Upgrading to Oracle Solaris 11.1 is a multistep process due to the requirement that certain system packages must be updated first in order to achieve a successful update for the remaining system packages. In order to perform successful upgrade you need to be logged in as root.
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The root user can run the snoop command to capture network packets and to display their content to the screen. Captured packets can be displayed as they are received, or saved to a file for later inspection. You can check content of this file by using snoop command. continue reading…
The main reason why you may need to disable the system abort sequence (Stop+A) could be security of your system. Anybody who can abort the system and bring it to OBP can eventually try to gain access to the root user account. You can disable the system abort sequence (Stop+A) in several different ways.
By default, in Solaris, the owner of the file cannot use the chown command to change the owner of the file or directory. There is also restriction in using chgrp command. The owner can only use chgrp command to change the group of the file to a group, which the owner belongs to.
However, this behavior can be changed by modifying /etc/system file by adding the following line: continue reading…
The prtdiag command is very usefull tool for checking your hardware configuration. Based on the output you can tell what is inside your SUN box without opening it. This is also handy when you are dealing with SUN support.
