Today one of our production machine (in Amazon EC2) was down and I couldn’t bring-up the instance due to unavailability of SSH in PORT 22, connection was refused and I had no clue what to do, after sometime I was able to bring-up the instance – (ok short and sweet). Though I got it working [...]
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[SOLUTION] – Linux – SSH Connection Refused due to non-existence of /dev/urandom
Posted by Rakesh Sankar on December 13, 2011
http://rakesh.sankar-b.com/2011/12/13/solution-ssh-connection-refused-port-22-dev-urandom/
[resizefs] – Amazon EBS Volume Size Mismatch b/w AWS Console & device attached in Linux
Few days (a month) back I had faced a strange (amateur) problem in Linux with Amazon EBS volume. For some reason I had to increase the volume size say double the size of current volume attached to an instance. As a normal (not an “advance” user of Linux) I did the following steps: Dismounted the [...]
Posted by Rakesh Sankar on July 21, 2011
http://rakesh.sankar-b.com/2011/07/21/resizefs-amazon-ebs-volume-size-mismatch-aws-console-device-in-linux/
Amazon EBS VOLUME – Attach/Detach – Mount/UMount – device is busy [SOLUTION]
I always want to share some of the quick-tip like the one below. Recently when I was working with Amazon Cloud for one of our client I faced a problem when umount (dismount) a volume (EBS – Elastic Block Storage) (OR) detaching from an EC2 instance. I could not dismount the volume, whenever I try to dismount, [...]
Posted by Rakesh Sankar on October 23, 2010
http://rakesh.sankar-b.com/2010/10/23/ebs-volume-umount-device-busy/
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