Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: How can Emacs get a unique ID per Linux reboot? | Date | 1 Jun 1999 04:06:34 GMT |
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Followup to: <199906010238.TAA18495@shade.twinsun.com> By author: Paul Eggert <eggert@twinsun.com> In newsgroup: linux.dev.kernel > > For most operating systems, BOOTID is the timestamp of the last > reboot. For example, if I edit FOO on Solaris 7, Emacs might create a > symbolic link from .#FOO to eggert@shade.twinsun.com.18323:924306205, > since shade.twinsun.com was last rebooted 924306205 seconds after > 1970-01-01 00:00:00 UTC. > > Unfortunately, RMS and I haven't been able to discover a documented, > guaranteed, and fast way to get a unique reboot ID for Linux. >
Get the current uptime from /proc/uptime and subtract that from the current time.
-hpa -- "The user's computer downloads the ActiveX code and simulates a 'Blue Screen' crash, a generally benign event most users are familiar with and that would not necessarily arouse suspicions." -- Security exploit description on http://www.zks.net/p3/how.asp
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