The original question was:
>Has anyone faced this problem, when I either telnet or
>rlogin to the machine "A" the following message appears.
>
>% telnet A
>Trying 200.206.21.154...
>Connected to A.mysite.edu.br.
>Escape character is '^]'.
>telnetd: open /dev/ptmx: No such device
>.
>Connection closed by foreign host.
>
Thanks to:
Casper Dik
Alfredo de Luca KELEMEN Peter Wim Olivier Amjad Zamil
Vipin Gupta PITCHUMANI G Brett Lymn Bismark Espinoza
Ginny Bolyard Benjamin Cline Tim Carlson Tunde.Adeyeri
Oliver Hemming Aaron Lineberger Mike D. Kail Craig Gates
The answer is:
The solaris FAQ says:
3.40) How can I have more than 48 pseudo-ttys?
Edit /etc/system and add the following line:
* System V pseudo terminals
set pt_cnt = <num>
Halt the system and boot -r.
You can essentially have as many as you like, but you'll probably
run into some other limit somewhere. More than 3000 are supported.
In the unlikely event that you run out of BSD-style ptys,
you can increase them as well. The maximum here is currently
176 for pty[p-z][0-9a-f]. This is somewhat less that the BSD
maximum of 256 limited by 8 bit device minor numbers.
BSD ttys are awkward to use and all programs I found support SYSV
ptys without trouble.
* You don't need this. Increasing this value too much usually
* just wastes memory.
* BSD application never support more than 256 ptys.
* Solaris 2.x supports no more that 176 BSD ptys.
set npty = <num>
But you're not there yet, you also need to edit /etc/iu.ap and
substitute the new value of "npty-1" for the "47" on the following
line, in case you do increase the number of BSD style ptys.
ptsl 0 47 ldterm ttcompat
Halt the system and boot -r.
5.28) I get /dev/ptmx: No such device when attempting to telnet/rlogin in.
You need to increase the number of pseudo ttys (See 3.40).
--- end of excerpt from the FAQ
Questions marked with a * or + have been changed or added since
the FAQ was last posted
The most recently posted version of the FAQ is available from
<http://www.wins.uva.nl/pub/solaris/solaris2/>
--antonio
------------------
Antonio Figueiredo
Computer Engineering & Ind. Automation www.dca.fee.unicamp.br/~antonio
School of Electrical & Computer Engineering antonio@dca.fee.unicamp.br
State University of Campinas - Campinas, SP BRAZIL +55 19 788-3845
------------------------------------------------------------------------
"UNIX *is* user-friendly. It's just selective about who its friends are."
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