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go-bai · Jul 28, 2024 · ff1185f · ff1185f
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diff --git a/content/about.md b/content/about.md
@@ -8,24 +8,29 @@ author: gobai
 
 ### 目前在学的内容
 
-- golang
-- kubernetes
-- kubevirt
+- **golang**
+- **kubernetes**
+- **kubevirt**
 - ceph
+- linux
 - openstack
 - terraform
 - postgresql
+- mysql
+- redis
 - sqlite
-- linux
 
 ### 我的设备
 
 - Macbook Pro 2018 15 inch 16+256
 - 零刻 SER5 Pro AMD Ryzen7-5700U
     - Ubuntu 22.04 + QEMU/KVM
 - 5G CPE VN009
+- iPad mini6
 - OnePlus 9R
 
 ### 联系方式: 
 
-- email: `NTk5NTAwNjg4QHFxLmNvbQ==`
+```bash
+echo -n NTk5NTAwNjg4QHFxLmNvbQ== | base64 -d
+```
diff --git a/content/posts/k8s/rke2.md b/content/posts/k8s/rke2.md
@@ -121,6 +121,42 @@ mv linux-amd64/helm /usr/local/bin/helm
 rm -f helm-${HELM_LATEST_VERSION}-linux-amd64.tar.gz && rm -rf linux-amd64/
 ```
 
+## RKE2架构
+
+RKE2 Server 和 Agent 有利用 k3s 的 agent
+
+### 进程生命周期
+
+rke2进程使用systemd守护运行, rke2生成containerd进程和kubelet进程, 然后apiserver controller-manager scheduler etcd kube-proxy以static pod的形式被kubelet启动
+
+containerd进程退出时rke2也会重启, kubelet进程退出时rke2会再拉起一个kubelet进程
+
+```bash
+# ps -e --forest
+    899 ?        01:32:51 rke2
+   1101 ?        01:58:12  \_ containerd
+   1123 ?        05:23:44  \_ kubelet
+   1227 ?        00:02:15 containerd-shim
+   1344 ?        00:00:00  \_ pause
+   1500 ?        05:12:21  \_ etcd
+   1228 ?        00:02:22 containerd-shim
+   1353 ?        00:00:00  \_ pause
+   2516 ?        06:26:44  \_ kube-controller
+   1229 ?        00:02:16 containerd-shim
+   1342 ?        00:00:00  \_ pause
+   2614 ?        00:44:00  \_ cloud-controlle
+   1267 ?        00:02:18 containerd-shim
+   1363 ?        00:00:00  \_ pause
+   1452 ?        00:08:46  \_ kube-proxy
+   1920 ?        00:00:00      \_ timeout <defunct>
+   1283 ?        00:02:19 containerd-shim
+   1341 ?        00:00:00  \_ pause
+   1541 ?        00:51:47  \_ kube-scheduler
+   1801 ?        00:20:15 containerd-shim
+   1821 ?        00:00:00  \_ pause
+   1852 ?        15:16:04  \_ kube-apiserver
+```
+
 ## 安装 rook ceph
 
 https://rook.io/docs/rook/latest-release/Getting-Started/quickstart/

diff --git a/content/posts/virt/libvirt.md b/content/posts/virt/libvirt.md
@@ -0,0 +1,43 @@
+---
+title: "Libvirt"
+date: 2024-07-27T22:57:08+08:00
+draft: false
+toc: true
+tags: [libvirt,virsh]
+---
+
+## `virsh` 命令
+
+### `virsh domifaddr` 查看虚拟机网卡ip
+
+
+```bash
+# virsh domifaddr k3s-node01 --source lease
+ Name       MAC address          Protocol     Address
+-------------------------------------------------------------------------------
+```
+
+通过arp获取网卡ip
+
+```bash
+# virsh domifaddr k3s-node01 --source arp
+ Name       MAC address          Protocol     Address
+-------------------------------------------------------------------------------
+ vnet18     52:54:00:0e:08:02    ipv4         192.168.1.248/0
+```
+
+通过qemu guest agent获取网卡ip
+
+```bash
+# virsh domifaddr k3s-node01 --source agent
+ Name       MAC address          Protocol     Address
+-------------------------------------------------------------------------------
+ lo         00:00:00:00:00:00    ipv4         127.0.0.1/8
+ enp1s0     52:54:00:0e:08:02    ipv4         192.168.1.248/24
+ flannel.1  92:61:59:0c:29:90    ipv4         10.42.0.0/32
+ cni0       42:fb:8d:3e:c1:a4    ipv4         10.42.0.1/24
+ vethde547696 da:18:a8:b2:ed:f0    N/A          N/A
+ vethe1841f6e ce:79:fc:e1:1e:0b    N/A          N/A
+ veth464995dc 82:a9:3b:a6:b5:49    N/A          N/A
+ veth2370e2ac 4a:c8:32:5c:fb:34    N/A          N/A
+```
diff --git a/content/posts/virt/virtio-vs-scsi.md b/content/posts/virt/virtio-vs-scsi.md