So how do you stream audio from your Apple iOS or Google Android phone to your laptop speaker? Let us see how to set up a Bluetooth speaker to stream audio from your Android / iOS mobile phone to your Linux based laptop or desktop that got better audio speakers. [continue reading…]
The cat command (short for concatenate) is one of the most frequently used flexible commands on Linux, Apple MacOS X, *BSD (FreeBSD / OpenBSD / NetBSD), Unix-like operating systems. It is useful to display text files on screen, copy text files, combine text files, create new text files and more. If you cat command with colours, try ccat app. [continue reading…]
HandBrake is an open-source and free transcoder for digital video files. It makes ripping a film from a DVD to a data storage device such as NAS boxes easier. HandBrake works Linux, macOS, and Windows. A Recent version of Handbrake for Mac and possibly other downloads at the same site infected with malware. If you have downloaded HandBrake on Mac between 2/May/2017 and 06/May/2017, you need to delete the file ASAP. HandBrake infected with a new variant of OSX.PROTON malware. [continue reading…]
Little Snitch is a traditional software firewall for macOS. You can use it to monitor applications, preventing or permitting them to connect to attached networks through advanced rules. OpenSnitch is a GNU/Linux port of the Little Snitch application firewall written in Python. [continue reading…]
A vim plugin manager is a must for any die-hard vim user. You can find a few option available out there. My personal favorite is vim-plug which is a beautiful and minimalist plugin for vim. Let us see how to install and use this plugin on Linux or Unix-like system. [continue reading…]
Recently I come across a nice little nifty tool called parallel ssh (PSSH) to run a single command on multiple Linux / UNIX / BSD servers. You can easily increase your productive with this SSH IT automation tool.
More about pssh
pssh is a command line tool for executing ssh in parallel on some hosts. It specialties includes:
Sending input to all of the processes
Inputting a password to ssh
Saving output to files
IT/sysadmin task automation such as patching servers or looking for error logs
Timing out and more
Let us see how to install and use pssh on Linux and Unix-like system.
You can reuse OpenSSH connections to the same server when you want to open subsequent connections to the same server. For example, if I ran ssh firstname.lastname@example.org, the ssh client will establish a new SSH connection. It usually takes only a few seconds. However, if I run ssh email@example.com command again, connecting to a server42.cyberciti.biz multiple times result into the overhead.
Well, that was fast. Touch ID is a fingerprint recognition security feature, designed and released by Apple. It is currently available on the iPhone 5s/6/7 and Macbook pro-2016 editions. Many consider it as a huge security win for the MacBook Pro’s. This sounds amazing feature for command line users.
Say hello to sudo-touchid
sudo-touchid is a fork of sudo with Touch ID support on macOS (powered by the LocalAuthentication framework). Once compiled, it will allow you to authenticate sudo commands with Touch ID in the Terminal on supported Macs (such as the late 2016 MacBook Pros). Since Darwin sources for macOS 10.12 are not available yet, this project is based on sudo sources corresponding to OS X 10.11.6 and obtained from opensource.apple.com.