Differences between RHEL5.5 and RHEL6

1. Use ctrl + alt + F1 ~ in RHEL5.5 to switch between virtual platforms ~ Ctrl + alt + F6 switch to the virtual text control platform, use ctrl + alt + F7 to switch to the graphical interface, and use ctrl + alt + F1 in RHEL6 to switch to the graphical interface, use ctrl + alt + F2 ~ Ctrl + alt + F7 switch to the virtual text control platform. If the system is in the command line, startX is automatically run by default when you switch to the graphical interface, which may affect the services running on the server.

1. Differences in virtual platform Switching

Use ctrl + alt + F1 ~ in RHEL 5.5 ~ Ctrl + alt + F6 switch to the virtual text control platform, and use ctrl + alt + F7 to switch to the graphical interface;

In RHEL6, use ctrl + alt + F1 to switch to the graphical interface, and use ctrl + alt + F2 ~ Ctrl + alt + F7 switch to the virtual text control platform.

If the system is in the command line, startX is automatically run by default when you switch to the graphical interface, which may affect the services running on the server.

2. Different sbin Directory Permissions

Reading/sbin/directory commands by common users in RHEL 5.5;

In RHEL6, common users can read some commands in the/sbin/directory or use some commands.

Use echo $ PATH to show the differences between environment variables.

3. Different partprobe commands

In RHEL 5.5, the system hard disk can directly use partprobe to update the partition After partitioning so that the kernel can identify the partition.

After partitioning in RHEL6 is completed, you cannot use partprobe to update the partition. You must restart the server before the partition can be mounted normally.

4. Differences in Software Installation

In RHEL 5.5, use system-config-package to bring up the software installation interface. you can install the software.

In RHEL6, the software installation interface is displayed with gpk-application.

5. About NetworkManger

No NetworkManger in RHEL 5.5;

NetworkManger is added to RHEL6, but it is recommended to disable this service because it may affect the network When configuring the service.