Server :: Good Links To Know More About OS Clustering In System?

Dec 1, 2010

Share good links to know more about OS clustering in Linux.

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Server :: Clustering With No PXE Boot?

Apr 17, 2011

I have some chassis with this motherboard [URL] that don't have PXE boot. What is the best way to cluster them?

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Networking :: Clustering RHEL 5.2 Server?

Mar 2, 2010

My current project environment setup is having a single server, running on RHEL 5.2, that is constantly receiving incoming data (video and text) over a periodic interval e.g. every 30 minutes. Initial in-house testing projected the server will be generally busy, so we decided to incorporate a second server for load balancing purposes. So now, server A and B will need to be clustered. Once that is done, incoming data will balance out between the two server (or at least that is what I will like to achieve. Note, I'm aware that at the switch side, I'll need to do some additional configuration and that part is covered).

I've been reading on Red Hat Cluster Suite and the Linux Virtual Server (LVS) seems the way to go. However, I noted that the LVS solution require at least a two-tier solution, and that would incur 3 additional servers instead of just 1. So here's my questions:- I looked around and probably know the answer, but I'm gonna ask anyway. Is there a one-tier solution for LVS i.e. have anyone tried or whether it's even feasible. From my reading, it don't seem so but just want another opinion. Is there any other way for me to do the clustering (for load-balancing) without LVS?

Sidenote: I'm currently looking at Ultra Monkey and will be trying out in a while. However, the project I'm doing would be rolled out to live site eventually, and my customer is kind of....particular. I'm just wondering if there's a software/application (that need to be purchased) and comes with support.

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Server :: Figure Out Ho To Setup EC2 Clustering?

Mar 16, 2010

I am trying to figure out ho to setup EC2 clustering. I am seeing heartbeat as an option. I need something that will monitor the state of a daemon, and not if a daemon is running. For example, say I want httpd to be high availability. Does heartbeat monitor if httpd is not in a hung state, or does it simply do a ps -e |grep httpd? So my question is, how does heartbeat work?

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Server :: Red Hat 5.4 Kickstart / Clustering And KVM Installation Failing

Mar 14, 2011

I added the "@clustering" and "@kvm" keywords to my ks.cfg file but during installation, an error about not being able to find either of these packages popped up and it wasn't installed.

I do see the Cluster and VT directories in my redhat_es5.4 directory along with the Server directory. The rest of the files install just fine.

In doing some net and forum searching, I find a reference to a base.repo file that lists the directories but I'm not sure if it's related to creating a yum repository or if not, should it have been created in the redhat_es5.4 directory.

While I've built kickstarts for several years and am comfortable with the file, this is the first time I'm working with rpms outside the main Server path.

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Software :: How To Install The Clustering Application On Server

May 12, 2010

Having issues installing Clustering Software on server: rhel-x86_64-as-4-cluster I am running the following kernel:

The server is up to date with updates, but I am having trouble installing the Clustering software and don�t know what to do now�
# uname -r


How can I get this installed ?

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CentOS 5 Server :: Web Server Clustering With Centos5.2

Mar 22, 2009

To clustering my web server so that it becomes Highly available. Its currently running php, apache and mysql with no redundancy in place. I want to be clustered so that if one node goes down then the second one will automatically take over. I have done that with HA in RHEL but I want to use centos clustering solution for this. Also how willl they share the web contents and mysql database among two nodes I have no idea. I have managed a iscsi target to store contents but it doesn't work as expected.

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Server :: Clustering Mail Servers (CentOS/Amazon EC2)?

Feb 23, 2011

I'm looking to set up a clustered mail server, I kind-of know how I'm going to do it but wanted to check if there was a better way. So we have 3 mail servers, running as EC2 instances on Amazon AWS. We were going to achieve clustering by giving all three a shared EBS storage device to store the mail. The mail would be received by any of the three servers (Via postfix) and could be retrieved from any of the three servers (via dovecot). For receiving mail (SMTP), the domains would have 3 MX records pointing to each of the servers but for sending and retrieving mail (SMTP and POP3/IMAP) the three servers would have one DNS A record with 3 IPs associated (I know when using this method for web-servers, the load gets distributed among the IPs under that record but I'm not sure if this will work for SMTP/POP3/IMAP).

What we want is to have 3 servers that share the load equaly but are completely redundant for all services (POP3, IMAP and SMTP). We also need to be able to scale upwards so if we need to add more servers we can do easily. Also the servers must be perfectly synchronized at all times.

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Server :: Looking For An Open Source Active Clustering Product?

Jul 12, 2010

I am looking for an open source active clustering product can you please advise me about the best clustering softwares on Linux?

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Ubuntu :: Links Browser Script - Automatically Fills In The Credentials On The Links Login Page?

Dec 6, 2010

At my Uni, we use a web-based login for our internet connections. Its based off of Cisco, and every Wednesday night every computer on campus must re-enter their credentials to use the network.

Normally on my several computers I simply pull up the Terminal, point links to using


And enter my credentials when Cisco redirects to the login page.

Literally, the process is


Then ENTER to accept the redirect, down arrow to skip over the logo image, USERNAME, ENTER, PASSWORD, ENTER, ENTER.

Naturally, this is EXTREMELY time consuming, as I have about 5 computers located around campus and must physically walk to the machines and login every single week.

My question is, How would I formulate a program that does the following;

1) checks for connectivity (i.e. is able to reach/resolve to the greater part of the internet) and

2) automatically fills in the credentials on the links login page?

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Programming :: Scripting : Change Markdown Links To Wikitext Links?

Feb 3, 2009

I have a personal wiki of notes, with now thousands of links in markdown format:

[link text](

but now that fckeditor is available for mediawiki (very beta), it has become much better to just stick with wikitext format. There are only a few conversions to do: tables, links, and bulleted lists. The lists are a fairly simple regex and fckeditor magically reformats the tables, so all I'm left with is the links. But I'm not a regex master. How do I reformat code...

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General :: Tar Ball A Directory Hierarchy With Soft Links In System?

May 4, 2010

Can you please tell me how can I tar ball/compress a directory hierarchy with soft links in Linux?

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General :: Create Hard Links Within A File System To A Directory?

Aug 1, 2010

I am trying to create hard links within a file system to a directory, but unable to do that. is there any limitation to create hard links to directories within file system ?

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General :: Links Of Websites From Where I Can Freely Download Game For System?

Jan 16, 2011

Can any one give me the links of web sites from where I can freely download game for Linux.

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Ubuntu :: Get Good System Turorial?

Nov 21, 2010

I'm new to Linux and really interested in learning more about it. Are they're any good tutorials on how linux works, or just unix commands?

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General :: Need Good System Magazines

Jan 30, 2011

I've been thinking about picking up a subscription to Linux Journal and maybe Linux Pro. Are there any other good Linux mags out there? Only other one I've read much of was Linux Format, which kinda felt like it was mostly just an anti-MS fanclub.

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Software :: Any Good Theme For System?

Dec 16, 2010

Are there any good theme for ubuntu? I want windows7 OS type them and also are there any windows manager exactly windows explorer for ubuntu?

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Ubuntu :: Want Good Games / Apps On System

Oct 27, 2010

I know theres loads of apps and games on Ubuntu, I was just wondering whats your selection of favorites?

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Ubuntu :: Good Games That Arr 100% System Compatable?

Nov 7, 2010

Getting tired of just staring at my web browser..

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General :: Good Institute For System Certification?

Mar 19, 2010

Can someone recommend me good institute for Linux certification in pune,India?

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General :: Good Forums About System Programing?

Jan 9, 2011

Does somebody recommend some good forums about linux programing?

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Software :: Need Good Cad Program That Works With System

Jul 22, 2010

What's a good cad program that works with Linux?
Is it possible to do any cad drawings on Linux?
I ve given up trying to run auto cad on Linux no matter how i try it just wont work properly and crashes and I lose what I have done.
Are there any other options apart from QCAD?

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Software :: Good System Recovery Live CD?

Jul 30, 2010

I personally use System Rescue CD, but I need something to recommend to newbies with gui menus to mount local hard drives and such. It doesn't need to have much other than that. I've been out of the loop for a while and don't know what is currently available and good.

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Ubuntu :: Good Text-To-Speech Programs On System?

Sep 22, 2010

Any good TEXT-TO-SPEECH programs on linux?

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General :: Is AIDE A Good File System Monitor?

Jun 21, 2011

I am in the process of looking at file integrity checkers. So far I have found AIDE.

1. What are the ups and downs of AIDE?

2. Is it pretty easy to use?

3. Is there any other open source tools that are better than AIDE?

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General :: Good Sites For Video Tutorials On System?

Apr 13, 2010

Sites providing video tutorials on linux which are free to download. I've got one site "". Here I can get different tutorials on opensource like scribus, gimp, C++,python etc.

Can anyone provide me any other good sites like this?

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Software :: Good Forum Application For Centos System?

Sep 5, 2010

Good forum server(application) for Centos5(Linux) Server

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Software :: Good RISK Game From Parker For System?

Aug 1, 2010

Anyone knows what could be the best RISK game from Parker for LINUX ?

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Software :: Add Fonts To System / Good Sites To Download It From?

Mar 1, 2010

How do I add them so they show up and I can use them in GIMP?

Also, what are some good sites to download fonts from?

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Software :: Good Paint Program On System Other Than Kolourpaint?

Jul 29, 2010

Is there any good paint program on Linux, besides kolourpaint which is KDE and thus brings an awful lot of baggage into non-KDE systems?

(This is mainly with my lubuntu-on-USB in mind. The 300MB for kolourpaint and all its dependencies is not acceptable when there's only 4GB for the whole OS)

I can't stand mtPaint, it behaves very unlike most applications and I'm unable to figure how to do even simple tasks like colour picking or resizing a selection. GIMP is good but it's complex and overkill for simple tasks. Anything else?

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