December 2015
Intermediate to advanced
250 pages
4h 41m
English
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Configuring your boot environment
GRUB2 is the default boot loader for RHEL 7. By default, it doesn't use any fancy configuration options, but it is wise to at least secure your grub boot loader.
How to do it…
There are many advantages to having your grub and boot environment output to serial console in an enterprise environment. Many vendors integrate virtual serial ports in their remote control systems, as does KVM. This allows you to connect to the serial port and easily grab whatever is displayed in a text editor.
Setting a password on the GRUB2 boot loader mitigates possible hacking attempts on your system when you have physical access to the server or console. Perform the following steps for this recipe:
- First, edit
/etc/sysconfig/grubwith ...