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MyThinkPond
On Software Development & Architecture - with a flavor of GitOps, Cloud, Java, Python, GoLang, JavaScript, Linux, Arduino, ARM, Embedded Devices and Web Development
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Synopsis: script -a my_history mkdir test cd test touch hello_world.txt echo 'Hello World' > ./hello_world.txt # This closes the "script -a my_history" file exit Source: How To Record Everything You Do In Terminal - OSTechNix
Sometimes we have configuration or properties file (as templates) such as httpd.conf or server.conf where we want to dynamically replace $variables with values before writing the output to a new file. Example: # httpd.conf.tmpl SetHandler server-status Order deny,allow Deny from all Allow from $MONITOR_IP We want to develop an install script in Bash such that it reads the httpd.conf.tmpl and replaces the $STATUS_URI and $MONITOR_IP with appropriate values (either passed in as script arguments or coded in the bash script) and then write out the resulting output to a new file such as /tmp/httpd.
You may have observed once in a while that when you SSH onto a server and you try to look up a command you ran earlier (maybe the previous day) in the “history” output but you do not see it. This is because of how a SSH session works! Each time you ssh into a server, it leverages a set of TTY screens to maintain an individual history for that session.