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This commit is contained in:
sandervanvugt
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138
july25.txt
138
july25.txt
@ -133,3 +133,141 @@
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133 kubectl create deploy busybox --image=busybox -- sleep 3600
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133 kubectl create deploy busybox --image=busybox -- sleep 3600
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134 kubectl exec -it busybox-5c684d4858-rkcx9 -- wget --spider --timeout=1 nwp-nginx
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134 kubectl exec -it busybox-5c684d4858-rkcx9 -- wget --spider --timeout=1 nwp-nginx
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135 history > /tmp/july25.txt
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135 history > /tmp/july25.txt
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136 dpkg =l
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137 dpkg -l
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138 dpkg -l | grep jq
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139 kubectl create ns restricted
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140 kubectl create ns resticted
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141 vim resticted.yaml
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142 kubectl create deploy nginx --image=nginx -n resticted
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143 vim resticted.yaml
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144 kubectl get ns --show-labels
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145 vim resticted.yaml
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146 kubectl apply -f resticted.yaml
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147 vim resticted.yaml
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148 kubectl apply -f resticted.yaml
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149 vim resticted.yaml
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150 kubectl expose -n resticted deployment nginx --port=80
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151 kubectl run rpod --image=busybox -- sleep infinity
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152 kubectl get pods
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153 kubectl exec -it rpod -- wget --spider --timeout=1 nginx.svc.resticted.cluster.local
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154 kubectl exec -it rpod -- wget --spider --timeout=1 nginx.resticted.svc.cluster.local
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155 vim resticted.yaml
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156 kubectl label -n resticted pod nginx-5869d7778c-6tb7c access="yes"
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157* kubectl exec -it r
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158 kubectl label pod rpod access="yes"
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159 kubectl exec -it rpod -- wget --spider --timeout=1 nginx.resticted.svc.cluster.local
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160 history
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161 cat resticted.yaml
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162 kubectl top pods
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163 kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml
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164 kubectl -n kube-system get pods
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165 kubectl logs -n kube-system metrics-server-867d48dc9c-hlslg
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166 kubectl edit -n kube-system deployments.apps metrics-server
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167 kubectl -n kube-system get pods
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168 kubectl top pods -A
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169 history
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170 kubectl create deploy webstress --image=nginx
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171 kubectl autoscale -h | less
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172 kubectl autoscale deploy webstress --min=2 --max=5 --cpu=percent=80
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173 kubectl autoscale deploy webstress --min=2 --max=5 --cpu-percent=80
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174 kubectl get hpa
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175 kubectl get deploy webstress
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176 kubectl explain hpa.spec
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177 kubectl explain hpa.spec.behavior
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178 kubectl explain hpa.spec.behavior.scaleDown
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179 kubectl edit hpa
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180 sudo -i
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181 kubectl run auto-web --image=nginx --dry-run=client -o yaml
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182 kubectl get pods -o wide
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183 history
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184 sudo apt install etcd-client
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185 sudo etcdctl --help | less
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186 ps aux | grep etcd
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187 sudo etcdctl --endpoints=localhost:2379 --cacert /etc/kubernetes/pki/etcd/ca.crt --cert /etc/kubernetes/pki/etcd/server.crt --key /etc/kubernetes/pki/etcd/server.key get / --prefix --keys-only
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188 sudo etcdctl --endpoints=localhost:2379 --cacert /etc/kubernetes/pki/etcd/ca.crt --cert /etc/kubernetes/pki/etcd/server.crt --key /etc/kubernetes/pki/etcd/server.key snapshot save /tmp/etcdbackup.db
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189 ls -l /tmp/etcdbackup.db
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190 etcdctl --write-out=table snapshot status /tmp/etcdbackup.db
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191 sudo etcdctl --write-out=table snapshot status /tmp/etcdbackup.db
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192 history
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193 kubectl get deploy
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194 kubectl delete deploy --all
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195 cd /etc/kubernetes/manifests/
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196 ls
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197 sudo mv * ..
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198 sudo crictl ps
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199 sudo mv /var/lib/etcd /var/lib/etcd-backup
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200 sudo etcdctl snapshot restore /tmp/etcdbackup.db --data-dir /var/lib/etcd
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201 ls -l /var/lib/etcd
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202 sudo ls -l /var/lib/etcd
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203 sudo mv ../*.yaml .
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204 sudo crictl ps
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205 kubectl get deploy
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206 history
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207 cd
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208 kubectl describe node control | less
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209 kubectl label node worker2 disktype=ssd
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210 cd cka/
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211 vim selector-pod.yaml
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212 kubectl delete pod --all
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213 kubectl apply -f selector-pod.yaml
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214 kubectl get pods
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215 kubectl describe pod nginx
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216 kubectl delete -f selector-pod.yaml
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217 vim selector-pod.yaml
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218 kubectl apply -f selector-pod.yaml
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219 kubectl get pods
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220 kubectl get pods -o wide
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221 kubectl get nodes
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222 kubectl describe node worker1
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223 kubectl edit node worker1
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224 kubectl describe node worker1 | less
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225 kubectl taint nodes worker1 storage=ssd:NoSchedule
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226 kubectl describe nodes worker1 | less
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227 kubectl get nodes -o wide
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228 kubectl create deploy nginx-taint --image=nginx --replicas=5
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229 kubectl get pods -o wide
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230 vim taint-toleration.yaml
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231 kubectl apply -f taint-toleration.yaml
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232 kubectl get pods tolerator -o wide
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233 vim taint-toleration.yaml
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234 kubectl apply -f taint-toleration.yaml
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235 kubectl get pods toleratoro -o wide
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236 vim taint-toleration2.yaml
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237 kubectl apply -f taint-toleration2.yaml
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238 kubectl get pods nginx-hdd -o wide
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239 history
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240 kubectl kustomize "https://github.com/nginx/nginx-gateway-fabric/config/crd/gateway-api/standard?ref=v1.6.2" | kubectl apply -f -
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241 helm install ngf oci://ghcr.io/nginx/charts/nginx-gateway-fabric --create-namespace -n nginx-gateway
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242 kubectl get pods,svc -n nginx-gateway
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243 kubectl get gc
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244 kubectl edit -n nginx-gateway svc ngf-nginx-gateway-fabric
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245 kubectl get svc -n nginx-gateway
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246 kubectl create deploy nginxgw --image=nginx --replicas=3
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247 kubectl expose deploy nginxgw --port=80
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248 vim http-routing.yaml
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249 kubectl apply -f http-routing.yaml
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250 sudo sh -c "echo 127.0.0.1 whatever.com >> /etc/hosts"
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251 kubectl -n nginx-gateway port-forward pods/ngf-nginx-gateway-fabric-6b4dfbbf6-vxqwd 8080:80 8443:443
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252 bg
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253 curl whatever.com:8080
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254 ip a
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255 sudo vim /etc/hosts
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256 kubectl get svc -n nginx-gateway
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257 curl whatever.com:32080
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258 history
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259 kubectl edit -n nginx-gateway svc ngf-nginx-gateway-fabric
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260 openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout tls.key -out tls.crt -subj "/CN=whatever.com"
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261 kubectl create secret tls gateway-tls --cert=tls.crt --key=tls.key
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262 vim tls-gateway.yaml
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263 history | grep yaml
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264 kubectl delete -f http-routing.yaml
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265 kubectl apply -f tls-gateway.yaml
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266 vim https-routing.yaml
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267 kubectl apply -f https-routing.yaml
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268 sudo apt install socat
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269 sudo socat TCP4-LISTEN:80,fork TCP4:127.0.0.1:32080 &
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270 sudo socat TCP4-LISTEN:443,fork TCP4:127.0.0.1:32443 &
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271 curl -k https://whatever.com
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272 curl http://whatever.com
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273 history > /tmp/july25.txt
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