IT operations

灾备行业最全常用术语

灾备 灾备即灾难备援,它是指利用科学的技术手段和方法,提前建立系统化的数据应急方式,以应对灾难的发生,包括数据备份和系统备份,业务连续规划、人员架构、通信保障、危机公关,灾难恢复规划、灾难恢复预案、业务恢复预案、紧急事件响应、第三方合作机构和供应链危机管理等等。 灾备等级 根据恢复的目标与需要的成本投入,灾备大体可以分为三个等级,如图-1可以用三个嵌套的同心圆表示,从数据级灾备、应用级灾备到业务级灾备,业务恢复等级逐步提高,而需要的投资费用也相应增长。

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Windows

Windows Server 2016 Remote Desktop Licensing

Server 2016 默认远程桌面连接数是 2 个用户,如果多余两个用户进行远程桌面连接时,系统就会提示超过连接数,可以通过添加远程桌面授权解决: 1、添加远程桌面授权服务 第一步:服务器管理 – 添加角色和功能打开添加角色和功能向导窗口,选择基于角色或给予功能安装: 第二步:添加远程桌面会话主机和远程桌面授权功能:

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Technology

Getting an SMIME certificate

Sources of Free S/MIME Certificates Free certificates usable for S/MIME are available from: Actalis CAcert (CAcert is NOT one of the trusted authorities built-in to FireFox and ThunderBird. The connection is also untrusted) Comodo (They’ve changed their name to

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PowerShell

Managing WSUS

Block 1: Connect to the WSUS server and set the configuration. We are first going to set the property “Download update files to this server only when updates are appoved”, turn off all update languages,

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