Useful and ready-to-use daemons
In a GNU/Linux system, (in general, a Unix system), there exists a lot of ready-to-use daemons used to do real common tasks. The most notable are:
- Apache and other similar tools: These are the Hypertext Transfer Protocol (HTTP) server daemons
- atd and crond: These are the task scheduler daemons
- inetd and xinetd: These are the Internet super server daemons
- named/bind and other similar tools: These are the Domain Name System (DNS) server daemons
- nfsd, lockd, mountd, and statd: These are the Network File System (NFS) daemon and support daemons
- ntpd: This is the Network Time Protocol (NTP) service daemon
- portmap and rpcbind: These are SunRPC port mappers
- mysqld, postgresql, and other similar tools: These are the database server daemons
- sendmail, exim, postfix, and other similar tools: These are mail transfer agent daemons
- snmpd: This is the simple network management protocol daemon
- syslogd and other similar tools: These are the system logging daemons
- systemd: This is the...