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7.6. Expert Mode

If you hold down shift during the boot process, you have the option of booting into Expert mode; this will cause clump/os to boot to a shell rather than to the graphical interface. From this shell you can attempt to insert the appropriate module for your network adapter (if autoprobing failed), and/or configure your network and MOSIX manually. Type "halt" to shut down the system. (Note that since the system resides in RAM you can't hurt yourself too badly by rebooting the hard way if you have to -- unless you have manually mounted any partitions rw, that is, and we don't recommend doing so at this point.)

If you want to run clumpview, execute:
     open -s -w -- clumpview --drone --svgalib
This will force the node into 'drone' mode (local processes will not migrate), and will force clumpview to use SVGALIB; the open command will ensure that a separate vt is used.

Please be advised that the environment provided was initially intentionally minimalistic; if you require additional files, or wish to copy files from the system to another machine, your only option is nc (netcat -- a great little utility, btw), or mfs if MOSIX is configured. From version R5.4 on size is no longer a primary consideration.

Expert mode (and clump/os for that matter) is 'single-user'; this is one of the reasons that utilities such as ssh are not included. These and other similar decisions were made in order to keep clump/os relatively small, and do not affect cluster operation.

From version R5.4, if you experience problems in Expert Mode, you can boot into Safe Mode; in Safe Mode no attempt is made at autoconfiguration.




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