Centos

How to install iostat on CentOS

How to install iostat on CentOS If you’re performance turning a server, you want to check all aspects to see how it’s performing.  The iostat command is used to check disk i/o statistics, how shows blocks read and blocks written to each device. Install iostat Run the following command: [root@app1 ~]# Read more…

By Jeff Masud, ago
Centos

Setting up IPv6 address on CentOS 7

Setting up IPv6 address on CentOS 7 All of our servers that are installed have dual stacked IPs, both IPv4 and IPv6 for consistency.  Sometimes by default CentOS 7 doesn’t automatically enable to IPv6 functionality.  If it doesn’t these are the items which you need to add to your network Read more…

By Jeff Masud, ago
Centos

Kubeadm join getting error getsockopt: no route to host

Kubeadm join getting error getsockopt: no route to host After installing the master node I went to add some nodes into our cluster and recieved an error. This is the error I received: [root@fuselaxnode2 ~]# kubeadm join 10.230.107.137:6443 --token TOKEN --discovery-token-ca-cert-hash sha256:SHA_HASH [preflight] Running pre-flight checks. [WARNING FileExisting-crictl]: crictl not Read more…

By Jeff Masud, ago