[REHL] Change display resolution in Linux (해상도 조정하는 방법)

RHEV 또는 VMware에서 Guest OS의 디스플레이 해상도(display resolution)를 조정하는 방법

Guest OS 설정이나 Vmware에서 설정하는 것이 아니며,

OS의 해상도를 조절하는 것과 동일하게 맞추면 된다.

1) CLI 명령어를 통해 조정하는 방법

To change the VGA card display resolution in RHEL5

1) First check all the possible resolutions supported by your graphics card using the following command.

            "xrandr"

It will display all possible resolutions.

2) Change resolution.

Suppose your graphics card support 1024x768 resolution then you can change it using the following command.

"xrandr -s 1024x768"

If you don't have "1024x768" in that “xrandr” output, try below one this might be help to get “1024x768”.

In “/etc/X11/xorg.conf” file just check the entries

            SubSection "Display"

                        Viewport  0 0

                        Depth     24

                        Modes "1024x768"

            EndSubSection

Check the entry “Modes”. If it is not present just add this line and check.

2. GUI를 통해 조정하는 방법

6.2. Changing the Resolution of Displays in a Red Hat Enterprise Linux Virtual Machine

1. Open the System menu from the GNOME panel.
2. Open the Preferences section.
3. Click Display to open the Display Preferences window.
4. Select the display whose resolution is to be changed.
5. Select the resolution from the Resolution drop-down list.