From the category archives:

Technology

Two Commands To Make You A Better Sysadmin

by Benson Wong

Great sysadmins use aliases to avoid repeatedly typing common commands. Everybody knows lazy sysadmins are the best ones.
The Commands:
alias a=’cat ~/.bash_aliases’
alias ea=’vi ~/.bash_aliases; echo “Refreshing aliases”; source ~/.bash_aliases’
Here’s what they do:

the command ‘a’ now prints out a list of your current aliases
the command ‘ea’ brings up vi to edit your aliases and refreshes them [...]

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How To Use SSH to Create a Remote Proxy

by Benson Wong

Most good sysadmins already know how to forward a local port to a remote machine and vice versa. However, sometimes it is useful to open a port on the remote machine to the world and have that traffic forwarded through SSH to your local machine.
A practical reason for this is if your web development server [...]

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Reducing spam with a simple mail filter

by Benson Wong

I get a lot of commercial email trying to sell me technology services. Even though these are commercial emails with an unsubscribe link it is still annoying to have to filter through them and unsubscribe. A simple email hack that works well is to filter all email into a separate folder that is not coming [...]

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