Changes between Version 6 and Version 7 of Csle2022/Agenda/linuxpackagemanagement

Timestamp:

Oct 19, 2022, 6:01:08 PM (2 years ago)

Author:

deepthi

Comment:

--

Csle2022/Agenda/linuxpackagemanagement

@@ -88 +88 @@
 `sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu $(lsb_release -sc) universe"`
 
+=== Key Management ===
+
+The Linux key-management facility is primarily a way for various kernel components to retain or cache security data, authentication keys, encryption keys, and other data in the kernel
+
 == Linux Editors ==
 
@@ -94 +98 @@
 Nano, text editor is a user-friendly, free and open-source text editor that usually comes pre-installed in modern Linux systems.
 It is easy to use command line text editor for Unix and Linux operating systems. It includes all the basic functionality you'd expect from a regular text editor, like syntax highlighting, multiple buffers, search and replace with regular expression support, spellchecking, UTF-8 encoding, and more.
+
+To check if it is installed on your system type:
+
+`nano --version`
 
 1. To create and open a new file.
@@ -119 +127 @@
  - Enter the word to replace with there
  - As soon as you will press the enter key
+
 === Vim ===
 
-Vim is a mode-based editor.
+Vim is a text editor that is an upgraded version of the Vi editor and is more compatible with Vi. The most usage of vi editors is to create a new file, edit an existing file, or just read a file. Vim editor is more useful in editing different kinds of plain text.
+
+To install vim on Debian based Linux like ubuntu run the command:
+
+`sudo apt-get install vim`
+
+1.To open a file in vim editor just write the file name after the vim command in the terminal as follows:
+
+`vim filename.txt`
+
+2. Write into file 
+
+press `i`
+
+3.Save and Exit:
+
+We have written the data into a file now the task is to save and close the file to do that first exit from insert mode by pressing the Esc key. To write a command first type semicolon  (  :  )  and then type the command wq!  or x! (both do the same thing) And then hit ENTER.
+
+`:wq!`
+
+4.Exit without saving the file:
+
+To exit from the file without saving the file just use the command q! As follows
+
+`:q!`
 
 == Filters - find, grep, sed and awk ==