Silicon Graphics IRIS Workstation, User Manual

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38 IRIS WORKSTATION GUIDE
Version 1.0
System Administration
is:s:initdefault:
fp::sysinit:/etc/fload >/dev/console 2>&1
bl::bootwait:/etc/bcheckrc </dev/console >/dev/console 2>&1 #bootlog
bc::bootwait:/etc/brc 1>/dev/console 2>&1 #bootrun command
sl::wait:(rm -f /dev/syscon;ln /dev/systty /dev/syscon;) 1>/dev/console 2>&1
rc::wait:/etc/rc 1>/dev/console 2>&1 #run com
pf::powerfail:/etc/powerfail 1>/dev/console 2>&1 #power fail routines
co::respawn:/etc/getty console co_9600
d1:x:respawn:/etc/getty ttyd1 dx_9600
d2:x:respawn:/etc/getty ttyd2 dx_9600
d3:x:respawn:/etc/getty ttyd3 dx_9600
n1:x:respawn:/etc/getty ttyn1 dx_9600
n2:x:respawn:/etc/getty ttyn2 dx_9600
Figure 6-4: Sample /etc/inittab File
tset (1) and ttytype (4).
6. If necessary, edit the file /etc/termcap to contain entries for terminals
not described there. See termcap (4).
7. Login on the ASCII Terminal.
6.9 Connecting a Modem to the IRIS Workstation
A modem can be connected to the IRIS Workstation through
Port 2
,
Port 3
or
Port 4
on the Cabinet I/O Panel. This modem can then be used by the UNIX
utilities cu and uucp .
Port 3
should be used first since the serial line
configuration files are prepared for it. To attach a modem to any of the other
ports requires modification of the serial line configuration files.
1. See Section 4.6 for instructions on how to physically connect the
IRIS Workstation to a modem with an RS-232 serial line.
2. Edit the file /etc/inittab . Each line corresponds to a device file in /dev
and contains four fields separated by colons. See Table 6-2 for a list
of the correspondences between device files and physical ports.
Find the line for the selected port and put an x in the second field.
This prevents a getty process from being started on the port. See
inittab (4).
3. init must be informed of the change to the /etc/inittab file.
$ /etc/telinit -q
This causes init to read /etc/inittab and enable ports for modem use.
4. Edit the file /usr/lib/uucp/L-devices . This file contains line speed entries
for each port. See Section 1.3 for a description of the fields in each
line of /usr/lib/uucp/L-devices .
5. Edit the file /usr/lib/uucp/L.sys . This file contains information about
sites that uucp can communicate with. See Section 1.3 for a