Disable unnecessary services in Linux

Article Title: disable unnecessary services in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

Chkconfig -- list display.

Chkconfig [service] off closes one of the services.

The name of the waiting process.

Amd: automatically installs NFS (Network File System) Guard processes.

Apmd: advanced power management.

Arpwatch: records logs and constructs an ethernet address and IP address pair database seen on the LAN interface.

Autofs: Automatic Installation of the management process automount, which is related to NFS and relies on NIS.

Bootparamd: boot parameter server that provides information required for booting a diskless workstation on the LAN.

Crond: scheduled tasks in Linux.

Dhcpd: Start a DHCP (Dynamic IP Address Allocation) server.

Gated: waiting for the gateway route. Use the dynamic OSPF route selection protocol.

Httpd: WEB server.

Inetd: supports core waiting programs for multiple network services.

Innd: Usenet news server.

Linuxconf: allows you to use a local WEB server as a user interface to configure machines.

Lpd: Print Server.

Mars-nwe: the mars-nwe file and the printing server for Novell.

Mcserv: Midnight command file server.

Named: DNS server.

Netfs: Install NFS, Samba, and NetWare network file systems.

Network: Activate the script program with configured network interfaces.

Nfs: Enable the NFS service.

Nscd: nscd (Name Switch Cache daemon) server, used for a support service of NIS. It caches user passwords and forms member relationships at a high speed.

Portmap: RPC portmap manager, similar to inetd, manages RPC-based connections.

Postgresql: An SQL database server.

Routed: Route waiting process. Use Dynamic RIP routing to select the protocol.

Rstatd: A waiting program for other machines on the LAN to collect and provide system information.

Ruserd: remote user location service, an RPC-based service that provides user information about a machine log currently recorded on the LAN.

Rwalld: activates the rpc. rwall service process, which is an RPC-based service that allows users to write messages to each terminal registered to the LAN machine.

Rwhod: activates the rwhod service process. It supports rwho and ruptime services of the LAN.

Sendmail: The Mail Server sendmail.

Smb: Samba file sharing/printing service.

Snmpd: processes are managed on a local simple network.

Squid: Activate the proxy server squid.

Syslog: a script that enables syslog and klogd system logs to wait for processes during system boot.

Xfs: X Window server, which provides a font set for local and remote X servers.

Xntpd: Network Time Server.

Ypbind: activates the ypbind service process for the NIS (Network Information System) client.

Yppasswdd: NIS Password server.

Ypserv: NIS master server.

Gpm: Specifies the mouse.

Identd: AUTH service, which is similar to finger in providing user information.