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nixCraft Linux / UNIX Newsletter |
| Linux / Unix Desktop Fun: Christmas Tree For Your Terminal Posted: 23 Dec 2020 02:43 AM PST {Updated} Let us create Linux or Unix console Christmas tree and snow on your Linux desktop just for fun and profit. The post Linux / Unix Desktop Fun: Christmas Tree For Your Terminal appeared first on nixCraft. |
| How to declare Boolean variables in bash and use them in a shell script Posted: 23 Dec 2020 12:58 AM PST I need to define a bash variable called failed and set the value to False. When my script is called from a cron job, specific tasks might fail, and then I need to flip failed to True. Based upon $failed, I need to send an email alert that my cron job has failed. So how can I declare and use Boolean variables in a shell script running on a Linux server? The post How to declare Boolean variables in bash and use them in a shell script appeared first on nixCraft. |
| How to scan port from your Linux, macOS, and FreeBSD Unix system using netcat/nc Posted: 22 Dec 2020 11:35 AM PST {Updated} How do I find out which ports are opened on my own server? How do I run port scanning using the nc command instead of the nmap command on a Linux or Unix-like systems? The post How to scan port from your Linux, macOS, FreeBS and Unix system using netcat/nc appeared first on nixCraft. |
| Linux Set Environment Variable Command Tutorial Posted: 22 Dec 2020 06:01 AM PST {Updated} How do I customize the shell environment variable under Linux operating systems? How can I set and view environment variable on Linux? The post Linux Set Environment Variable Command Tutorial appeared first on nixCraft. |
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