November 22, 2009
Here are the list of useful commands frequently used during package management.
Adds software packages to the system
Removes software packages from the system
Displays software package information
Checks the accuracy of a software package installation
So, we’ll take an example to use above commands. I’ve a package called SUNWant.Z, which I want to install.
So I use the following syntax to add a package.
pkgadd -d SUNWant.Z
To check whether your package has been installed, you can use pkginfo and grep the output to find a specific package.
pkginfo | grep SUNWant
To check the accuracy of the package, you can use pkgchk command as:
To remove above package, we have the pkgrm command to use:
Refer the Sun documentation for further details.
September 23, 2009
By default, telnet is enabled to be access by remote logins for a non-root user. To allow a root user to access the telnet remotely you will have to explicitly allow it.
This can be done by commenting the following line in the file /etc/default/login:
But please understand the security threat behind this, first telnet is insecure and hence is not suggested method of remote access, instead use SSH. Besides allowing remote login for root via telnet is a big NO NO.
You’ve been warned!
May 23, 2009
To perform this you need to access the terminal physically or via telnet. And obviously you have to be a root user.
From terminal, use a text editor like vi to open the configuration file of SSH
# vi /etc/ssh/sshd_config
Now look for following line in the file:
You need to replace the ‘no’ with ‘yes’ to enable SSH.
Save the file and exit.
Restart the SSH service with the following command:
# svcadm restart network/ssh
That’s it, you’re done.