuntu 9.10. I have the package downloaded and installed through the package manager, which I believe is the right to go about it. I have also installed the Eclipse's Data Platform Tools. I've been following this tutorial here: http://www.vogella.de/articles/EclipseDataToolsPlatform/article.html. I'm stuck at the driver definition step. When I select the driver template from the Name/Type tab and the jar file in the Jar List tab, the OK button is never enabled. At the top of the New Driver Definition dialog it says 'Unable to locate Jar/zip in the file system as specified by the driver definition: derby.jar.' I assume this is the problem. Any help or links to a better tutorial would be much appreciated.

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  • How do I create a Launcher in Ubuntu 9.1 that runs a shell script?

    - by mkelley33
    Here's my situation: New to Ubuntu (just nstalled 9.10 Karmic Koala 64 bit) Purpose: to easily run PyCharm without too much typing (ie. cd... ./pycharm.sh) Want to create desktop Launcher instead of terminal & typing (without resorting to the "Run in Terminal" option) Tried to create Launcher to executes .sh script in Document directory Right-clicked Desktop Create Launcher a. Type == Application; Browse [insert absolute path to .sh script]; no luck b. Type == Application in Terminal; Browse ...ditto I'm open to any other alternatives that involve as little typing as possible. I would like to just start Ubuntu, click Launcher icons, and have terminals spring to life, running the intended scripts. Crazy? No. Lazy? Probably. Productive? Hopefully :)

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  • Rails Installed But Not Working

    - by Luiz P
    Folks, Yesterday I installed Rails 3.2 on Ubuntu 12.10 and created a new project in order to check it. It was working OK. Today I tried to create a new project and got the message bellow (Portuguese version): O programa 'rails' pode ser encontrado nos seguintes pacotes: * rails * ruby-railties-3.2 Tente: sudo apt-get install <pacote selecionado> Something like: The program 'rails' could not be found in the follow packages: ... ... Try: sudo apt-get install <selected package> I run the command gem list and all the gems are listed, including Rails one. I tried to search on the web for a solution, but haven't found any. Thank you very much for your help. Luiz

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  • dig works but dig +trace <domain_name> not working

    - by anoopmathew
    In my local system i can't get the proper result of dig +trace , but dig works fine. I'm using Ubuntu 10.04 LTS version. I'll attach the result of dig and dig +trace along with this updates. dig +trace gmail.com ; << DiG 9.7.0-P1 << +trace gmail.com ;; global options: +cmd ;; Received 12 bytes from 4.2.2.4#53(4.2.2.4) in 291 ms dig gmail.com ; << DiG 9.7.0-P1 << gmail.com ;; global options: +cmd ;; Got answer: ;; -HEADER<<- opcode: QUERY, status: NOERROR, id: 59528 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;gmail.com. IN A ;; ANSWER SECTION: gmail.com. 49 IN A 74.125.236.118 gmail.com. 49 IN A 74.125.236.117 ;; Query time: 302 msec ;; SERVER: 4.2.2.4#53(4.2.2.4) ;; WHEN: Sat Oct 13 14:57:56 2012 ;; MSG SIZE rcvd: 59 Please anyone update a solution for this issue. I'm just worried about my issue.

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  • Caching Mysql database for better performance

    - by kobey
    Hi, I'm using Amazon cloud and I've performance issue since the HDD is not located on my machine. My database is small (~500MB) and I can afford to keep it all in my RAM. I do not want to keep queries in my RAM, i need all the tables there. How can i do it? Thanks, Koby P.S. I'm using ubuntu server...

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  • MYSQL not running on Ubuntu OS - Error 2002.

    - by mgj
    Hi, I am a novice to mysql DB. I am trying to run the MYSQL Server on Ubuntu 10.04. Through Synaptic Package Manager I am have installed the mysql version: mysql-client-5.1 I wonder that how was the database password set for the mysql-client software that I installed through the above way.It would be nice if you could enlighten me on this. When I tried running this database, I encountered the error given below: mohnish@mohnish-laptop:/var/lib$ mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) mohnish@mohnish-laptop:/var/lib$ I referred to a similar question posted by another user. I didn't find a solution through the proposed answers. For instance when I tried the solutions posted for the similar question I got the following: mohnish@mohnish-laptop:/var/lib$ service start mysqld start: unrecognized service mohnish@mohnish-laptop:/var/lib$ ps -u mysql ERROR: User name does not exist. ********* simple selection ********* ********* selection by list ********* -A all processes -C by command name -N negate selection -G by real group ID (supports names) -a all w/ tty except session leaders -U by real user ID (supports names) -d all except session leaders -g by session OR by effective group name -e all processes -p by process ID T all processes on this terminal -s processes in the sessions given a all w/ tty, including other users -t by tty g OBSOLETE -- DO NOT USE -u by effective user ID (supports names) r only running processes U processes for specified users x processes w/o controlling ttys t by tty *********** output format ********** *********** long options *********** -o,o user-defined -f full --Group --User --pid --cols --ppid -j,j job control s signal --group --user --sid --rows --info -O,O preloaded -o v virtual memory --cumulative --format --deselect -l,l long u user-oriented --sort --tty --forest --version -F extra full X registers --heading --no-heading --context ********* misc options ********* -V,V show version L list format codes f ASCII art forest -m,m,-L,-T,H threads S children in sum -y change -l format -M,Z security data c true command name -c scheduling class -w,w wide output n numeric WCHAN,UID -H process hierarchy mohnish@mohnish-laptop:/var/lib$ which mysql /usr/bin/mysql mohnish@mohnish-laptop:/var/lib$ mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) I even tried referring to http://forums.mysql.com/read.php?11,27769,84713#msg-84713 but couldn't find anything useful. Please let me know how I could tackle this error. Thank you very much..

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  • Launching applications on remote windows xp from ubuntu 10.04 machine

    - by Aniket Vibhute
    I have ubuntu 10.04 installed on my machine. I want to execute commands on remote windows xp machine ( I have username and password of admin account of remote machine ) so as to launch application like Internet Explorer, Notepad or some bat script. Is there any command line utility to do this via ubuntu? I tried rdesktop, winexe, ssh, telnet but they are not much of use. Can you please suggest some other way?

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  • PVM terminates after Adding Host

    - by Tyug
    On Ubuntu 9.10 using PVM 3.4.5-12 (the PVM package when you use apt-get) The program terminates after adding a host. laptop> pvm pvm> add bowtie-slave add bowtie-slave terminated laptop> Current Configuration only $PVM_RSH = bin/usr/ssh I can ssh perfectly fine into the slave without a password, and run commands on it. Any ideas? Thanks in advance! Here are the sample logs: Laptop log [t80040000] 02/11 10:23:32 laptop (127.0.1.1:xxxxx) LINUX 3.4.5 [t80040000] 02/11 10:23:32 ready Thu Feb 11 10:23:32 2010 [t80040000] 02/11 10:23:32 netoutput() sendto: errno=22 [t80040000] 02/11 10:23:32 em=0x2c24f0 [t80040000] 02/11 10:23:32 [49/à][6e/à][76/à][61/à][6c/à][69/à][64/à][20/à][61/à][72/à] [t80040000] 02/11 10:23:32 netoutput() sendto: Invalid argument [t80040000] 02/11 10:23:32 pvmbailout(0) bowtie-log [t80080000] 02/11 10:23:25 bowtie-slave (xxx.x.x.xxx:xxxxx) LINUX64 3.4.5 [t80080000] 02/11 10:23:25 ready Thu Feb 11 10:23:25 2010 [t80080000] 02/11 10:28:26 work() run = STARTUP, timed out waiting for master [t80080000] 02/11 10:28:26 pvmbailout(0)

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