IMP Linux Services

xxxxxxxxxxxxx Important Linux Services in Linux and there meanings xxxxxxxxxxxxx

# chkconfig sshd --list                      [To check daemon default on boot running status ]
# service daemon-name status      [Check daemon present status ]
# service --status-all                         [Check all running service ]
# ntsysv                                              [Change services status ]

gpm	needed if you want to use the mouse at the console
kudzu	important for detecting new hardware
syslog	important for syslog services
netfs	needed only if there are NFS shares that should be mounted at boot time
network	important for starting network interfaces (e.g. eth eth1bonding...)
random	used for the system entropy pool
atd	needed if the at(1) service is used instead of cron
apmd	Advanced Power Management (APM) daemon is used for laptops and some desktops
isdn	needed if ISDN is being used
iptables	needed if Netfilter (iptables) Firewall is being used
ip6tables	needed if ip6tables Firewall is being used
pcmcia	not needed on servers - needed for laptops
irqbalance	important for distributing interrupts across all CPUs
sendmai	needed if Sendmail is used - Procmail should be used which is more secure
autofs	needed if automounter is used - production applications should not be dependent on automounter
sshd	important for logins via SSH
portmap	needed if e.g. NFS is being used
nfslock	needed if NFS shares are mounted
nfs	needed if server runs the NFS server
mdmonitor	needed only if software RAID is being used
crond	important for running cron jobs
xinetd	needed if xinetd services are being used see /etc/xinetd.d/ for list of services
cups	needed if CUPS is used for the printing system
rhnsd	needed if server should connect to RHN to check for software updates etc.
sysstat	needed to reset system statistics logs
audit	needed only if Linux Audit Subsystem (LAuS) should run for collecting system call audit records
psacct	needed only if kernel process accounting information is needed
smartd	important for monitoring disk problems if hard disks support SMART technology
netdump	important if kernel oops data and memory dumps should be sent to a Netdump server for server crashes

 
Rest will add sooooonnnn .....