Red Hat ENTERPRISE LINUX 3 Reference Manual

Also see for ENTERPRISE LINUX 3 - SECURITY GUIDE: Tuning guide Installation guide Installation guide Installation guide Manual

Contents

Chapter 4. The sysconfig Directory 39For more information about what parameters are available for this file, refer to the named man page.For detailed information on how to configure a BIND DNS server, refer to Chapter 12 Berkeley Inter-net Name Domain (BIND). By default, the file contains no parameters.4.1.21. /etc/sysconfig/netdumpThe /etc/sysconfig/netdump file is the configuration file for the /etc/init.d/netdump ser-vice. The netdump service sends both oops data and memory dumps over the network. In general,netdump is not a required service; only run it if absolutely necessary. For more information aboutwhat parameters are available for this file, refer to the netdump man page.4.1.22. /etc/sysconfig/networkThe /etc/sysconfig/network file is used to specify information about the desired network con-figuration. The following values may be used:• NETWORKING=D valueE , where D value E is one of the following boolean values:• yes — Networking should be configured.• no — Networking should not be configured.• HOSTNAME= D valueE , where D valueE should be the Fully Qualified Domain Name (FQDN),such as hostname.expample.com, but can be whatever hostname is necessary.NoteFor compatibility with older software that people might install (such as trn), the /etc/HOSTNAMEfile should contain the same value as here.• GATEWAY=D valueE , where D valueE is the IP address of the network’s gateway.• GATEWAYDEV=D valueE , where D value E is the gateway device, such as eth0.• NISDOMAIN=D valueE , where D valueE is the NIS domain name.4.1.23. /etc/sysconfig/ntpdThe /etc/sysconfig/ntpd file is used to pass arguments to the ntpd daemon at boot time.The ntpd daemon sets and maintains the system clock to synchronize with an Internet standardtime server. It implements version 4 of the Network Time Protocol (NTP). For more informationabout what parameters are available for this file, point a Web browser at the following file:/usr/share/doc/ntp-D versionE /ntpd.htm (where F versionG is the version number ofntpd). By default, this file sets the owner of the ntpd process to the user ntp.4.1.24. /etc/sysconfig/pcmciaThe /etc/sysconfig/pcmcia file is used to specify PCMCIA configuration information. The fol-lowing values may be used:• PCMCIA=D value E , where D valueE is one of the following: