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After BOS installation you will be able to determine maintenance level.

The general syntax of the oslevel command is -

# oslevel [ -l Level | -g Level | -q ] [ -r ] [ -f ]

-l filesets earlier than the maintenance levels

-g filesets later than the current maintenance level.

-r  Applies all flags to Recommended Maintenance Levels

-f  Forces cache rebuilt

-q  Lists names of known maintenance levels, use with -l flag.

To show current maintenance level of system

# oslevel -r

O/p → 5300-03

Here 03 means maintenance level is 3.

Note:-Do not confuse this output with the M in V.R.M.F.

Software Installation:-

  • Software can be installed in one of two states: applied or committed.
  • The applied state places Software on the system. It retains the previous Version  of the Software.
  • When an update is in the applied state Previous Version  is stored in the /usr/LPP/PackageName directory. This process is useful for deploying or testing new Software, where it may be necessary to go back to the previous Version  of the Software in case of errors.
  • The committed state places Software on the system and removes all previous levels of the Software from the /usr/LPP/PackageName directory
  • If committed Software needs to be removed, you cannot go back to the previous Version  without a complete reinstall of the previous Version  Software.
  • We recommend you install new Software in the applied state, rather than the committed state, until the new Software has been thoroughly tested.
  • Sofware are installed by using installp command.

Command to install Software in an Applied State :-

# installp -a [ -eLogFile ] [ -V Number ] [ -dDevice ] { FilesetName [ Level ]… | -f ListFile | all }

 Command to install Software in an Commited State:-

installp -ac [ -N ] [ -eLogFile ] [ -V Number ] [ -dDevice ] { FilesetName [ Level ]… | -f ListFile | all }

For Example- To install all filesets within the bos.net Software Package in Applied State

# installp -avX  -d  /usr/sys/inst.images bos.net

To preview an install of all filesets within the bos.net Software Package in /usr/sys/inst.images directory in the Committed State

# installp -acpX  -d   /usr/sys/inst.images bos.net

# cat /var/adm/sw/installp.summary ( record of the installp output will found in this file)

Committing applied updates :-

For Example : To Commit all updates, type

# installp -cgX all

Rejecting applied updates :-

For Example-:, to reject all applied updates listed in the file ./reject.list, type

# installp -rBfX ./reject.list

Removing installed Software:-

For Example, to preview a remove of bos.net.ipsec.rte and its dependents, type

# installp -ugp -V2 bos.net.ipsec.rte

 Cleaning up after failed installations :-

For Example , to do cleanup of all fileset for reinstallation, type

# installp -C

Listing all installable Software on media :-

For example, to list the Software that is on your CD-ROM, type

# installp -L -d /dev/cd0

Software Installation Using Smit command:-

You all are now familiar with installpcommand for S/W installation but S/W’s installation can be done by using SMIT.

To install Software products:

# smitty install_latestspan>

INPUT DEVICE / directory for Software
SOFTWARE TO INSTALL → [_all_latest]

Committing applied updates :-

# smitty install_commit


Rejecting applied updates :-

# smitty install_reject

SOFTWARE NAME → [] (Press F4 on the SOFTWARE name field to select the Software update you want to reject.)

Removing installed Software:-

# smitty install_remove

SOFTWARE NAME → [] ( Press F4 → Select the Software you want to remove by pressing F7, followed by Enter)