The services of Centos

Stop unnecessary services for your system which are enabled on the default settings

NetworkManager	The NetworkManager daemon attempts to keep an active network connection available at all times.
acpid	Advanced Configuration and Power Interface event daemon.
anacron	Anacron can be used to execute commands periodically, with a frequency specified in days.
apmd	Advanced Power Management (APM) BIOS utilities for laptops.
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.	*
autofs	autofs controls the operation of the automount(8) daemons running on the Linux system.
avahi-daemon	Avahi mDNS/DNS-SD daemon Avahi is a fully LGPL framework for Multicast DNS Service Discovery.
avahi-dnsconfd	avahi-dnsconfd is a small daemon which may be used to configure conventional DNS servers using mDNS in a DHCP-like fashion.
bluetooth	It provids wireless connections among computers.
conman	ConMan is a serial console management program designed to support a large number of console devices and simultaneous users.
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.	*
cups	It's the print system.
dund	It's BlueZ Bluetooth dial-up networking daemon.
firstboot	It's a tool that we can configure basic settings ofthe system by it.
gpm	It's a cut and paste utility and mouse server for virtual consoles.
haldaemon	It searches infomations for hardwares.
hidd	It's Bluetooth HID daemon.
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.	*
kudzu	It detects and configures new and/or changed hardware on a system.
lvm2-monitor	Monitor LVM2 with using dmeventd.
mcstrans	It's the daemon for SELinux.
mdmonitor	It watches software-based RAID.
mdmpd	It watches software-based RAID.
messagebus	It sends messages between apprications.	*
microcode_ctl	It's microcode utility for Intel IA32 processors.
multipathd	Manage kernel's function called DeviceMapper.
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.
oddjobd	The oddjobd daemon provides the com.redhat.oddjob service on the system-wide message bus.
pand	The pand PAN daemon allows your computer to connect to ethernet networks using Bluetooth.
pcscd	It's PC/SC Smart Card Daemon.
portmap	Portmap is a server that converts RPC program numbers into DARPA protocol port numbers.
psacct	PSACCT is a standard process running on each node that generates daily usage logs containing information on the jobs that ran and how many resources they consumed.
rawdevices	The rawdevices is allocated in the block device.
rdisc	Detect routers in local subnet.
readahead_early	It reads files in page cache early.
readahead_later	It reads files in page cache early when system is running in GUI mode.
restorecond	It's the daemon that watches for file creation and then sets the default SELinux file context.
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.
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.	*
syslog	It reads and/or clears kernel message ring buffer; set console_loglevel.	*
tcsd	TrouSerS server daemon
wpa_supplicant	Provide IEEE 802.1x authentication.
xfs	It's X fonts server.
ypbind	ypbind finds the server for NIS domains and maintains the NIS binding information.
yum-updatesd	yum-updatesd provides notification of updates which are available to be applied to your system.