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What is the technical difference between a daemon, a service and a . . . A daemon is a background, non-interactive program It is detached from the keyboard and display of any interactive user The word daemon for denoting a background program is from the Unix culture; it is not universal A service is a program which responds to requests from other programs over some inter-process communication mechanism (usually over a network) A service is what a server
services - What is a Daemon? - Ask Ubuntu In short, a Daemon is a background process Daemons can just be normal programs that run in the background, however most are created by starting a process, forking it and exiting the parent To fork a process means to create an exact copy of it The parent of that process, if the real parent terminates right away, is now the init process at sbin init, which is the first thing started on every
meaning - What is the difference between daemon and demon in a . . . The OED writes that daemon is simply an alternate spelling for demon However, Wikipedia writes that the two are subtly different: The words daemon and daimon are Latinized spellings of the Greek δαίμων (daimôn), a reference to the daemons of Ancient Greek religion and mythology, Hellenistic religion and philosophy [1] Daemons are good or benevolent "supernatural beings between mortals
What is the origin of daemon with regards to computing? The history also notes that Professor Saltzer, who also worked on Project MAC with Professor Corbato at the time "daemon" came into use for this purpose, confirms that this is the origin of daemon as it is used in computing
How do I setup a local NTP server? - Ask Ubuntu Install the NTP daemon First, install the NTP daemon (ntpd): sudo aptitude install ntpd As was previously mentioned, ntpd can act both as a client (synchronizing your system time) and as a server (providing accurate time for other machines) Optionally, you may also want to remove the previous (deprecated) time synchronization program, ntpdate
22. 04 - Dependency failed for SSSD - Ask Ubuntu When I booted my system today, I got the following error messages: Jan 07 19:38:25 ubuntu20 systemd [1]: Condition check resulted in System Security Services Daemon being skipped