If you have PTY problems in 2.1.115, make sure you don't have one of
these misconfigurations in your system:
1. /dev/ptyp* and /dev/ttyp* devices on major number 4. This
configuration has been deprecated since Linux 1.3 (1995), and
support for it was finally removed. The proper major number for
/dev/pty* devices is 2 and for /dev/tty* devices is 3; see
linux/Documentation/devices.* for the details.
2. /dev/ptmx but no /dev/pts (this will bite you if you're running
glibc 2.0.9x).
If you have /dev/ptmx, glibc will attempt to use Unix98 PTYs.
Either remove this device node, or set up Unix98 devices properly:
- Configure your kernel with CONFIG_UNIX98_PTYS and
CONFIG_DEVPTS_FS.
- Add to your /etc/fstab file:
none /dev/pts devpts gid=5,mode=620 0 0
gid=5,mode=620 applies to RedHat systems (gid 5 is "tty"); other
distributions may use other gid's. mode=620 means "mesg y" is
the default; use mode=600 if you want "mesg n" to be the default.
- mknod /dev/ptmx c 5 2
chmod 666 /dev/ptmx
mkdir /dev/pts
mount /dev/pts
-hpa
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