How To Resize CentOS CLI Machine In Full By Default?












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I've created a minimal machine with no graphics using virtualBox, For I want to use a pure command line environment. One thing I don't like about it is, that it shows up in half screen. There's an option in VirtualBox to zoom display but it somehow pixelates the display.



I know there is a way to increase the default font by customizing the bash files in user's home directory. But nonetheless it will still show in half screen.



I want to know if anyone of you know how to change default resolution of a CLI machine in VirtualBox. I'd really be grateful.



(Note: Someone suggested to edit /etc/default/grub file for Ubuntu, but I can't happen to find it in Centos)










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  • Why not use ssh?

    – schaiba
    Apr 1 '16 at 9:06











  • There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

    – Tagwint
    Apr 1 '16 at 10:19
















0















I've created a minimal machine with no graphics using virtualBox, For I want to use a pure command line environment. One thing I don't like about it is, that it shows up in half screen. There's an option in VirtualBox to zoom display but it somehow pixelates the display.



I know there is a way to increase the default font by customizing the bash files in user's home directory. But nonetheless it will still show in half screen.



I want to know if anyone of you know how to change default resolution of a CLI machine in VirtualBox. I'd really be grateful.



(Note: Someone suggested to edit /etc/default/grub file for Ubuntu, but I can't happen to find it in Centos)










share|improve this question














bumped to the homepage by Community 3 hours ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
















  • Why not use ssh?

    – schaiba
    Apr 1 '16 at 9:06











  • There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

    – Tagwint
    Apr 1 '16 at 10:19














0












0








0








I've created a minimal machine with no graphics using virtualBox, For I want to use a pure command line environment. One thing I don't like about it is, that it shows up in half screen. There's an option in VirtualBox to zoom display but it somehow pixelates the display.



I know there is a way to increase the default font by customizing the bash files in user's home directory. But nonetheless it will still show in half screen.



I want to know if anyone of you know how to change default resolution of a CLI machine in VirtualBox. I'd really be grateful.



(Note: Someone suggested to edit /etc/default/grub file for Ubuntu, but I can't happen to find it in Centos)










share|improve this question














I've created a minimal machine with no graphics using virtualBox, For I want to use a pure command line environment. One thing I don't like about it is, that it shows up in half screen. There's an option in VirtualBox to zoom display but it somehow pixelates the display.



I know there is a way to increase the default font by customizing the bash files in user's home directory. But nonetheless it will still show in half screen.



I want to know if anyone of you know how to change default resolution of a CLI machine in VirtualBox. I'd really be grateful.



(Note: Someone suggested to edit /etc/default/grub file for Ubuntu, but I can't happen to find it in Centos)







centos virtualbox






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asked Apr 1 '16 at 9:01









SollosaSollosa

1361315




1361315





bumped to the homepage by Community 3 hours ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.







bumped to the homepage by Community 3 hours ago


This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.















  • Why not use ssh?

    – schaiba
    Apr 1 '16 at 9:06











  • There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

    – Tagwint
    Apr 1 '16 at 10:19



















  • Why not use ssh?

    – schaiba
    Apr 1 '16 at 9:06











  • There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

    – Tagwint
    Apr 1 '16 at 10:19

















Why not use ssh?

– schaiba
Apr 1 '16 at 9:06





Why not use ssh?

– schaiba
Apr 1 '16 at 9:06













There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

– Tagwint
Apr 1 '16 at 10:19





There's no much sense in optimizing screen for VM w/o graphics You can run it in headless mode and use ssh to connect to it with your favorite terminal program from your host machine where you have control over the screen.

– Tagwint
Apr 1 '16 at 10:19










1 Answer
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0














up vote
10
down vote
accepted
A maximum resolution of 800x600 suggests that your X server inside the virtual machine is using the SVGA driver. SVGA is the highest resolution for which there is standard support; beyond that, you need a driver.



VirtualBox emulates a graphics adapter that is specific to VirtualBox, it does not emulate a previously existing hardware component like most other subsystems. The guest additions include a driver for that adapter. Insert the guest additions CD from the VirtualBox device menu, then run the installation program. Log out, restart the X server (send Ctrl+Alt+Backspace from the VirtualBox menu), and you should have a screen resolution that matches your VirtualBox window. If you find that you still need manual tweaking of your xorg.conf, the manual has some pointers.



There's a limit to how high you can get, due to the amount of memory you've allocated to the graphics adapter in the VirtualBox configuration. 8MB will give you up to 1600x1200 in 32 colors. Going beyond that is mostly useful if you use 3D.



please search in stake-exchange you ll get it ..
even i refered from this link






share|improve this answer


























  • @Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

    – Sollosa
    Apr 3 '16 at 17:50











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1 Answer
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1 Answer
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active

oldest

votes









active

oldest

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active

oldest

votes









0














up vote
10
down vote
accepted
A maximum resolution of 800x600 suggests that your X server inside the virtual machine is using the SVGA driver. SVGA is the highest resolution for which there is standard support; beyond that, you need a driver.



VirtualBox emulates a graphics adapter that is specific to VirtualBox, it does not emulate a previously existing hardware component like most other subsystems. The guest additions include a driver for that adapter. Insert the guest additions CD from the VirtualBox device menu, then run the installation program. Log out, restart the X server (send Ctrl+Alt+Backspace from the VirtualBox menu), and you should have a screen resolution that matches your VirtualBox window. If you find that you still need manual tweaking of your xorg.conf, the manual has some pointers.



There's a limit to how high you can get, due to the amount of memory you've allocated to the graphics adapter in the VirtualBox configuration. 8MB will give you up to 1600x1200 in 32 colors. Going beyond that is mostly useful if you use 3D.



please search in stake-exchange you ll get it ..
even i refered from this link






share|improve this answer


























  • @Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

    – Sollosa
    Apr 3 '16 at 17:50
















0














up vote
10
down vote
accepted
A maximum resolution of 800x600 suggests that your X server inside the virtual machine is using the SVGA driver. SVGA is the highest resolution for which there is standard support; beyond that, you need a driver.



VirtualBox emulates a graphics adapter that is specific to VirtualBox, it does not emulate a previously existing hardware component like most other subsystems. The guest additions include a driver for that adapter. Insert the guest additions CD from the VirtualBox device menu, then run the installation program. Log out, restart the X server (send Ctrl+Alt+Backspace from the VirtualBox menu), and you should have a screen resolution that matches your VirtualBox window. If you find that you still need manual tweaking of your xorg.conf, the manual has some pointers.



There's a limit to how high you can get, due to the amount of memory you've allocated to the graphics adapter in the VirtualBox configuration. 8MB will give you up to 1600x1200 in 32 colors. Going beyond that is mostly useful if you use 3D.



please search in stake-exchange you ll get it ..
even i refered from this link






share|improve this answer


























  • @Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

    – Sollosa
    Apr 3 '16 at 17:50














0












0








0







up vote
10
down vote
accepted
A maximum resolution of 800x600 suggests that your X server inside the virtual machine is using the SVGA driver. SVGA is the highest resolution for which there is standard support; beyond that, you need a driver.



VirtualBox emulates a graphics adapter that is specific to VirtualBox, it does not emulate a previously existing hardware component like most other subsystems. The guest additions include a driver for that adapter. Insert the guest additions CD from the VirtualBox device menu, then run the installation program. Log out, restart the X server (send Ctrl+Alt+Backspace from the VirtualBox menu), and you should have a screen resolution that matches your VirtualBox window. If you find that you still need manual tweaking of your xorg.conf, the manual has some pointers.



There's a limit to how high you can get, due to the amount of memory you've allocated to the graphics adapter in the VirtualBox configuration. 8MB will give you up to 1600x1200 in 32 colors. Going beyond that is mostly useful if you use 3D.



please search in stake-exchange you ll get it ..
even i refered from this link






share|improve this answer















up vote
10
down vote
accepted
A maximum resolution of 800x600 suggests that your X server inside the virtual machine is using the SVGA driver. SVGA is the highest resolution for which there is standard support; beyond that, you need a driver.



VirtualBox emulates a graphics adapter that is specific to VirtualBox, it does not emulate a previously existing hardware component like most other subsystems. The guest additions include a driver for that adapter. Insert the guest additions CD from the VirtualBox device menu, then run the installation program. Log out, restart the X server (send Ctrl+Alt+Backspace from the VirtualBox menu), and you should have a screen resolution that matches your VirtualBox window. If you find that you still need manual tweaking of your xorg.conf, the manual has some pointers.



There's a limit to how high you can get, due to the amount of memory you've allocated to the graphics adapter in the VirtualBox configuration. 8MB will give you up to 1600x1200 in 32 colors. Going beyond that is mostly useful if you use 3D.



please search in stake-exchange you ll get it ..
even i refered from this link







share|improve this answer














share|improve this answer



share|improve this answer








edited Apr 13 '17 at 12:36









Community

1




1










answered Apr 1 '16 at 9:43









Vinood NK MaheshwariVinood NK Maheshwari

319110




319110













  • @Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

    – Sollosa
    Apr 3 '16 at 17:50



















  • @Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

    – Sollosa
    Apr 3 '16 at 17:50

















@Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

– Sollosa
Apr 3 '16 at 17:50





@Vinod ty dude, I'd try allocating more memory. But my problem was to resize resolution of a machine without graphics, are you sure if that'll work?

– Sollosa
Apr 3 '16 at 17:50


















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