docs: 📰 [#2. eks] aews 2주차 정리

_posts/aews/2025-02-16-aews02.md

@@ -519,7 +519,7 @@ export KUBECONFIG=~/Downloads/kubeconfig
 **(2) 배포**
 
 ```bash
-**eksctl create cluster -f myeks.yaml --verbose 4**
+eksctl create cluster -f myeks.yaml --verbose 4
 ```
 ![Image](https://github.com/user-attachments/assets/e506d8ad-f0cb-4b77-8d66-632d5cf59845)
 
@@ -926,7 +926,7 @@ aws ec2 authorize-security-group-ingress --group-id $MNSGID --protocol '-1' --ci
 - **Operator 서버 내부 IP 인바운드 규칙 추가**
 
 ```bash
-aws ec2 authorize-security-group-ingress --group-id $MNSGID --protocol '-1' --cidr **172.20.1.100/32
+aws ec2 authorize-security-group-ingress --group-id $MNSGID --protocol '-1' --cidr 172.20.1.100/32
 
 # 결과**
 {
@@ -1740,19 +1740,19 @@ default via 192.168.3.1 dev ens5 proto dhcp src 192.168.3.72 metric 1024
 ```bash
 # 터미널 1
 ssh ec2-user@$N1
-**watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"**
+watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"
 ```
 
 ```bash
 # 터미널 2
 ssh ec2-user@$N2
-**watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"**
+watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"
 ```
 
 ```bash
 # 터미널 3
 ssh ec2-user@$N3
-**watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"**
+watch -d "ip link | egrep 'ens|eni' ;echo;echo "[ROUTE TABLE]"; route -n | grep eni"
 ```
 
 **(2) netshoot-pod 디플로이먼트 생성**
@@ -1764,7 +1764,7 @@ kind: **Deployment**
 metadata:
   name: netshoot-pod
 spec:
-  **replicas: 3**
+  replicas: 3
   selector:
     matchLabels:
       app: netshoot-pod
@@ -1778,7 +1778,7 @@ spec:
         image: **nicolaka/netshoot**
         command: ["tail"]
         args: ["-f", "/dev/null"]
-      **terminationGracePeriodSeconds: 0**
+        terminationGracePeriodSeconds: 0
 EOF
 
 ```
@@ -2214,7 +2214,7 @@ kubectl exec -it $PODNAME1 -- ping -c 1 www.google.com
 ### **2. 외부로 지속적 ping 테스트**
 
 ```bash
-**kubectl exec -it $PODNAME1 -- ping -i 0.1** www.google.com
+kubectl exec -it $PODNAME1 -- ping -i 0.1 www.google.com
 ```
 
 ![Image](https://github.com/user-attachments/assets/063608c2-140a-4993-bddf-566975d7eece)
@@ -2394,7 +2394,7 @@ watch -d 'sudo iptables -v --numeric --table nat --list AWS-SNAT-CHAIN-0; echo ;
 `conntrack` 명령어로 NAT된 연결 상태 확인
 
 ```bash
-**for i in $N1 $N2 $N3; do echo ">> node $i <<"; ssh ec2-user@$i sudo conntrack -L -n |grep -v '169.254.169'; echo; done**
+for i in $N1 $N2 $N3; do echo ">> node $i <<"; ssh ec2-user@$i sudo conntrack -L -n |grep -v '169.254.169'; echo; done
 ```
 
 ✅ **출력**
@@ -3441,9 +3441,6 @@ EOF             number: 80e-2048rget-type: ipt-facing
 namespace/game-2048 created
 deployment.apps/deployment-2048 created
 service/service-2048 created
-ingress.networking.k8s.io/ingress-2048 createdIngress는 클러스터 내부 서비스(ClusterIP, NodePort, LoadBalancer)를 외부에 HTTP/HTTPS로 노출하는 웹 프록시 역할을 함
-1. 게임 파드와 Service, Ingress 배포
-
 ```
 
 ### **2. 모니터링**
@@ -3718,7 +3715,7 @@ kubectl logs deploy/external-dns -n kube-system -f
 # 테트리스 디플로이먼트 배포
 cat <<EOF | kubectl apply -f -
 apiVersion: apps/v1
-kind: **Deployment**
+kind: Deployment
 metadata:
   name: tetris
   labels:
@@ -3735,15 +3732,15 @@ spec:
     spec:
       containers:
       - name: tetris
-        image: **bsord/tetris**
+        image: bsord/tetris
 ---
 apiVersion: v1
-kind: **Service**
+kind: Service
 metadata:
   name: tetris
   annotations:
-    service.beta.kubernetes.io/aws-load-balancer-nlb-target-type: **ip**
-    service.beta.kubernetes.io/aws-load-balancer-scheme: **internet-facing**
+    service.beta.kubernetes.io/aws-load-balancer-nlb-target-type: ip
+    service.beta.kubernetes.io/aws-load-balancer-scheme: internet-facing
     service.beta.kubernetes.io/aws-load-balancer-cross-zone-load-balancing-enabled: "true"
     service.beta.kubernetes.io/aws-load-balancer-backend-protocol: "http"
     #service.beta.kubernetes.io/aws-load-balancer-healthcheck-port: "80"
@@ -3754,9 +3751,10 @@ spec:
   - port: 80
     protocol: TCP
     targetPort: 80
-  **type: LoadBalancer
-  loadBalancerClass: service.k8s.aws/nlb**
+    type: LoadBalancer
+  loadBalancerClass: service.k8s.aws/nlb
 EOF
+
 deployment.apps/tetris created
 service/tetris created
 ```
@@ -4277,7 +4275,7 @@ metadata:
 ### **9. 부하 분산 테스트**
 
 ```bash
-kubectl exec -it netshoot-pod -- zsh -c "for i in {**1..100**}; do curl -s **svc-clusterip** | grep Hostname; done | sort | uniq -c | sort -nr"
+kubectl exec -it netshoot-pod -- zsh -c "for i in {1..100}; do curl -s svc-clusterip | grep Hostname; done | sort | uniq -c | sort -nr"
 ```
 
 ✅ **출력**