更新文档内容

1.Linux基础/1.1常用shell/99获取系统信息.md

@@ -0,0 +1,6 @@
+### 查看系统UUID
+
+```shell
+$ cat /sys/class/dmi/id/product_uuid
+ff594d56-e05f-a672-39de-806201d083e4
+```

1.Linux基础/1.1常用shell/防火墙相关.md

@@ -0,0 +1,48 @@
+### 防火墙开放端口
+
+- `el6`
+
+```shell
+#开放端口（7777）
+iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 7777 -j ACCEPT
+#保存
+/etc/rc.d/init.d/iptables save
+#重载
+service iptables restart
+```
+
+- `el7`
+
+```shell
+firewall-cmd --zone=public --add-port=7777/tcp --permanent
+#重新载入
+firewall-cmd --reload
+```
+
+### 删除所有规则
+
+```shell
+iptables -Z
+iptables -t nat -F
+iptables -t nat -X
+iptables -t nat -P PREROUTING ACCEPT
+iptables -t nat -P POSTROUTING ACCEPT
+iptables -t nat -P OUTPUT ACCEPT
+iptables -t mangle -F
+iptables -t mangle -X
+iptables -t mangle -P PREROUTING ACCEPT
+iptables -t mangle -P INPUT ACCEPT
+iptables -t mangle -P FORWARD ACCEPT
+iptables -t mangle -P OUTPUT ACCEPT
+iptables -t mangle -P POSTROUTING ACCEPT
+iptables -F
+iptables -X
+iptables -P FORWARD ACCEPT
+iptables -P INPUT ACCEPT
+iptables -P OUTPUT ACCEPT
+iptables -t raw -F
+iptables -t raw -X
+iptables -t raw -P PREROUTING ACCEPT
+iptables -t raw -P OUTPUT ACCEPT
+
+```

1.Linux基础/1.2包管理器/yum/yum执行命令卡住解决方案.md

@@ -0,0 +1,11 @@
+```shell
+ps aux | awk '/yum/{system("kill-9"$2)}'
+#清除rpm库文件
+rm -f /var/lib/rpm/__db*
+#重新构建
+rpm --rebuilddb
+#清除yum缓存
+yum clean all && rm -rf /var/cache/yum
+#重新缓存
+yum makecache
+```

1.Linux基础/1.3系统设置/01时钟服务器配置.md

@@ -25,4 +25,10 @@ $ hwclock -r
 
 ```shell
 $ hwclock --systohc
+```
+
+手动同步
+
+```shell
+timedatectl set-ntp true
 ```

1.Linux基础/1.6虚拟化/01vsphere使用.md

@@ -84,5 +84,4 @@ df -h
 ```
 
 ![](images/extended_disk.jpg)
-
 

1.Linux基础/1.6虚拟化/exsi.md

@@ -0,0 +1,5 @@
+## 设置主机名
+
+```shell
+esxcfg-advcfg -s 新的主机名称 /Misc/hostname
+```

1.Linux基础/1.7存储/ceph/04对接k8s/03文件系统类型存储使用.md

@@ -129,12 +129,12 @@ metadata:
   namespace: ceph-csi
 stringData:
   # Required for statically provisioned volumes
-  userID: cephfs
-  userKey: AQCoW0dgQk4qGhAAwayKv70OSyyWB3XpZ1JLYQ==
+  userID: admin
+  userKey: AQCJe+Bfb6JtOhAANdn/FmcTj179PW6EI4KTng==
 
   # Required for dynamically provisioned volumes
   adminID: admin
-  adminKey: AQDkTjNgNObEHBAANGLCF23SLKYmqUd2Nxtbaw==
+  adminKey: AQCJe+Bfb6JtOhAANdn/FmcTj179PW6EI4KTng==
 EOF
 ```
 
@@ -157,15 +157,15 @@ sed -i -e "/^kind: ServiceAccount/{N;N;a\  namespace: ceph-csi  # 输入到这
 > 8.创建`ServiceAccount`和`RBAC ClusterRole/ClusterRoleBinding`资源对象
 
 ```shell
-kubectl create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-provisioner-rbac.yaml
-kubectl create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-nodeplugin-rbac.yaml
+kubectl apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-provisioner-rbac.yaml
+kubectl apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-nodeplugin-rbac.yaml
 ```
 
 > 9.创建`PodSecurityPolicy`
 
 ```shell
-kubectl create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-provisioner-psp.yaml
-kubectl create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-nodeplugin-psp.yaml
+kubectl apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-provisioner-psp.yaml
+kubectl apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-nodeplugin-psp.yaml
 ```
 
 > 10.调整`csi-cephfsplugin-provisioner.yaml`和`csi-cephfsplugin.yaml`
@@ -190,8 +190,8 @@ k8s.gcr.io/sig-storage/csi-resizer:v1.0.1
 > 11.发布`csi-cephfsplugin-provisioner.yaml`和`csi-cephfsplugin.yaml`
 
 ```shell
-kubectl -n ceph-csi create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-cephfsplugin-provisioner.yaml
-kubectl -n ceph-csi create -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-cephfsplugin.yaml
+kubectl -n ceph-csi apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-cephfsplugin-provisioner.yaml
+kubectl -n ceph-csi apply -f ceph-csi-3.2.0/deploy/cephfs/kubernetes/csi-cephfsplugin.yaml
 ```
 
 > 12.查看运行状态
@@ -212,10 +212,10 @@ cat <<EOF > ceph-csi-3.2.0/deploy/cephfs/kubernetes/storageclass.yaml
 apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
-  name: ceph-csi-cephfs-sc
+  name: kubernetes-csi-fs-sc
 provisioner: cephfs.csi.ceph.com
 parameters:
-  clusterID: b1c2511e-a1a5-4d6d-a4be-0e7f0d6d4294
+  clusterID: 1fc9f495-498c-4fe2-b3d5-80a041bc5c49
   pool: cephfs_data
   fsName: k8s-cephfs
   imageFeatures: layering

1.Linux基础/1.9安全/06-设置会话超时.md

@@ -3,6 +3,5 @@
 将值设置为`readonly` 防止用户更改
 ```shell
 echo "export TMOUT=300" >>/etc/profile
-echo "readonly TMOUT" >>/etc/profile
 . /etc/profile
 ```

1.Linux基础/rockylinux/08安装mysql.md

@@ -9,17 +9,17 @@ https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.38-linux-glibc2.12-
 2. 解压
 
 ```shell
-$ tar zxvf mysql-5.7.38-linux-glibc2.12-x86_64.tar.gz -C /usr/local
+tar zxvf mysql-5.7.38-linux-glibc2.12-x86_64.tar.gz -C /usr/local
 ```
 
 3. 创建用户授权
 
 ```shell
-$ useradd mysql
-$ mv /usr/local/mysql-5.7.38-linux-glibc2.12-x86_64 /usr/local/mysql
-$ chown mysql:mysql -R /usr/local/mysql
-$ echo "export PATH=\$PATH:/usr/local/mysql/bin" >> ~/.bash_profile
-$ source ~/.bash_profile
+useradd mysql
+mv /usr/local/mysql-5.7.38-linux-glibc2.12-x86_64 /usr/local/mysql
+chown mysql:mysql -R /usr/local/mysql
+echo "export PATH=\$PATH:/usr/local/mysql/bin" >> ~/.bash_profile
+source ~/.bash_profile
 ```
 
 4. 创建配置文件
@@ -103,11 +103,11 @@ EOF
 5. 创建所需目录
 
 ```shell
-$ mkdir -p /var/run/mysqld
-$ chown mysql:mysql /var/run/mysqld
-$ touch /var/log/mysqld.log /var/log/slow-query.log
-$ chown mysql:mysql /var/log/mysqld.log
-$ chown mysql:mysql /var/log/slow-query.log
+mkdir -p /var/run/mysqld
+chown mysql:mysql /var/run/mysqld
+touch /var/log/mysqld.log /var/log/slow-query.log
+chown mysql:mysql /var/log/mysqld.log
+chown mysql:mysql /var/log/slow-query.log
 ```
 
 6. 创建service
@@ -158,7 +158,7 @@ EOF
 7. 初始化数据
 
 ```shell
-$ /usr/local/mysql/bin/mysql_install_db --user=mysql --datadir=/var/lib/mysql
+/usr/local/mysql/bin/mysql_install_db --user=mysql --datadir=/var/lib/mysql
 ```
 
 8. 启动mysql

1.Linux基础/rockylinux/10配置chrony.md

@@ -14,4 +14,10 @@ EOF
 启动
 ```shell
 $ systemctl enable chronyd --now
+```
+
+手动同步
+
+```shell
+timedatectl set-ntp true
 ```