Handshaking
Serial terminals e.g. Wyse's etc are fairly slow devices, with faster computers these days the terminals cannot keep up - to get round this they use a form of handshaking. That is, the terminal sends a signal back to the computer to say 'wait a little while', the computer stops until is gets another signal sayings 'OK carry on now' it starts again.
By default Premvet is setup to use 'Software Handshanking' - it send a signal - Control S for Stop and control Q for start. However if you as a user press ^S it will stop until you press ^Q - this is NORMAL.
If you do not have any serial terminals in use, that is you have PC's or Axel's then this can be a bother. This guide explains how to change the default so you can use ^Q/^S as normal.
- Login as
root - Type
cd /usr/local/bin - Type
l run14*
This should list at least 3 lines e.g.:
-rwxrwxrwx 1 root sys 121316 Jan 6 09:13 run14 -rwxr-xr-x 1 root sys 121316 Oct 3 2001 run14.net -rwxr-xr-x 1 root sys 121316 Dec 12 09:07 run14.serial
If you do not have the three lines then please contact support so they can send the appropriate files to you.
The next step is to copy the relevent file into place, if you are using network devices only, then you will want run14.net, if you have some slow serial devices then you will want run14.serial (in place by default).
- Type
mv run14 run14.old - Type
cp run14.net run14
That's it - login as normal and the default has been changed.
Note: If you want to work out which version you are currently using then use the following:
- Type
sum /usr/local/bin/run14
you will see a line e.g.59201237 /usr/local/bin/run14 Make a note of the 1st number e.g. in my case 59201 - Refer to the table below:
59201 /usr/local/bin/run14.net Network version 59221 /usr/local/bin/run14.serial Serial version