125 lines
8.9 KiB
HTML
125 lines
8.9 KiB
HTML
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<meta name="dc.date" scheme="iso8601" content="2005-09-13" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<title>Guidelines for submitting remote commands</title>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzahqremotecmdguidelines"></a>
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<h3 id="rzahqremotecmdguidelines">Guidelines for submitting remote commands</h3>
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<p>To remotely submit integrated Windows server commands, keep these guidelines
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in mind:</p>
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<p><span class="bold">Note:</span> Many of the SBMNWSCMD parameters discussed
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in this section are not available when running Windows commands by using iSeries™ Navigator. If you need to use a parameter that iSeries Navigator
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does not support, then you must use Submit Network Server Command (SBMNWSCMD)
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directly.</p>
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<ul>
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<li>The requested command is run under the Windows console command "cmd.exe."
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SBMNWSCMD will not return control to its caller until the command has finished
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running on Windows and the cmd.exe program terminates.</li>
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<li>The authentication domain field of SBMNWSCMD indicates the Windows domain
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where your user ID is to be authenticated. The default, *PRIMARY, logs on
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to the primary domain of the server, if the server is a domain member. *LOCAL
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logs on to the server itself. The name of a trusted domain may also be specified.</li>
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<li>The QSECOFR user profile is handled differently than all other user profiles.
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User authentication is not performed on Windows when SBMNWSCMD is run by the
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QSECOFR profile. The requested Windows command is run under the Windows Local
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System Account. The Local System Account is used even if the QSECOFR profile
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is enrolled. The Local System Account does not have a password and lacks network
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access rights.</li>
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<li>Do not use the "/u" parameter with the Windows "cmd" command.</li>
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<li>SBMNWSCMD has limited support of Kerberos v5 authentication. Kerberos
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will only be used when the LCLPWDMGT user profile attribute is *NO. See <a href="rzahqsbmnwscmdandkerberos.htm#rzahqsbmnwscmdandkerberos">SBMNWSCMD and file level backup support for Kerberos v5 and EIM</a>.</li>
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<li>The Remote Command service and SBMNWSCMD are able to distinguish between
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ASCII multi-byte and unicode output data and convert them as appropriate.</li>
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<li>You can combine integrated Windows server commands into a single command
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string by using features of the Windows "cmd.exe" command interpreter. For
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example, on the SBMNWSCMD command line, you can enter <tt>net statistics workstation && net statistics server</tt> to collect
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statistics. However, commands that you combine in a single SBMNWSCMD request
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should not return mixed data (for example, a combination of ASCII and Unicode
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data), or data in mixed codesets. If the commands return different types of
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data, SBMNWSCMD may end abnormally with a message which indicates "a problem
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occurred in the data output conversion." In that case, run the commands separately.</li>
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<li>Do not use characters that are not normally available from the integrated
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server keyboard. In rare cases, an EBCDIC character in the active jobs coded
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character set may not have an equivalent in the active code page on Windows.
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Each different Windows application will give different conversion results.</li>
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<li>The Submit Network Server Command does not completely initialize your
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logon environment. The user's environment variables are set, but may not
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be completely equal to those provided by an interactive logon. Thus, environmental
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variables that an interactive logon normally sets to user-specific values
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may not exist or may be set to system default values. Any scripts or applications
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that rely on user-specific environmental variables may not operate correctly.</li>
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<li>If the home directory for your user ID on the integrated server is mounted
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on the local server, the Submit Network Server Command sets the current directory
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to your home directory. Otherwise, it tries to use /home/default or the local
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system drive.</li>
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<li><img src="delta.gif" alt="Start of change" />If the Load User Profile (LODUSRPRF) keyword is *YES, and if
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a user profile exists, SBMNWSCMD will attempt to load your Windows profile.
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You can then use commands that use or alter profile dependencies. However,
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there is no indication of profile load failures, beyond event log messages
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that may be produced by Windows. A windows profile can only be active in one
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Windows Logon session.<img src="deltaend.gif" alt="End of change" /></li>
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<li>You can use SBMNWSCMD to run integrated server applications as long as
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they do not require user intervention. The commands run in a background window,
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not on the integrated server console. If an application requests user intervention,
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such as popping up a message window, then SBMNWSCMD will hang, waiting for
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the command to complete - but no intervention is possible. If you end SBMNWSCMD
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on i5/OS™, it will attempt to end the hung Windows command. The background
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command stops whether GUI or console based.</li>
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<li>You can also run commands that require a <span class="bold">yes</span> or <span class="bold"> no</span> reply to proceed. You do this by using input pipe syntax
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to provide the response. For example, <tt>echo y|format
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f: /fs:ntfs</tt> will let the format proceed after the <span class="bold">Proceed with Format</span> question raised by the format command. Note that
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the "y" and the pipe symbol "|" do not have a space between them. However,
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not all Windows batch commands support the piping of input (for example,
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the "net" command). Attempts to pass a default response may not be possible.</li>
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<li>You can prevent SBMNWSCMD from logging the command. If the command string
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contains sensitive data, such as passwords, that you do not want logged in
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error messages, do the following steps:
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<ol type="1">
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<li>Specify <tt>*NOLOGCMD</tt> as the command string.</li>
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<li>When the <tt>Command (not logged)</tt> field appears,
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enter the command to run in this field.</li></ol> Note, however, that the *NOLOGCMD option does not affect data that the
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command returns. If the command returns sensitive data, you can use the command
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standard output (CMDSTDOUT) parameter to store the output in a secure location,
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such as an integrated file system file.</li>
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<li>You can direct standard output from the command to your job log (<tt>*JOBLOG</tt>), to a spool file (<tt>*PRINT</tt>), or to an integrated file system (IFS) object. Standard error
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data always goes to the job log.
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<p>When you specify *PRINT, the Work with
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Spool File (WRKSPLF) display shows SBMNWSCMD in the User Data field for the
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spooled file. If you select option 8 to display the attributes, the names
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of the specified integrated server and Windows command appear in the user-defined
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data field.</p>
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<p>When you specify an integrated file system object, the path
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name must already exist. If the integrated file system object name does not
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exist, SBMNWSCMD creates it.</p></li>
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<li>In the <tt>Convert standard output</tt> field, you
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can specify (<tt>*YES</tt>) to convert output from the
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Windows code set to the coded character set identifier (CCSID) of the i5/OS job.
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<p>New IFS files will be created with the job CCSID. Output directed
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to an existing IFS object is converted to the IFS object CCSID. Output directed
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to a new member of an existing file in the <tt>/QSYS.LIB</tt> file system is converted to the existing file CCSID.</p></li>
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<li><img src="delta.gif" alt="Start of change" />If Convert standard output is (*NO), the Windows standard output
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will be written to the IFS object, or spool file, with CCSID conversion.<img src="deltaend.gif" alt="End of change" /></li></ul>
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