I regularly need to update some Ubuntu 12.04 (Precise Pangolin) servers (Rackspace).
What I do now is:
Repeat the exact same process with the same file on the second server (12 servers now and the number is growing).
Is it possible to write a script that loops through a list of servers and does all this for me?
How would I go about it? Preferably the solution would not necesitate the install of any stuff. The majority within the company works on MacBooks, but Windows VM's are abundant.
Ideally servers to be updated can simply be added/removed to change the list of servers. However, any solution that saves me the time of doing the same thing +12 times is very much appreciated :)
There are several solutions for this - do you want to keep manual control of the steps and simply run through them simultaneously? The look at CSSH (if you're coming from a Linux system) or SuperPutty (if you're coming from a Windows system). If you simply want to automate everything, look at Expect.
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