Reboot Guides d'étude, Notes de cours & Résumés

What command would you execute to view the default systemd target / runlevel? - correct answer systemctl get-default What command would you execute to set the default systemd target to the functional equivalent of runlevel 3? - correct answer systemctl set-default multi-user What command would you execute to set the default systemd target to the functional equivalent of runlevel 5? - correct answer systemctl set-default t When using the "systemctl" utility, what is the default systemd...

OS - -a program that acts as an intermediary between a user of a computer and the computer hardware. Goals: Execute user programs, make the comp. system easy to use, utilize hardware efficiently. Computer system - -Hardware ↔ OS ↔ Applications ↔ Users (↔ = 'uses') resource allocator - -decides between conflicting requests for efficient and fair resource use control program - -Controls execution of programs to prevent errors and improper use of computer Kernel - -the one program r...

shutdown -h now halt init 0 Shut the system down immediately. -h specifies that the system halt or poweroff after shutdown. now forces the system to shut down without a delay. Note: Any of the three commands shut the system down shutdown -r now reboot init 6 Shut the system down immediately and reboot. Note: Any of the three commands reboot the system. Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen ...

RHCSA System Exam Questions with Answers What command would you execute to display all units that failed at the last system boot? - Answer-systemctl --failed What command would you execute to check the current operational status of the sshd service and its location in the cgroup subtree? - Answer-systemctl status sshd What command would you execute to prevent the crond service from starting at system boot? - Answer-systemctl disable crond What command would you execute to see if th...

What command would you execute to view the default systemd target / runlevel? - Answer- systemctl get-default What command would you execute to set the default systemd target to the functional equivalent of runlevel 3? - Answer- systemctl set-default multi-user What command would you execute to set the default systemd target to the functional equivalent of runlevel 5? - Answer- systemctl set-default t When using the "systemctl" utility, what is the default systemd type if omitted? - A...

Four components of Computer System correct answers Hardware(CPU,memory,I/O devices), Operating System(Controls and coordinates use of hardware among various applications and users), Application Programs(Word Processors, compilers, web browsers), Users User View of a Computer correct answers •Varies according to the interface being used •Most Systems designed for one user monopolizing its resources •Multiple users may interface to mainframe or minicomputer •Some users sit at workst...

rhcsa 8 exam questions & answers 2023/2024 1. reboot your server. assume that you don't know the root password, and use the appropriate mode to enter a root shell that doesn't require password. Set the root password to mypassword. - ANSWER-1. in the boot loader menu: press e the end of the line begging with the Linux, at the end of this line, append the following: init=/bin/sh ctrl-x the installed SELinux policy: /usr/sbin/load_policy -i 5-execute the following command you root...

When local controller is selected as the controller's operation mode in the startup wizard, which is no longer configurable? - WLANs 802.1X authentication takes place: - Prior to the granting access to L2 media When a client is blacklisted, the controller will: - Stop the client from associating with any SSID on the controller Which role is assigned prior to launching the captive portal splash screen? - Pre-authentication role A reboot of the controller is necessary in which of the follow...

RHCSA Exam Practice Questions & Answers 2023/2024 Reset root password - ANSWER-1. Before the system starts up, interrupt the boot process by pressing E 2. Go to the end of the line that starts with 'Linux16' 3. type 4. Press CTRL+X 5. type mount -o remount,rw /sysroot 6. Enter 7. type chroot /sysroot 8. type passwd root 9. Assign a new password 10. touch /.autorelabel 11. Enter 12. exit twice 13. Allow the system to reboot and then login with the new root password Configur...

Who should make the decision of when to put a system back into production? A) Systems administrators B) Business team C) Security team D) Data owner ☑: B) Business team Which command will display ASCII and Unicode strings within a malware sample? A) cat B) Get-Strings C) strings D) findstr ☑: C) strings Which type of system is most commonly used to investigate malware? EXCELLENCE 2 A) Virtual machine B) Day-to-day host C) Thick client D) Production system ☑: A) Virtual mach...