Today I was looking for a simple way to test the latency and bandwidth between two Linux servers. The easiest way, of course, is to just use ping. The ping utility should be available on almost any Linux server and is extremely easy to use. Just login to one of your servers and then execute … Continue reading Test Latency Between Two Servers (Linux)
Tag: devops
Resize EC2 Volume (without Resizing Partition)
Problem You would like to resize a volume attached to an EC2 instance. Solution Do the following: Create a snapshot of your volume (instructions) Stop your instance Go to EBS / Volumes and select Actions / Modify Volume Enter the new size for your volume (note you can only ever make the volume larger) and … Continue reading Resize EC2 Volume (without Resizing Partition)
Set up MySQL Replication with Amazon RDS
Problem You have an existing server that runs a MySQL database (either on EC2 or not) and you would like to replicate this server with a Amazon RDS MySQL instance. After you follow the instructions from Amazon, your slave reports the IO status: Slave_IO_State: Connecting to master ... and the replication does not work. Solution … Continue reading Set up MySQL Replication with Amazon RDS
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