Tag Archives: Centos

Is CentOS Linux compatible with Red Hat 7

Is CentOS Linux compatible with Red Hat 7

After one oft the largest HFT operators in India sent me their tech list, they are using Red Hat Enterprise Linux 7 which sort of confirms my theory of what Linux distribution to go with. But the questions comes up:

Is CentOS Linux still compatible with RHEL 7

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http://www.eweek.com/enterprise-apps/slideshows/centos-7-comes-on-the-heels-of-red-hat-enterprise-linux-7.html

http://www.infoworld.com/article/2608433/linux/red-hat-stamps-its-influence-on-centos-7.html

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Great video on CentOS minimum Linux install step by step instructions as compared to CoreOS with Boot2Docker

Great video on CentOS minimum Linux install step by step instructions as compared to CoreOS with Boot2Docker

This may work no different than CoreOS

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This was also mentioned via Twitter

https://github.com/boot2docker/boot2docker

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Simple videos to get a CentOS Linux DHCP server talking to a Windows client with virtualization

Simple videos to get a CentOS Linux DHCP server talking to a Windows client with virtualization

OK. Forget that OpenBSD distribution Idea, let me work on my next fave Linux distro. This tutorial video is always the hardest part to get a Windows client talking to CentOS Linux server. It walks you through it so it ain’t to bad to get started to get both worlds talking to each other.

Not the best presenter but it gets the job done

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Meet my RHEL CentOS Linux Oracle VirtualBox Market Feed Big Data Virtual Machine for all open source C++HFT including FIX

Meet my RHEL CentOS Linux Oracle VirtualBox Market Feed Big Data Virtual Machine for all open source C++HFT including FIX

This will get exciting. I need a new VM for all latest C++ libraries, Redis, and so much more. Watch me where this goes!

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Youtube video on why I use Matlab Coder over R for my trading strategy for my CentOS Linux C++ HFT platform #matlab #hft

Youtube video on why I use Matlab Coder over R for my trading strategy for my CentOS Linux C++ HFT platform #matlab #hft

This is one of those important crossroads. I feel I need to make the switch back to Matlab from R.

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I may need to abandon Ubuntu Linux due to weird bugs over to CentOS or Debian #linux #ubuntu

I may need to abandon Ubuntu Linux due to weird bugs over to CentOS or Debian #linux #ubuntu

This is frustrating to get an NFS environment wiith Ubuntu 11.04. It appears there could be strange bugs in Ubuntu preventing from working. Nevertheless, I am moving everything something else to Debian or CentOS. I will report when I see this Beowulf cluster working.

Don’t ask about these bugs? It seems there is sloppiness going on the in Ubuntu camp as I don’t like wasting days to get something to work!

Update I was able to set a NFS client and server on my new Debian environment. Funny how stupid Ubuntu is getting. I will do a posting on this once completed!

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Mixed Ubuntu and CentOS Linux versions screw up this MongoDB source code build. Potential solutions?

Mixed Ubuntu and CentOS Linux versions screw up this MongoDB source code build. Potential solutions?

UPDATE: This is easiest solution which is get a clean install of Ubuntu 12.0.4 and just run ‘sudo apt-get install mongodb’. There goes my wasted day of all this other junk below.

 

Use the following links to build your MongoDB installation. I did CentOS Linux and then Ubuntu after some weird failure during the build.  This was a bitch to build as compared to other NOSQL options like Redis.
http://www.mongodb.org/display/DOCS/CentOS+and+Fedora+Packages
http://www.mongodb.org/display/DOCS/Quickstart+Unix
http://www.mongodb.org/display/DOCS/Tutorial
When doing ‘git tag –I’ of available versions, ensure to choose a release candidate like ‘…-rc1’ to ensure proper a compilation build. I would advise using the exact version listed which was 2.0.4. Also, ensure to install the latest Linux packages. For Ubuntu, do ‘apt-get upgrade’. There is a difference between the two:
=> apt-get update : Update is used to resynchronize the package index files from their sources via Internet.

=> apt-get upgrade : Upgrade is used to install the newest versions of all packages currently installed on the system

You may need to apt-get install pcapand wcap libraries  so do apt-get install libpcap-dev
NOTE: I have run into all kinds of build problems with Ubuntu 10.0.4 so I tried a current version of 12.
I did not have the patience to bother will older version of Ubuntu or CentOS with the weird problems I ran into below.
These errors included and possible solutions:
http://www.mongodb.org/display/DOCS/Building+Spider+Monkeyhttp://www.mongodb.org/display/DOCS/Building+Spider+Monkey

http://script.aculo.us/dist/
https://jira.mongodb.org/secure/a
ttachment/10270/build.log

https://jira.mongodb.org/browse/SERVER-1578

http://grokbase.com/t/gg/mongodb-user/123wh4rv61/compile-error-for-mongodb-version-r2-0-4

Best possible solution:
http://stackoverflow.com/questions/8741074/compiling-mongodb-r2-0-2-on-ubuntu-10-04-resulted-in-error

http://www.linuxquestions.org/questions/linux-software-2/install-libpcap-question-in-debian-235672/

http://stackoverflow.com/questions/8741074/compiling-mongodb-r2-0-2-on-ubuntu-10-04-resulted-in-error

https://jira.mongodb.org/browse/SERVER-5527
To run MongoDB with inserting and accessing data, do:
http://www.mongodb.org/display/DOCS/Tutorial

The above link appears to work ok once your MongoDB server is correctly install.
I also like this SQL chart of MongoDB commands verus something like Oracle
http://www.mongodb.org/display/DOCS/SQL+to+Mongo+Mapping+Chart

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So many thanks goes to powerful open source free software for CentOS Enterprise Linux, Java, R, RStudio, and Hadoop with Cloudera

So many thanks goes to powerful open source free software for CentOS Enterprise Linux, Java, R, RStudio, and Hadoop with Cloudera

Learn more her eon what I do

http://quantlabs.net/membership.htm

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Youtube video demo on how to install Hadoop with Cloudera CDH3 fast in CentOS Red Hat 6 Linux

Youtube video demo on how to install Hadoop with Cloudera CDH3 fast in CentOS Red Hat 6 Linux

Learn how to install it via Cloudera at:

https://ccp.cloudera.com/display/CDHDOC/Installing+CDH3+on+a+Single+Linux+Node+in+Pseudo-distributed+Mode

learn more how I proceed with this at:

http://quantlabs.net/membership.htm

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Youtube video demo: How to install free open source CentOS Linux, R, and RStudio for quant HFT algo strategy development

Youtube video demo: How to install free open source CentOS Linux, R, and RStudio for quant HFT algo strategy development

How to install R on CentOS Linux:

http://stackoverflow.com/questions/9468164/problems-installing-r-on-linux-centos-6-2

su -c ‘rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-6.noarch.rpm’

su -c ‘yum install foo’
from http://fedoraproject.org/wiki/EPEL/FAQ

yum install R

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