Python3: search for two parameters inside dictionary using defaultdict from collections

please suggest below loop example using defultdict in collections, i know we can use dict.get(“A”, ”) to search for parameter/value in dictionary. since my code has huge nested looping i want to try using defaultdict in collections module in python. i have referred this link for defaultdict My Question is how can achieve below loop…

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HAProxy – How to suppress HTTP/1.1 503 from being sent to the client when in maintenance mode

I’m having problems trying to suppress HTTP/1.1 503 from being sent upstream from HAProxy. In my environment clients first hit an ELB (classic) instance before traffic is sent on to HAProxy. When we place the backend server/service in maintenance mode by updating the status (MAINT) of the server in the HAProxy backend, HAProxy sends HTTP/1.1…

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Sticky bit enabled Script can’t write to a root file

I have 2 files in the /tmp/. The first one is an empty file named “file” with permission -rw——- and owner root:root. The second file is named “script” which is a simple Ruby script with permission -rwsr-xr-x and owner root:root. The contents of the script file is: #!/usr/bin/env ruby $-v = true IO.write( File.join(Dir.pwd, ‘file’),…

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