Adding code

CH01/Listing0101-Running your first Docker Container.txt

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+docker run hello-world

CH01/Listing0102-Output of your first Docker Container.txt

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+Unable to find image 'hello-world:latest' locally
+latest: Pulling from library/hello-world
+1b930d010525: Pull complete 
+Digest: sha256:9572f7cdcee8591948c2963463447a53466950b3fc15a247fcad1917ca215a2f
+Status: Downloaded newer image for hello-world:latest
+
+Hello from Docker!
+This message shows that your installation appears to be working correctly.
+
+To generate this message, Docker took the following steps:
+ 1. The Docker client contacted the Docker daemon.
+ 2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
+    (amd64)
+ 3. The Docker daemon created a new container from that image which runs the
+    executable that produces the output you are currently reading.
+ 4. The Docker daemon streamed that output to the Docker client, which sent it
+    to your terminal.
+
+To try something more ambitious, you can run an Ubuntu container with:
+ $ docker run -it ubuntu bash
+
+Share images, automate workflows, and more with a free Docker ID:
+ https://hub.docker.com/
+
+For more examples and ideas, visit:
+ https://docs.docker.com/get-started/

CH01/Listing0103-Login script to your Azure Account using the Azure CLI.txt

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+az login

CH01/Listing0104-Set Azure CLI’s active subscription.txt

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+az account set -s <YourSubscription>

CH01/Listing0105-PowerShell script to create Lab environment using Azure VMs.txt

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+# Modify these variables as needed
+$Region="EastUS"
+$RG="KubernetesLabs"
+$Username="labuser"
+$PW="Str@ngPassw0rd"
+$dnsPrefix="k8slab"
+$VMSize="Standard_B2s"
+$Linux_Image="Canonical:UbuntuServer:18.04-LTS:latest"
+$Windows_Image="Win2016datacenter"
+
+#Define machines
+$machines = ConvertFrom-Csv @'
+Hostname,IP,OS
+storage,172.16.94.5,Linux
+control,172.16.94.10,Linux
+node1,172.16.94.11,Linux
+node2,172.16.94.12,Linux
+node3,172.16.94.13,Linux
+workstation,172.16.94.100,Windows
+'@
+
+# Create RG
+az group create -l $Region -n $RG
+
+# Create VNET and NSG
+az network vnet create --name LABVnet --resource-group $RG --address-prefixes 172.16.94.0/24
+
+az network vnet subnet create --name LabSubnet --address-prefixes 172.16.94.0/24 `
+    --resource-group $RG --vnet-name LABVnet
+
+az network nsg create --name LABNSG --resource-group $RG
+
+az network nsg rule create --name SSH --nsg-name LABNSG --priority 1000 `
+    --resource-group $RG --destination-port-ranges 22 --access "Allow" `
+    --protocol TCP --direction Inbound
+
+az network nsg rule create --name RDP --nsg-name LABNSG --priority 1001 `
+    --resource-group $RG --destination-port-ranges 3389 --access "Allow" `
+    --protocol TCP --direction Inbound
+
+#Create VMs
+foreach($vm in $machines) {
+$hostname=$vm.Hostname
+$DNSName="$dnsPrefix-$hostname"
+$image=$Windows_Image
+if ($vm.OS -eq "Linux") { $image=$Linux_Image }
+az network public-ip create --name PIP-$hostname --resource-group $RG --dns-name $DNSName
+
+az network nic create --name NIC-$hostname --resource-group $RG --subnet LabSubnet `
+    --vnet-name LABVnet --private-ip-address $vm.IP --public-ip-address PIP-$hostname
+
+az vm create --name $hostname --resource-group $RG --nics NIC-$hostname --os-disk-size-gb 150 `
+    --os-disk-name Disk-$hostname --image $image --authentication-type password `
+    --admin-username $Username --admin-password $PW --size $VMSize
+}

CH01/Listing0106-Required additional Linux hosts file contents.txt

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+172.16.94.5    storage
+172.16.94.10   control
+172.16.94.11   node1
+172.16.94.12   node2
+172.16.94.13   node3

CH01/Listing0107-Script to add entries to Linux hosts file.txt

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+echo 172.16.94.5 storage > tmphosts
+echo 172.16.94.10 control >> tmphosts
+echo 172.16.94.11 node1 >> tmphosts
+echo 172.16.94.12 node2 >> tmphosts
+echo 172.16.94.13 node3 >> tmphosts
+sudo -- sh -c "cat tmphosts >> /etc/hosts"

CH01/Listing0108-apt script for basic prerequisites.txt

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+sudo apt-get update
+sudo apt-get install gnupg ca-certificates curl wget software-properties-common apt-transport-https lsb-release -y
+curl -sL https://packages.microsoft.com/keys/microsoft.asc |
+gpg --dearmor |
+sudo tee /etc/apt/trusted.gpg.d/microsoft.asc.gpg > /dev/null
+curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/18.04/prod.list)"
+sudo apt-get update

CH01/Listing0109-apt script for azdata, azure-cli, sqlcmd and kubectl.txt

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+sudo apt-get install -y azdata-cli
+sudo apt-get install -y azure-cli
+sudo apt-get install -y kubectl
+sudo apt-get install -y mssql-tools

CH01/Listing0110-Install Script for Chocolatey in PowerShell.txt

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+[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
+Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

CH01/Listing0111-Install script for recommended tools.txt

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+choco install curl -y
+choco install grep -y
+choco install putty -y
+choco install googlechrome -y

CH01/Listing0112-Install script for kubectl, sqlcmd and Azure CLI.txt

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+choco install kubernetes-cli -y
+choco install sqlserver-cmdlineutils -y
+choco install azure-cli -y

CH01/Listing0113-Install script for azdata.txt

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+curl -o azdata.msi https://aka.ms/azdata-msi
+msiexec /i azdata.msi /passive

CH01/Listing0114-enable-nfs.sh.txt

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+#!/bin/bash
+apt install -y nfs-kernel-server
+groupadd mssql -g 10001
+useradd -u 10001 mssql -g mssql
+addgroup --gid 472 grafana
+useradd -g 472 -u 472 grafana
+
+mkdir -p /srv/exports/volumes/
+chown -R mssql:mssql /srv/exports/volumes/
+echo '/srv/exports 172.16.94.0/24(rw,sync,no_subtree_check,no_root_squash)' > exports
+chmod 644 exports
+mv exports /etc/exports
+exportfs -a
+systemctl restart nfs-kernel-server
+
+mkdir /srv/exports/volumes/sql-instance-1
+chown -R mssql:mssql /srv/exports/volumes/
+
+mkdir /srv/exports/volumes/influxdb
+mkdir /srv/exports/volumes/grafana
+chown 472:472 /srv/exports/volumes/grafana
+
+mkdir /srv/exports/volumes/webcontent
+echo "Hello World!!!" >  /srv/exports/volumes/webcontent/index.html

CH01/Listing0115-Run enable-nfs.sh.txt

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+chmod +x enable-nfs.sh
+sudo ./enable-nfs.sh

CH01/Listing0116-nstall NFS utilities on NFS clients.txt

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+sudo apt install -y nfs-common

CH01/Listing0117-Verify NFS Connectivity on NFS clients.txt

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+sudo mount -t nfs storage:/srv/exports /mnt 
+ls -al /mnt/volumes

CH01/Listing0118-Disable swap.txt

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+swapoff -a

CH02/Listing0201-docker pull command for latest SQL Server 2019 image.txt

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+docker pull mcr.microsoft.com/mssql/server:2019-latest

CH02/Listing0202-Command on Bash.txt

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+curl -sL https://mcr.microsoft.com/v2/mssql/server/tags/list 

CH02/Listing0203-Command on Windows.txt

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+(Invoke-WebRequest https://mcr.microsoft.com/v2/mssql/server/tags/list).Content

CH02/Listing0204-docker pull command to pull container image associated with specific tag.txt

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+docker pull mcr.microsoft.com/mssql/server:2019-CU9-ubuntu-18.04

CH02/Listing0205-docker image ls command.txt

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+docker image ls

CH02/Listing0206-docker run command.txt

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+docker run \
+    --env 'ACCEPT_EULA=Y' \
+    --env 'MSSQL_SA_PASSWORD=S0methingS@Str0ng!' \
+    --name 'sql1' \
+    --publish 1433:1433 \
+    --detach \
+    mcr.microsoft.com/mssql/server:2019-CU9-ubuntu-18.04

CH02/Listing0207-docker ps command.txt

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+docker ps

CH02/Listing0208-docker logs command.txt

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+docker logs sql1 | more

CH02/Listing0209-Command line utility sqlcmd to access SQL Server.txt

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+sqlcmd -S localhost,1433 -U sa -Q 'SELECT @@VERSION' -P 'S0methingS@Str0ng!'

CH02/Listing0210-docker run command with unique container name.txt

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+docker run \
+     --name 'sql2' \
+     -e 'ACCEPT_EULA=Y' \
+     -e 'MSSQL_SA_PASSWORD=S0methingS@Str0ng!' \
+     -p 1434:1433 \
+     -d mcr.microsoft.com/mssql/server:2019-CU9-ubuntu-18.04

CH02/Listing0211-restore_testdb1.sql.txt

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+USE [master]
+RESTORE DATABASE [TestDB1] 
+FROM  DISK = N'/var/opt/mssql/data/TestDB1.bak' 
+WITH REPLACE

CH02/Listing0212-docker cp command.txt

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+docker cp TestDB1.bak sql2:/var/opt/mssql/data

CH02/Listing0213-chown command inside the container.txt

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+docker exec -u root sql2 chown mssql /var/opt/mssql/data/TestDB1.bak

CH02/Listing0214-Execute restore script through sqlcmd.txt

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+sqlcmd -S localhost,1434 -U sa -i restore_testdb1.sql -P 'S0methingS@Str0ng!'

CH02/Listing0215-docker exec command.txt

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+docker exec -it sql2 /bin/bash

CH02/Listing0216-pa -aux command.txt

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+ps -aux

CH02/Listing0217-Directory listing.txt

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+ls -la /var/opt/mssql/data

CH02/Listing0218-docker stop command.txt

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+docker stop sql2

CH02/Listing0219-docker ps -a command.txt

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+docker ps -a

CH02/Listing0220-docker start command.txt

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+docker start sql2

CH02/Listing0221-List databases using sqlcmd.txt

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+sqlcmd -S localhost,1434 -U sa -Q 'SELECT name from sys.databases' -P 'S0methingS@Str0ng!'

CH02/Listing0222-docker stop command.txt

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+docker stop sql1
+docker stop sql2

CH02/Listing0223-docker rm command.txt

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+docker rm sql1
+docker rm sql2

CH02/Listing0224-docker image ls command.txt

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+docker image ls

CH02/Listing0225-docker run command - data Volume specification.txt

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+docker run \
+    --name 'sql1' \
+    -e 'ACCEPT_EULA=Y' \
+    -e 'MSSQL_SA_PASSWORD=S0methingS@Str0ng!' \
+    -p 1433:1433 \
+    -v sqldata1:/var/opt/mssql \
+    -d mcr.microsoft.com/mssql/server:2019-CU9-ubuntu-18.04

CH02/Listing0226-docker cp command.txt

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+docker cp TestDB1.bak sql1:/var/opt/mssql/data
+docker exec -u root sql1 chown mssql /var/opt/mssql/data/ TestDB1.bak
+sqlcmd -S localhost,1433 -U sa -i restore_testdb1.sql -P 'S0methingS@Str0ng!'

CH02/Listing0227-List all databases through sqlcmd.txt

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+sqlcmd -S localhost,1433 -U sa -Q 'SELECT name from sys.databases' -P 'S0methingS@Str0ng!'

CH02/Listing0228-List all files and their physical names through sqlcmd.txt

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+sqlcmd -S localhost,1433 -U sa -Q 'SELECT name, physical_name from sys.master_files' -P 'S0methingS@Str0ng!' -W

CH02/Listing0229-stop and remove the container sql1.txt

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+docker stop sql1
+docker rm sql1

CH02/Listing0230-docker run command - creation of new container.txt

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+docker run \
+    --name 'sql2' \
+    -e 'ACCEPT_EULA=Y' \
+    -e 'MSSQL_SA_PASSWORD=S0methingS@Str0ng!' \
+    -p 1433:1433 \
+    -v sqldata1:/var/opt/mssql \
+    -d mcr.microsoft.com/mssql/server:2019-CU9-ubuntu-18.04

CH02/Listing0231-List all databases through sqlcmd.txt

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+sqlcmd -S localhost,1433 -U sa -Q 'SELECT name from sys.databases' -P 'S0methingS@Str0ng!'

CH02/Listing0232-docker volume ls command.txt

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+docker volume ls

CH02/Listing0233-docker inspect command.txt

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+docker volume inspect sqldata1

CH02/Listing0234-docker stop command.txt

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+docker stop sql1

CH02/Listing0235-docker rm command.txt

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+docker rm sql1

CH02/Listing0236-docker Volume rm command.txt

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+docker volume rm sqldata1

CH04/Listing0401-Install single node cluster.txt

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+wget -q -O deploy_kubeadm.sh https://bookmark.ws/ArcDemo_Linux
+chmod +x deploy_kubeadm.sh
+./deploy_kubeadm.sh

CH04/Listing0402-Install modprobe and br_netfilter.txt

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+sudo modprobe overlay
+sudo modprobe br_netfilter

CH04/Listing0403-Persist modprobe and br_netfilter.txt

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+cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf
+overlay
+br_netfilter
+EOF

CH04/Listing0404-Persist system parameters for containerd.txt

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+cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
+net.bridge.bridge-nf-call-iptables  = 1
+net.ipv4.ip_forward                 = 1
+net.bridge.bridge-nf-call-ip6tables = 1
+EOF

CH04/Listing0405-Apply sysctl changes.txt

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+sudo sysctl --system

CH04/Listing0406-Install containerd.txt

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+sudo apt-get update 
+sudo apt-get install -y containerd

CH04/Listing0407-Create containerd config.txt

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+sudo mkdir -p /etc/containerd
+sudo containerd config default | sudo tee /etc/containerd/config.toml

CH04/Listing0408-Edit containerd config.txt

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+sudo vi /etc/containerd/config.toml

CH04/Listing0409-Section in containerd config.txt

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+[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]

CH04/Listing0410-Lines to be added to containerd config.txt

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+[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
+  SystemdCgroup = true

CH04/Listing0411-Restart containerd.txt

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+sudo systemctl restart containerd

CH04/Listing0412-Status of containerd.txt

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+sudo systemctl status containerd

CH04/Listing0413-Add Google gpg key.txt

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+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -

CH04/Listing0414-Add Kubernetes apt repository.txt

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+sudo bash -c 'cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
+deb https://apt.kubernetes.io/ kubernetes-xenial main
+EOF'

CH04/Listing0415-Update apt package list.txt

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+sudo apt-get update
+apt-cache policy kubelet | head -n 20 

CH04/Listing0416-Install Kubernetes packages.txt

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+sudo apt-get install -y kubelet kubeadm kubectl

CH04/Listing0417-Install specific version of Kubernetes packages.txt

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+VERSION=1.20.1-00
+sudo apt-get install -y kubelet=$VERSION kubeadm=$VERSION kubectl=$VERSION

CH04/Listing0418-Mark Kubernetes packages and containerd as hold.txt

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+sudo apt-mark hold kubelet kubeadm kubectl containerd

CH04/Listing0419-Check status of kubelet and containerd.txt

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+sudo systemctl status kubelet.service 
+sudo systemctl status containerd.service 

CH04/Listing0420-Enable startup on reboot for kubelet and containerd.txt

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+sudo systemctl enable kubelet.service
+sudo systemctl enable containerd.service

CH04/Listing0421-Create kubeadm configuration file.txt

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+kubeadm config print init-defaults | tee ClusterConfiguration.yaml

CH04/Listing0422-Modify kubeadm config file.txt

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+sed -i 's/  advertiseAddress: 1.2.3.4/  advertiseAddress: 172.16.94.10/' ClusterConfiguration.yaml
+
+sed -i 's/  criSocket: \/var\/run\/dockershim\.sock/  criSocket: \/run\/containerd\/containerd\.sock/' ClusterConfiguration.yaml
+
+cat <<EOF | cat >> ClusterConfiguration.yaml
+---
+apiVersion: kubelet.config.k8s.io/v1beta1
+kind: KubeletConfiguration
+cgroupDriver: systemd
+EOF

CH04/Listing0423-Get current kubeadm version.txt

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+kubeadm version