Download Conquer the Command Line by Richard Smedley PDF

By Richard Smedley

Triumph over The Command Line, the 1st within the MagPi necessities publication variety, is designed that will help you discover ways to love the command line at the Raspberry Pi and different Linux computers... for purchasing directions from consumer to desktop - in a transparent, fast and unambiguous shape - the command line is usually the way. Now - because of Raspbian at the Raspberry Pi - a brand new new release are learning the ability of the command line to simplify complicated initiatives, or immediately perform basic ones. grasp crucial abilities throughout 10 chapters: learn and write textual content documents; locate & set up software program; deal with detachable garage; Use safe Shell for distant entry; Create Raspberry Pi SD playing cards; customize the command line and masses, even more.

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Additional resources for Conquer the Command Line

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If you tried robots after chapter 3, you’ll be used to the hjkl keys for directional movement. list file. It’s not compulsory – use nano if you wish – but sooner or later you could come across a Linux or BSD computer without nano; vi is always the default on such machines. tiny, which you can call as vi. list vi is a modal editor: you start in command mode, moving to the line you wish to modify (hjkl in place of arrow keys); to edit, hit i for insert mode, and you can now edit the line under the cursor.

Knowing the PID makes it easy to kill a process, should that be the easiest way of shutting it down. For example, to kill a program with a PID of 3012, simply enter kill 3012, and to quickly find the process in the first place, use grep on the ps list. For example, locating vi processes: ps aux | grep -i [ KEEP ON TOP ] Using a virtual console, it can be worth keeping htop running so that if there are any problems you can Ctrl-AltFn there for a quick look for any problems – even if the GUI freezes vi The -i (ignore case) isn’t usually necessary, but occasionally a program may break convention, and contain upper case letters in its filename.

Out in whichever directory you were in when you started the process. txt & One use of NOHUP for Pi users is to be able to set something in motion from a SSH session, that will continue after an interruption to that session. For example restarting the network connection to which you are connected: sudo nohup sh -c “ifdown eth0 && ifup eth0” Fig 2 Everything running has a process ID (PID), that can be used to control that program, find them all with ps aux. out [ Command Line Pi ] 44 ESSENTIALS ESSENTIALS [ CHAPTER NINE ] REMOTE PI In this chapter, we cover accessing the Pi from remote PCs and devices with Secure Shell.

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