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How to Create Nested Directory in Linux with One Command

Sometimes you may need to create nested directory in Linux. Here are the steps to do so.

You need to create CA Bundle files from CRT files for SSL certificates. Here is how to do it.

Sometimes you may need to copy files from Linux to Windows. Here are the steps to transfer files from Linux to Windows.

Sometimes you may need to copy files from Linux to S3 bucket. Here are the steps to do so.

Often you get permission denied error while using cat command in Linux. Here is how to fix this problem.

Sometimes you may need to restrict user commands in Linux. Here are the steps to limit user commands in Linux.

Sometimes you may need to backup website to Amazon S3. Here are the steps to do it.

Sometimes you may need to check md5 checksum of installed packages on your system. Here is how to do it.

Sometimes you may need to check bad sectors and blocks in your hard disk. Here is how to check bad sectors in HDD in Ubuntu.

OpenSSL is a useful cryptographic library to encrypt & decrypt data. Here is how to encrypt & decrypt files using OpenSSL.