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• how to start with unmanaged vps?

  - by GaVrA

  Hello! I have a managed VPS, so whatever i need i can just ask my support, and they will do it for me. Now i plan to migrate to unmanaged VPS, so i need some guides, tips on how and where to start learning. I will have more specific questions once i start using it, but now i just need some general answers about this topic. Thanks. Update: Ok, i have decided to go for unmanaged VPS with cPanel. OS is CentOS-5. I contacted support only for some small(i think) things like creating new account in whm, some database importing, installing new software(rare)... What i will be using is apache, php, mysql. I think i will be able to cope with upgrading to new versions, so the thing that interests me the most is security i guess.

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• Giving a permission to write and read from /var/www

  - by mako

  I need that directory, as I want to put my sites there, so that apache can run them.. It is my virtual directory path.. and I am new to linux.. I just want to read and write from that directory.. How do I enable creating/saving/reading files/folders from that directory? What command do I give? I tried a few, but I think I need to be a super user to make the folder writtable readable. Note that I dont care about security.

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• How to setup Wordpress High Availability

  - by Ketam

  I have installed Galera Cluster on 3 cluster + 1 management. I wanted to make it like this, Server1: Home (www.domain.com) Server2: For BBpress/Forum (Forum Tab Menu will forward to forum.domain.com) Server3: BuddyPress Activity (Social Tab Menu will forward to social.domain.com) The purpose I am doing this is to distribute my resource and load balancing each other at same time. However, I have difficulty to setup Apache Load-Balancing/mod_proxy/clustering or any suitable to have high availability WordPress. Any best suggestion/solution to make high availability WordPress? Or how to? And another question is I tried to copy whole WordPress files & folders to Server2 connecting to local database (same data inside since it is already on Galera Cluster) but the page blank. Any advice? OS: Centos 6.2 Thanks in advanced.

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• reverse proxy http to tomcat

  - by John Q

  I've configured an Apache server with SSL and reverse proxy to a tomcat <VirtualHost domain.com:1443> [...] ProxyRequests Off ProxyPreserveHost On ProxyPass / http://local.com:8080/ ProxyPassReverse / http://local.com:8080 SSLEngine on [...] </VirtualHost> Tomcat is listening on 8080. The issue is that the app on tomcat is redirecting the request (HTTP 302 Moved temporairly). For example, if I use the URL https:// domain.com:1443/folder, reverse proxy launch the request http:// local.com:8080/folder, then, the app redirect to "/subfolder", so the final request is: http://domain.com:1443/folder/subfolder. Result is a 400 Bad request error code, as the request is HTTP on my SSL port. Do you know how I can fix this issue ? Thanks in advance.

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• Would NetBSD be a good choice for a web server?

  - by Alexander

  I've the choice of crafting a NetBSD image for a Xen VPS host, and was just wanting to play around as I like BSD and wished to use it for my general web hosting. I will be hosting a low-mid traffic website and maybe a few other simple services. Do you think NetBSD would be a sufficient choice, in terms of general performance of multiple system users and fair amount of traffic to Apache compared to what Linux could normally handle? I am concerned if I do start to really like it and keep it, I may be limiting myself if I am to move further with my web host and get more traffic (and maybe a lot of FTP access and user shell accounts) Ken

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• tcp handshake failed.client send rst (after syn-ack). can any one advice?

  - by user1495181

  architecture: 2 linux computer connected . on the second (192.168.1.1) one run apache server . I have a small program that take tcp packets from nfqueue change the dst ip to 192.168.1.1 in case that the dst ip is 192.168.1.2 (i know that i can do it with iptables , but my program will do more things in the future), fix check sum and return to the queue. if i call to telnet 192.168.1.1 , means that my program dosnt need to do any manipulation, handshake is OK. If i call to telnet 192.168.1.2 , my program change the dest. server get the syn and return syn-ack, but right after getting the syn-ack the client send rst. Can anyone advice? wireshark of the telnet tcpdump of the telenet above

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• starting Tomcat from Eclipse

  - by Krns

  I've just got eclipse for jee installed, and also downloaded apache 6.0.29 and added it in eclipse preferences. I followed up this tutorial, and all i got when i run it is 404 page with "The requested resource (/WebService/) is not available." description. I can't even access root folder of tomcat at localhost:8080. However, if i start tomcat through concole command, it's working fine and home page and examples are accessible. I'm a complete noob at tomcat and eclipse(been working with netbeans before), so i've got no idea what's wrong.

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• Route multiple subdomains on one external ip to multiple internal ips

  - by Abenil

  i have several subdomains(git.example.org, build.example.org, etc.), i have a router with an external ip and i have several virtual machines on a host computer with internal ips. Now i want to route git.example.org to internal ip 10.0.2.1 and build.example.org to internal ip 10.0.2.2. How can I do this? I setup in the Router that all traffic on port 80 is comming to my host computer with internal ip 10.0.2.3 and installed Squid on that computer. I added the following lines to the squid.conf file: cache_peer 10.0.2.1 parent 80 0 no-query originserver name=server_1 cache_peer_domain server_1 git.example.org cache_peer 10.0.2.2 parent 80 0 no-query originserver name=server_2 cache_peer_domain server_2 build.example.org But this is not working for me. :( Any help appreciated. Regards Nils Update: Here is the solution for Apache http://serverfault.com/a/273693

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• Can't open Paypal.com with Google Chrome

  - by grunwald2.0

  Currently I always get an error message (since one week!) trying to open the PayPal website with Google Chrome and I don't know why. FlashBlocker and AdBlockPlus are deactivated. v.20.0.1132.11 dev. Error message: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> **<p>Your browser sent a request that this server could not understand.<br /> Size of a request header field exceeds server limit.<br />** <pre> Cookie: Apache=10.190.8.170.1302997118916547; (cookie body removed due to privacy reasons) </pre> </p> </body></html>

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• How to make a server check it's own availability on the web?

  - by Javawag

  Hi all, Just a quick question – my server is running at my house serving www pages at www.javawag.com. The problem is that my home internet connection keeps dropping randomly - for about 10 mins at a time. This is only an intermittent problem and will go away soon I hope. However, my server doesn't recover properly - when the connection comes back, I can still access it at 192.168.0.8 (locally) without any issue, but at www.javawag.com there's no reply! (Just an aside - my home internet connection is dynamic ISP, the domain www.javawag.com points to javawag.dyndns.org which in turn points to my IP, updated every minute by ddclient on the server) Is there some way for the server to check if it's accessible from the outside world periodically, and if not restart Apache/reboot? Oh, and if I reboot the problem fixes itself also! Javawag

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• how do you uninstall an xampp installation that refuses to uninstall?

  - by Rick

  I downloaded xampp 1.7.3 (32) on windows 7 (64) in the programs(86) folder. both MySql and Apache refuse to run, they start and then instantly turn of. All ports are free. So I decide to uninstall however, when i run the uninstaller I receive the following error "Input Error: Can not find script file "C:\Program Files (x86)\xampp\uninst.temp\xampp_uninstall.vbs" XAMPP uninstall not OK Why is there spaces in the above line and does this matter "C:\Program Files (x86)" ? Can somebody please help me to understand the problem & uninstall xampp (or get it to work). It does not show in the control panel so I am stuck. All help is greatly appreciated. Thank you.

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• PHPMyAdmin - Error 500

  - by christian.thomas

  Have scoured the board but can't seem to find anything that's helped yet. If I go to http://localhost/ it's fine, if I go to http://localhost/phpmyadmin I get an 'Error 500: Internal Server Error' There doesn't seem to be anything that'll show up in the log files either. I've tried the RewriteLog as mentioned in PHPMyAdmin 500 Internal Server Error - But that doesn't really seem to help either, nothing gets written to it when I've got: # Logfiles ErrorLog /home/www/beta.**.com/logs/error.log CustomLog /home/www/beta.**.com/logs/access.log combined RewriteLog /home/www/beta.**.com/logs/rewrite.log RewriteLogLevel 9 I've tried uninstalling the package and re-installing it, but that's not helped either. Anyone got any other suggestions? I'm running Debian and Apache 2.

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• Using a AWS EC2 Server to host a busy website and I need to set up a loadbalancing

  - by Philip Isaacs

  My company has one EC2 server running on AWS with a MYSQL-DB and Apache on the same instance. This one instance hosts a website built on PHP Zend Framework. The site runs like crap when it starts to get busy with a lot of traffic so I'm looking for some advice on how to set up something that can handle the load better. My first question is should I move the mysql DB on to a separate EC2 instance or perhaps use AWS's RDS service which looks like a nice option. I'm sort of new to some of this but I'm guessing I'll need at least two EC2 instances for serving the website from and some sort of load balancing mechanism to distribute traffic. But maybe not, I'm not sure. Also what are some best practices for how to replicate the data so that they stay in sync on both instances? Okay I know these are a lot of questions. But I don't know where to start so any advice will help.

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• I'd like to archive files from Ubuntu to Windows between two computers on a shared home network

  - by Wabbitseason

  I have an old laptop running Ubuntu 9.10 which I use as a LAMP environment for web development, and I have a comfortable, powerful desktop computer with Windows 7 installed on it. These two are connected to a home router so both can access the internet. I have been able to set up Samba so I can mount my Apache home directory so it is accessible from Windows and is mapped as a network drive. What I'd like to do is access some Windows folders from Linux so I could automatically create backups (with cron scripts) of my work to physically different locations on the Windows box. Perhaps at a later time I'd set up a local Subversion repository but I'd love to keep backups of that on the Windows drives too. Using Ubuntu's Places/Network menu I can see my desktop but I'm unable to log in to that despite having created the corrent username and password on Windows. All I can get is the following error message: "Unable to mount location. Failed to retrieve share list from server." What could be misconfigurated?

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• DreamPress WordPress site Varnish Cache Error

  - by rhand

  Every now and then, often when I write a post on my Dreamhost DreamPress WordPress blog I get this Varnish related error: Error 503 Service Unavailable Service Unavailable Guru Meditation: XID: 180706672 Varnish cache server I did a related post here Varnish & ISPConfig under Debian give error 503 but they only tell me it could be an Apache Virtual Hosts issue and that the defined hosts should be checked. But that thread was on a different XID and just a comment, not an accepted solution. So perhaps this situation is different. Any ideas?

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• Why standard, virtual host Drupal 7 config causes 403 (Forbidden) in Apache2?

  - by drupality

  Virtual host declaration causing the problem (source): <VirtualHost *:80> ServerAdmin admin@d7 DocumentRoot /vagrant/d7 ServerName www.d7.local ServerAlias d7.local RewriteEngine On RewriteOptions inherit <Directory /vagrant/d7> Order allow,deny Allow from all </Directory> <Directory /vagrant> Order allow,deny Allow from all </Directory> </VirtualHost> error logs: [Mon Nov 04 12:23:11.947082 2013] [authz_core:error] [pid 2471] [client 10.0.2.2:58238] AH01630: client denied by server configuration: /vagrant/d7/ I have no idea why this isn't work... With above rule I have forbidden on drupal site and apache welcome page too (index.html) ls -ld /vagrant/d7 command output: drwxrwxrwx 1 vagrant vagrant 8192 Nov 4 10:05 /vagrant/d7

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• Tomcat / Railo stop responding with no error output

  - by andrewdixon

  This is going to sound very vague and I'm sure it will be voted down for not giving enough information however I don't really have any to give as you will see. We have an AWS instance running Amazon Linux, Apache, Tomcat and Railo and from time to time the Tomcat/Railo simply stops responding to requests and there are no errors output in the catalina.out file or any of the other log files in the Tomcat logs directory. When I issue the command to restart Tomcat/Railo the restart scripts sits there for a while then says that Tomcat has not responded so it has killed it off and then it starts up again and everything is fine until it happens again, anything from a couple of minutes to a couple of days later. I have done my best to check other logs on the server but have found no messages at all to indicate why Tomcat/Railo has given up and stopped responding. Can anyone suggest any reason why it might be doing this and / or any other log file(s) that we could check to see what is happening. Thanks. Andrew.

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• Debian, CentOS, Slackware, FreeBSD, OpenSolaris and Ubuntu Server Edition: Which one to use for an http web server?

  - by Ako

  I am going to install and administrate a virtual server for a small university. The server should run inside a virtual machine (VirtualBox OSE). It is only used in the university network and is invisible to the outside world. It should run Apache web server for PHP, MySQL and probably a mail server. I don't know which OS to use. Main criteria for choosing include ease of administration and updating, package management and performance. I wonder if anyone has any suggestions? And candidate OSs are: Debian, Ubuntu, CentOS, Slackware, FreeBSD, OpenSolaris. Add any other OS if you know any better alternatives.

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• Is SSL to the proxy good enough?

  - by Josh Smeaton

  We are currently trying to decide on how best to do SSL traffic in our environment. We have an externally facing Apache proxy server that is responsible for directing all traffic into our environment. It is also doing the SSL work for the majority of our servers. There are one or two IIS servers in particular that are doing their own SSL, but they are also behind the proxy. I'm wondering, is SSL to the proxy good enough? It would mean that traffic within our network is identifiable, but is that such a big deal?

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• How to stick my changes in httpd.conf on WHM/Cpanel/EasyApache

  - by Seiti

  I'm setting up a server and trying to configure the Apache. It only needs to work as a frontend to Tomcat. To do that I added some instructions to the VirtualHost directive, using mod_proxy: <VirtualHost *> ServerName myserver.domain.com ProxyRequests Off ProxyPass / http://myserver.domain.com:8080/ ProxyPassReverse / http://myserver.domain.com:8080/ </VirtualHost> It works fine, and if the need comes, I´ll use mod_jk. But, how do I do it the right way using easyapache, and stop it to always rewrite my changes.

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• Access my local server by hostname or servername

  - by S.M.09

  I have a local host server hosting a few applications in tomcat which comes through a apache proxy The client or User trying to access these application has to access them like 10.XXX.XXX.XX:8080/appName OR 10.XXX.XXX.XX/appName But I want to replace the ip address with soem other name related to my applications. But I cannot go and enter the host name of the server in each users /etc/host Nor do I want to be setting up DNS. Is there another way to do this. I am using ProxyPass XXX YYY to redirect all applications of tomcat to port 80

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• Is it possible to use Linux to route between my office (which uses IPSec) and home network?

  - by Sam

  First of all, apologies if this seems vague - I'm not an admin of anything more than a home network. I have a Ubuntu box sitting on my network which does various odd tasks for me - svn serving, some file serving, Apache/MySQL/PHP which is all raring to go. I've started a new job and at the moment I'm using ShrewSoft VPN software to establish a VPN link to the office as I need it. I'd prefer to have something always running on my home network just for convenience. My home modem/router doesn't support holding a VPN connection open. What I would like to do is set up my Linux box to hold open a VPN connection to my office and keep it open permanently, and then all applicable traffic for the office be routed through this box. I'm not sure if this is possible, or how to configure the routing on the desktop PCs (Windows 7). Would appreciate any guides, etc that could help me out.

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• SSL 3.0 warning in Chrome on Ubuntu 10.04LTS

  - by Leopd

  I'm running Apache2 with SSL on Ubuntu 10.04LTS. Chrome gives me this annoying warning when I inspect the certificate: The connection had to be retried using SSL 3.0. This typically means that the server is using very old software and may have other security issues. The relevant part of the apache config looks like: SSLEngine on SSLCertificateFile /etc/ssl/... SSLCertificateKeyFile /etc/ssl/... SSLCACertificateFile /etc/ssl/... SSLProtocol -all +SSLv3 +TLSv1 The last line I added to try to address this problem, but it's not working. Any advice on properly enabling TLS?

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• Centos OS resource footprint vs Ubuntu package refresh

  - by webworm

  I am trying to determine which distro to sink my teeth into. I am new to the Linux world and would like to choose a distro to focus on. I have read that CentOS uses less resources than Ubuntu, which is an issue for me since I am renting a VPS and resource cost is an issue. I have also read that Ubuntu has more up-to-date packages which is a concern for me as I want to use PHP and some packages that have a fair amount of dependencies. I am not using Linux as a desktop OS, rather just as a server for Apache, PHP, PERL, and Java development. What would be the best choice for a server OS? CentOS or Ubuntu? Are the resource requirements that different? Are the packages that different between the two? Thanks.

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• Live streaming external FLV files

  - by fandelost

  I want to broadcast live video from a playlist created by me, but the actual video files (.flv's) are stored in some external file hosting which I can't admin, but it's currently allowing the use of flash players for playing its contents (progressively). Which is the best solution for this? Can I use my current web server (Debian w/Apache) or should I use some specific server software? I've read some names such as Red5 and Wowza but I can't tell if those are solutions to my actual problem or how should I use them. Also, costs should be as low as possible for this project.

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