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How to introduce the Linux system service, in view of this problem, this article introduces the corresponding analysis and answer in detail, hoping to help more partners who want to solve this problem to find a more simple and feasible method.

Introduction of system service

1. Alsasound: Alsa sound card driver daemon.

2. Acpid:acpid (Advanced Configuration and Power Interface) is a new power management standard to replace the traditional APM power management standard. Usually notebook computers need to be powered on for management.

3. Atalk:AppleTalk network daemon.

4. Amd: automatically installs the NFS daemon.

5. Anacron: an automated task daemon.

6. Apmd:apmd (Advanced Power Management) is advanced power management.

7. Arptables_jf: a daemon that controls filtering for users of the arptables network.

8. Arpwatch: log and build a database of Ethernet address and IP address pairs seen on the LAN interface.

9. Autofs: automatically installs the management process automount, which is related to NFS and depends on the NIS server.

10. Bootparamd: boot parameter server, which provides the relevant information needed to boot for the diskless workstation on the LAN.

11. Bluetooch: the Bluetooth server daemon.

12. Crond: cron is a traditional program under Unix that runs user-scheduled tasks periodically. Compared to the traditional Unix version, the Linux version adds a lot of attributes, and it is more secure and easier to configure. It's like planning a mission.

13. Chargen: chargen server,chargen (Character Generator Protocol) using the tcp protocol is a network service whose main function is to provide functions similar to remote typing.

14. Chargen-udp: chargen server that uses the UDP protocol.

15. Cpuspeed: monitor the system idle percentage, reduce or speed up the CPU clock speed and voltage to minimize energy consumption when the system is idle, and maximize system execution speed when the system is busy.

16. Dhcpd: the service daemon of dynamic Host Control Protocol (Dynamic Host Control Protocol).

17. Cups: cups (Common UNIX Printing System) is the generic UNIX print daemon.

18. The cups-config-daemons:cups printing system switches daemons.

19. The cups-lpd:cups line print daemon.

20. Daytime: a Daytime daemon that uses the TCP protocol, which provides clients with the ability to retrieve dates and times from remote servers. Default port: 13.

21. Daytime-udp: Daytime daemon that uses the UDP protocol.

twenty-two。 Dc_server: a proxy server daemon that uses SSL secure sockets.

23. Dc_client: a client daemon that uses SSL secure sockets.

24. Diskdump: server disk backup daemon.

25. Echo: the server echoes the customer data service daemon.

twenty-six。 Echo-udp: the server that uses the UDP protocol echoes the customer data service daemon.

twenty-seven。 Eklogin: a daemon for a service that accepts rlogin session authentication and encryption with kerberos5.

twenty-eight。 Gated: gateway routing daemon. It supports a variety of routing protocols, including RIP versions 1 and 2, DCN HELLO protocol, OSPF version 2, and EGP versions 2 through 4.

twenty-nine。 The gpm:gpm (General Purpose Mouse Daemon) daemon provides mouse support for text-mode Linux programs such as mc (Midnight Commander).

thirty。 Gssftp: ftp daemon using kerberos 5 authentication

thirty-one。 The httpd:Web server Apache daemon.

thirty-two。 Inetd: Internet operation daemon.

thirty-three。 The innd:Usenet news server daemon.

thirty-four。 Iiim: Chinese input method server daemon.

thirty-five。 The iptables:iptables firewall daemon.

thirty-six。 Irda: infrared port daemon.

thirty-seven。 Isdn:isdn starts and aborts the service daemon.

thirty-eight。 Krb5-telnet: a telnet daemon that uses kerberos 5 certification.

thirty-nine。 Klogin: remote login daemon.

forty。 Keytable: the function of this process is to reprint the keyboard mapping table defined in / etc/sysconfig/keyboards, which can be selected through the kbdconfig tool. You should make the program active.

forty-one。 Irqbalance: a daemon that balances the load of system interrupt requests in multiple system processor environments. If you only have one CPU installed, you don't need to load the daemon.

forty-two。 Kshell: the kshell daemon.

forty-three。 Kudzu: hardware automatic detection program.

forty-four。 Ldap:ldap (Lightweight Directory Access Protocol) Directory access Protocol server daemon.

forty-five。 Lm_seroems: the daemon to detect the operation of the motherboard.

forty-six。 Lpd: lpd is an old print daemon that is responsible for submitting programs such as lpr to a print job.

forty-seven。 Daemons for mdmonitor:RAID-related devices.

forty-eight。 Messagebus:D-BUS is a library that provides one-to-one communication for two or more applications.

forty-nine。 Microcode_ctl: can encode and send new microcode to the kernel to update the Intel IA32 family of processors.

fifty。 Mysqld: a fast, efficient and reliable lightweight SQL database engine daemon.

fifty-one。 Named:DNS (BIND) server daemon.

fifty-two。 The netplugd:netplugd (network cable hotplug management daemon) daemon, which monitors the status of one or more network interfaces and runs an external script when certain events are triggered.

fifty-three。 Netdump: remote network backup server daemon.

fifty-four。 Netfs:Network Filesystem Mounter, which installs and uninstalls NFS, SAMBA, and NCP network file systems.

fifty-five。 Nfs: the network file system daemon.

fifty-six。 Nfslock:NFS is a popular protocol for sharing files over a TCP/IP network, and this daemon provides NFS file locking capabilities.

fifty-seven。 Ntpd:Network time Protocol daemon (Network time Correction Protocol). Ntpd is a protocol daemon used to synchronize the system with a precise time source.

fifty-eight。 Network: activates / shuts down each network interface daemon at startup.

fifty-nine。 Psacct: this daemon includes several tools for monitoring process activity, including ac,lastcomm, accton, and sa.

sixty。 Pcmcia: mainly used to support laptop interface daemons.

sixty-one。 Portmap: this daemon is used to support RPC connections, and RPC is used for services such as NFS and NIS.

sixty-two。 Postgresql: PostgreSQL relational database engine.

sixty-three。 Proftpd: proftpd is a daemon for a flexibly configured ftp server under Unix.

sixty-four。 Pppoe:ADSL connection daemon.

sixty-five。 Random: a high-quality random number generator that saves and restores the system. These random numbers are provided by some random behaviors.

sixty-six。 Rawdevices: the daemon used to load raw devices when using the cluster file system.

sixty-seven。 Readahead, readahead_early:readahead, and readahead_early are the two latest daemons that run in the background in Fedora core 2. Its function is that during the startup of the system, the files used to start the system are first read into memory, and then executed in memory to speed up the startup of the system.

sixty-eight。 Rhnsd:Red Hat Network Services daemon. Inform the official security information and patch the system.

sixty-nine。 Routed: this daemon supports automatic IP routing table maintenance for the RIP protocol.

seventy。 Rsync:remote sync remote data backup daemon.

seventy-one。 Rsh: start a shell on the remote host and execute the user command.

seventy-two。 Rwhod: allows remote users to get a list of all logged-in users on the machine running the rwho daemon.

seventy-three。 Rstatd: a waiting process that collects and provides system information for other machines on the LAN.

seventy-four。 Ruserd: remote user location service, a RPC-based service that provides information about users currently recorded in a machine log on LAN

seventy-five。 Rwalld: activate the rpc.rwall service process, a RPC-based service that allows users to write messages to each other terminal registered to the LAN machine.

seventy-six。 Rwhod: activates the rwhod service process, which supports LAN's rwho and ruptime services.

seventy-seven。 Saslauthd: the authentication daemon that uses SASL.

seventy-eight。 Sendmail: the mail server sendmail daemon.

seventy-nine。 The smb:Samba file sharing / printing service daemon.

eighty。 Snmpd: the local simple network management daemon.

eighty-one。 Squid: proxy server squid daemon.

eighty-two。 The sshd:OpenSSH server daemon. Secure Shell Protocol enables remote management of hosts securely.

eighty-three。 Smartd:Self Monitor Analysis and Reporting Technology System, monitor your hard drive for failure.

eighty-four。 Syslog: a script that allows the system to start the syslog and klogd Syslog waiting processes when booting.

eighty-five。 Time: this daemon gets the time and date from the remote host, using the TCP protocol.

eighty-six。 Time-udp: this daemon gets the time and date from the remote host, using the UDP protocol.

eighty-seven。 Tux: the daemon that runs the apache server in the Linux kernel.

eighty-eight。 The daemon for the vsftpd:vsftpd server.

eighty-nine。 Vncserver: VNC (Virtual Network Computing, virtual network computing).

ninety。 The xfs:X Window font server daemon, which provides font sets for local and remote X servers.

ninety-one。 Xinetd: a core daemon that supports multiple network services.

ninety-two。 Ypbind: activate the ypbind service process for NIS (Network Information system) clients.

ninety-three。 The yppasswdd:NIS password server daemon.

ninety-four。 The ypserv:NIS master server daemon.

ninety-five。 Yum:RPM operating system automatic upgrade and package management daemon.

You can feel whether to start a certain department service or not according to your needs. For example, u, iptables, etc., must be run. Echo, echo-udp, daytime, daytime-udp, chargen, chargen-udp can be turned off for debugging. Rsh, rstatd, rsync, rusersd, rwalld are all Berkley remote commands because they all start with the letter r, so they are called r* commands. It is mainly used to enable a user on one computer to remotely execute a program on another computer with the same account, without being able to shut down to reduce hidden dangers. Innd is a process that runs the newsgroup service. Do not shut it down.

The answer to the question on how to introduce the Linux system service is shared here. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel for more related knowledge.

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