Month: July 2018

k8s master and nodes on RHEL/Centos 7

Configure the master node Preparation Run the following commands to pass bridged IP traffic to iptables chains [root@test-vm1 ~]$ yum update -y [root@test-vm1 ~]$ modprobe br_netfilter [root@test-vm1 ~]$ cat <<EOF > /etc/sysctl.d/k8s.conf net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF [root@test-vm1 ~]$ sysctl --system 2a) Allow the necessary ports trough the firewall when you’re working in

udev rules for ASM disks

Make sure you have sg3 utils installed. # yum install -y sg3_utils After the LUNs were added to the server run: # rescan-scsi-bus.sh This will generate a lot of output and will tell you if it found new disks. If you’ve received the wwid’s from you SAN administrator you can skip this next stept, if