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> BosConfig(5)
> BosLog(5)
> bos(8)
> bos_create(8)
> bos_exec(8)
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bosserver

man page of bosserver

bosserver: Initializes the BOS Server

NAME

bosserver - Initializes the BOS Server

SYNOPSIS

bosserver [-noauth] [-log] [-enable_peer_stats] [-auditlog <log path>] [-audit-interface (file | sysvmq)] [-enable_process_stats] [-allow-dotted-principals] [-cores=(none|<path>)] [-restricted] [-help]

DESCRIPTION

The bosserver command initializes the Basic OverSeer (BOS) Server (bosserver process). In the conventional configuration, the binary file is located in the /usr/lib/openafs directory on a file server machine. The BOS Server must run on every file server machine and helps to automate file server administration by performing the following tasks: o Monitors the other AFS server processes on the local machine, to make sure they are running correctly. o Automatically restarts failed processes, without contacting a human operator. When restarting multiple server processes simultaneously, the BOS Server takes interdependencies into account and initiates restarts in the correct order. o Processes commands from the bos suite that administrators issue to verify the status of server processes, install and start new processes, stop processes either temporarily or permanently, and restart halted processes. o Manages system configuration information: the files that list the cell's server encryption keys, database server machines, and users privileged to issue commands from the bos and vos suites. The BOS Server is configured via the BosConfig configuration file. Normally, this file is managed via the bos command suite rather than edited directly. See the BosConfig(5) man page for the syntax of this file. The BOS Server will rewrite BosConfig when shutting down, so changes made manually to it will be discarded. Instead, to change the BOS Server configuration only for the next restart of bosserver, create a file named /etc/openafs/BosConfig.new. If BosConfig.new exists when bosserver starts, it is renamed to /etc/openafs/BosConfig, removing any existing file by that name, before bosserver reads its configuration. The BOS Server logs a default set of important events in the file /var/log/openafs/BosLog. To record the name of any user who performs a privileged bos command (one that requires being listed in the /etc/openafs/server/UserList file), add the -log flag. To display the contents of the BosLog file, use the bos getlog command. The first time that the BOS Server initializes on a server machine, it creates several files and subdirectories in the local /usr/afs directory, and sets their mode bits to protect them from unauthorized access. Each time it restarts, it checks that the mode bits still comply with the settings listed in the following chart. A question mark indicates that the BOS Server initially turns off the bit (sets it to the hyphen), but does not check it at restart. /usr/afs drwxr?xr-x /var/lib/openafs/backup drwx???--- /usr/lib/openafs drwxr?xr-x /var/lib/openafs/db drwx???--- /etc/openafs/server drwxr?xr-x /etc/openafs/server/KeyFile -rw????--- /etc/openafs/server/UserList -rw?????-- /var/lib/openafs/local drwx???--- /var/log/openafs drwxr?xr-x If the mode bits do not comply, the BOS Server writes the following warning to the BosLog file: Bosserver reports inappropriate access on server directories However, the BOS Server does not reset the mode bits, so the administrator can set them to alternate values if desired (with the understanding that the warning message then appears at startup). This command does not use the syntax conventions of the AFS command suites. Provide the command name and all option names in full.

OPTIONS

-noauth Assigns the unprivileged identity "anonymous" to the issuer, which is useful only when authorization checking is disabled on the server machine (for instance, during the installation of a file server machine.) -log Records in the /var/log/openafs/BosLog file the names of all users who successfully issue a privileged bos command (one that requires being listed in the /etc/openafs/server/UserList file). -cores=none|<path> The argument none turns off core file generation. Otherwise, the argument is a path where core files will be stored. -auditlog <log path> Turns on audit logging, and sets the path for the audit log. The audit log records information about RPC calls, including the name of the RPC call, the host that submitted the call, the authenticated entity (user) that issued the call, the parameters for the call, and if the call succeeded or failed. -audit-interface (file | sysvmq) Specifies what audit interface to use. Defaults to "file". See fileserver(8) for an explanation of each interface. -enable_peer_stats Activates the collection of Rx statistics and allocates memory for their storage. For each connection with a specific UDP port on another machine, a separate record is kept for each type of RPC (FetchFile, GetStatus, and so on) sent or received. To display or otherwise access the records, use the Rx Monitoring API. -enable_process_stats Activates the collection of Rx statistics and allocates memory for their storage. A separate record is kept for each type of RPC (FetchFile, GetStatus, and so on) sent or received, aggregated over all connections to other machines. To display or otherwise access the records, use the Rx Monitoring API. -allow-dotted-principals By default, the RXKAD security layer will disallow access by Kerberos principals with a dot in the first component of their name. This is to avoid the confusion where principals user/admin and user.admin are both mapped to the user.admin PTS entry. Sites whose Kerberos realms don't have these collisions between principal names may disable this check by starting the server with this option. -restricted In normal operation, the bos server allows a super user to run any command. When the bos server is running in restricted mode (either due to this command line flag, or when configured by bos_setrestricted(8)) a number of commands are unavailable. Note that this flag persists across reboots. Once a server has been placed in restricted mode, it can only be opened up by sending the SIGFPE signal. -help Prints the online help for this command. All other valid options are ignored.
EXAMPLES
The following command initializes the BOS Server and logs the names of users who issue privileged bos commands. % bosserver -log &
PRIVILEGE REQUIRED
The issuer most be logged onto a file server machine as the local superuser "root".

SEE ALSO

BosConfig(5), BosLog(5), bos(8), bos_create(8), bos_exec(8), bos_getlog(8), bos_getrestart(8), bos_restart(8), bos_setrestricted(8), bos_shutdown(8), bos_start(8), bos_startup(8), bos_status(8), bos_stop(8)

COPYRIGHT

IBM Corporation 2000. <//www.ibm.com/> All Rights Reserved. This documentation is covered by the IBM Public License Version 1.0. It was converted from HTML to POD by software written by Chas Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. BOSSERVER(8)
 
 
 

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