Service manual

Cyclades-TS

Appendix A - Linux

Installation & Service Manual

PID Uid State Command

1 root S /sbin/inetd

31 root S /sbin/sshd

32 root S /sbin/cy_ras

36 root S /sbin/cy_wdt_led wdt led

154 root R /ps -a

To restart the cy_ras process use its process ID or execute the command:

signal_ras hup

This executes the ps command, searches for the cy_ras process id, then sends the signal HUP to the process,

all in one step. Never kill cy_ras with the signals -9 or SIGKILL.

NTP Client Functionality

In order for the Cyclades-TS to work as a NTP (Network Timer Protocol) client, the IP address and either

hostname or domain name of the NTP server must be set in the file /etc/hosts. The date and time will be

updated from the NTP server after rebooting.

The Crond Utility

To use crond, first create the following two files for every process that it will execute:

1. crontab - the file that specifies frequency of execution, name of shell script, etc. should be set using the

traditional crontab file format.

2. script shell - a script file with the Linux commands to be executed.

Next, create a line in the file /etc/crontab_files for each process to be run.

Each line must contain the three items: