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