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Services
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| [1] | Stop unnecessary services for your system which are enabled on the default settings. First, Output the list of services with following commands. |
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[root@ns ~]# |
| [2] | Stop unnecessary services. Following example, a service 'gpm' is stopped and Disable autostart function. |
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[root@ns ~]# /etc/rc.d/init.d/gpm stop Stopping yum-updatesd [ OK ] [root@ns ~]# chkconfig gpm 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 'gpm' is outputed and uninstalled. |
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[root@ns ~]# man gpm [root@ns ~]# rpm -e gpm |
| [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 | |
| anacron | Anacron can be used to execute commands periodically, with a frequency specified in days. | |
| atd | atd runs jobs queued by at. | |
| avahi-daemon | Avahi mDNS/DNS-SD daemon Avahi is a fully LGPL framework for Multicast DNS Service Discovery. | |
| bluetooth | It provids wireless connections among computers. | |
| cpuspeed | This program monitors the system idle percentage and reduces or raises the CPUs 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. | |
| 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. | |
| portreserve | Keep ports to prevent the port being occupied with portmap | |
| 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. |