What are the prerequisites for this course in terms of shell basics?
To successfully embark on the course "Cybersecurity – Linux System Administration – Bash scripting – Introduction to bash scripting," it is essential to have a solid understanding of shell basics. In this context, the term "shell" refers to the command-line interface that allows users to interact with the operating system by executing commands. Familiarity with
How does the root user differ from regular users in terms of access control?
The root user in a Linux system holds the highest level of privilege and is considered the superuser or administrator. It possesses unrestricted access to all system resources and can perform any action, including modifying critical system files, installing and removing software, and managing user accounts. In contrast, regular users are limited in their access
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Basic Linux sysadmin tasks, Basic Linux access control, Examination review
What is access control in Linux and why is it important for system administration?
Access control in Linux refers to the process of managing and regulating user access to various system resources, such as files, directories, devices, and network services. It is a fundamental aspect of system administration that plays a important role in maintaining the security and integrity of a Linux system. By implementing access control mechanisms, system
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Basic Linux sysadmin tasks, Basic Linux access control, Examination review
What does a file mode of 750 mean in Linux file permissions?
A file mode of 750 in Linux file permissions refers to the access permissions set for a file or directory. In Linux, each file or directory has three sets of permissions: read (r), write (w), and execute (x). These permissions determine who can read, write, or execute the file. The file mode of 750 is
What is the difference between octal notation and symbolic notation when setting file permissions in Linux?
Octal notation and symbolic notation are two different methods used to set file permissions in Linux. Both methods serve the same purpose of controlling access to files and directories, but they differ in terms of their syntax and ease of use. Octal notation, also known as numeric notation, represents file permissions using a three-digit number.
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Basic Linux sysadmin tasks, Linux file permissions, Examination review
How can you view the permissions of a file or directory in Linux?
To view the permissions of a file or directory in Linux, you can make use of the "ls" command along with the "-l" option. This command provides a detailed listing of files and directories, including their permissions. The permissions are displayed in a symbolic notation, which consists of three sets of characters representing the owner,
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Basic Linux sysadmin tasks, Linux file permissions, Examination review
What are the three types of permissions in Linux file permissions?
In Linux, file permissions play a important role in maintaining the security and integrity of the system. They determine the level of access that users and groups have to files and directories. There are three types of permissions in Linux file permissions: read (r), write (w), and execute (x). These permissions are assigned to three
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Basic Linux sysadmin tasks, Linux file permissions, Examination review