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<HTML><HEAD>
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<TITLE>Administration Reference</TITLE>
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<A NAME="Top_Of_Page"></A>
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<H1>Administration Reference</H1>
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<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf123.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Bot_Of_Page"><IMG SRC="../bot.gif" BORDER="0" ALT="[Bottom of Topic]"></A> <A HREF="auarf125.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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<P>
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<H2><A NAME="HDRBOSSERVER" HREF="auarf002.htm#ToC_138">bosserver</A></H2>
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<A NAME="IDX4680"></A>
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<A NAME="IDX4681"></A>
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<A NAME="IDX4682"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Initializes the BOS Server
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>bosserver</B> [<B>-noauth</B>] [<B>-log</B>] [<B>-enable_peer_stats</B>] [<B>-enable_process_stats</B>]
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[<B>-help</B>]
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</PRE>
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<P>This command does not use the syntax conventions of the AFS command
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suites. Provide the command name and all option names in full.
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<P><STRONG>Description</STRONG>
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<P>The <B>bosserver</B> command initializes the Basic OverSeer (BOS)
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Server (<B>bosserver</B> process). In the conventional
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configuration, the binary file is located in the <B>/usr/afs/bin</B>
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directory on a file server machine.
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<P>The BOS Server must run on every file server machine and helps to automate
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file server administration by performing the following tasks:
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<UL>
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<P><LI>Monitors the other AFS server processes on the local machine, to make sure
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they are running correctly.
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<P><LI>Automatically restarts failed processes, without contacting a human
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operator. When restarting multiple server processes simultaneously, the
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BOS Server takes interdependencies into account and initiates restarts in the
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correct order.
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<A NAME="IDX4683"></A>
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<A NAME="IDX4684"></A>
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<P><LI>Processes commands from the <B>bos</B> suite that administrators issue
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to verify the status of server processes, install and start new processes,
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stop processes either temporarily or permanently, and restart halted
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processes.
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<P><LI>Manages system configuration information: the files that list the
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cell's server encryption keys, database server machines, and users
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privileged to issue commands from the <B>bos</B> and <B>vos</B>
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suites.
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</UL>
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<P>The BOS Server logs a default set of important events in the file
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<B>/usr/afs/logs/BosLog</B>. To record the name of any user who
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performs a privileged <B>bos</B> command (one that requires being listed
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in the <B>/usr/afs/etc/UserList</B> file), add the <B>-log</B>
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flag. To display the contents of the <B>BosLog</B> file, use the
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<B>bos getlog</B> command.
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<P>The first time that the BOS Server initializes on a server machine, it
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creates several files and subdirectories in the local <B>/usr/afs</B>
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directory, and sets their mode bits to protect them from unauthorized
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access. Each time it restarts, it checks that the mode bits still
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comply with the settings listed in the following chart. A question mark
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indicates that the BOS Server initially turns off the bit (sets it to the
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hyphen), but does not check it at restart.
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<BR>
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<TABLE WIDTH="100%">
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<TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwxr</TT>?<TT>xr-x</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/backup</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwx</TT>???<TT>---</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/bin</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwxr</TT>?<TT>xr-x</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/db</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwx</TT>???<TT>---</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/etc</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwxr</TT>?<TT>xr-x</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/etc/KeyFile</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>-rw</TT>????<TT>---</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/etc/UserList</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>-rw</TT>?????<TT>--</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/local</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwx</TT>???<TT>---</TT>
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</TD></TR><TR>
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<TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><B>/usr/afs/logs</B>
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</TD><TD ALIGN="LEFT" VALIGN="TOP" WIDTH="50%"><TT>drwxr</TT>?<TT>xr-x</TT>
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</TD></TR></TABLE>
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<P>If the mode bits do not comply, the BOS Server writes the following warning
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to the <B>BosLog</B> file:
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<PRE> Bosserver reports inappropriate access on server directories
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</PRE>
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<P>However, the BOS Server does not reset the mode bits, so the administrator
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can set them to alternate values if desired (with the understanding that the
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warning message then appears at startup).
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-noauth
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</B><DD>Assigns the unprivileged identity <B>anonymous</B> to the issuer,
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which is useful only when authorization checking is disabled on the server
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machine (for instance, during the installation of a file server
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machine.)
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<P><DT><B>-log
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</B><DD>Records in the <B>/usr/afs/logs/BosLog</B> file the names of all users
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who successfully issue a privileged <B>bos</B> command (one that requires
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being listed in the <B>/usr/afs/etc/UserList</B> file).
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<P><DT><B>-enable_peer_stats
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</B><DD>Activates the collection of Rx statistics and allocates memory for their
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storage. For each connection with a specific UDP port on another
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machine, a separate record is kept for each type of RPC (FetchFile, GetStatus,
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and so on) sent or received. To display or otherwise access the
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records, use the Rx Monitoring API.
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<P><DT><B>-enable_process_stats
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</B><DD>Activates the collection of Rx statistics and allocates memory for their
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storage. A separate record is kept for each type of RPC (FetchFile,
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GetStatus, and so on) sent or received, aggregated over all connections to
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other machines. To display or otherwise access the records, use the Rx
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Monitoring API.
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<P><DT><B>-help
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</B><DD>Prints the online help for this command. All other valid options
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are ignored.
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</DL>
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<P><STRONG>Examples</STRONG>
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<P>The following command initializes the BOS Server and logs the names of
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users who issue privileged <B>bos</B> commands.
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<PRE> % <B>bosserver -log &</B>
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</PRE>
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<P><STRONG>Privilege Required</STRONG>
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<P>The issuer most be logged onto a file server machine as the local superuser
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<B>root</B>.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf016.htm#HDRBOSCONFIG">BosConfig</A>
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<P><A HREF="auarf015.htm#HDRBOSLOG">BosLog</A>
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<P><A HREF="auarf093.htm#HDRBOS_INTRO">bos</A>
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<P><A HREF="auarf098.htm#HDRBOS_CREATE">bos create</A>
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<P><A HREF="auarf100.htm#HDRBOS_EXEC">bos exec</A>
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<P><A HREF="auarf102.htm#HDRBOS_GETLOG">bos getlog</A>
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<P><A HREF="auarf103.htm#HDRBOS_GETRESTART">bos getrestart</A>
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<P><A HREF="auarf113.htm#HDRBOS_RESTART">bos restart</A>
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<P><A HREF="auarf118.htm#HDRBOS_SHUTDOWN">bos shutdown</A>
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<P><A HREF="auarf119.htm#HDRBOS_START">bos start</A>
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<P><A HREF="auarf120.htm#HDRBOS_STARTUP">bos startup</A>
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<P><A HREF="auarf121.htm#HDRBOS_STATUS">bos status</A>
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<P><A HREF="auarf122.htm#HDRBOS_STOP">bos stop</A>
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<P>
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<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf123.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Top_Of_Page"><IMG SRC="../top.gif" BORDER="0" ALT="[Top of Topic]"></A> <A HREF="auarf125.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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