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How to Fix Unacceptable TLS Certificate Error in Linux

Sometimes you may get unacceptable TLS certificate error in Linux. Here are the steps to fix it.

Here is the difference between return false vs preventDefault to prevent event handlers from default behavior.

Sometimes you may need to get unique values from array in JavaScript. Here are the steps to remove duplicates from JS array.

Sometimes you may need to disconnect another SSH user in Linux. Here are the steps to disconnect user from SSH connection.

Sometimes you may need to find oldest file in directory. Here are the steps to do it in Linux.

Sometimes you may need to view disk usage for first level of directories only. Here is how to show disk usage only top level directories.

Sometimes you may need to reload etc/hosts file in Linux. Here are the steps to do it.

Sometimes you may need to kill stopped jobs in Linux. Here are the steps to do it.

Sometimes you may change mac address in Linux. Here are the steps to do it manually as well as automatically.

Sometimes you may need to convert file permissions to octal in Linux. Here are the steps to do so.