Hardware :: Good Hardware Load Balancer That Is Easy To Setup ?

Jan 27, 2010

Anyone know of a good hardware load balancer that is easy to setup? 100mbps.

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Server :: Setup Master / Master Mysql In HA Setup Without Use Of Load Balancer Provided By Host?

Mar 31, 2010

I have a load balancer with 2 web servers behind it. The web servers rsync with cloud storage to update their apache directories 1 time every hour. Apache is just running php pages that pull/push data to a DB so they dont need to be updated that often. However I need to figure out how to implement a Master/Master MySQL setup to have my web servers point to for the PHP stuff. I need to implement it without having a single point of failure. The Load balancers are useless for failover as they only detect availability based on Ping request. So putting a master/master setup behind a Load Balancer is out. what is the best way to setup the master/master mysql in a HA setup without the use of a load balancer provided by the host?

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Networking :: Load Balancer Haproxy ?

Jun 17, 2010

I am using haproxy for the first time.I downloaded the latest version 1.4.7 and then unpacked it.then opened the terminal and wrote the command

After which an executable haproxy file was created which I copied to /usr/local/sbin. then i wrote $sudo make install. then I make a configuration file in /etc/haproxy.cfg which is as follows

But it's not working it is various kind of errors intially it was showing "cannot bind to socket" so tried changing the port number but didn't help. I also used command like $sudo sysctl net.ipv4.ip_nonlocal_bind=1 But didn't help.

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Networking :: Load Balancer With Direct Routing - LVS-DIR

Jul 16, 2010

I am working on a load balancing project. The type of routing I am implementing is direct routing (LVS-DIR).

The following is a script that sets up the Linux Virtual Server (LVS) or the load balancer:

On both, the LVS and Real Server 1, the firewalls (iptables) are not running.

A few questions I have are:
1) On the LVS, is apache supposed to be running?
2) If so, what would be the ServerName for apache on the LVS?
3) What would be the ServerName for apache on the real server1, is it the server real IP or the VIP?

When I try to access the web content on real server1 in a browser on the LVS, I get Failed to Connect. A connection to the server cannot be established.

The load balancer has two NICS, eth0 and eth1. The real servers will connect to the load balancer via eth1, and the client will connect via eth0.

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Networking :: Intermittent Internet Connection After Setting Up Load Balancer ?

Feb 25, 2011

I have set up one of my linux box as link load balancer for two ADSL connection. After deployment, I have found out that instead of being fast, it has become slow. What I have observed that my request get out to internet but comes back intermittently. Is this a standard scenario ?

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Networking :: Squid Proxy With Multi Wan Links And Load Balancer

Mar 1, 2010

My netowrk interface:

My iptable T1:

http traffic not follow the iptables. sometime via eth1 or eth2

After squid.conf added "tcp_outgoing_address wan1's gateway" it worked correctly

Why? what squid do?

The http traffic:

Why iptables can't not control the traffic

I want creat the tables T2 =>for load balancer

How to make squid route follow this table

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General :: Configure Load Balancer To Create A 4 Server Web Farm

Feb 8, 2011

How to configure load balancer to create a 4 server web farm.

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Server :: High-Availability HTTP Load Balancer With HAProxy & Heartbeat On RHEL 5.4

Oct 15, 2010

I am trying to setup a High-Availability HTTP Load Balancer With HAProxy & Heartbeat using the below links.

I have all RHEL 5.4 servers hosted on VMWare.

[url]
[url]

This is the scenario, as given in the links as wells as my setup.

Load Balancer 1

Load Balancer 2

Web Server 1

Web Server 2

I have followed all the steps mentioned in the links religiously except the 2.2 here, in which it is asking to configure the vhosts. I could not really understand , what is to be placed in /etc/httpd/conf.d/vhosts.conf file and in which Web Server.

Due to this step only, I think I am failing in Failover test given in Point 4.1 here. I am able to open the webpage by [url] which gives the content of Web Server 1 (http1.example.com). But, when I try to shutdown the http service (to check failover), it does not shows the contents of Web Server 2 (http2.example.com)

Although, I am able to succeed in Failover Test 4.2, in which shared IP 192.168.0.120 switches when I try to start/stop the any of the Load Balancers.

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Networking :: Load Balancer - Ssh Sessions From A Single Head Node To Multiple Slave Nodes ?

Apr 7, 2010

My requirement is to route ssh sessions from a single head node to multiple slave nodes. So what i want is, for a client there is just one point of entry (master/head node) to ssh into, it evaluates the load on the slave nodes connected on to internal network and routes the ssh session, kind of a ssh load balancer. Do you have any idea what open source solution i can apply for my problem?

I have tried using LVS piranha, it works well for http and https load balancing but not for ssh load balancing.

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General :: Good Distro Version Which Easy For Bioinformatics Software Installaion?

Feb 16, 2010

I want to know which linux distro version is good and easy for installing bioinformatics software installation...

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OpenSUSE Install :: Good / Easy Way To Clone Opensuse 11.2 That Will Work?

Feb 17, 2010

I installed opensuse 11.2 64-bit edition. I installed all of the software I wanted.I now want to clone the installation to 6 other workstations that are 100% identical to the first.I used clonezilla to create the image, but all of the new workstations will not boot. This is due to the fact of the fstab being 100% cloned and other boot volume problems.Does anyone know of a good, easy way to clone opensuse 11.2 that will work?

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Slackware :: Good / Easy-to-use Ebook Cataloging - Indexing App To Use In Slackware?

Jun 27, 2010

Which cataloging app would you recommend? I have ebooks in pdf, chm, epub etc. Currently testing tellico. Tags fetching and auto opening the book would be a bonus.

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OpenSUSE Network :: Easy-LTSP Will Not Setup?

Feb 4, 2010

Just loaded Open SUSE EDU L I F E 11.2.2 on a Server and like what I see. The install went well and everything came up fine. I like the look and feel of this distro. The GUI features are impressive. Internet connects via eth1 . Sound, CD/DVD works and plays ok/ , grapics all working. I have two NIC cards installed.I am preparing (learning , testing, exploring) with a number of Servers that I want to take to schools in Africa.One of the key components that I need to get up and working is the LTSP. I was delighted to see that this version includes EASY-LTSP with a KIWI component. [SUSE KIWI-LTSP] So I printed out the LTSP/Quick start/Easy-LTSP (Guide) and tried to set up LTSP on my server.I went to KIWI/Prebuild in the Easy-LTSP presentation page.A box popped up with this info:

Prebuild Images:
IP 10.0.0.254
Interface eth0

[code]....

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General :: Need Distro Easy To Setup And Install

Feb 28, 2010

I have this ancient Dell Dimension V333 with a Pentium II 333 MHz and 320MB RAM that my family needs for web browsing, word processing, etc. What I need is a distro that is easy to setup and install and easy to use because they have only ever used windows (and a little ubuntu).

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Debian :: Setup A Good Firewall For Dummies?

Apr 5, 2011

I am running squeeze 6 on amd64 i like to know if there is guide how to setup a good firewall for dummies like me

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Ubuntu :: Good Replacement For Windows Journal - To Be Able To Save And Load The Notes?

Jun 28, 2010

When I was using Windows, I would take notes in class on Windows Journal with my tablet. Now that Ubuntu 10.10 supports all my hardware out of the box,I'm planning on using that, but I'm looking for a good replacement for Windows Journal. I don't need compatibility with Windows, but I do need to be able to save and load the notes. Handwriting recognition isn't needed or really wanted, I just use it to draw graphs, formulas, and musical notation for various classes.I love Tomboy, if there's a version that supports touch, I'd love it, but really any app that allows me to draw sometimes and type sometimes and easily switch between the two.

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Red Hat / Fedora :: Good Free/open Source HTTP Server Which Can Be Setup On 9?

May 11, 2010

A good free/open source HTTP Server which can be setup on Linux Fedora 9? If there is a good instruction manual for the installation.

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Networking :: Create A WAN Balancer On Centos Or Fedora?

May 10, 2010

Is there a way we can create a WAN Balancer on Centos or Fedora?

If yes what are the essentials hardware requirements to achieve the same?

And also let me know if there is any reference URL that I can go through?

I have heard about Untangle as mentioned in the below URL but want to find out if it can be achived on CentOS or fedora.

URL: [url]

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Ubuntu Servers :: 10.04 32-bit - How To Setup Load Balancing

Aug 3, 2010

I have a 10.04 32-bit virtual ubuntu server. I am trying to figure out how to setup load balancing. Here is how I planned out to do it, I need direction for what software I should use.

--Internet(1.2.3.4)
--Router
---Load Balancing Server (192.168.1.30), port 80, public as in port forwarded Load balancer sends traffic to either web server
---Web Server 1 (192.168.1.100)
---Web Server 2 (192.168.1.101)

I heard I should use rsync to keep the files concurrent, at this point rsync is the least of my worries. I need to know what load balancer I should use I have tried and failed with crossroads(xr), and balance. I can't seem to find a modern tutorial for either system. I looked at linux virtual server but that is like 5 years ahead of my current knowledge.

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Ubuntu Servers :: Setup An FTP Load Balancing System With Squid?

May 31, 2011

I'm a newbie on Ubuntu, I have a problem with squid proxy. I'd like to configure a system, include:

- a server is named ProxyServer that is installed Squid proxy.
- three servers, are named FTPServer01, FTPServer02, FTPServer03. each server is installed vsftpd.
- Clients are installed Filezilla to up/download resource.

All servers are managed by IP address. When a client request a resource, client connect to ProxyServer, this ProxyServer will switch to one of Ftp servers. I do not know how to configure the squid's config file to setup them.

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Ubuntu :: Setup Ventrilo Server - Load Automatically On System Boot

Jul 19, 2010

I am trying to setup a ventrilo server. I want it to load the server automatically on system boot so it is running at all times. I have downloaded the server files and can manually start it, but I do not know where/how to make it start automatically.

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Ubuntu Servers :: MySQL - Setup An Active / Active Load Balanced And High Available?

Mar 11, 2011

how to setup an Active/Active Load Balanced and High Available (If one of the nodes is down the system still runs) MySQL cluster. I have found quite a few howto's but I have some things unclear in my mind. I found a few solutions like this one: [URL] or this: [URK] Those are using two or four MySQL nodes, two Load Balancers to avoid a single point of failure but only one MySQL cluster management server. What happens if the MySQL cluster management fails?

I have also found a "MySQL Master-Master Circular Replication" technique but from what I read, with this option there is a chance that conflicts will arise if node A and node B both insert an auto-incrementing key on the same table.

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Fedora Installation :: F15 Upgrade - Cold Boot Error "Your System Last Boot Fail Or Post Interrupted Please Enter Setup To Load Default And Reboot"

Jun 30, 2011

I just upgraded to F15 and it went well. But at the next and each subsequent cold boot the BIOS reports "Your system last boot fail or post interrupted Please enter setup to load default and reboot". The board is an asus P5N-D. I press F1 to blow past the error and all is well until the next cold boot. Restarts are fine, no errors at all.

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Fedora :: GUI Log Reader - Any Easy Way To Use

Mar 25, 2010

Is there an easy to use log reader, without needing to be root. My typing is goofy and doing su and vi to read a log is getting old.
Using 2.6.31.12-174.2.22.fc12.x86_64

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Fedora :: Is There Easy Method To 'su' In GUI?

Apr 26, 2010

I want to edit an .ini file for Qmc2.I find qmc2.ini with the browse folder option.I open it with Gedit and make my changes (rom path)but then I cannot save the file. Obviously I can use terminal, something like "su - Gedit /etc/qmc2/qmc2.ini"but what if I don't want to? Can I just use the GUI with su privilages?

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General :: Easy Way Of Demonizing In 5.4

Mar 30, 2010

I know there is a program called upstart that can make it easy to make small daemons. I can't get this program to configure on CentOS. I get all sort of errors concerning pkg-congfig, libnih, and dbus. I am working on a node.ja application and this is a pain to start and stop all the time, so I want to create a deamon for this which makes it easy to start and stop.

[Code]....

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Programming :: Easy Way Into Stereoscopic 3D

Nov 22, 2010

I wanna get into the world of stereoscopic 3D and I was wondering are there any easy and straightforward solutions. Do I need specific hardware to view the results of my work? I heard that there are screens with which you don't need goggles but that there are problems with that too..

I might start doing something like 3 dimensional charts for example that I could actually see in 3D. I would definitely stay away from modeling characters like in 3D shooters.

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Software :: Easy Way To Upgrade VIM 6.3 To 7.2?

May 10, 2010

I was wondering if there's an easy way to upgrade VIM 6.3 to 7.2? I have CentOS 4.7 and wanted to upgrade my current vim to 7.2 to support other functions that we do. Unfortunately I am running into some conflicts/ dependency errors (i.e. glibc etc) and I am not so sure on how to resolve.

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Slackware :: Easy Way To Update 12 To 12.2?

Jan 26, 2010

I currently have a VPS(virtual private server) that runs Slackware 12. The image was made way back in 2007, and obviously it hasn't been updated.The version is VERY minimal, it doesn't even have all the packages from A, but I can get any I want and install as I wish.Is there an easy way to update 12 to 12.2? Going to 13 is probably out of the question without a clean install over a network and doing it remotely, which is probably beyond my capabilities.I can't mess with the kernel unfortunately, but I can install practically any packages.

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Fedora Networking :: Easy Way To See What AP Im Connected To?

Feb 20, 2009

Is there a easy way to see what AP im connected to? I know what SSID im on but i need to find out the AP name.IN windows you can, But i cant figure out how in fedora.. It just gives me the normalbasic IP and SSID name in Network manager.Is there also a good program that can visualise what is nearby and what strength.Im working with some problems on my AP's at the mo and need to find out what one im authing to and what im not.

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