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Read more about the article Files in Linux

Files in Linux

  • Post author:Karunesh Johri
  • Post published:May 1, 2020
  • Post category:Tutorials
  • Post comments:0 Comments

1.0 Files There are two basic concepts in Linux - processes and files. The processes do things and files keep all the important data. An efficient filesystem is important for…

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Read more about the article Connecting 7" touchscreen display to Raspberry Pi 4B

Connecting 7" touchscreen display to Raspberry Pi 4B

  • Post author:Karunesh Johri
  • Post published:November 14, 2019
  • Post category:Tutorials
  • Post comments:0 Comments

1.0 Introduction Raspberry Pi 4B has a Display Serial Interface (DSI) port for connecting a Raspberry Pi touchscreen display using a ribbon cable. In this post we will look at…

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Uname command with examples

  • Post author:Karunesh Johri
  • Post published:November 2, 2019
  • Post category:Tutorials
  • Post comments:0 Comments

1. uname command The uname command prints information about the system. uname is a portmanteau word made up from "unix" and "name". uname can be called from the command line…

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Read more about the article Getting started with Raspberry Pi

Getting started with Raspberry Pi

  • Post author:Karunesh Johri
  • Post published:September 10, 2019
  • Post category:Tutorials
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1.0 Raspberry Pi Raspberry Pi is a popular single board computer developed by the Raspberry Pi Foundation in the U.K. Raspberry Pi 4 Model B (Pi4B) was released in June…

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Read more about the article systemd – System and service manager in Linux

systemd – System and service manager in Linux

  • Post author:Karunesh Johri
  • Post published:October 3, 2018
  • Post category:Tutorials
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1.0 Introduction systemd is the newer init system used in most Linux distributions since 2015. The first widely used init system was the System V init process, sysvinit. Ubuntu introduced…

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Read more about the article Syslog

Syslog

  • Post author:Karunesh Johri
  • Post published:October 3, 2018
  • Post category:Tutorials
  • Post comments:0 Comments

1.0 Syslog Syslog is a protocol for conveying event notification messages. Syslog was first developed by Eric Allman for logging as a part of the Sendmail project in the 1980s.…

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Read more about the article Find user login history – last and lastb commands in Linux

Find user login history – last and lastb commands in Linux

  • Post author:Karunesh Johri
  • Post published:October 3, 2018
  • Post category:Tutorials
  • Post comments:0 Comments

1.0 last and lastb The last command gives a chronological list of user logins in a Linux system for a period of time. The lastb commands gives a similar list…

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Read more about the article tmpfs in Linux

tmpfs in Linux

  • Post author:Karunesh Johri
  • Post published:October 3, 2018
  • Post category:Tutorials
  • Post comments:0 Comments

1.0 tmpfs tmpfs is a filesystem that resides in the main memory of a Linux system. tmpfs stands for temporary file system. In the case of disk files, a file…

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Read more about the article Cut command in Linux

Cut command in Linux

  • Post author:Karunesh Johri
  • Post published:September 30, 2018
  • Post category:Tutorials
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1.0 cut The cut command cuts sections of each line of input files and writes it on its standard output. It is mostly used for taking out a few columns…

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Read more about the article tr command in Linux

tr command in Linux

  • Post author:Karunesh Johri
  • Post published:September 30, 2018
  • Post category:Tutorials
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1.0 tr The tr command is a filter which reads the standard input, translates or deletes characters and writes on its standard output. The tr command syntax is, tr [OPTION]...…

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