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> <n...
change a directory to be owned by a group. - Answer✔️✔️-chown
:<groupname> <directory>
make a directory collaborative to a group with rwx for owner and group
and no access for others. - Answer✔️✔️-chmod 2770 <file>
make a file with rwxr-x-wx - Answer✔️✔️-chmod 753 <file>
change wd to root filesystem - Answer✔️✔️-cd /
make a child directory and a parent directory in a single command. -
Answer✔️✔️-mkdir -p /<parent>/<child>
add a sticky bit. - Answer✔️✔️-chmod +t <dir>
what's a sticky bit? - Answer✔️✔️-users can't delete files in a directory that
they don't own.
oh no, the network broke. add a new connection. - Answer✔️✔️-nmcli con
and tab your way to victory. don't forget to reload the config after
specifying dns, then enable the interface. or use nmtui. don't forget the
subnet mask in either case or it will for sure break.
show your ip address - Answer✔️✔️-ip addr
schedule an hourly job. - Answer✔️✔️-write the script and put it in
/etc/cron.hourly, then restart crond
schedule a one-time job in the future. - Answer✔️✔️-<command> | at
<timespec>
3
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