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  • Reducing memory for worker MPM in Apache

    - by ShyM
    I've moved from the prefork MPM to the worker MPM due to a process limit I was hitting on my VPS. However, memory usage increased after switching over (which is odd since the worker MPM is supposed to have a smaller memory footprint?). Most of them belong to php-cgi processes. Is there something I'm doing wrong? I have around 20 sites on it, each with a different fcgi wrapper script. Could that be a reason?

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  • Can't login to Debian (OpenVZ guest) server after setting up IPTables. How to Fix it?

    - by EApubs
    I have an OpenVZ VPS server with Debian. I just setup IPTables to allow the SSH port rebooted it. (Also set the rules to auto load on startup). Now I can't login to the server! How to fix this? Here are the rules : Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:325 DROP all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination

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  • Why would a process monitoring script use exit 1; on finding no problems?

    - by user568458
    General question: On a Linux (Centos) server, if a process monitoring script run by cron is set to close with exit 1; rather than exit 0; on finding that everything is okay and that no action is needed, is that a mistake? Or are there legitimate reasons for calling exit 1; instead of exit 0; on the "Everything's fine, no action needed" condition? exit 0; on finding no problems seems to me to be more appropriate. But maybe there's something I'm not aware of. For example, maybe there's something specific to Cron? Or maybe there's a convention in process monitoring scripts that 'failure' means 'this script failed to need to fix a problem' (rather than what I would expect which is that exit 1; would mean 'the process being monitored has failed'?) My specific case: I'm looking at a process monitoring script written by my web hosting company. By process monitoring script, I mean a script executed by Cron on a regular basis that checks if an important system process is running, and if it isn't running, takes actions such as mailing an administrator or restarting the process. Here's the (generalised) structure of their script, for a service running on port 8080 (in this case, Apache Tomcat): SERVICE=$(/usr/sbin/lsof -i tcp:8080 | wc -l); if [ $SERVICE != 0 ]; then exit 1; else #take action fi Seems simple enough even for someone with limited knowledge like me, except the exit 1; part seems odd. As I understand it, exit 0; closes a program and signifies to the parent that executed the program that everything is fine, exit n; where n0 and n<127 signifies that there has been some kind of error or problem. Here, their script seems to go against that rule - it calls exit 1; in the condition where everything is fine, and doesn't exit after taking remedial action in the problem condition. To me, this looks like a mistake - but my experience in this area is limited. Are there cases where calling exit 1; in the "Everything's fine, no action needed" condition is more appropriate than calling exit 0;? Or is it a mistake? Wider context is pretty simple. It's a Centos VPS, running Plesk. The script is being called by Cron via Plesk's "Scheduled tasks" Cron manager. There's no custom layer between Cron and this script that would respond in an unusual way to the exit call. It's a fairly average, almost out-of-the box Plesk-managed Centos VPS (in so far as there is such a thing). The process being monitored by this script is Apache Tomcat.

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  • Openmeetings: problem in running: "Address already in use "

    - by takpar
    hi, i am trying to run openmeetings in my CentOS vps. when i run $ ./red5.sh after a lot of lines it says: Bootstrap Complete and a few lines before it it says: Caused by: java.net.BindException: Address already in use at sun.nio.ch.Net.bind(Native Method) ... i have tried red5.sh with root and a nomral user. both gives error like that. any suggestion?

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  • How to figure out disks performance in Xen?

    - by cpt.Buggy
    So, I have a Dell R710 with PERC 6/i Integrated and 6 450Gb Seagate 15k SAS disks in RAID10, I have 30 Xen vps working on it. Now I need to deploy second server with same hardware for same tasks and I want to figure out maybe it's a good idea to use RAID5 instead of RAID10 because we have a lot of "free" memory on first server and not so much "free space". How do I find out disks performance on first server and find out could I move it to RAID5 without slowing down of whole system?

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  • Linux missing disk space

    - by cpt.Buggy
    I have KVM vps with strange disk usage: # df -h Filesystem Size Used Avail Use% Mounted on /dev/sdb 493G 1.2G 466G 1% / tmpfs 4.0G 0 4.0G 0% /dev/shm /dev/sda1 96M 41M 51M 45% /boot # du -sh / du: cannot access `/proc/1633/task/1633/fd/4': No such file or directory du: cannot access `/proc/1633/task/1633/fdinfo/4': No such file or directory du: cannot access `/proc/1633/fd/4': No such file or directory du: cannot access `/proc/1633/fdinfo/4': No such file or directory 1021M / How could it be? Where are ~20G of free space?

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  • I'm having a hard time choosing a hosting provider...

    - by matthewsteiner
    So, what hosts do you recommend? The problem is, I can't manage the server. I know there's options out there like slicehost and vps.net, but management doesn't come with those. All I need is a simple lamp stack that can easily scale. Stuff like cloud sites (rackspace) is too expensive (starts at $150/month). I only need something small for now. Suggestions?

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  • Ubuntu server users question

    - by Camran
    I have read this article: https://help.ubuntu.com/9.04/serverguide/C/user-management.html But it doesn't go into depth with the privileges section. I need to know how to set privileges of me (as a user). I am the only user, but I want access to everything, but I don't want to manage my VPS logged in as root. So I am creating a username. Anybody have a list of privileges, what they mean and how to set them? Thanks

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  • Cross-domain structure of the site

    - by Coreal
    I have a web site on which I wish to enable instant messaging via IRC. Now I am about to buy VPS to host the ircd on. So, I will have two servers: one is for the web site and the other is for the ircd. The question is how to use the web site's domain name for the ircd?

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  • Apache on Ubuntu very slow on inital calls, very fast afterwards

    - by papakost
    I own an Ubuntu 10 VPS Server with Apache 2 hosting a Magento website. The first hit to the site from any client takes about 15-20 sec, while the subsequent hits from the same client take 0-1 sec. I suppose it doesn't have to do with Magento caching, because this happens also when the first call is on a very light page and the next calls are on heavy ones. Does anyone have an idea on what is going wrong here?

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  • Separate the multiple ipv6 addresses

    - by Ruriko
    I have a vps that comes with 16 ipv6. I used one of the addresses and I tried testing the proxy at http://ipv6-test.com/ but it detected that is using the first ipv6 adddress instead of the certain ipv6 address that I provided. Example I used 2607:f358:0001:fed5:0022:772f:6ed3:7f3c as my proxy but it detected as 2607:f358:0001:fed5:0022:0000:db61:85e1 . Why is it doing that? The proxy server I am using is polipo

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  • On ubuntu 10.04, what is the recommended RoR stack?

    - by Kurucu
    I can't find clear answers / methods on this. As seen elsewhere, passenger and RoR under apache gobble up ram on my VPS. I've tried a multitude of stacks and implementations, currently resting on a sub optimal apache/cgi/rails configuration, which has swapped my ram usage for CPU time and slow response to requests. Can anyone recommend an efficient and preferably simple to administer method of setting up rails apps in ubuntu 10.04 server?

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  • Kill PHP process when connection is closed

    - by user838437
    I've posted the following question to SO, but thought there might be a server based solution. http://stackoverflow.com/questions/9053964/php-script-with-sleep-does-not-exit-on-connection-close I'm running an Ubuntu VPS to run this script, and I'm trying to get the script to die when the user closes the window/tab of his browser. There are several PHP based functions to see if the connection is still open, but none works (trust me, tested them all). Any creative ideas on how I can do this through the server maybe?

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  • Can't connect to the svn server

    - by nax
    I've a VPS with a svn server installed on it. When I try to connect to it I get a connection error like: Unable to connect to a repository at URL 'svn://nax.tolstoy.eu' I know is not my home connection because i have another svn server wokring. Anyway, the server is listening the port. tcp 0 0 :::3690 :::* LISTEN 6023/svnserve And I can't acces via telnet too. (Server doesn't have iptables, as much I can see) Any idea?

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  • Syslog message '^@' indicates server crash

    - by user1456214
    The php-cgi's died on a vps I look after and the only syslog entry is this followed by me restarting the VM: ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@ ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jun 13 22:00:34 VM syslogd 1.5.0#5ubuntu4: restart. Everything before appears to be fine, and there's nothing in the php log even though php timing out was the most obvious symptom (nginx was returning 504s), any ideas how to debug this? Thanks, Jon

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  • MySql backup (MySqldump questions)

    - by Camran
    I have a vps with ubuntu 9 server. I need to backup my MySql database. Can MySql make backups automatically? If so, how? If not, how should I do it then? The website is a classifieds website (PHP, MySql etc) Thanks

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  • HOw to make the user the owner of new files

    - by Master
    I have VPS with CentOS 5.4. This is production server. The problem is when my webiste installs some scripts from site , then the owner name is not written on the file and as user i can even change the file permissions. Is there any way that which ever script is writing file , the owner of home directory should the owner of all the files

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  • HOw to make the user the ownder of new files

    - by Master
    I have VPS with CentOS 5.4. This is production server. The problem is when my webiste installs some scripts from site , then the owner name is not written on the file and as user i can even change the file permissions. Is there any way that which ever script is writing file , the owner of home directory should the owner of all the files

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  • Map wont show rigth in Joomla

    - by user1653126
    I have the following code of a map using api google, I have tested the code in several html editor and its work perfectly, but when i upload in my web page doesn’t work. The map appears all zoomed in some random point in the ocean. I create an article in Joomla 1.5.20, paste the code. Its shows right in the preview but not in the web page. I disable filtering and use none editor and still won’t work. Thanks for the help. <!DOCTYPE html> <html> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <style type="text/css"> html { height: 100% } body { height: 100%; margin: 0; padding: 0 } #map_canvas { height: 100% } </style> <script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?key=AIzaSyBInlv7FuwtKGhzBP0oISDoB2Iu79HNrPU&sensor=false"> </script> <script type="text/javascript"> var map; // lets define some vars to make things easier later var kml = { a: { name: "Productor", url: "https://maps.google.hn/maps/ms?authuser=0&vps=2&hl=es&ie=UTF8&msa=0&output=kml&msid=200984447026903306654.0004c934a224eca7c3ad4" }, b: { name: "A&S", url: "https://maps.google.hn/maps/ms?ie=UTF8&authuser=0&msa=0&output=kml&msid=200984447026903306654.0004c94bac74cf2304c71" } // keep adding more if ye like }; // initialize our goo function initializeMap() { var options = { center: new google.maps.LatLng(13.324182,-87.080071), zoom: 9, mapTypeId: google.maps.MapTypeId.TERRAIN } map = new google.maps.Map(document.getElementById("map_canvas"), options); var ctaLayer = new google.maps.KmlLayer('https://maps.google.hn/maps/ms?authuser=0&vps=5&hl=es&ie=UTF8&oe=UTF8&msa=0&output=kml&msid=200984447026903306654.0004c94bc3bce6f638aa1'); ctaLayer.setMap(map); var ctaLayer = new google.maps.KmlLayer('https://maps.google.hn/maps/ms?authuser=0&vps=2&ie=UTF8&msa=0&output=kml&msid=200984447026903306654.0004c94ec7e838242b67d'); ctaLayer.setMap(map); createTogglers(); }; google.maps.event.addDomListener(window, 'load', initializeMap); // the important function... kml[id].xxxxx refers back to the top function toggleKML(checked, id) { if (checked) { var layer = new google.maps.KmlLayer(kml[id].url, { preserveViewport: true, suppressInfoWindows: true }); google.maps.event.addListener(layer, 'click', function(kmlEvent) { var text = kmlEvent.featureData.description; showInContentWindow(text); }); function showInContentWindow(text) { var sidediv = document.getElementById('content_window'); sidediv.innerHTML = text; } // store kml as obj kml[id].obj = layer; kml[id].obj.setMap(map); } else { kml[id].obj.setMap(null); delete kml[id].obj; } }; // create the controls dynamically because it's easier, really function createTogglers() { var html = "<form><ul>"; for (var prop in kml) { html += "<li id=\"selector-" + prop + "\"><input type='checkbox' id='" + prop + "'" + " onclick='highlight(this,\"selector-" + prop + "\"); toggleKML(this.checked, this.id)' \/>" + kml[prop].name + "<\/li>"; } html += "<li class='control'><a href='#' onclick='removeAll();return false;'>" + "Limpiar el Mapa<\/a><\/li>" + "<\/ul><\/form>"; document.getElementById("toggle_box").innerHTML = html; }; // easy way to remove all objects function removeAll() { for (var prop in kml) { if (kml[prop].obj) { kml[prop].obj.setMap(null); delete kml[prop].obj; } } }; // Append Class on Select function highlight(box, listitem) { var selected = 'selected'; var normal = 'normal'; document.getElementById(listitem).className = (box.checked ? selected: normal); }; </script> <style type="text/css"> .selected { font-weight: bold; } </style> </head> <body> <div id="map_canvas" style="width: 80%; height: 400px; float:left"></div> <div id="toggle_box" style="position: absolute; top: 100px; right: 640px; padding: 10px; background: #fff; z-index: 5; "></div> <div id="content_window" style="width:10%; height:10%; float:left"></div> </body> </html>

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  • Checkbox in a Microsoft Report (rdlc) table

    - by VanOrman
    I'm a newcomer to using Microsoft Reporting (RDLC) and I'm trying to display a table with a checkbox inside of it. The data I have is stored in bit fashion: I want this data to display on the report like this: I can get the data to display in a normal table without issue, but when I do, the bit values are formatted as "true" or "false". Does anyone know of a way to do this? I have googled around and found reference to other people with the same issue but no solutions. I am using a Report Viewer control to display the report in an ASP.NET website written in C#.

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