Fedora 12
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Configure Services2010/05/24

[1] Stop unnecessary services for your system which are enabled on the default settings. First, Output the list of services with following commands.
[root@dlp ~]#
chkconfig --list | less

[2] Stop unnecessary services. Following example, a service 'NetworkManager' is stopped and Disable autostart function.
[root@dlp ~]#
/etc/rc.d/init.d/NetworkManager stop

Stopping yum-updatesd
[ OK ]

[root@dlp ~]#
chkconfig NetworkManager off

[3] Or if a service is not needed for your system, Uninstall it. If you don't know the service which how to work, output documents of it. Following example, documents of 'gdmd' is outputed and uninstalled.
[root@dlp ~]#
man NetworkManager

[root@dlp ~]#
rpm -e NetworkManager

[4] Following lists are all services on the default settings if you would installed with the same way to this site. The one which has marked '*' is the one I turned on for autostart.

NetworkManager The NetworkManager daemon attempts to keep an active network connection available at all times.  
acpid management of power supply  
atd atd runs jobs queued by at  
auditd The audit package contains the user space utilities for storing and searching the audit records generate by the audit subsystem in the Linux 2.6 kernel. *
avahi-daemon Auto-mount removable media at the booting  
cpuspeed This program monitors the systemfs idle percentage and reduces or raises the CPUsf clock speeds and voltages accordingly to minimize power consumption when idle and maximize perfor-mance when needed.  
crond The daemon to execute scheduled commands. *
dnsmasq Light weight DHCP & DNS server  
haldaemon It searches infomations for hardwares.  
ip6tables It's IPv6 packet filter administration.  
iptables It's administration tool for IPv4 packet filtering and NAT.  
irda IrDA is a complete implementation of the various IrDA protocols and IrDA drivers for Linux.  
irqbalance It distributes hardware interrupts across processors on a multiprocessor system. *
mdmonitor It watches software-based RAID.  
messagebus It sends messages between apprications. *
microcode_ctl It's microcode utility for Intel IA32 processors.  
multipathd The multipathd daemon is in charge of checking for failed paths. When this happens, it will reconfigure the multipath map the path belongs to, so that this map regains its maximum per-formance and redundancy.  
netconsole It sends printk message from kernel on UDP.  
netfs It's NFS client.  
netplugd It's the daemon for network cable hotplug management.  
network It's the daemon for network system. *
nfs It's NFS server.  
nfslock It provids file lock function for NFS server.  
nscd Nscd is a daemon that provides a cache for the most common name service requests.  
pcscd It's PC/SC Smart Card Daemon.  
psacct Output the the command load situation.  
rdisc Detect routers in local subnets.  
restorecond It's the daemon that watches for file creation and then sets the default SELinux file context.  
rpcbind It's universal addresses to RPC program number mapper.  
rpcgssd It's the daemon which is used for network filesystem like NIS or NFS.  
rpcidmapd It's the daemon which is used for network filesystem like NIS or NFS.  
rpcsvcgssd It's the daemon which is used for network filesystem like NIS or NFS.  
rsyslog It reads and/or clears kernel message ring buffer; set console_loglevel. *
saslauthd saslauthd is a daemon process that handles plaintext authentication requests on behalf of the SASL library.  
sendmail It's SMTP server.  
smartd It's SMART Disk Monitoring Daemon.  
sshd It's OpenSSH SSH daemon. *
udev-post Moves the generated persistent udev rules to /etc/udev/rules.d  
wpa_supplicant It's Wi-Fi Protected Access client and IEEE 802.1X supplicant.  
ypbind ypbind finds the server for NIS domains and maintains the NIS binding information.  

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