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--- infrastructure:unix [2019-07-17 09:43] – mrks
+++ infrastructure:unix [2020-06-11 12:18] (current) – mrks
@@ Line 1: / Line 1: @@
 ====== Unix ======
+===== Shell =====
+[[https://stackoverflow.com/questions/8473121/execute-command-without-keeping-it-in-history|Execute command  without keeping it in hostory]]:
+  * Sometimes shell commands must be kept form history, e.g. when setting secrets to environment variables for configuring applications according to the [[https://12factor.net/config|Twelve-Factor-App]].
+  * Configure the shell to not record history when starting with a space: ''$ export HISTCONTROL=ignorespace''
+  * Execute the command with a secret with a leading space: ''$ ⌴export⌴MY_PASSWORD=the-secret''
+  * Verified in Bash. The command will not be recorded in ''~/.bash_history''.