84 lines
3 KiB
Text
84 lines
3 KiB
Text
cinit - Daemons backgrounding
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=============================
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Nico Schottelius <nico-cinit==@==schottelius.org>
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0.1, for cinit 0.3, Initial versinon from 2005-06-12
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This document describes the backgrounding process and how to disable it.
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Definition
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-----------
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A daemon is a program which runs in the background.
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Running in the background means you cannot access the process
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directly (like you can press a key in a shell).
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Daemons and cinit
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------------------
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cinit normally watches system services and restarts them
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(`respawn` flag in the configuration). If the process goes to background,
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cinit cannot control it directly anymore.
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List of daemons and non-forking parameters
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-------------------------------------------
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The following daemons / servers are known to avoid backgrounding easily:
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- acpid [x86 power management]: -f (undocumentated but works)
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- apache [webserver]: -DFOREGROUND
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- asterisk [pbx]: -f
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- bind [dns server/caching]: -f
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- cardmgr [pcmcia/cardbus]: -f
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- cron (vixie) [schedular]: -f
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- cupsd [printer server]: -f or -F
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- dhclient [dhcp client]: -d
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- dhcp3 (isc) [dhcp server]: -f
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- distccd [compile server]: normal behaviour
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- dnsmasq [dhcp/tfpt/dns]: -k
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- dovecot [imap/pop3 server]: -F
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- fam [file alteration monitor]:-f
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- fcron [schedular]: -f
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- frox [ftp proxy]: "NoDetach" in config
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- freeradius [radiusd]: -f
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- gdm [display manager]: -nodaemon
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- hybrid [irc server]: -foreground
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- icecast2 [sound streamer]: normal behaviour
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- mini-lpd [printer server]: normal behaviour
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- metalog [log server]: normal behaviour
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- monotone [vcs]: normal behaviour
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- mpd [music server]: --no-daemon
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- nessusd ["security server"]: normal behaviour
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- ntpd [time server]: -n
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- nylon [socks proxy]: -f (prints output to terminal)
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- oidentd [identd server]: -i
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- oops [http proxy]: normal behaviour
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- openpbx [pbx]: -f
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- openssh [ssh server]: -D
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- openvpn [vpn server]: normal behaviour
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- pbbuttonsd [power management]:normal behaviour
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- portmap [portmapper]: -f
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- proftpd [ftp server]: -n
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- qmail [mta]: normal behaviour
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- rsync ["file server"]: --no-detach
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- silcd ["secure chat server"]: -F, --foreground
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- slapd [ldap]: -d
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- snmpd [snmp daemon]: -f
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- stunnel [ssl wrapper]: "foreground = yes" in config
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- svnserve [vcs]: --foreground
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- syslogd [log server]: -n
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- syslog-ng [log server]: -F
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- tcpserver [super server]: normal behaviour
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- udhcpc [dhcp client]: normal behaviour
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- vsftpd [ftp server]: normal behaviour (or: config: background=no)
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- xinetd [super server]: -dontfork
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Problematic daemons
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-------------------
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Those are the daemons that do not offer the possibility (as of release 0.2):
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- atd (no switch, no configuraton option)
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- inetd (some variants)
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- nscd (no switch, no configuraton option)
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