Rhcsa exam study guide Study guides, Class notes & Summaries

After adding or removing an entry in the /etc/fstab file, what command is run to register the new configuration? - systemctl daemon-reload Can non-privileged users adjust the nice level of processes? - Yes. But they may only raise the nice level of their own. They cannot lower the nice level of their processes, and they cannot adjust the nice level of other users' processes. How are log messages categorized? - By facility (type of message) and priority (severity) How can you display a sum...

How do you Secure Shell into another system? - ssh <user>@<host> How do you execute commands on a remote system via Secure Shell without actually opening a new shell? - ssh <user>@<host> <command> How do you generate a public key and private key file for SSH authentication? - ssh-keygen How do you export a public key for SSH authentication on a different machine? - ssh-copy-id <user>@<host> How do you export a *specific* public key for SSH au...

Red Hat RHCSA Exam Study Guide Questions And Answers Red Hat RHCSA Exam Study Guide Questions And Answers

RHCSA Red Hat Enterprise Linux 9 Certification Study Guide, Eighth Edition (Exam EX200) (RHCSA/RHCE Red Hat Enterprise Linux Certification Study Guide, 9) 8th Edition

RHCSA Exam Study Guide with Complete Solutions | New Update systemctl list-units --type=target - Answer️️ -View all active targets on the system. systemctl list-units --type=target --all - Answer️️ -View all targets installed on the disk. systemctl get-default - Answer️️ -Display the current default target. systemctl list-units --type=target | grep t - Answer️️ - check if multi-user target is available systemctl set-default t - Answer️️ -Change the default target to...

RHCSA Exam Study Guide with Complete Solutions Repeat last command - Answer️️ -!! Repeat last argument in current command - Answer️️ -!$ Kernel log message command - Answer️️ -dmesg File usage - Answer️️ -du -hsx h - human, s - summarize, x - single fs Umount a busy drive - Answer️️ -kill -9 'lsof +D /mnt/cdrom' (list open files, +D=directory and contents) Compare file contents - Answer️️ -diff Search for all gzip files, not dirs - Answer️️ -find -type f -...

RHCSA Exam Study Guide with Complete Solutions (All Correct) how to add into sudoers user how to setup sudo for a user - Answer️️ -echo /etc/sudoers.d/user01 >> user01 ALL=(ALL) ALL you can do like this....OR in the file user20 ALL=(ALL) NOPASSWD:ALL usermod -aG wheel user visudo --> %wheel ALL=(ALL) ALL how to add the sudoers group and give access - Answer️️ -To enable sudo access to the group named gourp01 echo /etc/sudoers.d/group01 >> %group01 ALL=(ALL) AL ...

RHCSA Exam Study Guide with Complete Solutions commands/process to reset root password - Answer️️ -on boot: select most recent kernel `e` to edit goto line with linux16, add `` to end of line `ctrl+x` to continue boot to rd rescue mode remount /sysroot as readable (defaults to read only in rd rescue mode): `mount -o remount,rw /sysroot` load the target env with: `chroot /sysroot` reset the password with: `passwd root` fix selinux context with (instructs selinux to perform full re...

RHCSA Exam Study Guide with Complete Solutions break-in process - Answer️️ - inserted at the end of the line starting with "linux16" mount -o rw,remount /sysroot chroot /sysroot passwd touch /.autorelabel exit systemctl isolate t rename a file - Answer️️ -mv <original> <newname> execute multiple separate commands in a single line - Answer️️ -<first command>; <second command> brace expansion - Answer️️ -touch file{1..9} output redirection in...

RHCSA EXAM STUDY GUIDE WITH COMPLETE SOLUTIONS