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There are many guides found on the net describing Kerrighed and how to set it up using Ubuntu and others.  However, to the best of my knowledge there isn’t a step by step guide specifically designed for Kerrighed using Debian Lenny.  So here it is.  You can set up your own Beowulf Cluster using Debian Lenny and Kerrighed in about 50 steps.  Many of the steps described here are taken straight from other guides because there are applicable here (see sources at the bottom.)  Many other steps are based on my own trial and error.
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Problem

SSH is enabled in the firewall and configured correctly, however SSH connection to the firewall does not work.

*  SSH to the firewall stopped working
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NSM receives logs from all the devices and the logs are stored under /usr/netscreen/DevSvr/var/logs folder on NSM Device server.These logs are saved in binary format and cannot be viewed directly.
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For Cisco Routers

If you want to know the chassis serial number for your router use the following command
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This tutorial will explain howto remove NSM (Netscreen security manager) configuration from a juniper firewall

There are two options on how to remove the device from NSM. Either simply disable the NSM Agent on the device while leaving the configuration on the device, or remove the NSM configuration completely.
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OpenSSH is a great means to protect your connection from being sniffed by others. However, this isn’t always enough. Simply proving that you connected to a server is enough to get incriminated. Unfortunately, SSH doesn’t provide a native way to obfuscate to whom it connects. Instead, a proxy server can be set up. And this is where TOR comes to play. This howto covers installing TOR on a Debian based system and setting up SSH to use TOR.
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