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  • Problem with UBUNTU 10.4 and ATI

    - by Maximilinao
    hola, ando teniendo un problema al instalar los drivers de la placa de video. Apenas termino de instalar los driver, reinicio mi sistema operativo, y al iniciar mi monitor queda apagado en modo ahorro de energia y UBUNTU no inicia. ¿Que puedo hacer?. Perdon por mi ingles. he usado el traductor de google

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  • PHP set timeout for script with system call, set_time_limit not working

    - by tehalive
    I have a command-line PHP script that runs a wget request using each member of an array with foreach. This wget request can sometimes take a long time so I want to be able to set a timeout for killing the script if it goes past 15 seconds for example. I have PHP safemode disabled and tried set_time_limit(15) early in the script, however it continues indefinitely. Update: Thanks to Dor for pointing out this is because set_time_limit() does not respect system() calls. So I was trying to find other ways to kill the script after 15 seconds of execution. However, I'm not sure if it's possible to check the time a script has been running while it's in the middle of a wget request at the same time (a do while loop did not work). Maybe fork a process with a timer and set it to kill the parent after a set amount of time? Thanks for any tips! Update: Below is my relevant code. $url is passed from the command-line and is an array of multiple URLs (sorry for not posting this initially): foreach( $url as $key => $value){ $wget = "wget -r -H -nd -l 999 $value"; system($wget); }

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  • WAN Optimization Resources

    - by Paul
    I'm looking for resources on writing software to do WAN optimization. I've googled this and searched SO, but there doesn't seem to be much around. The only things I've found are high-level articles in tech magazines, and info for network admins on how to make use of existing WAN optimization products. I'm looking for something on the techniques etc. used to write WAN optimization software. It seems to be a dark art, and the people who know how to do it, guard their secrets closely. Any suggestions?

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  • Killing HTML nodes from shell

    - by hendry
    Need a solution to kill nodes like <footer>foobar</footer> and <div class="nav"></div> from many several HTML files. I want to dump a site to disk without the menus and footers and what not. Ideally I would accomplish this task using basic unix tools like sed. Since it's not XML I can't use xmlstarlet. Could anyone please suggest recipes, so I can ideally have a script running kill-node.sh 'div class="toplinks"' *.html to prune the bits I don't want. Thank you,

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  • Simple, fast SQL queries for flat files.

    - by plinehan
    Does anyone know of any tools to provide simple, fast queries of flat files using a SQL-like declarative query language? I'd rather not pay the overhead of loading the file into a DB since the input data is typically thrown out almost immediately after the query is run. Consider the data file, "animals.txt": dog 15 cat 20 dog 10 cat 30 dog 5 cat 40 Suppose I want to extract the highest value for each unique animal. I would like to write something like: cat animals.txt | foo "select $1, max(convert($2 using decimal)) group by $1" I can get nearly the same result using sort: cat animals.txt | sort -t " " -k1,1 -k2,2nr And I can always drop into awk from there, but this all feels a bit awkward (couldn't resist) when a SQL-like language would seem to solve the problem so cleanly. I've considered writing a wrapper for SQLite that would automatically create a table based on the input data, and I've looked into using Hive in single-processor mode, but I can't help but feel this problem has been solved before. Am I missing something? Is this functionality already implemented by another standard tool? Halp!

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  • problem in allocating kernal memory by malloc(),

    - by basu sagar
    Is there any protection provided by kernel? Because when we tried to allocate memory using an malloc(), the kernel allowed to allocated around 124 MB of memory, and when we try to write into it, the kernel crashed. If there was protection of kernel memory area, this wouldn't have happened, i guess

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  • Sed does not work in expect

    - by Sharjeel Sayed
    I made this bash one-liner which I use to list Weblogic instances running along with their full paths.This works well when I run it from the shell. /usr/ucb/ps auwwx | grep weblogic | tr ' ' '\n' | grep security.policy | grep domain | awk -F'=' '{print $2}' | sed 's/weblogic.policy//' | sed 's/security\///' | sort I tried to incorporate this in an expect script send "echo Weblogic Processes: ; /usr/ucb/ps auwwx | grep weblogic | tr ' ' '\n' | grep security.policy | grep domain | awk -F'=' '{print \$2}' | sed 's/weblogic.policy//' | sed 's/security\///' | sort ; echo ; echo\r" but I got this error sed: -e expression #1, char 13: unknown option to `s' Please help

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  • Ideal Multi-Developer Lamp Stack?

    - by devians
    I would like to build an 'ideal' lamp development stack. Dual Server (Virtualised, ESX) Apache / PHP on one, Databases (MySQL, PgSQL, etc) on the other. User (Developer) Manageable mini environments, or instance. Each developer instance shares the top level config (available modules and default config etc) A developer should have control over their apache and php version for each project. A developer might be able to change minor settings, ie magicquotes on for legacy code. Each project would determine its database provider in its code The idea is that it is one administrate-able server that I can control, and provide globally configured things like APC, Memcached, XDebug etc. Then by moving into subsets for each project, i can allow my users to quickly control their environments for various projects. Essentially I'm proposing the typical system of a developer running their own stack on their own machine, but centralised. In this way I'd hope to avoid problems like Cross OS code problems, database inconsistencies, slightly different installs producing bugs etc. I'm happy to manage this in custom builds from source, but if at all possible it would be great to have a large portion of it managed with some sort of package management. We typically use CentOS, so yum? Has anyone ever built anything like this before? Is there something turnkey that is similar to what I have described? Are there any useful guides I should be reading in order to build something like this?

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  • Opening SSL URLs with Python

    - by RadiantHex
    Hi folks, I'm using mechanize to navigate pages, it works pretty well. Unfortunately I have a random error come up, by random I mean it occasionally appears. URLError at /test/ urlopen error [Errno 1] _ssl.c:1325: error:140943FC:SSL routines:SSL3_READ_BYTES:sslv3 alert bad record mac I really need help on this one :) any ideas?

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  • What's the output object file format of GNU assembler as?

    - by smwikipedia
    I have checked the assembler options of GNU assembler as and I didn't find an option to specify the output object file format. If I am using the following command as -o foobar.o foobar.s What object file format will I get? The as manual says that "The GNU as can be configured to produce several alternative object file formats." But how? How can I change it to a ELF format? Many thanks.

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  • MySQL Backup: Can I copying individual MyISAM table files to another server with different MySQL ver

    - by Komputer
    I means copying individual MyISAM table files is: (shut down mysqld and copy the .frm, .myd, and .myi files from one database folder to another) Question: (a) can I use this way to backup MySQL database folder from one server to another server with different MySQL version? (b) can this backup files moved to different OS? (example: debian to centos) thanks in advance.

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  • forkpty - socket

    - by Alexxx
    Hi, I'm trying to develop a simple "telnet/server" daemon which have to run a program on a new socket connection. This part working fine. But I have to associate my new process to a pty, because this process have some terminal capabilities (like a readline). The code I've developped is (where socketfd is the new socket file descriptor for the new input connection) : int masterfd, pid; const char *prgName = "..."; char *arguments[10] = ....; if ((pid = forkpty(&masterfd, NULL, NULL, NULL)) < 0) perror("FORK"); else if (pid) return pid; else { close(STDOUT_FILENO); dup2(socketfd, STDOUT_FILENO); close(STDIN_FILENO); dup2(socketfd, STDIN_FILENO); close(STDERR_FILENO); dup2(socketfd, STDERR_FILENO); if (execvp(prgName, arguments) < 0) { perror("execvp"); exit(2); } } With that code, the stdin / stdout / stderr file descriptor of my "prgName" are associated to the socket (when looking with ls -la /proc/PID/fd), and so, the terminal capabilities of this process doesn't work. A test with a connection via ssh/sshd on the remote device, and executing "localy" (under the ssh connection) prgName, show that the stdin/stdout/stderr fd of this process "prgName" are associated to a pty (and so the terminal capabilities of this process are working fine). What I am doing wrong? How to associate my socketfd with the pty (created by forkpty) ? Thank Alex

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  • Linking against multiple shared libraries that all linked against a common static library

    - by live2dream95
    Say you have 2 share libraries, lib1.so and lib2.so, that both have libcommon.a statically linked into them. Would the compiler complain about ambiguous symbol reference if you were to dynamically link both lib1.so and lib2.so? Or would be the compiler be smart enough to know libcommon symbols are shared between lib1 and lib2 and allow you to dynamically link against both?

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  • kill -9 + disable messages (standart output) from kill command

    - by yael
    hi all I write the following script this script enable timeout of 20 second if grep not find the relevant string in the file the script working well but the output from the script is like that: ./test: line 11: 30039: Killed how to disable this message from the kill command? how to tell kill command to ignore if process not exist? THX Yael !/bin/ksh ( sleep 20 ; [[ ! -z ps -ef | grep "qsRw -m1" | awk '{print $2}' ]] && kill -9 2/dev/null ps -ef | grep "qsRw -m1" | awk '{print $2}' ; sleep 1 ) & RESULT=$! print "the proccess:"$RESULT grep -qsRw -m1 "monitohhhhhhhr" /var if [[ $? -ne 0 ]] then print "kill "$RESULT kill -9 $RESULT fi print "ENDED" ./test the proccess:30038 ./test: line 11: 30039: Killed kill 3003

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  • How to capture any key in X?

    - by cz-david
    Hi, I am building an application for which I need to periodically get information about users keyboard. It is going to be user idle detection application. I have a fairly simple solution to periodically check if the mouse has been moved. But I can't figure any reasonable non root way to detect if the keyboard has been pressed. I was thinking about registering a hook every timer timeout and on any key press to unregister it. So if there is no key press for a long time then my program will know if the user is idle. Anyway, I couldn't find any global hooks for any key, including modifiers. Is there an easy way to do this? Or would someone have a better way to detect keyboard idleness? Thanks, David Polák

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  • How to use Linq in Mono?

    - by Jader Dias
    I can't make System.Linq (aka. Linq-to-objects) work. I am running MonoDevelop 2.2.1 in Ubuntu 10 Lucid Lynx with Mono 2.4.4. They advertise in their site that they implemented Linq, but I can't even find Enumerable.Range or .ToArray(). What's wrong?

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  • Embedding Ruby, calling a function from C

    - by ThePower
    Hi, I'm writing an app that calls ruby code from c. I am having a little difficulty and wondered if anyone could point me in the rite direction. I currently have in my C. #include ruby.h main() { ruby_init(); rb_require("myRubyFile"); rb_funcall(rb_module_new(), rb_intern("RubyFunction"), 0, NULL); } My ruby file is in the same directory as my c file and is called myRubyFile.rb and contains a definition of the function RubyFunction(). This is a cut down of what I actually want to do, just making it more readable for others. I just require some feedback as to whether this is the correct method to call ruby code from my c file. Regards

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  • msginit email address command line argument?

    - by C.W.Holeman II
    msginit prompts for an email address. Is there a way to tell msginit what email address to use without being prompted for it such as a command line argument? cat >hellogt.cxx <<EOF // hellogt.cxx #include <libintl.h> #include <locale.h> #include <iostream> int main (){ setlocale(LC_ALL, ""); bindtextdomain("hellogt", "./"); textdomain( "hellogt" ); std::cout << gettext("hello, world!") << std::endl; } EOF g++ -ohellogt hellogt.cxx xgettext -d hellogt -o hellogt.pot hellogt.cxx msginit -l es_MX -o spanish.po -i hellogt.pot

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