RHCSA day 1 nov22

[sudo] password for student:
[root@localhost ~]# history
    1  useradd bob
    2  su - bob
    3  find / -user bob
    4  mkdir /root/userfiles; find / -user bob -exec cp {} /root/userfiles/ \;
    5  man find
    6  touch rtp{1..3}
    7  ls
    8  history
    9  git
   10  visudo
   11  export EDITOPR=/bin/nano
   12  visudo
   13  export EDITOR=/bin/nano
   14  visudo
   15  export EDITOR=
   16  visudo
   17  grep linda /etc/passwd
   18  useradd linda
   19  echo password | passwd --stdin linda
   20  su - linda
   21  visudo
   22  su - linda
   23  cd /etc/sudoers.d
   24  vim bob
   25  id student
   26  visudo
   27  cd
   28  curl -O https://raw.githubusercontent.com/sandervanvugt/rhcsa/master/countdown.sh
   29  ls
   30  cat countdown.sh
   31  vim countdown
   32  countdown 12
   33  echo $PATH
   34  ./countdown 12
   35  ls -l countdown
   36  chmod +x countdown
   37  ./countdown 12
   38  ln countdown /usr/bin/
   39  vim /etc/login.defs
   40  cd /etc/skel
   41  ls -al
   42  touch nothideen
   43  cd
   44  useradd lucy
   45  ls -la /home/lucy/
   46  usermod --help | less
   47  passwd --help | less
   48  cat /etc/passwd
   49  usermod -aG wheel bob
   50  usermod --help
   51  vim /etc/group
   52  countdown 16
   53  vim /etc/login.defs
   54  cd /etc/skel/
   55  touch newfile
   56  vim /etc/login.defs
   57  pwd
   58  useradd anna
   59  useradd anouk
   60  useradd lisa
   61  useradd linda
   62  usermod --help
   63  usermod -p password anouk
   64  grep anouk /etc/shadow
   65  for u in anna anouk linda lisa; do echo password | passwd --stdin $u; done
   66  passwd --help
   67  vim /etc/shadow
   68  vim /etc/default/useradd
   69  groupadd profs
   70  groupadd students
   71  usermod -aG profs anna
   72  usermod -aG profs anouk
   73  usermod -aG student linda
   74  usermod -aG student lisa
   75  id linda
   76  usermod -G wheel linda
   77  id linda
   78  usermod -aG student linda
   79  id linda
   80  grep student /etc/group
   81  vim /etc/group
   82  cd /home
   83  ls -l
   84  ls -l /etc/hosts
   85  cd
   86  vim permissions.txt
   87  mkdir /data/sales/2022
   88  mkdir -p /data/sales/2022
   89  cd /data/sales
   90  touch myfile
   91  cd 2022
   92  touch myother
   93  cd ../..
   94  chmod -r 000 data
   95  chmod -r 700 sales
   96  chmod --help
   97  chmod -R 700 sales
   98  ls -ld sales/
   99  chmod -R +x sales
  100  cd sales
  101  ls
  102  ls -l
  103  cd 2022/
  104  ls -l
  105  cd ..
  106  chmod -R -x sales
  107  ls -l sales/
  108  chmod -R +X sales
  109  ls -ld sales/
  110  ls -l sales/
  111  history
  112  mkdir profs
  113  mkdir students
  114  chown :profs profs
  115  ls -l
  116  chgrp sales sales
  117  chgrp students students
  118  ls -l
  119  chmod 770 *
  120  ls -l
  121  chmod o+w,g-rx sales
  122  ls -l
  123  su - anna
  124  chmod g+s /data/profs
  125  su - anna
  126  su - anouk
  127  chmod +t /data/profs
  128  su - anouk
  129  umask
  130  su - anna
  131  countdown 14
  132  cd
  133  mkdir -p /mydata/profs
  134  mkdir -p /mydata/students
  135  cd /mydata
  136  chgrp students students
  137  chgrp profs profs
  138  chmod 770 *
  139  #umask 007
  140  poweroff
  141  lsblk
  142  poweroff
  143  fdisk /dev/sda
  144  mount /dev/sda3 /mnt
  145  mkfs.xfs /dev/sda3
  146  mount /dev/sda3 /mnt
  147  cd /mnt
  148  touch hello_partition3
  149  mkdir /whatever
  150  vim /etc/fstab
  151  mount -a
  152  mount
  153  fdisk /dev/sda
  154  lsblk
  155  mkfs.ext4 /dev/sda5
  156  mkfs.xfs /dev/sda6
  157  mkdir /ext4 /xfs
  158  vim /etc/fstab
  159  vim /etc/default//grub
  160  grub2-mkconfig -o /boot/grub2/grub.cfg
  161  reboot
  162  journalctl -xb
  163  lsblk
  164  vim /etc/fstab
  165  history