Convert Amazon EC2 PEM files to PPK

So you just set up a keypair in Amazon EC2 and got a PEM file, Now how do you login to using Putty ?

How to login to Amazon EC2 using Putty

Open Puttygen, if you dont have puttygen, you can get it for download at http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

• 
  Now click Conversions > Import.


• Choose your PEM file that was downloaded from the Amazon EC2 dashboard


• Click on Save Private Key and name it something .ppk
  
  


• Voila, use your ppk to login through Putty to your Amazon EC2 Instance

Solve Failed to query Solr using '*:*': [Errno 13] Permission denied

This error is created mostly on a CentOs / similar linux operating systems with SELinux On.

By default SELinux does not allow you to listen on non standard http ports such as 8983 in which SOLR listens on. To fix this run the following command as root:

semanage port -a -t http_port_t -p tcp 8983

This adds the 8983 port to http list. This should solve the Permission denied message when querying SOLR.

Restart SOLR / Applications.

This should solve Failed to query Solr using '*:*': [Errno 13] Permission denied

Installing g++ on Amazon EC2 Small Instance

To install you have to run the following command:

sudo yum groupinstall "Development Tools"

Phew!

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