Matrix-522 User Guide
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3.13 Power on and System Boot up
Once Matrix-522 is correctly power on, it will start boot Linux kernel and mount file system. You can
use Ethernet and telnet and login Matrix-522. Once kernel loaded, it will find
/sbin/init
and execute it.
The initialization configuration is at
/etc/inittab
. Once boot up, you can use telnet to login Matrix-522.
3.14 Inittab and Run Levels
Inittab contains information of system initialization. The system initialization script
/etc/rcS.d
runs first
then the run level 5
/etc/rc5.d
.
Matrix-522 uses run level for system setup and the default run level is
number 5. Please refer to introduction to linux (http://tille.garrels.be/training/tldp/) for information
about run level.
Following is the run levels setting:
Run level 0: halt
Run level 1 is single user (login and service are disabled)
Run level 2~5 are multiple users
Run level 6 is reboot
Please refer to loader menu section for selection of run level.
3.15 Default Started Service
1. amgrd (Artila broadcast search daemon)
2. ssh (secured shell) with sftp
3. syslog/klogd (system and kernel log)
4. telnet server (disable root with
/etc/securetty
)
5. ftp server (vsftp)
6. web server (lighttpd)
7. Ready LED (debug LED for internal use)
