Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Manuale di Installazione Scaricare il pdf (Pagina 85)

Chapter 4. Installing and configuring z/VM 65

4.9.5 Changing passwords in USER DIRECT

Changing the passwords can be done manually in XEDIT. However, this is both tedious

and error-prone. An XEDIT macro named CHPW610 XEDIT can be used. The source code

for this can be found at:

http://www.vm.ibm.com/devpages/mikemac/SG247932.tgz

This macro changes all z/VM passwords to the same value, which may still not be adequate

security given the different function of the various user IDs. If you want different passwords,

you have to modify the USER DIRECT file manually, either with or without using the CHPW52

XEDIT macro.

To modify all user ID and minidisk passwords to the same value, perform the following steps:

1. Log on to MAINT.

2. Link and access the LNXMAINT 192 disk to pick up the CHPW610 XEDIT macro:

==> vmlink lnxmaint 192

DMSVML2060I LNXMAINT 192 linked as 0120 file mode Z

3. Make a backup copy of the USER DIRECT file and first be sure the password that you want

to use is not a string in the file. For example, if you want to change all passwords to

lnx4vm, then perform the following steps:

==> copy user direct c = direwrks = (oldd

==> x user direct c

====> /lnx4vm

DMSXDC546E Target not found

====> quit

The Target not found message shows that the string lnx4vm is not used in the USER

DIRECT file, so it is a good candidate for a password.

4. Edit the USER DIRECT file with the parameter (profile chpw610) followed by the new

password. Rather than invoking the default profile of PROFILE XEDIT, this command

invokes the XEDIT macro named CHPW610 XEDIT and passes it the new password. For

example, to change all passwords to lnx4vm, enter the following command:

==> x user direct c (profile chpw610) lnx4vm

Changing all passwords to: LNX4VM

DMSXCG517I 1 occurrence(s) changed on 1 line(s)

...

5. When the profile finishes you are left in the XEDIT session with all passwords modified.

You may want to first examine the changes. Then save the changes with the FILE

subcommand:

====> file

6. Bring the changes online with the DIRECTXA command:

==> directxa user

z/VM USER DIRECTORY CREATION PROGRAM - VERSION 6 RELEASE 1.0

EOJ DIRECTORY UPDATED AND ON LINE

HCPDIR494I User directory occupies 43 disk pages

Your new directory is online. Do not forget the new password!

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 295 296

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Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Manuale di Installazione Pagina 85

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