backup
This commit is contained in:
1708-huayu
parent
fc99a64d28
commit
43b2129767
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@ -15,8 +15,6 @@ mount /dev/sda2 old
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strace mount /dev/sda2 old
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```
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将磁盘挂载到系统，写入配置文件避免每次都点击文件加载。
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查看挂载
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@ -1,4 +1,5 @@
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## 配置
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```shell
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cat > coredns.yaml << "EOF"
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apiVersion: v1
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@ -199,10 +200,12 @@ spec:
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- name: metrics
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port: 9153
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protocol: TCP
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EOF
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```
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## 启动
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```shell
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kubectl apply -f coredns.yaml
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```
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@ -21,5 +21,4 @@ vi /etc/named.rfc1912.zones
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vi hy.com.zone
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systemctl start named
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```
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@ -1,5 +1,5 @@
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# push镜像使用http
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```
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# 修改配置文件
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vi /etc/docker/daemon.json
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@ -28,4 +28,3 @@ docker tag 4d69ba36298c 172.21.13.108:80/platform-v3/jeecg-boot-system:3.1.0922-
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# 推送远程仓库
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docker push 172.21.13.108:80/platform-v3/jeecg-boot-system:3.1.0922-mdm
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```
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@ -1,5 +1,16 @@
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```shell
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```javascript
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# 设置容器总是重启
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docker update --restart=always f854fe55ed76
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```
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# 查看网络
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docker network ls
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# 创建桥接网络task-manager
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docker network create --driver bridge task-manager
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# 将现有的容器8a74f2c64cdc连接到网络task-manager
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docker network connect task-manager 8a74f2c64cdc
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# 查看网络task-manager
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docker network inspect task-manager
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# 运行容器时使用网络task-manager
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docker run -d -p 8090:8090 --network task-manager --restart unless-stopped -v ./hosts:/etc/hosts --name task-manager-server task-manager-server
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```
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@ -0,0 +1,11 @@
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配置文件地址
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cat /etc/vsftpd.conf
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日志地址
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sudo cat /var/log/vsftpd.log
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重启服务
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sudo systemctl restart vsftpd
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File diff suppressed because one or more lines are too long
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@ -0,0 +1,30 @@
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deb https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic main restricted universe multiverse
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deb https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-security main restricted universe multiverse
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deb https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-updates main restricted universe multiverse
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deb https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-proposed main restricted universe multiverse
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deb https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-backports main restricted universe multiverse
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deb-src https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic main restricted universe multiverse
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deb-src https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-security main restricted universe multiverse
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deb-src https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-updates main restricted universe multiverse
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deb-src https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-proposed main restricted universe multiverse
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deb-src https://mirrors.ustc.edu.cn/ubuntu-releases/ jammy bionic-backports main restricted universe multiverse
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deb http://mirrors.aliyun.com/ubuntu/ jammy bionic main restricted universe multiverse
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deb http://mirrors.aliyun.com/ubuntu/ jammy bionic-security main restricted universe multiverse
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deb http://mirrors.aliyun.com/ubuntu/ jammy bionic-updates main restricted universe multiverse
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deb http://mirrors.aliyun.com/ubuntu/ jammy bionic-proposed main restricted universe multiverse
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deb http://mirrors.aliyun.com/ubuntu/ jammy bionic-backports main restricted universe multiverse
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deb-src http://mirrors.aliyun.com/ubuntu/ jammy bionic main restricted universe multiverse
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deb-src http://mirrors.aliyun.com/ubuntu/ jammy bionic-security main restricted universe multiverse
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deb-src http://mirrors.aliyun.com/ubuntu/ jammy bionic-updates main restricted universe multiverse
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deb-src http://mirrors.aliyun.com/ubuntu/ jammy bionic-proposed main restricted universe multiverse
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deb-src http://mirrors.aliyun.com/ubuntu/ jammy bionic-backports main restricted universe multiverse
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deb http://cn.archive.ubuntu.com/ubuntu/ jammy xenial main restricted universe multiverse
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deb http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-security main restricted universe multiverse
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deb http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-updates main restricted universe multiverse
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deb http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-backports main restricted universe multiverse
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deb-src http://cn.archive.ubuntu.com/ubuntu/ jammy xenial main restricted universe multiverse
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deb-src http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-security main restricted universe multiverse
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deb-src http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-updates main restricted universe multiverse
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deb-src http://cn.archive.ubuntu.com/ubuntu/ jammy xenial-backports main restricted universe multiverse
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@ -0,0 +1,56 @@
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# 离线安装
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https://www.mongodb.com/try/download/community
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## 下载
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```shell
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wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1804-4.2.25.tgz
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```
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## 解压
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```shell
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tar -zxvf mongodb-linux-x86_64-ubuntu1804-4.2.25.tgz
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```
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## 配置环境变量
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```shell
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# mongodb-install-directory 换为解压位置
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# sudo cp <mongodb-install-directory>/bin/* /usr/local/bin/
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sudo cp mongodb-linux-x86_64-ubuntu1804-4.2.25/bin/* /usr/local/bin/
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```
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## 启动
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```shell
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mongod --dbpath /var/lib/mongo --logpath /var/log/mongodb/mongod.log --fork
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# 报错
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mongod: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory
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# 全局查找文件
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find / -name 'libssl.so.1.1'
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# 复制到使用位置
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cp /snap/core18/2812/usr/lib/x86_64-linux-gnu/libssl.so.1.1 /usr/lib/libssl.so.1.1
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tail -f /var/log/mongodb/mongod.log
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waiting for connections on port 27017
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```
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```
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# 查看数据库
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show dbs;
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# 创建切换数据库
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use testdb;
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# 先创建集合，类似数据库中的表
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db.createCollection("testtab")
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# 查看集合表
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show tables
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# 插入数据
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db.testdb.insertOne({"name":"菜鸟教程"})
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db.testtab.insert({title: 'MongoDB 教程',
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description: 'MongoDB 是一个 Nosql 数据库',
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by: '教程',
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url: 'http://www.baidu.com',
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tags: ['mongodb', 'database', 'NoSQL'],
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likes: 100
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})
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# 查看信息
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db.testtab.find()
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# 修改
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db.testtab.update({'title':'MongoDB 教程'},{$set:{'title':'MongoDB MongoDB'}})
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```
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@ -0,0 +1,27 @@
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# LBCC
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Lock Base Concurrency Control 基于锁的并发控制。
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# MVCC
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Multi-Version Concurrency Control，即多版本并发控制
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生成快照read view
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隐藏字段，redolog
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# 处理幻读
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在一个事物中同时出现快照读，当前读和数据插入（另一个事物）会出现事物。
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## 串行化
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## 间隙锁
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select * from user where age = 18 for update;
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show engine innodb status\G;(需要开启参数innodb_status_output和innodb_status_output_lock)
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# 锁根据索引处理
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记录锁(行锁)，间隙锁，临界锁
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@ -2,6 +2,20 @@
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-- 查找参数
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SHOW GLOBAL VARIABLES;
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SHOW GLOBAL VARIABLES like 'offline_mode';
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-- 创建用户 允许任何ip连接
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CREATE USER 'closeToU8'@'%' IDENTIFIED BY 'frpPurchase8*';
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-- 授予权限
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GRANT SELECT, update ON frp_xiongbang.f_api_address TO 'closeToU8'@'%';
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FLUSH PRIVILEGES;
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select * from f_api_address where remarks like '%采购%'
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select * from f_api_address where id in ('11016','11006') and remarks like '%采购%'
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update f_api_address set delete_flag = 1 where id in ('11016','11006');
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select * from f_api_address where id in ('11016','11006');
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update f_api_address set delete_flag = 0 where id in ('11016','11006');
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select * from f_api_address where id in ('11016','11006');
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```
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@ -0,0 +1,5 @@
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## 连接不够
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## 连接超时
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@ -0,0 +1,33 @@
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# Innodb
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存储文件有2个，表结构文件和索引数据文件，索引和数据在一个文件中，减少一次io。
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# MySim
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存储需要3个文件，表结构文件，索引文件和数据文件，先比Innodb多一次io。
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# 二叉树
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1. 二叉树
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2. BST树，Binary Search Tree，二叉搜索树
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3. AVL树
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4. 红黑树
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# 多叉树
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B-树，数据存储在节点上
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B+树，数据存贮在最终叶子节点上
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相同树高下B+数可以搜索更多数据。
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一般情况下3-4层的B+数可以支持千万级别的数据量。
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对于频繁更新的字段，最好不要添加索引。
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数据迁移比较慢，可以先删除索引，数据迁移完成后，重新构建索引。
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跟数据绑定的索引称为聚簇索引，没有跟数据绑定的索引称为非聚簇索引。
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数据只存储一份，一个索引一个树，其他索引的叶子节点指向聚簇索引。
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@ -19,11 +19,20 @@ select * from information_schema.innodb_trx;
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kill trx_mysql_thread_id;
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select trx_mysql_thread_id from information_schema.innodb_trx where trx_state ='LOCK WAIT ';
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-- 查看所有进程
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SELECT * FROM information_schema.processlist
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show full processlist;
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```
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```sql
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-- sql 执行时间
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show global variables where Variable_name = 'max_execution_time'；
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SET GLOBAL MAX_EXECUTION_TIME=1000;
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SET SESSION MAX_EXECUTION_TIME=1000;
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SELECT max_execution_time=1000 SLEEP(10), a.* from test a;
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```
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select * from information_schema.`COLUMNS` where TABLE_SCHEMA='platform3_dev' and COLLATION_NAME='utf8mb4_unicode_ci' and TABLE_NAME like 'bfm_ems_equipment_maintenance%' and COLUMN_NAME LIKE '%id%' limit 1000;
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连接超时
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|
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@ -2,13 +2,13 @@
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## 下载地址
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https://dev.mysql.com/downloads/mysql/
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[https://dev.mysql.com/downloads/mysql/](https://dev.mysql.com/downloads/mysql/)
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## 下载版本
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Linux Generic linux通用版本
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```sh
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```javascript
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# 查看glibc版本
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[root@hy-node6 ~]# ldd --version
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ldd (GNU libc) 2.17
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@ -27,9 +27,9 @@ wget https://dev.mysql.com/get/Downloads/MySQL-8.1/mysql-8.1.0-linux-glibc2.17-x
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## 安装参考地址
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https://dev.mysql.com/doc/refman/8.1/en/binary-installation.html
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[https://dev.mysql.com/doc/refman/8.1/en/binary-installation.html](https://dev.mysql.com/doc/refman/8.1/en/binary-installation.html)
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```sh
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```javascript
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# 添加用户组mysql 查看用户组 cat /etc/group
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groupadd mysql
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# 添加用户 hy-mysql并添加到用户组mysql 查看用户 cat /etc/passw
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@ -38,6 +38,7 @@ useradd -r -g mysql -s /bin/false hy-mysql
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tar xvf mysql-8.1.0-linux-glibc2.17-x86_64.tar
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# 解压
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xz -dc mysql-8.1.0-linux-glibc2.17-x86_64.tar.xz | tar x
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chmod 777 mysqld
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# 设置环境变量
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export PATH=$PATH:/software/mysql/mysql-8.1.0-linux-glibc2.17-x86_64/bin
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# 使环境变量生效
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@ -48,11 +49,11 @@ source /etc/profile
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## 参考地址
|
||||
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||||
https://dev.mysql.com/doc/refman/8.1/en/postinstallation.html
|
||||
[https://dev.mysql.com/doc/refman/8.1/en/postinstallation.html](https://dev.mysql.com/doc/refman/8.1/en/postinstallation.html)
|
||||
|
||||
## 配置文件地址
|
||||
|
||||
```sh
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||||
```javascript
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# 备份配置文件
|
||||
cp my.cnf my.cnf.backup
|
||||
# 默认配置文件，不建议修改建议使用默认
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||||
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|
@ -67,7 +68,7 @@ basedir=/software/mysql/basedir
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socket=/software/mysql/socket/mysql.sock
|
||||
```
|
||||
|
||||
```
|
||||
```javascript
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||||
# 设置地址授权,用于配置文件地址路径
|
||||
[root@hy-node6 mysql-8.1.0-linux-glibc2.17-x86_64]# pwd
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/software/mysql
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|
@ -87,9 +88,9 @@ socket=/software/mysql/socket/mysql.sock
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|||
|
||||
## 使用systemctl启动
|
||||
|
||||
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-post-install.html#secure-deployment-startup-options
|
||||
[https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-post-install.html#secure-deployment-startup-options](https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-post-install.html#secure-deployment-startup-options)
|
||||
|
||||
```
|
||||
```javascript
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||||
cd /usr/lib/systemd/system
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||||
touch mysqld.service
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||||
chmod 644 mysqld.service
|
||||
|
|
@ -97,7 +98,7 @@ chmod 644 mysqld.service
|
|||
|
||||
写入文件
|
||||
|
||||
```
|
||||
```javascript
|
||||
[Unit]
|
||||
Description=MySQL Server
|
||||
Documentation=man:mysqld(8)
|
||||
|
|
@ -139,7 +140,7 @@ PrivateTmp=false
|
|||
|
||||
开始设置
|
||||
|
||||
```
|
||||
```javascript
|
||||
systemctl enable mysqld.service
|
||||
systemctl start mysqld
|
||||
systemctl status mysqld
|
||||
|
|
@ -150,7 +151,7 @@ systemctl status mysqld
|
|||
```sql
|
||||
mysql -u root -p
|
||||
# 修改密码
|
||||
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';
|
||||
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456'; -- Sxh910911!
|
||||
# 设置远程连接
|
||||
CREATE USER 'root'@'127.0.0.1' IDENTIFIED BY '123456';
|
||||
CREATE USER 'root'@'::1' IDENTIFIED BY '123456';
|
||||
|
|
@ -161,8 +162,6 @@ GRANT ALL ON *.* TO 'root'@'%';
|
|||
flush privileges;
|
||||
```
|
||||
|
||||
|
||||
|
||||
# 遇到问题
|
||||
|
||||
## 一
|
||||
|
|
@ -184,7 +183,7 @@ ln -s /software/mysql/socket/mysql.sock /tmp/mysql.sock
|
|||
|
||||
修改配置文件/etc/my.conf 添加保证client和mysqld中socket相同
|
||||
|
||||
```
|
||||
```javascript
|
||||
[client]
|
||||
port=3306
|
||||
socket=/software/mysql/socket/mysql.sock
|
||||
|
|
@ -192,15 +191,14 @@ socket=/software/mysql/socket/mysql.sock
|
|||
|
||||
# 多实例启动
|
||||
|
||||
https://dev.mysql.com/doc/refman/8.1/en/using-systemd.html
|
||||
[https://dev.mysql.com/doc/refman/8.1/en/using-systemd.html](https://dev.mysql.com/doc/refman/8.1/en/using-systemd.html)
|
||||
|
||||
# 从机安装
|
||||
|
||||
复制安装包
|
||||
|
||||
```
|
||||
```javascript
|
||||
scp mysql-8.1.0-linux-glibc2.17-x86_64.tar.xz root@192.168.1.120:/software/mysql
|
||||
|
||||
root@localhost: %mfSO2t==tkF
|
||||
```
|
||||
|
||||
```
|
||||
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Reference in New Issue