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• ft_stopword_file not picked up

  - by Alex Holsgrove

  I have a VPS server with a company called Webfusion. I want to remove some or all of the FULLTEXT stopwords because some specific words needs to be searchable with my DB content. I opened /etc/mysql/my.cnf and added the line ft_stopword_file="". I restarted the mysql service, ran a repair table and then tried my MATCH query with no success. I ran SHOW VARIABLES LIKE 'ft_%' and it simply shows (built-in) next to the stopword file. I am running WAMP on my workstation, and whilst I realise this isn't configured the same as a commercial VPS, the above method worked just fine. Couple someone please offer some guidance?

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• How can I change exim's DKIM and SPF for emails sent?

  - by 0pt1m1z3

  I've now spent 2 hours trying to figure out this issue and I am about to give up and go to bed. I've been having issues with Gmail rejecting emails from my VPS server because of false spam alerts (probably caused by lfd sending too many emails). So I changed my Exim config to send emails from a different IP (my VPS comes with 3) and that fixed the issue. I also enabled DKIM and SPF on my domains for added measure. But now, all my emails appear as ("From: Sender Name via server.domain1.com") where server.domain1.com is my VPS hostname. I previously had the same issue in Outlook and turning off "Set SMTP Sender: headers" solved that problem. But I believe adding the DKIM and SPF now makes Gmail add "via server.domain1.com" to my messages. How do I fix this? This is a typical header for a message (as it appears at gmail): Delivered-To: [email protected] Received: by 10.60.44.163 with SMTP id f3csp248622oem; Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Received: by 10.50.106.200 with SMTP id gw8mr452788igb.10.1333081398523; Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Return-Path: <[email protected]> Received: from domain2.com ([X.X.X.X]) by mx.google.com with ESMTPS id y1si810998igb.3.2012.03.29.21.23.18 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Received-SPF: pass (google.com: domain of [email protected] designates X.X.X.X as permitted sender) client-ip=X.X.X.X; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates X.X.X.X as permitted sender) [email protected]; dkim=pass [email protected] DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=server.domain1.com; s=default; h=Date:Message-Id:From:Content-type:MIME-Version:Subject:To; bh=wF8bBRgh01EYg4t5DAeVPv1Ps906UVIeRnQCb/HvSYw=; b=k/Pg7lnrO+Ud/z1mOTv+O/3DiJzzQgyBhfIizIaFHM8tF/eNJt5P2k+9yQB224sxYstZIWwVRBJmiqvcM1QhARv1HWqWma0crppZ3JOn+LRHANan634OBi+58SIRA+gu; Received: (Exim 4.77) id 1SDTVE-0005HA-9Y for [email protected]; Fri, 30 Mar 2012 00:31:56 -0400 To: [email protected] Subject: Password Reset Request MIME-Version: 1.0 Content-type: text/html; charset=iso-8859-1 From: Sender Name <[email protected]> Message-Id: <[email protected]> Date: Fri, 30 Mar 2012 00:31:56 -0400 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.domain1.com X-AntiAbuse: Original Domain - domain2.com X-AntiAbuse: Originator/Caller UID/GID - [507 504] / [47 12] X-AntiAbuse: Sender Address Domain - server.domain1.com

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• Disable IPv6 on Loopback address (Localhost, Computer name, ...)

  - by Greg Bray

  We tried installing a 3rd party software product on a new Windows 2008 R2 server and found that everything works except for accessing local services through loopback addresses such as localhost or the computer name (ex: VPS-Web which resolves to localhost). We are not using IPv6 and would like to disable it until the software is compatible. I tried using these instructions for disabling IPv6 on Windows 2008 R2 but it did not disable the protocol for localhost. Pinging localhost or VPS-Web will still return ::1: instead of 127.0.0.1. I can use ping localhost -4 to get the correct address, but IPv6 takes precedent over IPv4 so the 3rd party software only gets the IPv6 address.

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• How do I install and run Tomcat on port 80 as my only web server? (Rooted Ubuntu box)

  - by gav

  Hi All, tl;dr - I have a rooted linux box that I want to run tomcat on as a server (No Apache Web Server) how would you set this up avoiding common security pitfalls? I've written a Grails App that I want to run on a VPS I rent. The VPS has very little memory and I am using it for the sole purpose of running this application so I don't need the apache web server. This is my first venture into Server administration and I'm sure to fall into some well known traps. Should I use iptables to redirect requests from port 80 to 8080? Should I run tomcat as root or as it's own user? What configuration settings would be good for a low memory system expecting less than 10 concurrent users? Hopefully an easy one for you! Anyone who could link to a tutorial would be a personal hero destined for great things no doubt. Gav

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• ioncube not load after upgrading to php 5.4

  - by amir

  i am afraid that i broke somthing in my vps :/ i hope you can help me. i am on ubuntu-12.04-x86. and i moved to new vps so i tryied to upgrade the php to the news version from 5.3 to 5.4. anyway after installing i get this messages: fild loading /usr/lib/php5/20090626+lfs/ioncube_loader_lin_5.3.so /usr/php5/20090625+lfs/ioncube_loader_lin_5.3.so: undefined synbol: php_body_wri php 5.4.8-1~presise+1 (cli) (built(oct 29 2012) i need to mention that the server is working and php also working but when i do phpinfo there is no "with the ionCube PHP Loader v4.0.14, Copyright (c) 2002-2011, by ionCube Ltd." which was before :/ i installed with this guide:http://www.upubuntu.com/2012/03/how-to-upgrade-install-php-540-under.html i need to worry?

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• MySql calculate number of connections needed

  - by Udi I

  I am trying to figure my needs regarding web service hosting. After trying Azure I have realized that the default MySql they provide (through a third party) limits the account to 4 connections. You can then upgrade the account to 15, 30 or 40 connections (which is quite expensive). Their 15 connections plan is descirbed as: "Excellent choice for light test and staging apps that need a reliable MySQL database". I have 2 questions: if my application is a web service which needs to preform ~120k Queries a day (Normal/BELL distribution) and each query is ~150ms(duration)/~400ms(fetch), how many connection do I need? If instead of using cloud computing, I will choose a VPS, how many connections will I be able to handle on a 1GB 2 cores VPS? Thank you!

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• Mirroring svn repository

  - by cardy

  I have an svn repository and I'd like to have it duplicated over multiple machines for availability purpose. By now when my vps goes down, I'm unable to connect to repository and this is very annoying. Easiest (and expansive) solution is to setup two identical machine and make them work like clones. I'd like to know if there are any alternative (involving 2 machines). Ideally I would have two vps in different datacenters, so if one goes down I can rely on the other. Thanks. I need a mirror both for read and write not only for read. Svn Repos are berkley-db based

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• Ubuntu terminal questions

  - by Camran

  I am wondering about my VPS providers ubuntu terminal. Are all these terminals the same? I think they are so user-UN-friendly. I can't copy-paste into the terminal, when I try opening textfiles, I can't scroll up and down easily. I cant save easily. Nothing is easy... Is it always like this with Ubuntu? Is there any way to make it easier? I use windows but I login to my vps provider with login details and then simply click "terminal" to open the terminal. Please help me out here

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• vncviewer connection refused (61)

  - by coure2011

  I have a root access to VPS (centos 6). I have installed VNCServer using this guide line http://tournasdimitrios1.wordpress.com/2011/02/02/how-to-setup-vnc-server-on-centos-5-x-fedora-11/ Everything goes perfectly and server is running via termina. Now I am trying to connect to that server via vncviewer (mac os). but its giving me error Connection refused (61) I am providing only the IP address of the VPS, maybe I also needed port address? How to configure port on vncserver? or its something else?

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• How to backup a full Centos Server?

  - by benjisail

  Hi, I switched a few weeks ago from a dedicated server to a VPS. Now that everything is working well on the VPS I would like to shutdown the dedicated server and close my account with the hosting company. For peace of mind and in order to be more safe I would like to do a full backup of the server before stopping it. The best would be a backup that I could browse if I find that I need a something in the backup. What would be the best solution from command line? Thanks!!!

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• Serve my website from different server during downtime

  - by nfedyashev.mp

  I have a VPS server running in the cloud. Fully automated server image upgrade/downgrade(by RAM/HDD plans). The problem is that server upgrade/downgrade takes time and involves total unavailability during this period(up to 30 minutes). Goal: during this downtime server my website(http://mydomain.here) from different server with some message like "Under construction". How can I do this? -- mydomain.here is hosted on godaddy and uses its DNS(If I call it right). It's pointing with A-record to my VPS's IP address now. Change in these DNS settings will take more than 30minutes, so it's not an option. How can I find mode "dynamic" DNS? What should I learn?

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• Confused with DKIM, SPF and Exim Configs

  - by 0pt1m1z3

  I've now spent 2 hours trying to figure out this issue and I am about to give up and go to bed. I've been having issues with Gmail rejecting emails from my VPS server because of false spam alerts (probably caused by lfd sending too many emails). So I changed my Exim config to send emails from a different IP (my VPS comes with 3) and that fixed the issue. I also enabled DKIM and SPF on my domains for added measure. But now, all my emails appear as ("From: Sender Name via server.domain1.com") where server.domain1.com is my VPS hostname. I previously had the same issue in Outlook and turning off "Set SMTP Sender: headers" solved that problem. But I believe adding the DKIM and SPF now makes Gmail add "via server.domain1.com" to my messages. How do I fix this? This is a typical header for a message (as it appears at gmail): Delivered-To: [email protected] Received: by 10.60.44.163 with SMTP id f3csp248622oem; Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Received: by 10.50.106.200 with SMTP id gw8mr452788igb.10.1333081398523; Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Return-Path: <[email protected]> Received: from domain2.com ([X.X.X.X]) by mx.google.com with ESMTPS id y1si810998igb.3.2012.03.29.21.23.18 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 29 Mar 2012 21:23:18 -0700 (PDT) Received-SPF: pass (google.com: domain of [email protected] designates X.X.X.X as permitted sender) client-ip=X.X.X.X; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates X.X.X.X as permitted sender) [email protected]; dkim=pass [email protected] DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=server.domain1.com; s=default; h=Date:Message-Id:From:Content-type:MIME-Version:Subject:To; bh=wF8bBRgh01EYg4t5DAeVPv1Ps906UVIeRnQCb/HvSYw=; b=k/Pg7lnrO+Ud/z1mOTv+O/3DiJzzQgyBhfIizIaFHM8tF/eNJt5P2k+9yQB224sxYstZIWwVRBJmiqvcM1QhARv1HWqWma0crppZ3JOn+LRHANan634OBi+58SIRA+gu; Received: (Exim 4.77) id 1SDTVE-0005HA-9Y for [email protected]; Fri, 30 Mar 2012 00:31:56 -0400 To: [email protected] Subject: Password Reset Request MIME-Version: 1.0 Content-type: text/html; charset=iso-8859-1 From: Sender Name <[email protected]> Message-Id: <[email protected]> Date: Fri, 30 Mar 2012 00:31:56 -0400 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.domain1.com X-AntiAbuse: Original Domain - domain2.com X-AntiAbuse: Originator/Caller UID/GID - [507 504] / [47 12] X-AntiAbuse: Sender Address Domain - server.domain1.com

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• OpenVPN useradd error

  - by zfz

  I tried to install an OpenVPN access server in Centos 6 on a linode VPS. The installation is okay for my ubuntu 11.10 distro in another VPS. The installation error occours when adding the user "openvpn" in Centos. The error message is "useradd: canot open /etc/passwd" The detail of My "/etc/passwd" file: "-rw-r--r-- 1 root root 1194 Oct 9 00:33 /etc/passwd" I am not quite familiar with Centos, so how can I add the user "openvpn" in order to setup the VPN service? Thanks.

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• My ubuntu server is losing connectivity, require assistance troubleshooting

  - by Coderama

  I have two server monitoring tools that check the uptime of my Ubuntu 10.04.1 LTS server. Over the last month both of these tools have reported the following outages: Jan - 15mins: self recovery Jan - 5 mins: self recovery Feb - 15mins: I managed to be online when this happened and logged into my control panel to find that my server was shutdown. I manually restarted it only because I was online. I wonder if it would have restarted? I have contacted my VPS provider (webbynode) who could not see any any problems with their VPS infrastructure for the February outage. I have also checked the following log files to see if there are any anomalies that could be the cause of the outages; I am unable to see anything related to the server shutdown (Feb) in these logs: /var/log/auth.log /var/log/apache2/error.log /var/log/syslog /var/log/kern.log /var/log/boot /var/log/messages Could anyone suggest any other things I should look out for, such as additional system logs? I just added bootlogging through /etc/default/bootlogd

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• Varnish server in front of nginx server with multiple virtualhosts

  - by Garreth 00

  I have tried to search for a solution for this, but can't find any documentation/tips on my specific setup. My setup: Backendserver: ngnix: 2 different websites (2 top domains) in virtualenv, running gunicorn/python/django Backendserver hardware(VPS) 2gb ram, 8 CPU Databaseserver: postgresql - pg_bouncer Backendserver hardware (VPS) 1gb ram, 8 CPU Varnishserver: only running varnish Varnishserver hardware (VPS) 1gb ram, 8 CPU I'm trying to set up a varnish server to handle rare spike in traffic (20 000 unique req/s) The spike happens when a tv program mention one of the sites. What do I need to do, to make the varnish server cache both sites/domains on my backendserver? My /etc/varnish/default.vcl : backend django_backend { .host = "local.backendserver.com"; .port = "8080"; } My /usr/local/nginx/site-avaible/domain1.com upstream gunicorn_domain1 { server unix:/home/<USER>/.virtualenvs/<DOMAIN1>/<APP1>/run/gunicorn.sock fail_timeout=0; } server { listen 80; listen 8080; server_name domain1.com; rewrite ^ http://www.domains.com$request_uri? permanent; } server { listen 80 default_server; listen 8080; client_max_body_size 4G; server_name www.domain1.com; keepalive_timeout 5; # path for static files root /home/<USER>/<APP>-media/; location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; if (!-f $request_filename) { proxy_pass http://gunicorn_domain1; break; } } } My /usr/local/nginx/site-avaible/domain2.com upstream gunicorn_domain2 { server unix:/home/<USER>/.virtualenvs/<DOMAIN2>/<APP2>/run/gunicorn.sock fail_timeout=0; } server { listen 80; listen 8080; server_name domain2.com; rewrite ^ http://www.domains.com$request_uri? permanent; } server { listen 80; listen 8080; client_max_body_size 4G; server_name www.domain2.com; keepalive_timeout 5; # path for static files root /home/<USER>/<APP>-media/; location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; if (!-f $request_filename) { proxy_pass http://gunicorn_domain2; break; } } } Right now, If I try the Ip of the varnishserver I only get served domain1.com. Would everything be correct if I change the DNS of the two domain to point to the varnishserver, or is there extra setup before it would work? Question 2: Do I need a dedicated server for varnish, or could I just install varnish on my backendserver, or would the server run out of memory quick?

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• Set Valid IP On Vmware Vm's Help Please

  - by Shahin At

  I Have a VPS.And i on my vps installed vmware workstation version 9.now i have 3 valid ip's: XXX.152.193.66 XXX.152.193.101 XXX.152.193.103 Gateway: XXX.152.193.65 now tow ip's set in host and i want to 1 ip set on vm. network vm is bridge and set ip on vm but this ip from out of internal network not ping and in vm not ping to gateway. What can I do to solve this problem? my ip is unassigned and only set on vm and use bridge network mode.and gw,mask,dns is set.but not ping. i set this ip on host and without problems is worked, But I do not know why on vm not worked. my host OS Is Windows Server 2003 and firewall is off and RRAs(routing and remote access) For VPN service is Enable. Do not host or virtual machines to create a IP route?

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• HTTP redirects showing ip address

  - by DrKarl

  I have a domain name on 1&1 and a VPS on Linode. I noticed that my site was enclosed in a frameset which I didn't create. I checked nginx and jetty in the VPS but none of them created the frameset. Then I checked the domain control panel in 1&1 and saw that the redirection could be a frame redirect or an http redirect. I changed to http redirect and the frameset was gone, everything was fine except for the fact that in the url bar of the browser it changed to the ip address of the server instead of my domain url. How can I avoid the frameset and still have the proper url displayed instead of an IP?

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• Difference between key_buffers and recommendation

  - by Typeoneerror

  I'm looking to add a bit of memory to MySQL on a Linode VPS server on which I've got a small facebook (canvas app) PHP app using MySQL running. I'm not super familiar with MySQL optimization so I'm hoping to find a simple answer. I think I want to increase the key_buffer size (the default is 16M) to something like 32M to start, but I'm not sure if I need to tweak anything else as well. All I've done so far is increase the query_cache_size to 32M from 16M. There's also key_buffer under [mysqld] and key_buffer under [isamchk]. What are the difference between those two? If I have Linode 2048MB (http://www.linode.com) VPS, what would recommend I set the buffers to? I don't expect this site to have tons of visitors, but I'd like it to be as optimized as possible. Definitely way more heavy on the database access than PHP and very few HTTP requests.

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• Apache Web Server character encoding

  - by OBY

  I've recently transferred my webapp from my localhost (LH) to a VPS, and have had hebrew chars-encoding probs since. Whenever I send a request with a heb-char it results in "?????" saved to the DB. My LH config was tomcat6, MySQL, and centOS 6.2, opened to the web. In the VPS env I'm behind an Apache Web Server, and the rest is quite the same (though I haven't done anything to its installation). Please note I already have had this problem before, on my LH when the request was sent from IE/chrome (not FF!). The solution was to apply a filter on the the context and change the char-type to UTF-8. My webapp content char-encode is utf-8, MySql server set to utf8 using charset utf8;, and my centOS set to iw_IL.UTF8 using export LANG=iw_IL.UTF8. When I use locale the bash output seems to be set correctly. Any suggestions?

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• How to hide a program that is running on a virtual machine?

  - by Femto Trader

  Some softwares contain tests to see if they are running on a virtual machine. It's very unpleasant to see alert messages such as "Sorry, this application cannot run under a Virtual Machine." and have your software stopped! There is a lot of legal reasons to override such tests. Moreover such limitations are (most of the time) not written in User License Agreement. So... how to hide a program that is running on a virtual machine? I'm using a Virtual Private Server (VPS) with Hyper-V... I'm administrator of the Operating System (Windows 2003) installed on this VPS, not administrator of Hyper-V.

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• Manage a lot of open ssh sessions to servers with id's for hostname

  - by kimausloos

  Lately I'm working a lot with a few open ssh connections to multiple VPS servers. The hostnames of the servers all follow an ID approach and it's becoming very difficult to know on what machine I'm working with. I was wondering if there is a way to put a name I define somewhere as the title of the terminal. So I would, for example, associate IP 123.123.123.123 with webserver-stg. When opening the connection to the IP, webserver-stg would automaticaly be displayed as the name of the session. Of course I'm not able to change code on the VPS servers, so the solution should be client-side.

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• Java and Sendmail HELO requires domain address

  - by ealgestorm

  I am trying to set up emailing from a java web application hosted on a linux server (Cent OS) in apache. Sendmail is working fine from the command line as root on localhost but when trying to send emails from the java web app (also on the same server from localhost) the following java exception is thrown. 501 5.0.0 HELO requires domain address EDIT: I have read that some people have found this is due to an incorrect hosts entry currently the hosts file contains 127.0.0.1 Centos-VPS localhost.localdomain localhost and i'm not sure what the Centos-VPS bit at the start is for but this is a clients hosted server so don't really want to break stuff EDIT see the RFC is helpful ... 501 Syntax error in parameters or arguments Now I know what the problem is! (note the sarcasm people.)

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• Minimum requirements for running Tomcat+PostGIS

  - by argiropoulostauros

  Hello all Which are the minimum requirements for running Tomcat+PostGIS in a VPS?

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• How to use OpenVPN through a restrictive firewall?

  - by R.L. Stine

  I'm currently in the situation of attempting to setup OpenVPN on a personal VPS, for connection primarily through an overly restrictive firewall. All of the setups mentioned below work when used through a reasonably-firewalled connection. I have tried: OpenVPN running on the standard port OpenVPN running on port 443 (I start OpenVPN manually from the command line on the VPS and see that the server reports the connection being closed almost immediately, I assume this is a result of DPI on the firewall) STunnel running on port 443 to access OpenVPN and evade DPI. This is the most successful and allows a connection and internet access through the VPN for ~10-20 seconds, before the connection is forcibly closed. Is there anything else I can attempt?

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• Solr performance (tomcat) - High load

  - by Ward Loockx

  I'm relatively new to solr. I have a production site running on a VPS, but now I'm having serious load issues. I don't know where to start in order to get the load down... VPS specs (linode.com 512) 512 MB RAM 4 CPU (1x priority) Looks like my solr server (tomcat) is using a lot of CPU power You can find my solrconfig.xml on http://pastebin.com/qdfi8Med and my schema.xml on http://pastebin.com/rRusDP8b I've tried to increaese the cache size, but this didn't do anything on the load. You can see the stats page below. EDIT - Because the screenshot was unclear, I took smaller screenshots if what (I think) is important. Dismax query handler stats Caches stats Thanks for the help!

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