Each line should be terminated in a newline character, including the last one. 3.206 LineA sequence of zero or more non- <newline> characters plus a terminating <newline> character. POSIX A Sublime Text can be configured to add a newline character automatically on a file save, using the ensure_newline_at_eof_on_save option (false by default).
Raspberry Pi: Force HDMI – Hotplug
By default, the HDMI output of the Raspberry Pi is only activated if a monitor or a TV is connected and powered up before the Raspberry Pi is started up. Fortunately, there is an easy fix which will force the Raspberry Pi to turn on the HDMI output, no matter whether a display is connected […]
What Is My Router’s IP Address (Default Gateway)
A router is a device that communicates between the Internet (or public network) and the devices in a local network (or private network). A typical home router, that usually acts as a default gateway for the local devices, can be configured using a web-based configuration page that can be accessed from a web-browser if you […]
CIDR Notation – Explained & Examples
CIDR (Classless Inter-Domain Routing) notation is a compact method for specifying IP addresses and their routing suffixes.
Git Alias: Config – The Best Git Aliases
An alias in Git is a shortcut that Git translates into a full-text command. With the aliases you can avoid typing the entire text of each of the Git commands over and over again, that significantly improves the experience of working with Git from the command line. In this note i will show how to […]
Kubectl: Create Deployment – Command Line
In this note i will show how to create a Deployment from the command line using the kubectl command. Below you will find the examples of how to deploy an Nginx Docker image on a Kubernetes cluster and how to update and scale it using the kubectl command only (without YAML configs). I will also […]
Merge PDF in Ubuntu Linux – Command Line
Ghostscript is a suite of software based on an interpreter for Adobe Systems’ PostScript and Portable Document Format (PDF) page description languages. It can be used to merge PDF files or extract specific pages from a PDF file from the command line in Linux (Ubuntu) without loosing the quality.
How to Check Inode Usage in Linux
When a file or a directory is created in a Linux file system, a name and a uniq inode number is assigned to it. An inode is a data structure that contains information about a disk block location of a file or a directory and may include metadata (times of last change, access, modification), as […]
Windows: ARP Command – Show Table & Clear Cache
An ARP (Address Resolution Protocol) is a communication protocol that works on a “Physical (Data-Link)” layer of a TCP/IP stack and is used to discover a MAC address of a device on a LAN (local-area network) based on its IP address. An ARP table is used to store the discovered pairs of the MAC and […]
Windows: Show Routing Table – Route Print
Each IP packet contains information about its origin and destination. A routing table contains the information necessary to forward an IP packet along the best path toward its destination. In this note i will show how to display the routing table in Windows using the route print command.