Axel AX3000 Platine Terminal Ethernet TCP/IP 65E Manual do Utilizador descarregar pdf (Página 92)

Installing under UNIX/LINUX

82 TCP/IP AX3000 User's Manual

The AXEL tty server creates a ‘pipe’ between pseudo devices on the UNIX host

(/dev/ttypx) and AX3000 resources (sessions and/or auxiliary ports). This ‘pipe’

lets Unix treat the Axel sessions and auxiliary ports as local resources.

Note about pseudo-terminals: a pseudo-terminal is composed of two parts: a

master file and a slave file. UNIX supports two possible styles for naming pttys:

- one master and x slaves

(AT&T style): the master filename is /dev/ptmx

and the slave filenames are /dev/pts/xxx (where xxx is a number).

- x masters and x slaves

(Berkeley style): the master filename is

/dev/ptypxxx and the slave filenames are /dev/ttypxxx (where xxx is the

same number for master and slave).

The following drawing shows the Unix/Linux mechanisms:

Socket

TCP Stack

AXEL

tty server

X3000 TCP/IP Terminal

UNIX

ttypz ptypz

(slave) (master)

ttypy ptypy

(slave) (master)

ttypx ptypx

(slave) (master)

Software

5.4.2 - Installing an AXEL tty server

Copy to /etc and rename as axttyd the appropriate binary. Example for IBM

AIX:

# cp axttyd.AIX /etc/axttyd <CR>

1 2 ... 87 88 89 90 91 92 93 94 95 96 97 ... 239 240

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