Arsham Shirvani arsham

## kubernetes_dashboard.md

      
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                arsham
                / kubernetes_dashboard.md
            
            
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              February 18, 2019 17:11
            
              
                Install and access #kubernetes #dashboard
              
          
    Install

kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml
Access

kubectl proxy
Then browse to:


## clone_virtualbox_vms.sh
VBoxManage clonevm original_vm --name new_vm --register

# Change some properties
VBoxManage modifyvm new_vm --memory 6144 --vram 64
VBoxManage modifyvm new_vm --cpus 6
VBoxManage modifyvm new_vm --bridgeadapter1 enp0s3

# Start headless
VBoxManage startvm new_vm --type headless

## virtualbox_export_import.sh
VBoxManage export machine_name -o /path/to/file/machine_name.ova
VBoxManage import machine_name.ova

## kubeadm_generate_token.sh
kubeadm token create --print-join-command

## docker_machine_generate.md

      
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                arsham
                / docker_machine_generate.md
            
            
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              January 11, 2019 14:34
            
              
                Create a new vm and join the swarm (#docker)
              
          
    About

We want to create a new vm and join the swarm.
Argument order

name, cpu count, memory, disk


## docker_max_map_count.sh
for i in `seq 1 10`; do
    docker-machine ssh vm$i 'echo "vm.max_map_count=300000" | sudo tee /etc/sysctl.conf ; sudo sysctl -p'
done

## docker_list_tasks.sh
watch 'docker node ps $(docker node ls -q) | uniq'

## reload_docker_daemon.sh
for i in `seq 1 10`;
    do docker-machine ssh vm$i sudo /etc/init.d/docker restart
done

## internal_network_speed.sh
pacman -S iperf3

# on one server
iperf3 -s

# on another
iperf3 -c <ip_of_server>

## mirror_website.sh
wget --mirror --convert-links --adjust-extension --page-requisites --no-parent https://example.com
	VBoxManage clonevm original_vm --name new_vm --register

	# Change some properties
	VBoxManage modifyvm new_vm --memory 6144 --vram 64
	VBoxManage modifyvm new_vm --cpus 6
	VBoxManage modifyvm new_vm --bridgeadapter1 enp0s3

	# Start headless
	VBoxManage startvm new_vm --type headless
	VBoxManage export machine_name -o /path/to/file/machine_name.ova
	VBoxManage import machine_name.ova
	for i in `seq 1 10`; do
	docker-machine ssh vm$i 'echo "vm.max_map_count=300000" \| sudo tee /etc/sysctl.conf ; sudo sysctl -p'
	done
	for i in `seq 1 10`;
	do docker-machine ssh vm$i sudo /etc/init.d/docker restart
	done
	pacman -S iperf3

	# on one server
	iperf3 -s

	# on another
	iperf3 -c <ip_of_server>