Category Archives: sysadmin

Start stopped instances that all have the same name

Posted on August 25, 2014 by Lorin Hochstein

It’s worth learning the AWS CLI and jq in order to do one-off batch operations to EC2 instances. I needed to start a group of stopped instances that all had the same name. Here’s the one-liner: aws ec2 describe-instances –filters \ Name=tag:Name,Values=”name goes here” | … Continue reading →

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Partitioning is hard to do

Posted on March 11, 2013 by Lorin Hochstein

Configuring Ubuntu preseed files for automatically partitioning is… non-trivial. Especially when you want to boot off  of a large disk. Here’s a gist for those interested. I imagine some lines here are superfluous, but this works. This file contains bidirectional … Continue reading →

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Copying the config from a Cisco switch to OSX via TFTP

Posted on March 6, 2013 by Lorin Hochstein

I wanted to copy the configuration information from a Cisco switch onto my local machine, which runs Mac OS X (Mountain Lion). You can do this via TFTP, since the switch has a TFTP client and OS X comes with … Continue reading →

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