[CentOS] firewalld cloud-init dhcp error

Dear members, Please tell me what's wrong. After setig firewalld, I got fail on cloud-init with reboot. The server is rebooted, but I cannot access from internet. Before reboot I can access form internet. And before setig firewalld, there's no problem on reboot. /var/log/cloud-init.log shows foll

[CentOS] mate crash

While playing an audio in totem, the mate desktop crashed. I couldn't switch to a console like I use to be able to do with ctrl-alt-F{n} - seems that is gone is from CentOS. I couldn't open a terminal by right clicking on the desktop. I was able to open a folder, navigate to /usr/bin and open

[CentOS] Problem with cloud-init on re-boot

When I re-boot my CentOS 7 machine I get lots of error/warning messages like the following: -- Jan 1 14:39:04 alfred cloud-init: 2016-01-01 14:39:04,351 - url_helper.py[WARNING]: Calling 'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed [2/120s]: un