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Archive of posts filed under the tips category.

Some notes on macvlan/macvtap

Just a summary of sparse information about poorly documented features.

Pulling out strings

Some ways to "pull out" strings from files

Run cron job every N days

It's easy with modular arithmetic.

Some notes on veth interfaces

One of many types of interfaces used for virtualization

Send email with attachment(s) from script or command line

To avoid having to search it every single time.