In macOS, show the difference of 2 folders / files in the Command Line
In macOS, you can compare and show the differences of files in two folders in the Command Line by using the diff command. With folders you use rq as an argument and pass in the 2 folder names on the command line like so… diff -rq folder_1 folder_2 You will get notifications on what same…
Read MoreWhere are the Safari Web Developer Tools and how to show and dock them in a browser window
The Safari Developer Tools for the macOS browser can be enabled and displayed in Safari > Preferences > Advanced > “Show Develop menu in menu bar” for Safari version 14 and earlier. Then from the Safari “Develop” menu select “Show Web Inspector” or use the keyboard shortcut Option+Command+i When opened the Safari developer tools…
Read MoreGenerate SSH Private and Public Keys in macOS Big Sur
This guide goes through setting up SSH keys on macOS Big Sur 11 and olfer macos’es back to Mac OSX 10.11 and also a secure password-less SSH connection between a local macOS workstation and a remote server also running a Linux variant operating system. The process requires generating a public and private key on the…
Read MoreReset Forgotten Admin Password on macOS Big Sur and macOS Catalina
The passwords for all accounts on macOS Big Sur 11.2, Catalina, Mojave, macOS High Sierra and Sierra, OSX 10.11 El Capitan, OSX 10.10 Yosemite, OSX 10.9 Mavericks and OSX 10.8 Mountain Lion including admin and standard user accounts can be reset and changed when booted from the Recovery Partition on macOS. Boot into Recovery Partition…
Read MoreFlush DNS cache locally in macOS Big Sur, Catalina, OSX, Linux and Windows
When URLs are just not resolving the way you want, it may be time to time to clear or flush the DNS nameserver local cache – enter the relevant command in the Terminal/command line for the operating system you are on. How to flush the local DNS cache macOS Big Sur 11.2.0 sudo dscacheutil -flushcache;…
Read MoreInstalling Homebrew on macOS Big Sur 11.2, Package Manager for Linux Apps
The easiest way to install a number of Unix style applications and open source software onto macOS Big Sur, Catalina, Mojave and earlier Sierra OS versions is via a package manager, unfortunately, macOS Big Sur doesn’t come with one, but fortunately, some good folks care, they come in the form of Homebrew. The install of…
Read MoreHow to compress and uncompress files and folders in the Terminal in macOS Big Sur
Since macOS is based on Unix there are a number of ways to compress files and folders within the filing system using Unix based application code, below are a few options using the Terminal or command line interface (cli). The default command line application interface in macOS is the Terminal and is stored in /Applications/Utilities.…
Read MoreMake an Alias in Bash or Zsh Shell in macOS with Terminal
To make aliases of macOS Unix commands in your bash or zsh shell on macOS and earlier versions, it is done via your .bash_profile or .zshrc file which lives in your home account directory, if the file does not already exist, just create one. As of macOS 10.6 Catalina and its successor Big Sur, Apple…
Read MoreHow to Add to the Shell Path in macOS Big Sur and Catalina using Terminal
The shell path for a user in macOS is a set of paths in the filing system whereby the user has permissions to use certain applications, commands and programs without the need to specify the full path to that command or program in the Terminal. So instead of running something like this, with a path to…
Read MoreWhere is the bash shell in macos Big Sur and Catalina?
The bash shell in macos Big Sur and Catalina has been demoted to the subs bench with the newer zsh shell is now the default shell in use by the new operating system. Also known as the Z shell, it has been around a while, since 1990 (bash was 1988), it is still a Unix…
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