How To Take Screenshots On The Raspberry Pi Using Command Line

 How To Take Screenshots On The Raspberry Pi Using Command Line 

1. Install scrot

sudo apt-get install scrot

2. Use command line via ssh 

env DISPLAY=:0 XAUTHORITY=/home/pi/.Xauthority scrot /path/to/screen.png 

3. Download image via SFTP 

yum access IPv6 reposotory on Centos 7

yum access IPV6 reposotory on Centos 7

The easiest way to disable IPv6


  edit /etc/sysctl.d/disable-ipv6.conf


and add
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1

Then issue sysctl -p

If still yum trying to access IPv6 edit /etc/yum.conf and add
ip_resolve=4