On Saturday 24 May 2008 12:05:30 Fred Noz wrote: > Responding to a question posted earlier this month, Centos 5.1 includes > configuration files for enabling the read-only root filesystem. > Actually, all filesystems can be mounted read-only with particular files > and directories mounted on a read-write tmpfs (in RAM). This capability > comes directly from the upstream provider. > When your computer comes back up, the root and any other system > partitions will be mounted read-only. All the files and directories > listed in /etc/rwtab will be mounted read-write on a tmpfs filesystem. > You can add additional files and directories to rwtab to make them > writable after reboot. > > Note that this system is stateless. When you reboot again, everything > written to the tmpfs filesystem vanishes and the system will be exactly > as it was the last time it was booted. You could add a writable > filesystem on disk or NFS for writing files you want to retain after > rebooting. This is very interesting. Thanks for the sharing Fred. So, it's somekind of Live CD on a disk? I can't think of a practical benefit of using such system, is it to protect it from unwanted modification? -- Fajar Priyanto | Reg'd Linux User #327841 | Linux tutorial http://linux2.arinet.org 15:40:28 up 7:29, 2.6.22-14-generic GNU/Linux Let's use OpenOffice. http://www.openoffice.org The real challenge of teaching is getting your students motivated to learn.
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