What is the purpose of the fclose function in PHP when working with files?
The fclose function in PHP serves the purpose of closing an open file pointer, ensuring that all buffered data associated with the file is written to disk and the system resources allocated to the file are released. This function is particularly useful when working with files in PHP as it allows for proper cleanup and
- Published in Web Development, EITC/WD/PMSF PHP and MySQL Fundamentals, Working with files in PHP, File system - part 2, Examination review
What is the purpose of the /proc filesystem in Linux?
The /proc filesystem in Linux serves a important role in providing a dynamic interface to access and manipulate information about processes and system resources. It is a virtual filesystem that resides in memory and does not correspond to a physical device or storage medium. Instead, it acts as a gateway to view and modify various
- Published in Cybersecurity, EITC/IS/LSA Linux System Administration, Linux filesystem, The /proc filesystem, Examination review
Why should kernel applications not be containerized?
Kernel applications, also known as kernel modules or kernel drivers, are an integral part of the operating system's kernel. These applications directly interact with the kernel and have privileged access to system resources. While containerization has become a popular method for isolating and securing applications, it is generally not recommended to containerize kernel applications. This
- Published in Cybersecurity, EITC/IS/CSSF Computer Systems Security Fundamentals, Security vulnerabilities damage mitigation in computer systems, Linux containers, Examination review