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用 VPS 自己搭个梯子 | Kerita:2021-3-15 · 所以要自己搭梯子，首先要买一个 VPS，一个不被墙的VPS。在对比了各个 VPS 并尝试了 linode、Vultr、搬瓦工 三个之后，我选择了搬瓦工。linode 需要用信用卡，暂时没办信用卡所以不行。

If a user has created columns manually in the Blackboard Grade Center, how can those columns be deleted?

The registrar automatically enrolled my students in my course, but I would like to add some outside users, including some non-Emory students who are auditing the course. How can I do this?

拯救被墙的服务器 - tlanyan:2021-5-19 · 经常科学上网的网友，自然对vps被屏蔽、无法建立连接等现象再熟悉不过。遇到这种情况，新手该怎么面对和处理？经验丰富的老司机又如何做到时刻保持外网不断？本文先分析服务器被block的现象，再根据多年经验给出ip被墙的解决办法以及降低被墙概率的建议。