On Wed, Apr 01, 2009 at 10:53:06PM +0200, Ed Schouten wrote: > Hi Steven, > > * Steven Hartland <[email protected]> wrote: > > How can I increase the maximum number or ptys available on FreeBSD 7.0? > > > > It seems that currently the machine is maxing out at 512 but there is > > still loads of capacity left on the machine. > > > > Ideally would like to double at least the number of ttys available, > > any help would be most appreciated. > > You can increase the maximum amount of PTYs by editing a lot of source > files on your system. There is some good news: in -CURRENT we switched > to Unix98-style PTYs (/dev/pts/%u). Right now the maximum amount of PTYs > is limited to 1000 (0 to 999). > > We're currently limited to 7 characters (pts/999) because our utmp/ > wtmp/lastlog files only reserve 8 bytes for the TTY name. If you're > brave enough, you can increase UT_LINESIZE in include/utmp.h and > MAXPTSDEVS in sys/kern/tty_pts.c. Be sure to recompile everything and to > remove your utmp/wtmp/lastlog files.
Can we switch to %x ? Or even, use some radix encoding of the number, to allow alphabetical symbols too ?
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