Post-Install Optimizations - Revision history

PoC: /* Security System Values */ Typo

2026-09-03T16:23:04Z

Security System Values: Typo

← Older revision		Revision as of 18:23, 3 September 2026
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	* For TCP connections to work, we need encrypted passwords.		* For TCP connections to work, we need encrypted passwords.
	CHGDDMTCPA PWDRQD(*ENCRYPTED)		CHGDDMTCPA PWDRQD(*ENCRYPTED)
	* Allow ''QSYSOPR'' ~~signon~~ to all devices.		* Allow ''QSYSOPR'' sign-on to all devices.
	CHGSYSVAL SYSVAL(QLMTSECOFR) VALUE('0')		CHGSYSVAL SYSVAL(QLMTSECOFR) VALUE('0')
	* Raise maximum password length to maximum value.<ref>In newer OS versions, an additional variable ''QPWDLVL'' allows even longer passwords.</ref>		* Raise maximum password length to maximum value.<ref>In newer OS versions, an additional variable ''QPWDLVL'' allows even longer passwords.</ref>

PoC: PTF handling

2026-08-22T16:02:13Z

PTF handling

@@ Line 180: / Line 180: @@
   ADDJOBSCDE JOB(RTVDSKINF) CMD(RTVDSKINF) FRQ(*MONTHLY) SCDDATE(*MONTHSTR) SCDDAY(*NONE) SCDTIME('13:34:00') MSGQ(*LIBL/QSYSOPR) TEXT('Retrieve disk space stats')
   ADDJOBSCDE JOB(QPGMRCLR) CMD(CLRMSGQ MSGQ(QPGMR) CLEAR(*KEEPUNANS)) FRQ(*WEEKLY) SCDDATE(*NONE) SCDDAY(*ALL) SCDTIME('07:07:07') RCYACN(*NOSBM) MSGQ(*NONE) TEXT('Delete uninteresting messages')
 == Re-Enable InfoSeeker ==

PoC: /* Housekeeping */ Short cut

2026-08-22T14:29:41Z

Housekeeping: Short cut

← Older revision		Revision as of 16:29, 22 August 2026
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	CHGSMTPA AUTOSTART(*NO)		CHGSMTPA AUTOSTART(*NO)

	You can easily check all settings at once by using <code>~~STRDFU OPTION(5)~~</code> ~~on the file ''QUSRSYS/QATOCSTART''~~. These are not needed in general~~. Depending on OS version, not all entries may be available~~.		You can easily check all settings at once by using <code>UPDDTA QUSRSYS/QATOCSTART</code>. These are not needed in general.
	* *DIRSRV		* *DIRSRV
	* *NETSVR		* *NETSVR
	* *SLP		* *SLP

			Depending on OS version, not all entries may be available.

	=== Change uninstalled programs to not run ===		=== Change uninstalled programs to not run ===

PoC: /* Change Program Defaults */ Secondary Language

2026-08-05T23:58:16Z

Change Program Defaults: Secondary Language

← Older revision		Revision as of 01:58, 6 August 2026
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	CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')		CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')

	Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.		Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values. Also note, hat installing a secondary language on a system also installs a separate set of <code>*cmd</code> objects for that language. You may want to apply the defaults with qualified object names to these, too.

	== Regular Cleanup jobs ==		== Regular Cleanup jobs ==

PoC: Undo revision 1586 by PoC (talk): Doesn't work in context.

2025-10-28T09:50:55Z

Undo revision 1586 by PoC (talk): Doesn't work in context.

← Older revision		Revision as of 11:50, 28 October 2025
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	* Don't waste time displaying a not so very much interesting screen prior to connection.		* Don't waste time displaying a not so very much interesting screen prior to connection.
	CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')		CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')
	* Send spooled output to what's defined in the job description instead of what's currently defined.
	~~CHGCMDDFT CMD(SBMJOB) NEWDFT('PRTDEV(JOBD) OUTQ(JOBD)')~~

	Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.		Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.

PoC: /* Change Program Defaults */ This help that logs go where they belong by default when using wrkjobscde option 10

2025-10-20T20:10:58Z

Change Program Defaults: This help that logs go where they belong by default when using wrkjobscde option 10

← Older revision		Revision as of 22:10, 20 October 2025
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	* Don't waste time displaying a not so very much interesting screen prior to connection.		* Don't waste time displaying a not so very much interesting screen prior to connection.
	CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')		CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')
			* Send spooled output to what's defined in the job description instead of what's currently defined.
			CHGCMDDFT CMD(SBMJOB) NEWDFT('PRTDEV(JOBD) OUTQ(JOBD)')

	Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.		Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.

PoC: /* Change Program Defaults */ More preciise

2025-08-27T18:22:12Z

Change Program Defaults: More preciise

← Older revision		Revision as of 20:22, 27 August 2025
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	CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')		CHGCMDDFT CMD(STRPASTHR) NEWDFT('PASTHRSCN(*NO)')

	Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their default values.		Be aware that reinstalls, or applying PTFs can overwrite command objects and thus their changed default values.

	== Regular Cleanup jobs ==		== Regular Cleanup jobs ==

PoC: /* Change Program Defaults */ More precise

2025-08-27T18:20:17Z

Change Program Defaults: More precise

← Older revision		Revision as of 20:20, 27 August 2025
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	== Change Program Defaults ==		== Change Program Defaults ==
	This establishes different default behavior of some programs which makes life somewhat easier.<ref>Some people highly oppose against changing default values because the default values have been provided for a reason. But then, the <code>CHGCMDDFT</code> also has been provided for a reason.</ref> At least noting down the changed programs and their former values is recommended, for example in <code>QGPL/QTXTSRC.CMDDFT</code>.		This establishes different default behavior of some programs which makes life somewhat easier.<ref>Some people highly oppose against changing default values because the default values have been provided for a reason. But then, the <code>CHGCMDDFT</code> also has been provided for a reason.</ref> At least noting down the changed programs and their former values is recommended, for example in <code>QGPL/QTXTSRC.CMDDFT</code>.
	<blockquote>'''Note:''' CL applications might run a command with the changed default values, in turn combining (new) defaults and submitted parameters into an invalid combination of parameters which might lead to run-time errors.</blockquote>		<blockquote>'''Note:''' CL applications might run a command with the changed default values, in turn combining (new) defaults and submitted parameters into an invalid combination of parameters which might lead to run-time errors. As far as I'm aware, my proposed changes are compatible with such situations.</blockquote>

	* File creation and change defaults:		* File creation and change defaults:

PoC: /* Additional Steps tested with V7R2 */ More specific

2024-10-18T09:16:40Z

Additional Steps tested with V7R2: More specific

← Older revision		Revision as of 11:16, 18 October 2024
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	== Additional Steps tested with V7R2 ==		== Additional Steps tested with V7R2 ==
	After trying to enter SST, one gets the message that the password has expired. But the password cannot be changed. Re-IPL '''in manual mode''', do not IPL but enter DST.		After trying to enter SST, one gets the message that the password has expired. But the password cannot be changed. Re-IPL '''in manual mode''', do not IPL but enter DST, and change password as directed.

	* Choose ''5. Work with DST environment'' and ''3. Service tools user IDs''.		* Choose ''5. Work with DST environment'' and ''3. Service tools user IDs''.

PoC: /* Additional Steps tested with V7R2 */ Better wording

2024-10-14T14:04:26Z

Additional Steps tested with V7R2: Better wording

← Older revision		Revision as of 16:04, 14 October 2024
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	== Additional Steps tested with V7R2 ==		== Additional Steps tested with V7R2 ==
	After trying to enter SST, one gets the message that the password has expired. But the password cannot be changed. Re-IPL in manual mode, ~~or force~~ DST ~~display via control panel~~.		After trying to enter SST, one gets the message that the password has expired. But the password cannot be changed. Re-IPL '''in manual mode''', do not IPL but enter DST.

	* Choose ''5. Work with DST environment'' and ''3. Service tools user IDs''.		* Choose ''5. Work with DST environment'' and ''3. Service tools user IDs''.
	** Disable the "backdoor" profile ''11111111'',		** Disable the "backdoor" profile ''11111111'',
	** ''Change password'' for ''QSECOFR'', ''Set password to expired'' to ''2=No''.		** ''Change password'' for ''QSECOFR'', ''Set password to expired'' to ''2=No''.
	* Press F12 and choose ~~''5. Work with DST environment'' and~~ ''6. Service tools security data''.		* Press F12 and choose ''6. Service tools security data''.
	** Enter 0 into the field ''8. Password expiration interval in days'', 8 into the ''Selection'' field, and press return.		** Enter 0 into the field ''8. Password expiration interval in days'', 8 into the ''Selection'' field, and press return.
	** Enter a high number (like 12) into the field ''9. Maximum sign-on attempts allowed'', 9 into the ''Selection'' field, and press return.		** Enter a high number (like 12) into the field ''9. Maximum sign-on attempts allowed'', 9 into the ''Selection'' field, and press return.