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                [TOC] ***** # **安裝 Docker** <br > ## **安裝 Docker** 1. 在 Linux 機器上打開一個新的 Shell。 2. 使用 wget 從 [https://get.docker.com](https://get.docker.com) 獲取并運行 Docker 安裝腳本,然后采用 Shell 中管道(pipe)的方式來執行這個腳本。 ```shell # wget -qO- https://get.docker.com/ | sh ``` 3. 啟動 Docker 并將其設置為開機啟動。 ``` # systemctl start docker # systemctl enable docker ``` 3. 最好通過非 root 用戶來使用 Docker。這時需要添加非 root 用戶到本地 Docker Unix 組當中。下面的命令展示了如何把名為 lemon 的用戶添加盜 Docker 組中,以及如何確認操作是否執行成功。請讀者自行使用系統中的有效用戶。 ```shell # sudo usermod -aG docker lemon # cat /etc/group | grep docker ``` > 如果讀者當前登錄用戶就是要添加到 Docker 組中的用戶的話,則需要重新登錄,組權限設置才會生效。 4. 恭喜!Docker 已經在讀者的 Linux 機器上安裝成功。運行下面命令來確認安裝結果。 ```shell $ docker --version Docker version 19.03.5, build 633a0ea $ docker system info Client: Debug Mode: false Server: Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 0 Server Version: 19.03.5 Storage Driver: overlay2 Backing Filesystem: xfs Supports d_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: b34a5c8af56e510852c35414db4c1f4fa6172339 runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657 init version: fec3683 Security Options: seccomp Profile: default Kernel Version: 3.10.0-1062.9.1.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 2 Total Memory: 3.84GiB Name: vmsrv ID: EORB:X7ZF:HFAH:76I4:MHT5:NCLY:4GCL:67GB:VBKI:ERPB:7NTA:5AIS Docker Root Dir: /var/lib/docker Debug Mode: false Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled ``` <br > ## **配置 Docker** 1. 配置國內鏡像: ``` # cat <<EOF > /etc/docker/daemon.json { "registry-mirrors": [ "https://registry.docker-cn.com", "http://hub-mirror.c.163.com", "https://mirror.ccs.tencentyun.com", "https://tzddjd6l.mirror.aliyuncs.com" ], "insecure-registries": [], "debug": true, "experimental": false } EOF ``` 2. 重啟 Docker: ``` # systemctl restart docker ``` <br > ## **Docker 實例** <br > ### **Oracle Database 11g XE** 1. 拉取鏡像。 ``` $ docker pull oracleinanutshell/oracle-xe-11g ``` 2. 創建并運行容器。 ``` $ docker run --name oracle11g -d -p 1521:1521 -p 8080:8080 -e ORACLE_ALLOW_REMOTE=true oracleinanutshell/oracle-xe-11g ``` * \-d:已守護進程的方式在后臺運行容器。 3. 修改 SYSTEM 密碼,初始密碼:`oracle`。 ``` $ docker exec -it oracle11g bash $ sqlplus Enter user-name: system Enter password: oracle SQL> alter user system identified by admin123; SQL> exit; $ exit ``` <br > ### **Oracle Database 12c** 1. 在 Docker Hub 中查看 Oracle Database 的安裝說明。 2. 登錄 Docker Hub,搜索到 Oracle Database 鏡像,并點擊 Proceed to Checkout。 ![](https://img.kancloud.cn/4d/24/4d244501c276ca50e8769325811768c7_1313x787.png) 3. 填寫聯系信息,并同意協議,點擊 Get Content。 ![](https://img.kancloud.cn/f2/f6/f2f603ccf1e00638d51b12c92718b83b_1313x761.png) 4. 系統返回 Setup Instructions。 5. 拉取鏡像。 ``` $ docker login $ docker pull store/oracle/database-enterprise:12.2.0.1 ``` 6. 創建并運行容器。 ``` $ docker run -d -it --name oracle12c -p 1521:1521 -p 5500:5500 -e DB_SID=ORCLCDB -e DB_MEMORY=2G store/oracle/database-enterprise:12.2.0.1 ``` 7. 注意:啟動較慢,請耐心等待。使用`docker ps`命令查看容器狀態,狀態變成 healthy 即代表啟動完成。 ``` $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 11a27f8db0e9 store/oracle/database-enterprise:12.2.0.1 "/bin/sh -c '/bin/ba…" 9 minutes ago Up 9 minutes (healthy) 0.0.0.0:1521->1521/tcp, 0.0.0.0:5500->5500/tcp oracle12c ``` 8. 修改 SYS 密碼。 ``` $ docker exec -it oracle12c bash [oracle@11a27f8db0e9 /]$ sqlplus /nolog SQL> conn / as sysdba SQL> alter user sys identified by admin123; SQL> exit; $ exit ``` 9. 使用 Oracle SQL Developer 創建連接,驗證安裝是否成功。 ![](https://img.kancloud.cn/54/25/54259d155ca3eca8370d422507770287_769x415.png) 10. 啟動數據庫的歸檔模式。 ``` $ sqlplus / as sysdba SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount; ORACLE instance started. Total System Global Area 671088640 bytes Fixed Size 8796384 bytes Variable Size 213911328 bytes Database Buffers 440401920 bytes Redo Buffers 7979008 bytes Database mounted. SQL> alter database archivelog; Database altered. SQL> alter database open; Database altered. SQL> exit; ``` 11. 啟用補充日志。 ``` $ sqlplus / as sysdba SQL> alter database add supplemental log data (all) columns; Database altered. SQL> exit; ``` 12. 創建 Oracle 用戶。 ``` create role logmnr_role; grant create session to logmnr_role; grant execute_catalog_role,select any transaction ,select any dictionary to logmnr_role; create user kminer identified by kminerpass; grant logmnr_role to kminer; alter user kminer quota unlimited on users; create role c##logmnr_role; grant create session to c##logmnr_role; grant execute_catalog_role,select any transaction ,select any dictionary,logmining to c##logmnr_role; create user c##kminer identified by kminerpass; grant c##logmnr_role to c##kminer; alter user c##kminer quota unlimited on users set container_data = all container = current; ```
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