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Networking and System Services

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8 replies

by night-owl-24-7-365

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How can one:
a. configure system web, mail, and ftp servers to run on startup?
b. halt any service running on machine in use without stopping the entire Machine?
c. configure a network adapter for both static and dynamic ip addresses?
d. stop and start networking software?
detect the network devices on your local network.

8 replies

by vdanen

Lots of questions. I'm basing my answers off of systems using
Mandrake, Red Hat, Fedora, etc. that use SysV-style initscripts
and tools like "service" and "chkconfig".

a) chkconfig service on (ie. chkconfig httpd2 on, or chkconfig
exim on)
b) service daemon stop (ie. service httpd2 stop, or service exim
stop)
c) this one I'm not sure on; I suppose setup the interface as
dynamic so it gets it's IP via DHCP, then make an alias for it that
uses a static IP; ie. create /etc/sysconfig/network-scripts/ifcfg-
eth0:0 and have it contain something like:

IPADDRESS="192.168.5.12"
NETMASK="255.255.255.0"

and make sure eth0 itself is setup to be dynamic (installer
should do this)

d) use service again (ie. service httpd2 restart, or service exim
restart)

To detect network devices on your local network, use a scanner
like nmap.

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