chpasswd – allows updated passwords in batch mode.
Tuesday, September 26, 2023
Linux - Chpasswd
chpasswd – allows updated passwords in batch mode.
Monday, August 28, 2023
Linux - Chown
chown – change the user and/or group ownership of a given file or directory.
-R parameter for recursive traverse through all contents where command is run from.
Note: only a user with root access can use the chown command.
Example: chown -R root:name_of_group name_of_folder
Tuesday, August 15, 2023
Linux Wildcard and Meta Characters Instructor Guide
https://www.amazon.com/dp/B0CFQ1S3L4/
In Linux, wildcards and meta-characters are invaluable tools for efficient file manipulation and pattern matching. The concepts and examples presented here explore specific commonly utilized wildcards and metacharacters, accompanied by practical and advanced command examples to demonstrate their usage in real-world scenarios. The material will be useful to a system administrator, power user, end user or student looking to further their knowledge in this area.
The guide is meant to be utilized by an individual who will be reviewing via demonstration format these core topics.
Contents
Instructor or End User Set-up:
Create Example Files:
Common Wildcards:
Asterisk (*)
Question mark (?)
Square brackets ([])
Curly braces ({})
Tilde (~)
Backslash (\)
Exclamation mark (!)
Common Character Classes:
Asterisk (*)
Question Mark (?)
Range of Characters ([])
[characters]
[!characters]
[[:class:]]:
[[:alnum:]]
[[:alpha:]]
[[:digit:]]
[[:lower:]]
[[:upper:]]
Common Meta-Characters:
Pipe (|)
Greater than (>)
Double greater than (>>)
Less than (<)
Caret (^)
Dollar Sign ($)
Ampersand (&)
Semicolon (;)
Combining Wildcards and Meta-Characters
Conclusion:
About the Author:
Notes:
Saturday, July 1, 2023
Linux - Chgrp
The following is a Linux dictionary word of the day:
chgrp – changes group ownership to a said group.
-R parameter for recursive traverse through all contents where command is run from.
Example: chgrp -R root name_of_folder
Monday, June 12, 2023
Linux - Child process
The following is a Linux dictionary word of the day:
child process – process created by another process (which
would be the parent process). Each process may create many child processes but
will have only one parent process.
Tuesday, June 6, 2023
Linux - Chfn
The following is a Linux dictionary word of the day:
chfn – utilized to modify finger command based information. The information is stored in the /etc/passwd location. It includes the user's name, work location, work phone number, and home phone number.
Example: chfn
Wednesday, May 31, 2023
Linux - Checkeq (eqn or neqn)
The following is a Linux dictionary word of the day:
checkeq (eqn or neqn) – command utilized to describe equation aspects.
-v parameter to print version.
Example: eqn hello.c