Blog

Write pseudocode that creates a child process, switches its standard output (1) and standard error (2), and lets the child process execute a program whose name is provided as a command line argument.  As an example, assume that helloworld binary’s main function is implemented as follows: int main(int argc, char **argv) {     write(1,”HELLO”,6);     write(2,”WORLD”,6);     return 0; } Let’s assume that the binary of the code you will implement is called changingWorlds would be called as  $ ./changingWorlds helloworld and after this the child process that will execute helloworld writes “HELLO” to file that was accessible through descriptor 2 in the parent process and writes “WORLD” to the file accessible through descriptor 1 in the parent process.

Firewalls are implemented using iptables rules and managed with the iptables service or ______________service.

 The____ command itself can display system activity continuously, at set intervals (every second or two), and display it on the screen.

Selecting ____________from the Authentication Configuration window enables you to authenticate your users against a Microsoft Active Directory (AD) server

Any user can type _____________(with no options) to see what filesystems are currently running on the local Linux system. 

To allow any form of writing to the vsftpd server, you must have write__________  set in the vsftpd.conf file 

The ______________ command provides a simple and straightforward method for changing account parameters. 

NIS The___________________________ Service (NIS) was originally created by Sun Microsystems to propagate information such as user accounts, host configuration, and other types of system information across many UNIX system.

FTP operates in a client/server model. An FTP server daemon listens for incoming requests (on TCP port 21) from FTP clients. 

List three conditions for which risk of developing the disease is reduced by following a plant-based diet.