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  • How to call a program and exit from the shell (the caller) when program is active?

    - by Jack
    I want to run a program with GUI, by typing into konsole: foo args … and exit from the shell (that's the caller) when the program (foo) is active. How do I this? Is there a Linux/Unix built-in command/program to do it? I'm not a shell-man, really. I know that it's possible by writing a small program in C or C++ (any other programming language with small I/O interface on POSIX) programming language with the fork() and one-of exec*() function family. It may take some time; I'll do it only if there is no native solution. Sorry for my bad English; it's not my native language. Also, not sure on tags, please edit for me, if I'm wrong. If it matters, I'm using OpenSUSE 10.x.

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  • Is there a system monitoring tool that lets me write complex queries against the data?

    - by benhsu
    I am looking for a system stat collection tool that will let me write queries against the data collected. I am planning to answer questions like: what is the average load, over the last 30 days, on this machine between 9AM and 5PM, as opposed to at night what was the average disk io on these 10 machines yesterday what was the average daytime memory usage on these 10 machines last week, as opposed to 2 weeks ago Has anyone done this with, say, collectd or graphite?

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  • Are there any torrent clients that run as a service?

    - by snorfys
    I turn off all of my computers at night except for my server. I'd like to be able to have my torrent downloads run on my server, which won't be logged in, so I'm wondering if there are any clients that can run as a service. I'm ideally looking for one that can be passed a path to a .torrent file and will begin downloading it (I'll write the program that will interact with it).

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  • XDMCP is slow any ideas? (looking for alternative remote desktops)

    - by peteri
    I've been used to using RDP on Windows to remote to machines, and I've got an asus eee 701 which I want to use to do some *nix programming on. While the eee is a lovely little machine the screen and keyboard are a little small to use for lots of programming. I've tried using Xming (the free version) to remote login into the eee from my desktop using XDMCP (or even using a ssh session as a straight X11 server and no desktop on the eee) the whole thing seems seriously slow over wifi the initial desktop takes at least 5 seconds to paint (might even be 10 seconds I haven't actually timed it). So my real question is what do other folks use for remote control with a GUI for their *nix boxes? I am finding it hard to believe the performance is so bad over a wifi network (It makes the Mac IIs I used to use a college in 1988 seem fast) or is this just a problem with Xming and using say the Cygwin X11 server would be better.

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  • Default setting for dual monitors (using Win+P)

    - by Tomek
    I have two displays (one monitor and one TV) connected to my card via DVI. I switch between them with Win+P (when I'm using XBMC I set "only projector"). Most of the time, I use it during late hours, so I just turn off the PC (with XBMC's option "shutdown") and go to sleep. All fine, but on the next day my display is changed (to "only projector"). Bottom line is - how can I set my Windows 7 to have "only monitor" each time system boots?

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  • windows weekday and day of month don't match - calendar fail

    - by steini
    This computer came to my shop for just a simple Windows tuneup, so after doing all my tweaks, I noticed I was getting an error when trying to synchronize with the time server. It wasn't until I was about to give up that I noticed in the calendar that it's one weekday late. Here's a screenshot. As you can see, the day today, Friday - January 7th is a Thursday in the calendar. How is this possible?

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  • Python: how to calculate data received and send between two ipaddresses and ports [closed]

    - by ramdaz
    I guess it's socket programming. But I have never done socket programming expect for running the tutorial examples while learning Python. I need some more ideas to implement this. What I specifically need is to run a monitoring program of a server which will poll or listen to traffic being exchange from different IPs across different popular ports. For example, how do I get data received and sent through port 80 of 192.168.1.10 and 192.168.1.1 ( which is the gateway). I checked out a number of ready made tools like MRTG, Bwmon, Ntop etc but since we are looking at doing some specific pattern studies, we need to do data capturing within the program. Idea is to monitor some popular ports and do a study of network traffic across some periods and compare them with some other data. We would like to figure a way to do all this with Python....

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  • Will resetting the computer account in AD(2003) break the shares?

    - by Thoreau
    Had a power outage last night, still cleaning up from that. I have a file server that doesn't know it's part of the domain (getting the error: windows cannot connect to the domain either because the domain controller is down). I read that "resetting" the machine account the bring it back into the domain will do the trick. Since this is the file server for the entire office, I would like to be sure that I won't bork the umpteen number of shares on this server. Thanks!

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  • My VPS ubuntu server is very slow

    - by askmike
    I just installed a frech copy of Ubuntu 12.04 on my vps because my old installation was very slow, unfortunately this did not fix the problem. With slow I mean requests for my PHP websites take a long time, very slow (30 sec per request) to slow (3+ sec per request). When it's really bad SSH is also laggish. The websites are: askmike.org (pretty standard Wordpress) mvr.me (own PHP) slow? very slow: Here is a picture of loading a clean install of wordpress slow: here is a picture of loading a small PHP based website the vps The VPS has 256mb ram and an 25GB hdd. Besides serving the 2 small websites it isn't doing anything AFAIK. What have I installed Clean Ubuntu server 12.04 LAMP stack few things like git and nodejs (not using both) ossec (because I thought my server was getting hammered) munin What I already tried / done I installed munin so that I could watch io speed and such. The problem is that I don't know where to look for in the munin report. I checked logs and don't see anything strange (although I don't really know where to look for besides strange / repetitive errors and GET requests). I configured Apache MPM to: <IfModule mpm_prefork_module> StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxClients 40 MaxRequestsPerChild 0 </IfModule> (apache is using prefork, the default) Stats I copied the munin report as it appeared at 4:50 last night to a site hosted on a shared webhost. Note that tonight my mysql crashed somewhere after 1:00 (which is a new problem altogether), so therefor the graph for last night might look strange. Can anyone help me get my VPS up to normal speed? EDIT: Thanks for the replies. The VPS is 10 bucks a month and is from directvps.nl (Dutch host and I'm also dutch). I did two speed tests for disk IO: $ dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync 1073741824 bytes (1.1 GB) copied, 23.1506 s, 46.4 MB/s $ dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync 1073741824 bytes (1.1 GB) copied, 39.3796 s, 27.3 MB/s Anyway: how can I prove to my VPS host that it is to slow? I can understand a server being busy slowing a website down. But 5-30 sec loadtime for a normal PHP webpage?

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  • Computer hanged in the middle of bios flashing process

    - by Stalker
    I have a laptop: Toshiba Satellite c660-17j, today I decided to update BIOS. I've downloaded bios updater from manufacturer's web site, and in the middle of flashing process computer hanged. I was waiting more than 30 minutes, but nothing was changed on the screen, i've tryed to PRESS MORE BUTTONS, but there were no reactions, so i've turned it off by removing battery (all other methods failed, even pressing power button for ~10 secs). After that computer can't start. I understand, that there's MESS in BIOS chip, and it's possible to re-flash it with hardware programmer, but I don't have it. I remember, that on some PCs (even on my eeepc) there was possibility to re-flash bios by inserting usb flash-disk (with .dat file on it, which contained BIOS), and power on PC, while holding some keys combination, then PC was switching to BIOS programming mode and re-flashed BIOS, after that it was possible to boot up normaly. Is there a way to recover computer without hardware programming BIOS chip? p.s. sorry for my english.

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  • How to prevent a Windows 7 PC from sleeping when CPU usage is over X%?

    - by MaxVT
    I often leave the PC running into the night to process video files, so it shouldn't sleep while it's working but it would be nice if it went into sleep when it's done. During the export the CPU is always above a set %, and when idle it's typically in the single digits. Is there some tool or setting that would prevent the PC from going to sleep as long as the CPU usage (let's say averaged over one minute) stays above a specified limit?

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  • Manage Large E-Book Archive

    - by Cnkt
    I have a very large e-book archive (approx. 1TB) including various file formats eg. PDF, DJVU, MOBI and EPUB. I put them in different folders by subject eg. Engineering, Programming etc. But after many years, things are going crazy. The programming folder itself is 220GB and file names are cryptic. Some filenames are well defined like: 236659889_Final_Report_of_2012_Climate_Change_Conference.pdf but some filenames are just ISBN numbers or just download.pdf. I need an application for organizing and searching my e-books. I already tried Calibre, Mendeley and Debenu. But all these apps try to import files first and I dont have any spare 1+ TB for the apps import folder. Is there any good Windows application for just indexing filenames and contents of ebooks without importing them?

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  • Linux periodically "losing" ability to connect to server via SSH?

    - by gct
    I know this isn't exactly a programming question, but it popped up in my use of git for programming projects at least. I've got a web server that I use to host my git repos on, but my ubuntu box seems to "lose" the ability to connect to it via SSH. I'll get a "connection refused" error when I try to ssh or use git. Rebooting my local machine will fix the problem, but only temporarily. I can still connect to the web interface just fine, and the problem manifests with other servers as well. I've been working around it by pulling my changes over to my laptop and pushing from there, but that's sub-optimal as you can imagine. Has anyone seen something like this? I'd be tempted to say it's some kind of IP caching problem, but I can't connect even using the IP address of the server directly... Running Ubuntu 9.04

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  • Windows 8 on HP Laptop crashes when waking up from sleep

    - by Chris
    I always put it to sleep at night, but when I try and turn it on I hit the keyboard to activate it and a Windows screen pops up saying and error has occured. It collects data then reboots and offers to send an error report. Note this only appears to happen when I'm at home and it's hooked up to 2 monitors and 3-4 USB devices. When it's not connected to everything it looks like sleep actually works. HP DV7 XG300AV

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  • Does using Apache Basic Auth affect yum installations?

    - by MJB
    I don't have further information yet, but I am going to be troubleshooting this in the morning and I wanted to get a head-start. Is there any reason that a yum install (that worked fine yesterday) would fail after I set up basic authentication in Apache last night? I have searched with google and SF for almost an hour and can't find anything relevant.

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  • How do I cache RSS feeds in order not to miss entries on client side?

    - by Wakusei
    I'm using a client side RSS reader and turn on my PC at night. But some RSS feeds publish only a limited number of entries and old entries are removed from the feed. So sometimes I can miss entries. In order to avoid that, I want to cache feeds on some web service. Is there something like it? Although I know server side readers like Google Reader solve this problem, I still like client side readers.

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  • Stop windows resuming from hibernation to install automatic updates

    - by swref
    I always hibernate my work (Windows 7, x64) laptop when leaving for the night. Sometimes when I come in again in the morning, the laptop is powered up and there's a message telling me that new updates have been installed. (I've changed the registry so automatic updates don't force a reboot.) I'm happy to have Windows apply updates automatically, but I don't want it to resume from hibernation to do so. How can I stop this behaviour so I'm not wasting electricity?

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  • Why is iTunes using so much data?

    - by George
    I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's iTunes. I don't use it for downloading/streaming music (other than podcasts of which I definitely don't have 2GB of new ones a day) or movies. What is iTunes doing? This is on a late 2009 MacBook running Lion 10.7.5 with iTunes version 10.7

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  • Sound has stopped working after upgrading to Windows 8

    - by Max
    I upgraded my (fairly new, about 2 months old) computer to Windows 8 last night, and now the sound has stopped working across the entire machine. I have checked using multiple programs (iTunes, YouTube, World of Warcraft, etc) and multiple output devices (speakers and headset), checked the soundcard drivers (Asus Xonar DG 5.1), checked the volume mixer to ensure I wasn't just having a brainfart and had the sound muted, but nothing's working. Does anyone have any advice on what could be causing this? Thanks Max

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  • Site down, SSH and FTP work fine

    - by Euskadi
    I cannot access my site through my web browser, using either the domain name or IP address (which also pings fine). My site was working last night when I went to bed, so I can't think what might have done it. I have tried restarting apache to no avail. update: I've noticed that http://[IP Address]/phpymyadmin works but [domain name]/phpmyadmin does not, and the same happens for webmin (https://[IP]:1000). Could this be a problem with BIND?

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  • "When firefox starts" setting does not last after a reboot

    - by user3990
    I have set the "when firefox starts" and "home page" values, but when I reboot the computer (or more accurately, when I restart the computer as it has been crashing frequently of late), those values get reset to some default value which I don't want. If I close Firefox then reopen, the correct values appear. How I do store the values over reboots? The values are when firefox starts: show a blank page home page: about:blank I'm still using Windows XP so there's no problem about directory permissions.

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  • Enum.HasFlag method in C# 4.0

    - by Jalpesh P. Vadgama
    Enums in dot net programming is a great facility and we all used it to increase code readability. In earlier version of .NET framework we don’t have any method anything that will check whether a value is assigned to it or not. In C# 4.0 we have new static method called HasFlag which will check that particular value is assigned or not. Let’s take an example for that. First I have created a enum called PaymentType which could have two values Credit Card or Debit Card. Just like following. public enum PaymentType { DebitCard=1, CreditCard=2 } Now We are going to assigned one of the value to this enum instance and then with the help of HasFlag method we are going to check whether particular value is assigned to enum or not like following. protected void Page_Load(object sender, EventArgs e) { PaymentType paymentType = PaymentType.CreditCard; if (paymentType.HasFlag(PaymentType.DebitCard)) { Response.Write("Process Debit Card"); } if (paymentType.HasFlag(PaymentType.CreditCard)) { Response.Write("Process Credit Card"); } } Now Let’s check out in browser as following. As expected it will print process Credit Card as we have assigned that value to enum. That’s it It’s so simple and cool. Stay tuned for more.. Happy Programming.. Technorati Tags: Enum,C#4.0,ASP.NET 4.0

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  • DevDays ‘00 The Netherlands day #1

    - by erwin21
    First day of DevDays 2010, I was looking forward to DevDays to see all the new things like VS2010, .NET4.0, MVC2. The lineup for this year is again better than the year before, there are 100+ session of all kind of topics like Cloud, Database, Mobile, SharePoint, User experience, Visual Studio, Web. The first session of the day was a keynote by Anders Hejlsberg he talked about the history and future of programming languages. He gave his view about trends and influences in programming languages today and in the future. The second talk that i followed was from the famous Scott Hanselman, he talked about the basics of ASP.NET MVC 2, although it was a 300 level session, it was more like a level 100 session, but it was mentioned by Scott at the beginning. Although it was interesting to see all the basic things about MVC like the controllers, actions, routes, views, models etc. After the lunch the third talk for me was about moving ASP.NET webform applications to MVC from Fritz Onion. In this session he changed an example webform application part by part to a MVC application. He gave some interesting tips and tricks and showed how to solve some issues that occur while converting. Next and the fourth talk was about the difference between LINQ to SQL and  the ADO.NET  Entity Framework from Kurt Claeys. He gave a good understanding about this two options, the demos where in LINQ to SQL and the Entity Framework, the goal was to get a good understanding when and where to use both options. The last talk about this day was also from Scott Hanselman, he goes deeper into the features of ASP.NET MVC 2 and gave some interesting tips, the ninja black belt tips. He gave some tips about the tooling, the new MVC 2 html helper methods, other view engines (like NHaml, spark),T4 templating. With this tips we can be more productive and create web applications better and faster. It was a long and interesting day, I am looking forward to day #2.

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