Linux and Unix tutorials for new and seasoned sysadmin
Linux and Unix tutorials for new and seasoned sysadmin
Where are NIC (network interface configuration) files located in the Redhat / Fedora / Centos Linux?
How do I change or set my hostname ( computer name ) under OpenBSD operating system?
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?
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?
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:
Q. I’m using Ubuntu Linux. How do I change my hostname or the machine name?
A.. You need to use hostname command, which is used to either set or display the current host or domain name of the system. This name is used by many of the networking programs to identify the machine.
Following instructions should work on both Debian and Ubuntu Linux systems.
Just type hostname command print the name of the system:
$ hostname
Output:
vivek-desktop.gite.in
Set hostname to desktop.nixcraft.com:
# hostname desktop.nixcraft.com
# hostname
Output:
desktop.nixcraft.com
You need to edit a file called /etc/hostname:
# vi /etc/hostname
Set new hostname:
desktop.nixcraft.com
Save and close the file.
If you are using CentOS or Fedora or Redhat (RHEL) Linux, see this FAQ.