devops day 3 aug21

OPENSHIFT
1001  crc status
 1002  eval $(crc oc-env)
 1003  oc get all
 1004  oc create deploy mynginx --image=nginx
 1005  oc new-app --docker-image=mariadb
 1006  oc get all
 1007  oc api-resources
 1008  oc api-resources | wc
 1009  oc create deploy blue-nginx --image=binami/nginx:1.14 --replicas=3
 1010  oc get all
 1011  oc delete deploy blue-nginx
 1012  oc create deploy quay.io:/bitnami/nginx:1.14 --replicas=3
 1013  oc create deploy --image=quay.io:/bitnami/nginx:1.14 --replicas=3
 1014  oc create deploy blue-nginx --image=quay.io:/bitnami/nginx:1.14 --replicas=3
 1015  oc get all
 1016  podman search nginx | grep bitnami
 1017  podman search nginx
 1018  oc create deploy blue-nginx --image=quay.io/bitnami/nginx:1.14 --replicas=3
 1019  oc delete deploy blue-nginx
 1020  oc create deploy blue-nginx --image=quay.io/bitnami/nginx:1.14 --replicas=3
 1021  oc get all
 1022  history
 1023  oc get svc
 1024  oc expose deploy blue-nginx --port=80 --name=bgnginx
 1025  alias oc=kubectl
 1026  oc get svc
 1027  unlias oc
 1028  unalias oc
 1029  oc get svc
 1030  oc get endpoints
 1031  oc get deploy blue-nginx -o yaml > green-nginx.yaml
 1032  vim green-nginx.yaml
 1033  oc create -f green-nginx.yaml
 1034  oc get pods
 1035  oc delete svc bgnginx; sleep 3; oc expose deploy green-nginx --port=80 --name=bgnginx
 1036  oc get svc
 1037  oc get endpoints
 1038  oc get pods -o wide
 1039  oc delete deploy blue-nginx
 1040  oc get is -n openshift
 1041  oc new-app php~https://github.com/sandervanvugt/simpleapp --name=simple-app
 1042  oc get all

K8S
    1  exit
    2  sudo apt install git
    3  git clone https://github.com/sandervanvugt/devopsinfourweeks
    4  cd devopsinfourweeks/
    5  ./counter.sh 12
    6  ssh [email protected]
    7  sudo apt install openssh-server
    8  systemctl status sshd
    9  ip a
   10  sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
   11  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
   12  sudo apt-key fingerprint 0EBFCD88
   13  sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
   14  sudo apt-get update
   15  sudo apt-get install docker-ce docker-ce-cli containerd.io
   16  sudo docker run hello-world
   17  history
   18  sudo poweroff
   19  minikube start --vm-driver=docker
   20  kubectl get all
   21  docker ps
   22  sudo docker ps
   23  ./countdown 12
   24  kubectl -h | less
   25  kubectl api-resources
   26  kubectl api-resources | less
   27  kubectl -h | less
   28  kubectl completion -h | less
   29  source <(kubectl completion bash)
   30  kubectl get all
   31  kubectl create deployment -h | less
   32  kubectl create deployment myginx --image=nginx --replicas=3
   33  kubectl get all
   34  kubectl get all -o wide
   35  kubectl delete pod myginx-d74dcc4cb-zd8p8
   36  kubectl get all
   37  kubectl delete rs myginx-d74dcc4cb
   38  kubectl get all
   39  kubectl get pods
   40  kubectl get pods -A
   41  kubectl create deploy mydb --image=mariadb --replicas=3
   42  kubectl get all
   43  kubectl create deploy mydb --image=mariadb --replicas=3 --selector app=mydb
   44  kubectl get all --selector app=mydb
   45  kubectl get all -o wide --selector app=mydb
   46  kubectl get all --show-label --selector app=mydb
   47  kubectl get all --show-labels --selector app=mydb
   48  kubectl get all --selector app=mydb
   49  kubectl describe pod mydb-6875fcdfbd-j5gws
   50  kubectl logs mydb-6875fcdfbd-j5gws
   51  kubectl get all --selector app=mydb
   52  kubectl set env -h | less
   53  #  kubectl set env deployment/registry STORAGE_DIR=/local
   54  kubectl get deploy
   55  kubectl set env deployment/mydb MARIADB_ROOT_PW=secret
   56  kubectl logs mydb-6875fcdfbd-j5gws
   57  kubectl set env deployment/mydb MARIADB_ROOT_PASSWORD=secret
   58  kubectl get all --selector app=mydb
   59  history
   60  exit
   61  docker ps
   62  history
   63  docker search mariadb
   64  docker pull mariadb
   65  docker images
   66  docker inspect mariadb | less
   67  docker image history mariadb:latest
   68  docker inspect mariadb | less
   69  sudo -i
   70  id
   71  systemctl status docker
   72  docker images
   73  docker image -h
   74  ls
   75  cd devopsinfourweeks/
   76  l
   77  cd docker
   78  cd dockerfile/
   79  ls
   80  vim Dockerfile
   81  sudo apt install -y vim
   82  vim Dockerfile
   83  docker run -d nginx
   84  docker exec -it nginx sh
   85  docker ps
   86  docker exec -it hopeful_saha sh
   87  docker run -it nginx sh
   88  docker images
   89  docker image inspect nginx | less
   90  pwd
   91  history
   92  ls
   93  cat Dockerfile
   94  docker build -t nmap .
   95  docker images
   96  docker image history nmap:latest
   97  docker run nmap
   98  docker ps
   99  docker ps -a
  100  cd ..
  101  ./counter.sh 13
  102  cd
  103  docker pull sandervanvugt/august
  104  docker images
  105  docker run sandervanvugt/august
  106  docker rmi sandervanvugt/august
  107  docker ps
  108  docker ps -a
  109  docker rm competent_jones
  110  docker rm serene_hopper
  111  docker rmi sandervanvugt/august
  112  docker run sandervanvugt/august
  113  sudo apt install nfs-server nfs-common
  114  sudo mkdir /nfsdata
  115  vim /etc/exports
  116  sudo vim /etc/exports
  117  sudo chown nobody:nogroup /nfsdata
  118  sudo systemctl restart nfs-kernel-server
  119  showmount -e localhost
  120  docker volume ls
  121  docker volume create --driver local --opt type=nfs --opt o=addr=127.0.0.1,rw --opt device=:/nfsdata nfsvol
  122  docker volume ls
  123  docker volume inspect nfsvol
  124  docker run -it --name nfstest --rm --mount source=nfsvol,target=/data nginx:latest /bin/sh
  125  docker ps
  126  docker ps -a
  127  ls /nfsdata/
  128  free -m
  129  lscpu
  130  git clone https://github.com/sandervanvugt/kubernetes
  131  cd kubernetes/
  132  ls
  133  cd ../devopsinfourweeks/
  134  ls
  135  ./counter.sh 13
  136  cd simple-nginx/
  137  ls
  138  vim docker-compose.yml
  139  docker-compose up -d
  140  sudo apt install docker-compose
  141  docker-compose up -d
  142  docker ps
  143  docker volume ls
  144  cd ..
  145  vim wordpress-mysql/
  146  docker-compose up -d
  147  ls
  148  cd wordpress-mysql/
  149  ls
  150  docker-compose up -d
  151  docker ps
  152  cd ../..
  153  cd kubernetes/
  154  ls
  155  ./minikube-docker-setup.sh
  156  exit
  157  history
  158  sudo poweroff
  159  minikube status
  160  minikube start
  161  ls
  162  cd devopsinfourweeks/
  163  ls
  164  source <(kubectl completion bash)
  165  kubectl create deployment -h | less
  166  kubectl create deployment mynginx --image=nginx --replicas=3 --dry-run=client -o json
  167  kubectl create deployment mynginx --image=nginx --replicas=3 --dry-run=client -o yaml
  168  kubectl create deployment mynginx --image=nginx --replicas=3 --dry-run=client -o yaml > mynginx.yaml
  169  vim mynginx.yaml
  170  kubectl explain deployment
  171  kubectl explain deployment.spec
  172  kubectl explain deployment.spec | less
  173  vim mynginx.yaml
  174  kubectl get all
  175  kubectl delete deploy myginx
  176  kubectl create -f mynginx.yaml
  177  kubectl get all
  178  kubect get pods -o wide --selector app=mynginx
  179  kubectl get pods -o wide --selector app=mynginx
  180  kubectl api-resources
  181  kubectl api-resources | wc
  182  kubectl get all
  183  kubectl get all --selector app=mynginx
  184  kubectl get all --selector app=mynginx -o wide
  185  kubectl expose deploy mynginx --port=80
  186  kubectl get all --selector app=mynginx -o wide
  187  curl 10.107.227.77
  188  minikube ssh
  189  cd ..
  190  git clone https://github.com/sandervanvugt/ckad
  191  cd ckad
  192  ls *ingres*
  193  vim nginxsvc-ingress.yaml
  194  kubectl get svc -o yaml
  195  kubectl get svc
  196  kubectl get endpoints
  197  kubectl get pods -o wide --selector app=mynginx
  198  ./countdown 13
  199  cd ../devopsinfourweeks/
  200  ls
  201  vim pv-pvc-pod.yaml
  202  cp pv-pvc-pod.yaml pv-pvc-not.yaml
  203  vim pv-pvc-not.yaml
  204  kubectl get pv
  205  kubectl get pvc
  206  kubectl create -f pv-pvc-not.yaml
  207  kubectl get pv
  208  kubectl get storageclass
  209  kubectl get pvc
  210  kubectl describe pods nocal-pv-pod
  211  kubectl exec -it nocal-pv-pod -- touch /usr/share/nginx/html/nello
  212  kubectl get pv
  213  kubectl describe pv pvc-015574fe-9bf0-44b9-9032-8302ac9f8171
  214  minikibe ssh
  215  minikube ssh
  216  kubectl get pvc
  217  vim pv-pvc-pod.yaml
  218  kubectl create -f pv-pvc-pod.yaml
  219  kubectl get ov
  220  kubectl get pv
  221  kubectl get pvc
  222  history
  223  kubectl get deploy
  224  kubectl delete deployments.apps mydb
  225  kubectl run mymysql --image=mysql:latest
  226  kubectl get pods
  227  kubectl describe pod mymysql
  228  kubectl logs mymysql
  229  history | grep PASS
  230  kubectl create cm variables --from-literal=MYSQL_ROOT_PASSWORD=password
  231  kubectl describe cm variables
  232  kubectl get cm variables -o yaml
  233  kubectl create cm myconf --from-file=/etc/hosts
  234  kubectl get cm myconf -o yaml
  235  kubectl create cm myvars --from-literal=VAR1=goat --from-literal=VAR2=cow
  236  vim cm-test-pod.yaml
  237  kubectl create -f cm-test-pod.yaml
  238  kubectl logs test-pod
  239  kubectl logs test1
  240  ls
  241  cat nginx-custom-config.conf
  242  kubectl create cm nginxconf --from-file nginx-custom-config.conf
  243  kubectl get cm nginxconf
  244  kubectl get cm nginxconf -o yaml
  245  vim nginx-cm.yml
  246  kubectl create -f nginx-cm.yml
  247  kubectl get pods
  248  kubectl describe nginx-cm
  249  kubectl describe pod nginx-cm
  250  kubectl delete -f nginx-cm.yml
  251  kubectl get cm
  252  vim nginx-cm.yml
  253  kubectl create -f nginx-cm.yml
  254  kubectl get pods
  255  kubectl exec -it nginx-cm -- cat /etc/nginx/conf.d/default.conf
  256  ./counter.sh 17
  257  kubectl create cm mysqlvars --from-literal=MYSQL_ROOT_PASSWORD=password
  258  kubectl create deploy -h | less
  259  kubectl create deploy mysql --image=mysql --replicas=3
  260  kubectl get all --selector app=mysql
  261  kubectl set env -h | less
  262  kubectl set env --from=configmap/mysqlvars deploy/mysql
  263  kubectl get all --selector app=mysql
  264  kubectl get deploy mysql -o yaml > mysql.yaml
  265  vim mysql.yaml
  266  history
  267  kubectl api-resources
  268  kubectl api-resources | wc
  269  kubectl get svc
  270  kubectl get endpoints
  271  kubectl get all --selector app=mynginx
  272  kubectl get all --selector app=mynginx --show-labels -o wide
  273  kubectl label pod mynginx-5b686ccd46-szjz9 app-
  274  kubectl get all --selector app=mynginx --show-labels -o wide
  275  kubectl get pods -o wide --show-labels
  276  kubectl get endpoints
  277  kubectl get svc -o yaml
  278  kubectl get svc mynginx -o yaml
  279  ./counter.sh 12
  280  cd ..
  281  rm -rf devopsinfourweeks/
  282  git pull https://github.com/sandervanvugt/devopsinfourweeks
  283  history | gre get
  284  history | grep git
  285  git clone https://github.com/sandervanvugt/devopsinfourweeks
  286  cd devopsinfourweeks/
  287  ls
  288  kubectl get deploy
  289  kubectl delete deploy mynginx
  290  kubectl delete deploy mysql
  291  kubectl create deploy old-nginx --image=nginx:1.14 --replicas=3 --dry-run=client -o yaml > oldnginx.yaml
  292  vim oldnginx.yaml
  293  kubectl create -f oldnginx.yaml
  294  kubectl get pods,deploy --show-labels
  295  kubectl expose deploy old-nginx --name=oldnginx --port=80 --selector type=canary
  296  kubectl get svc; kubectl get endpoints
  297  kubectl get pods -o wide --selector type=canary
  298  minikube ssh
  299  kubectl get all
  300  kubectl cp old-nginx-5b4869b6fd-wndtx:/usr/share/nginx/html/index.html index.html
  301  vim index.html
  302  kubectl create configmap canary --from-file=index.html
  303  kubectl describe cm canary
  304  vim canary.yaml
  305  kubectl create -f canary.yaml
  306  kubectl get svc; kubectl get endpoints
  307  minikube ssh
  308  kubectl get deploy
  309  kubectl delete deploy old-nginx
  310  kubectl get svc; kubectl get endpoints
  311  minikube ssh
  312  history