Category: Troubleshooting

vboxsf is not available

===> XXXX: Mounting shared folders … the filesystem “vboxsf” is not available. … $ vagrant plugin install vagrant-vbguest

Ctrl + Alt doesn’t work in virt-manager + X-Window (Mac OS)

# when using virt-manager + X-Window on Mac OS, Ctrl + Alt doesn’t work vi ~/.Xmodmap clear Mod1 keycode 66 = Alt_L keycode 69 = Alt_R add Mod1 = Alt_L add Mod1 = Alt_R

Failure during “kubeadm join”

$ sudo kubeadm join … … unable to fetch the kubeadm-config ConfigMap … # Change the old token to a new one < master node > $ kubeadm token create [ new token ] < compute node > kubeadm join … –token [ new token ] …

make: warning: Clock skew detected. Your build may be incomplete.

make: warning: Clock skew detected. Your build may be incomplete. $ make clean $ find . -exec touch {} \; $ make

Request a CD-ROM during the apt-get installation

Media change: please insert the disc labeled ‘Ubuntu-Server 14.04.3 LTS _Trusty Tahr_ – Beta amd64 (20150805)’ in the drive ‘/media/cdrom/’ and press enter $ sudo sed -i ‘/cdrom/d’ /etc/apt/sources.list

Release apt-get locks

$ sudo rm /var/lib/apt/lists/lock $ sudo rm /var/cache/apt/archives/lock $ sudo rm /var/lib/dpkg/lock $ sudo rm /var/cache/debconf/config.dat $ sudo dpkg –configure -a $ sudo apt-get update $ sudo apt-get upgrade