hostname

How do I find out my RHEL (Red Hat Enterprise Linux) 6 Linux kernel version number running on HP server?

{ 5 comments }

Where are NIC (network interface configuration) files located in the Redhat / Fedora / Centos Linux?

{ 0 comments }

How do I change or set my hostname ( computer name ) under OpenBSD operating system?

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I’m setting up Wordpress based blog system under Debian or Ubuntu Linux. I am getting an error which read as follows:

Your PHP installation appears to be missing the MySQL extension which is required by WordPress

How do I fix this problem under Debian or Ubuntu Linux?

{ 28 comments }

I get following error message for my postfix email server: “Mail Delivery Failed With DNS Service Unavailable Error and Solution”. How do I fix this problem?

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Q. I have Debian Linux server in remote data center. I can ping server by its IP but not by hostname such as server.domain.com. How do I ping server by hostname? A. This is client side DNS problem. All you have to do is setup correct DNS server: => Linux DNS Client Configuration => Solaris […]

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I‘m trying to run the following command:

ssh user@box.example.com sudo command1 /path/to/file

But, an error is displayed follows:

sudo: sorry, you must have a tty to run sudo

How do I fix this problem on Linux or Unix based systems?

{ 7 comments }