1 / 10

Cosc 4750

Cosc 4750. Chapter 28: Daemons. Daemons. Used by Mick Bailey, a British gentleman, during the 60s Daemon an older from of demon A attendant spirit that influences one’s character or personality, neither good nor evil. Creatures with independent thought and will. “Super Daemon”.

farhani
Download Presentation

Cosc 4750

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Cosc 4750 Chapter 28: Daemons

  2. Daemons • Used by Mick Bailey, a British gentleman, during the 60s • Daemon an older from of demon • A attendant spirit that influences one’s character or personality, neither good nor evil. Creatures with independent thought and will.

  3. “Super Daemon” • inetd: manages all of the other daemons • replaced by Xinetd in current linux versions. • controls which answers on varying ports on a UNIX machine, uses /etc/inetd.conf • ports are managed by the portmap daemon, with config file /etc/services

  4. Xinetd Daemon • Uses /etc/xinetd.conf file and /etc/xinetd.d directory for separate config for the daemons. • Allows for better and more control over the daemons. • Easy to configure for "tcp wrappers" • installed by default with linux.

  5. System Daemons • paging daemons • pageout (solaris) vhand (hp-ux and sgi), kpiod (redhat) and pagedaemon (freeBSD) • swapping daemons • swapper (freeBSD) and kswapd (linux) • Print daemons • lpd (bsd style printing), lpsched (sysV) • logging daemons • klogd for the kernel messages • syslogd for system messages

  6. NFS • nfsd (or rpc.nfsd), nfslockd (or lockd), statd, mountd (used in conjunction with NFS), rpciod (nfs cache daemon [biod or nfsiod on other systems]) • automouting: amd and automount • NIS daemons • ypbind, ypserv, ypxfrd, and rpc.nisd (for nis+) • Samba • smbd (file and printer server), nmbd (NetBios process for windows machines for browsing other things)

  7. Internet Daemons • talkd: network chat service • sendmail: e-mail daemon • ftpd, wu_ftpd: ftp daemon • popper: (or varying names of pop) pop daemons • imapd: deluxe mailbox server • rlogind: remote login server • telnetd: telnet login server • sshd: secure login server

  8. rexecd, rshd, rpc.rexd: remote command execution servers • routed, gated: route table daemons • named: DNS server • syslogd: process log messages • fingerd: server side of finger command • httpd: web server

  9. timed, xntpd: synchronize clock daemons • bootpd: bootp server • tftpd: trivial file transfer server • rapd: map Ethernet address to IP addresses • dhcpd: dynamic address assignment server • dhcpc: dhcp client process. • smbd, nmbd: samba daemons • And many more, user compiled or vender dependent daemons.

  10. Q A &

More Related