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Bonsai (盆栽) is nothing but planting in a try. It is old age Japanese art of growing small trees in pots. Now you can do that with your Linux or Unix terminal easily for fun and profit. Let us look into the Bonsai tree generator called cbonsai created in Clang and Bash. cbonsai is a free and open-source bonsai tree generator, written in C programming language using ncurses. It intelligently creates

bpytop – Awesome Linux, macOS and FreeBSD resource monitor The bashtop is an impressive Linux resource monitor that shows usage and stats for processor, memory, disks, and network. However, it suffers from bash itself, and cross-platform support is a nightmare. Now we have the Python port of bashtop. We can use a resource monitor that shows usage and stats for CPU, RAM, SSD (hard disk), network, a

Some times you can only access a remote server via ssh by first login into an intermediary server (or firewall/jump host). So you first login into to the intermediary server and then ssh to another server. You need to authenticate twice and the chain can be long and is not limited to just two hosts. This page provide SSH ProxyCommand example Our SSH ProxyCommand example setup +-------+ +----------

I am a new GNU/Linux user. I see a colorful bash prompt. Traditional command such as grep command or ls command also display output in colors. I would also like a turn off colors in vim text editor. I do not like colors. How can I turn off color listing in Linux terminal? You can disable all color in your shell. By default, colors are turned on by many commands. The xterm program is a terminal emu

🐧 nixCraft → Open Source → Command Line Hacks → exa a modern replacement for ls command in rust for Linux/Unix ls is a command to show files in Linux and Unix-like operating systems. A ls command first appeared in a version of AT&T UNIX as well as in Multics. BSD and GNU Coreutils package provides the ls command with minor syntax changes. There is now third alternative named exa. It is a modern r

nixCraft → Cloud Computing → How to boost Linux Internet speed with TCP BBR kernel settings I recently read that TCP BBR has significantly increased throughput and reduced latency for connections on Google’s internal backbone networks and google.com and YouTube Web servers throughput by 4 percent on average globally – and by more than 14 percent in some countries. The TCP BBR patch needs to be app

Web analytics is nothing but the measuring web traffic. It is not limited to measuring web traffic. It includes: Analysis Data collection Reporting of web data for purposes of understanding and optimizing web pages Google Analytics is the most widely used cloud-based web analytics service. However, your data is locked into Google Eco-system. If you want 100% data ownership, try the following open

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit

You can configure your OpenSSH ssh client using various files as follows to save time and typing frequently used ssh client command-line options such as port, user, hostname, identity-file, and much more to increase your productivity from Linux/macOS or Unix desktop: You can configure your OpenSSH ssh client to save typing time for frequently used ssh client command-line options such as port numbe

Is there is an easy way to audit and lock down (secure) Apple OS X 10.11 (El Capitan) unix operating system? Yes you can use the osxlockdown tool. It was built to audit, and remediate, security configuration settings on OS X 10.11 (El Capitan). However, this tool may disable functionality in the name of security. Make sure you backup your Macbook/pro/min in advance. Download osxlockdown Open the T

Author: Wendy Michele Last updated: October 26, 2015 0 comments Once again a great FreeBSD book to read. I was anxious to read this after reading FreeBSD Mastery- Storage Essentials 2014. I read where he was writing a ZFS book, but didn’t know it was out until I was asked to review it. I loved the introduction, being into hardware and history, it was such great knowledge. I knew some of this infor

nixCraft → Howto → Debian Linux → How to Compile and Install Linux Kernel v4.9.11 Source On a Debian / Ubuntu Linux How do I download, compile and install the latest version of the Linux kernel on a Debian Linux v8.x or Ubuntu Linux LTS home server or my laptop? How do I build and install a custom Linux kernel on a Debian or Ubuntu Linux based system? In order to create a custom kernel configurati

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit

nixCraft → Howto → CentOS → Linux / Unix: OpenSSH Multiplexer To Speed Up OpenSSH Connections How can I multiplex SSH sessions by setting up a master session and then having subsequent sessions go through the master to speed up my ssh connection on a Linux or Unix-like operating systems? Multiplexing is nothing but send more than one ssh connection over a single connection. OpenSSH can reuse an ex

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit

Nmap is short for Network Mapper. It is an open-source security tool for network exploration, security scanning, and auditing. However, the Nmap command comes with lots of options that can make the utility more robust and difficult to follow for new users. The purpose of this guide is to introduce a user to the Nmap command line tool to scan a host or network to find out the possible vulnerable po

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit

I am a new Unix user. I am using rsync to upload and download a large size files. Is there a way to display the progress bar for file? How do I show progress while copying files using rsync locally or remotely on Linux or Unix like operating systems? rsync is free and open source tool. It is useful to copy local or remote file. It reduces the amount of data sent over the network by sending only th

Let us see how to fix the LC_CTYPE: cannot change locale (UTF-8) error on macOS or OS X terminal client or remote OpenSSHD server. This warning or error is part of both OpenSSH server and macOS or OS X ssh terminal client issue. It can be fixed using various methods. nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-

How can I find all the file descriptors used by a process such as httpd (Apache web server) or mysqld (MySQL Database server)? You can use /proc file system or the lsof command to find all the file descriptors used by a process. nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priorit

nixCraft → Datacenter → Linux Tutorial: Install Ansible Configuration Management And IT Automation Tool Today I will be talking about ansible, a powerful configuration management solution written in python. There are many configuration management solutions available, all with pros and cons, ansible stands apart from many of them for its simplicity. What makes ansible different than many of the mos

nixCraft is a one-person operation. I create all the content myself, with no help from AI or ML. I keep the content accurate and up-to-date. Your privacy is my top priority. I don’t track you, show you ads, or spam you with emails. Just pure content in the true spirit of Linux and FLOSS. Fast and clean browsing experience. nixCraft is designed to be fast and easy to use. You won’t have to deal wit