source: basicnet/djb/daemontools/daemontools-desc.xml@ 126cdcd7

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Last change on this file since 126cdcd7 was 5e18c49c, checked in by Larry Lawrence <larry@…>, 19 years ago

compound word edits, a2ps expanded intro

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@1303 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<sect2>
2<title>Contents</title>
3
4<para>The daemontools package contains
5<command>svscanboot</command>, <command>svscan</command>,
6<command>supervise</command>, <command>svc</command>,
7<command>svok</command>, <command>svstat</command>,
8<command>fghack</command>, <command>pgrphack</command>,
9<command>readproctitle</command>, <command>multilog</command>,
10<command>tai64n</command>, <command>tai64nlocal</command>,
11<command>setuidgid</command>, <command>envuidgid</command>,
12<command>envdir</command>, <command>softlimit</command> and
13<command>setlock</command>. More detailed descriptions of these
14commands may be found at <ulink url="http://cr.yp.to/daemontools.html"/>.</para>
15
16</sect2>
17
18<sect2><title>Description</title>
19
20<sect3><title>svscanboot</title>
21<para><command>svscanboot</command> is simply a script that calls
22<command>svscan</command> and pipes its output to readproctitle.</para></sect3>
23
24<sect3><title>svscan</title>
25<para><command>svscan</command> checks the <filename>service</filename>
26directory for daemons to run and starts a <command>supervise</command> process
27for each run script that it finds.</para></sect3>
28
29<sect3><title>supervise</title>
30<para><command>supervise</command> runs the run script passed to it by
31<command>svscan</command> and monitors the process the script starts so that
32if it dies, <command>supervise</command> restarts it.</para></sect3>
33
34<sect3><title>svc</title>
35<para><command>svc</command> sends signals to processes being run under
36<command>supervise</command>.
37</para></sect3>
38
39<sect3><title>svok</title>
40<para><command>svok</command> checks to see that
41<command>supervise</command> is running in the directory
42passed to it.</para></sect3>
43
44<sect3><title>svstat</title>
45<para><command>svstat</command> prints the status of processes monitored by
46<command>supervise</command>.</para></sect3>
47
48<sect3><title>fghack</title>
49<para><command>fghack</command> prevents processes from putting themselves into
50the background.</para></sect3>
51
52<sect3><title>pgrphack</title>
53<para><command>pgrphack</command> runs a process in a separate process group.
54</para></sect3>
55
56<sect3><title>readproctitle</title>
57<para><command>readproctitle</command> displays log entries in the output of
58<command>ps</command>.
59</para></sect3>
60
61<sect3><title>multilog</title>
62<para><command>multilog</command> is a logging program. It takes output from a
63daemon and appends it to any number of logs.</para></sect3>
64
65<sect3><title>tai64n</title>
66<para><command>tai64n</command> is a timestamp generating program.</para>
67</sect3>
68
69<sect3><title>tai64nlocal</title>
70<para><command>tai64nlocal</command> converts output of tai64n into a human
71readable format.</para></sect3>
72
73<sect3><title>setuidgid</title>
74<para><command>setuidgid</command> runs a specified program under a given
75account's <acronym>UID</acronym> and <acronym>GID</acronym>.</para></sect3>
76
77<sect3><title>envuidgid</title>
78<para><command>envuidgid</command> performs the same function as setuidgid,
79but sets environment variables <envar>UID</envar> and <envar>GID</envar> equal
80to the <acronym>UID</acronym> and <acronym>GID</acronym> of the account specified.</para></sect3>
81
82<sect3><title>envdir</title>
83<para><command>envdir</command> runs a given program with environment variables
84specified by files in a directory.</para></sect3>
85
86<sect3><title>softlimit</title>
87<para><command>softlimit</command> allows resource limits to be set for a given
88program.</para></sect3>
89
90<sect3><title>setlock</title>
91<para><command>setlock</command> locks a file and runs a program.</para></sect3>
92
93</sect2>
94
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