"Munin" means "memory".Munin the tool surveys all your computers and remembers what it saw. It presents all the information in in graphs through a web interface. Its emphasis is on plug and play capabilities. After completing a installation a high number of monitoring plugins will be playing with no more effort. Using Munin you can easily monitor the performance of your computers, networks, SANs, and quite possibly applications as well. It makes it easy to determine "what's different today" when a performance problem crops up. It makes it easy to see how you're doing capacity wise on all limited resources.
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gSTM, the Gnome SSH Tunnel Manager, is a front-end for managing SSH-tunneled port redirects. It stores tunnel configurations in a simple XML format. The tunnels, with local and remote port redirections, can be created, deleted, modified, and individually started and stopped through one simple interface. It is useful for anyone wanting to securely access private services over an encrypted tunnel.
Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box. All of this is wrapped in an intuitive, easy to use interface that makes sense for
LAN-sized installations up to complex networks with hundreds of devices.
Automatic LAMP (Linux, Apache, MySQL and PHP) In about 15 minutes, the time it takes to install Ubuntu Edgy Server Edition, you can have a LAMP server up and ready to go. This feature, exclusive to Ubuntu Server Edition, is available at the time of installation.
sysrqd is a tiny daemon aiming to control sysrq over network.SysRq stands for System Request, and this are functions mapped to keyboard short cuts by the kernel. You can use them by pressing Alt+SysRq+[key] (SysRq might be named “Print Screen” on your keyboard),Permits to execute usual SysRq commands by network, like: sync, umount, reboot, poweroff, sak, term, etc. where key can be s (sync), k (sak), 0 to 9 (logging level), b (reboot), etc.