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FreeBSD 13 released: Here is how to upgrade FreeBSD 12 to 13nixCraft

The FreeBSD project released FreeBSD version 13. The new version comes with updated software and features for a wild variety of architectures. The latest release provides performance improvements and...

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How to install lftp on FreeBSD using the CLInixCraft

I need to download a large file and get the specified file using several connections to speed up downloads on FreeBSD. How do I install lftp and download files using FreeBSD?Love this? sudo share_on:...

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Interview with Michael Lucas *BSD, Unix, IT and other books authornixCraft

Michael Lucas is a famous IT book author. Perhaps best know for FreeBSD, OpenBSD, and Unix book series. He worked as a system administrator for many years and has now become a full-time book writer....

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How to upgrade ZFS storage pools version on FreeBSDnixCraft

When we update FreeBSD from 12 to 13, we get an updated version of ZFS. FreeBSD 13 released with OpenZFS support with various performance boosts. Sometimes OS patching and minor FreeBSD upgrade can...

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Stopping cron sending email alert for Linux/Unix jobsnixCraft Updated...

{Updated} How do I to disable the email alert send by crontab? When my job is executed and the jobs cannot run normally it will sent an email to root. Why do I receive e-mails to my root account from...

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How to use df command in Linux / Unix {with examples}nixCraft

We use the df command to find total disk space and available space on a Linux / Unix file system. Let us see how to use the df command to view the amount of free space left on your Linux, macOS, *BSD...

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ls* Commands Are Even More Useful Than You May Have ThoughtnixCraft Updated...

{Updated} Everything is a file under Linux and ls* and friends can help you to dig out more information from the system than you originally thought. These Linux tips may come in handy when you need to...

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Quick Tip: Turn off the login banner in Linux or Unix .hushlogin filenixCraft

Did you know? You can turn off the banner in Linux or Unix using a particular file. When you log in using ssh or other methods, you will find tons of information on the screen. Here is how my FreeBSD...

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How to install X Window System XQuartz on macOS for ssh X11...

{Updated} Learn how to set up and use ssh based X11 forwarding on your macOS so that you can run graphical apps on your Mac from Linux or *BSD/Unix system.The post How to install X Window System...

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How To Update Samsung SSD Firmware on LinuxnixCraft

Typically, we apply firmware updates to fix a security issue and enhance SATA/PCIe/NVMe solid-state (SSD) drive performance. Failing to install available updates may lead to vulnerable SSD. This quick...

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How to find Intel NUC (or any laptop/desktop) BIOS version and model name on...

{Updated} Simple bash for loop to display your Linux/*BSD system's OEM name, product __DESC__ BIOS version from the CLI using dmidecode.The post How to find Intel NUC (or any laptop/desktop) BIOS...

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How to shutdown FreeBSD laptop when running out of battery powernixCraft

After my Raspberry PI died, I decided not to get a new one immediately. Instead, I turned the older laptop into a FreeBSD server. I use this server for Git, backup via ZFS snapshots, running...

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zcommands: Read gzip Compressed Text Files On a Fly on Linux and UnixnixCraft...

{Updated} Linux and Unix like operating systems comes with z* commands. These commands allow you to read gzip compressed text files using zless, zcat, zmore, and friends commands. The gzip command...

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How to remove grep command while grepping using ps commandnixCraft Updated...

{Updated} We all use ps | grep foo combo to find and narrow down a running process on Linux and Unix-like systems. However, this results in an annoying problem where the grep command also appears in...

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RHEL 8.4 released and here is how to upgrade 8.3 to 8.4nixCraft

Red Hat Enterprise Linux (RHEL) 8.4 released. This version includes updates and various improvements for developers, hybrid cloud, edge deployments and more.Love this? sudo share_on: Twitter - Facebook...

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How to set up ZFS ARC size on FreeBSDnixCraft

When working with FreeBSD and ZFS, you will run into ZFS cache size problems. Not all FreeBSD servers are file servers. Some servers act as backup servers. Others might run Linux and Windows VM where...

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How to flush Redis cache and delete everything using the CLInixCraft Updated...

{Updated} This page explains various methods to delete Redis server key-values (keys) and clear Redis cache from your Linux and Unix server, including AWS ElastiCache for Redis.The post How to flush...

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How to find out video card GPU memory RAM size on LinuxnixCraft Updated...

{Updated} I am trying to find out my NVDIA display card memory size on Fedora Linux. How do I find out my VIDEO Card (VGA) Memory size on Linux?The post How to find out video card GPU memory RAM size...

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Shell script too see Time-To-Live (TTL) for a DNS recordnixCraft

Say you want to see the Time-To-Live (TTL) value for a given DNS record for A, AAAA, and MX. Here is a sample shell script that works on Linux, Unix, and macOS. You must have the bash and dig command...

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How to repeat a character ‘n’ times in BashnixCraft

Let us say you want to repeat a character such as '-' OR '=' multiple times while writing bash script. Please note that I needed a quick script to work on Linux, macOS, and FreeBSD server to repeat a...

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