Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Scaricare il pdf (Pagina 66)

66 Chapter 3. Boot Process, Init, and Shutdown

• SETCOLOR_SUCCESS= value , where value sets the color to a color indicating success.

Defaults to ANSI sequences output by echo -e, setting the color to green.

• SETCOLOR_FAILURE=

value , where value sets the color to a color indicating failure. De-

faults to ANSI sequences output by echo -e, setting the color to red.

• SETCOLOR_WARNING=

value , where value sets the color to a color indicating warning.

Defaults to ANSI sequences output by echo -e, setting the color to yellow.

• SETCOLOR_NORMAL=

value , where value sets the color to ’normal’. Defaults to ANSI

sequences output by echo -e.

• LOGLEVEL=

value , where value sets the initial console logging level for the kernel. The

default is 7; 8 means everything (including debugging); 1 means nothing except kernel panics.

syslogd will override this once it starts.

• PROMPT=

value , where value is one of the following boolean values:

• yes — Enables the key check for interactive mode.

• no — Disables the key check for interactive mode.

3.3.1.15. /etc/sysconfig/ipchains

The /etc/sysconfig/ipchains ﬁle contains information used by the kernel to set up ipchains

rules regarding packet ﬁltering.

This ﬁle is modiﬁed by running the service ipchains save command when valid ipchains

rules are in place. You should not manually edit this ﬁle. Instead, use the ipchains command to

conﬁgure the necessary packet ﬁltering rules and then save the rules to this ﬁle.

3.3.1.16. /etc/sysconfig/iptables

Like /etc/sysconfig/ipchains, the /etc/sysconfig/iptables ﬁle stores information used

by the kernel to provide specialized packet ﬁltering services. However, this ﬁle is used by iptables

rather than ipchains.

You should not modify this ﬁle by hand unless you are familiar with methods used to construct ipt-

ables rules. These rules are written to /etc/sysconfig/iptables by the service iptables

save command, which stores the current iptables rules by running the /sbin/iptables-save

program. Then, when iptables is restarted, such as is the case when the system is booted, the

/sbin/iptables-restore program reads the ﬁle and reinstitutes the packet ﬁltering rules.

3.3.1.17. /etc/sysconfig/irda

The /etc/sysconfig/irda ﬁle controls how infrared devices on your system are conﬁgured at

startup.

The following values may be used:

• IRDA=

value , where value is one of the following boolean values:

• yes — irattach will be run, which periodically checks to see if anything is trying to connect

to the infrared port, such as another notebook computer trying to make a network connection.

For infrared devices to work on your system, this line must be set to yes.

• no — irattach will not be run, preventing infrared device communication.

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Red Hat LINUX 7.2 - OFFICIAL LINUX CUSTOMIZATION GUIDE Guida di Installazione Pagina 66

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