Znalostní báze

OpenShift nema rad nase OpenVZ tak treba ist hlbsie.

1. Setup DNS

• .example.com to VPS IP

2. Install CentOS

• yum update

3. Enable KVM

• yum group install virtualization-host-environment
• yum install virt-manager xauth virt-viewer virt-install
• systemctl enable libvirtd
• systemctl disable firewalld
• reboot

4. Install CentOS in CentOS in NAT

• Example virt-install -n OpenShift –description „Test VM CentOS 7“ –os-type=Linux –os-variant=rhel7 –ram=2048 –vcpus=2 –disk path=/var/lib/libvirt/images/myRHELVM1.img,bus=virtio,size=10 –cdrom http://mirror.centos.org/centos/7/os/x86_64/
• remember IP addr
• yum update
• systemctl disable firewalld

5. Install OpenShift

• https://wiki.centos.org/SpecialInterestGroup/PaaS/OpenShift-Quickstart

6. Port forwarding

• iptables -t nat -I PREROUTING -p tcp –dport 80 -j DNAT –to-destination 192.168.122.X:80
• iptables -t nat -I PREROUTING -p tcp –dport 8443 -j DNAT –to-destination 192.168.122.X:8443
• iptables -I FORWARD -m state -d 192.168.122.0/24 –state NEW,RELATED,ESTABLISHED -j ACCEPT

7. Start OpenShift

• oc cluster up –public-hostname=www.example.com –routing-suffix=example.com

8. Login to https://www.example.com:8443