SSH session logging / recording
If you want to implement a simple server-side SSH session logging, follow these simple steps.
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Archive for October 2010
Building ProFTPD with SFTP support on Debian Lenny
The mod_sftp module implements the SSH2, SFTP and SCP protocols, allowing SCP and SFTP clients to be used with ProFTPD. By default, Debian Lenny does not provide mod_sftp support, but you can build a proper package using a development version available in Debian repositories – here is how.
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Resizing qcow2 images
To date (as of qemu 0.12.5), it was not possible to resize qcow2 images. The only workaround was to convert the image to some other format, resize it, and convert it back to qcow2. Which could be quite lengthy and meant plenty of IO. Moreover, it was even more tricky if the image was already more than 50% of your storage space and you still wanted to increase its size.
It changed with qemu 0.13.0 (still release candidate as of writing this blog post), where resize option was added to qemu-img.
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Useful shell one-liners
A page with useful one-lines for reference.