Fix : Kubuntu 16.04 "THE SYSTEM RUNNING IN LOW GRAPHICS MODE"

Problem: 

Solution :

THE SYSTEM RUNNING IN LOW GRAPHICS MODE – SOLUTION

1 2 3 4 5

sudo apt-get update

Then run this on your terminal when that is done:

1 2 3 4 5

sudo apt-get -d install --reinstall sddm

Follow that with the following line on your terminal:

1 2 3 4 5

sudo apt-get remove --purge sddm

Before you restart the machine, run this next line:

1 2 3 4 5

sudo apt-get install sddm

When prompted here, select sddm (This by the way is a Graphics Manager)

Finally, reboot this bad boy and you will be on your way to happy dancing;

1 2 3 4 5

sudo reboot

You can find more information by visiting the Ubuntu forums.

How to compile Uboot configuration

assumption : you have uboot source checkedout on your machine.

Example Cross Compile for ARM processror

1.  goto the uboot dir
2.  export following variables

apt-get install gcc-arm-linux-gnueabihf export CROSS_COMPILE=arm-linux-gnueabihf-export ARCH=arm

3.  to build the .imx use following


make distclean

make mx6qopenrex_config

make




4.  imx will be available in you pwd ( ex "u-boot.imx" )

Plasma Search Hotkeys

The keyboard shortcut is configurable, though, so you can set it to Ctl+Space, for example, if you prefer:

SystemSettings>KeyboardShortcuts>GlobalShortcuts>Choose "krunner" from the dropdown menu>Set "Run Command" shortcut



The default key combo for the search (krunner) is Alt+F2 or Alt+Space.

created the sql user but able to login without password.

mysql_secure_installation




answer the following yes and next time you login with sql user, it won't allow empty password.


Reload privilege tables now? [Y/n] Y
 ... Success!

Solved : Qt Creator Welcome Mode not work in VM

As mentioned here, the solution is to do the following:

1. In Qt Creator, go to Help -> About Plugins...
2. Uncheck Qt Creator --> Welcome
3. Restart Qt Creator

Worked for me.

Solved : symbols: DSO missing from command line

I was compiling program with boost library and got this. ( i was using boost_thread only)

Solution:

Add boost_system to the linker and you shall be fine.

Solved : Failed to deploy OVF package: The task was canceled by a user

1. deleted the .mf
2. open the *.OVF file and change following from

vmware.cdrom.iso

to

vmware.cdrom.atapi

Now retry the deployment of OVF.

- Mihir