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How to Show Disk Usage Only for Top Level Directories

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 get an error saying bin/sh: 1: source not: found. Here is how to resolve bin/sh: 1: source not: found message.

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.

Sometimes you may need to compare local & remote files in Linux. Here are the steps to diff local file with remote files in Linux.

Sometimes you may need to generate strong pre shared key in Linux. Here are the steps to do it.

Sometimes you may need to run command after certain time in Linux. Here are the steps to do so.

Sometimes you may need to set a timeout on a Linux command or program. Here are the steps to do so.