1. 下载istio-1.17.1-linux-amd64.tar.gz，解压之后成istio-1.17.1
2.进入istio
drwxr-x--- 2 root root 22 Feb 22 17:57 bin ---------------istio的命令
-rw-r--r-- 1 root root 11348 Feb 22 17:57 LICENSE
drwxr-xr-x 5 root root 52 Feb 22 17:57 manifests ---------istio的部署、配置文件，安装主要来自这个文件夹，
-rw-r----- 1 root root 925 Feb 22 17:57 manifest.yaml
-rw-r--r-- 1 root root 6595 Feb 22 17:57 README.md
drwxr-xr-x 24 root root 4096 Feb 22 17:57 samples -----案例，其中bookinfo比较重要
drwxr-xr-x 3 root root 57 Feb 22 17:57 tools------------------一些生产证书的工具
3.vim /etc/profile添加 PATH=$PATH:/root/k8s/istio/istio-1.17.1/bin
4.istioctl install --set profile=demo -y
5. 查看情况
[root@k8s-master01 istio-1.17.1]# kubectl get pods -n istio-system
NAME READY STATUS RESTARTS AGE
istio-egressgateway-6dcb97b99-p6rgw 1/1 Running 1 (55d ago) 58d
istio-ingressgateway-685f974d7c-h8ks6 1/1 Running 1 (55d ago) 58d
istiod-6d9d7b6745-bg2jq 1/1 Running 1 (55d ago) 58d
6.查看状态：
[root@k8s-master01 istio-1.17.1]# istioctl ps
NAME CLUSTER CDS LDS EDS RDS ECDS ISTIOD VERSION
details-v1-5ffd6b64f7-nwh72.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
details-v2-5f96c65ddb-b5wfh.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
istio-egressgateway-6dcb97b99-p6rgw.istio-system Kubernetes SYNCED SYNCED SYNCED NOT SENT NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
istio-ingressgateway-685f974d7c-h8ks6.istio-system Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
mongodb-v1-879d66dff-8rxfn.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
mysqldb-v1-5f87c846cc-zr2wf.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
productpage-v1-979d4d9fc-68499.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
ratings-v1-5f9699cfdf-9x8gc.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
ratings-v2-59b9459df8-s9ktt.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
ratings-v2-mysql-686b6d6b99-rzf5c.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
ratings-v2-mysql-vm-c6bdb447-g9khn.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
reviews-v1-569db879f5-p8cws.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
reviews-v2-65c4dc6fdc-wtgpr.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
reviews-v3-c9c4fb987-xl456.istio Kubernetes SYNCED SYNCED SYNCED SYNCED NOT SENT istiod-6d9d7b6745-bg2jq 1.17.1
至此安装完成。