Preference file .pref could not be opened

fix just run this cmd:
#chown -R webapps:webapps /var/www/html

Nguyen Si Nhan

Failed to initialize remote display subsystem

You just create a new   user with name __vmware_user__ is all ok:
 net user  __vmware_user__ /add


Nguyen Si Nhan 

[Solved] Trouble shoot kvm virsh hang

Problem: When you type virsh list or virsh ... it's not return anything such as it's hanging

Solution: You just remove libvirtd and install it again ,Problem will be solved.

Nguyen Si Nhan