RHCSA feb24 day1

[root@localhost ~]# history
    1  dnf install nmap -y
    2  vim countdown.sh
    3  chmod +x countdown.sh
    4  ./countdown.sh 19
    5  tar zcvf /root/archive.tgz /etc
    6  ls -l
    7  tar tvf archive.tgz
    8  tar zcvf /root/archive.tgz -C /etc
    9  tar zcvf /root/archive.tgz -C /etc .
   10  tar tvf archive.tgz
   11  cd /etc
   12  tar -cvzf /root/archive.tgz .
   13  history
   14  cut -d : -f 1 /etc/passwd
   15  cat /etc/passwd
   16  cut -d : -f 1 /etc/passwd | sort
   17  cut -d : -f 1 /etc/passwd | sort | grep -v '^$'
   18  cut -d : -f 1 /etc/passwd | sort | grep -v '^$' >/var/tmp/users
   19  cat /var/tmp/users
   20  man cut
   21  man sort
   22  sort -b /etc/passwd
   23  sort -b /etc/passwd | cut -d : -f 1
   24  cd
   25  useradd bob
   26  mkdir userfiles
   27  find / -user "bob" -type f
   28  find / -user "bob" -type f -exec cp {} /root/userfiles \; 2>/dev/null
   29  ls -al /root/userfiles/
   30  history
   31  ls -l $(which yum) $(which dnf)
   32  DNF
   33  dnf install nmap
   34  df -h
   35  dd if=/dev/sr0 of=/rhel9.iso bs=1M
   36  mkdir /repo
   37  vim /etc/fstab
   38  mount -a
   39  ls /repo
   40  cd /repo
   41  ls BaseOS/
   42  ls BaseOS/Packages/
   43  cd
   44  history
   45  lsblk
   46  dnf config-manager --add-repo="file:///repo/AppStream"
   47  dnf config-manager --add-repo="file:///repo/BaseOS"
   48  dnf repolist
   49  dnf search nmap
   50  dnf install nmap
   51  cd /etc/yum.repos.d/
   52  ls
   53  vim repo_BaseOS.repo
   54  vim repo_AppStream.repo
   55  history
   56  dnf install nmap
   57  history
   58  tail -1 /etc/fstab
   59  cd /repo/AppStream/Packages/
   60  ls
   61  cd
   62  dnf install -y git
   63  git clone https://github.com/sandervanvugt/rhcsa9
   64  cd rhcsa9/
   65  ls
   66  cd labs/
   67  ls
   68  ./live-lab1-grade.sh
   69  vim live-lab1-grade.sh
   70  history
   71  dnf groups list
   72  dnf groups install "Development Tools"
   73  history
   74  cd
   75  ./countdown.sh 13
   76  history
   77  lsblk
   78  exit
   79  visudo
   80  tail -1 /etc/passwd
   81  id bob
   82  su - bob
   83  passwd bob
   84  su - bob
   85  journalctl
   86  usermod -aG wheel bob
   87  su - bob
   88  visudo
   89  useradd linda
   90  echo password | passwd --stdin linda
   91  su - linda
   92  visudo
   93  su - linda
   94  history
   95  #find / -name ".bash_history" -type f -exec rm -f {} \;
   96  dnf repolist
   97  ps aux | less
   98  less /etc/passwd
   99  usermod --help
  100  vim /etc/login.defs
  101  cd /etc/skel
  102  ls
  103  ls -a
  104  touch hello
  105  ls -a
  106  useradd sander
  107  ls -al /home/sander
  108  cd
  109  less /etc/passwd
  110  id bob
  111  grep bob /etc/passwd
  112  grep bob /etc/group
  113  lid wheel
  114  lid -g wheel
  115  useradd -g wheel baduser
  116  id baduser
  117  grep wheel /etc/group
  118  grep baduser /etc/passwd
  119  lid -g wheel
  120  chage bob
  121  history
  122  cd rhcsa9/labs/
  123  ls
  124  vim live-lab2-grade.sh
  125  ./live-lab2-grade.sh
  126  vim /etc/login.defs
  127  touch /etc/skel/newfile
  128  groupadd profs
  129  groupadd students
  130  useradd -G students linda
  131  useradd -G students lisa
  132  usermod -aG students linda
  133  useradd -G profs anna
  134  useradd -G profs anouk
  135  history | grep git
  136  ./live-lab2-grade.sh
  137  ls -l
  138  cd /home/linda
  139  echo linda > lindafile
  140  ls -l lindafile
  141  chmod u-rw
  142  chmod u-rw linda
  143  chmod u-rw lindafile
  144  chown linda lindafile
  145  ls -l lindafile
  146  su - linda
  147  cd
  148  cd /etc/skel
  149  mkdir tryme
  150  chmod 2770 tryme
  151  useradd pablo
  152  ls -l pabl
  153  ls -l /home/pablo
  154  mkdir -p /data/profs /data/students
  155  cd /data
  156  ls -l
  157  id
  158  chown :profs profs
  159  ls -l
  160  chgrp students students
  161  ls -l
  162  chmod 770 students
  163  ls -l
  164  chmod g+w,o-rx profs
  165  ls -l
  166  su - anna
  167  chmod g+s /data/profs
  168  ls -ld /data/profs
  169  su - anna
  170  su - anouk
  171  chmod +t /data/profs
  172  su - anouk
  173  chmod g-x,o+x /data/profs
  174  ls -ld /data/profs
  175  chmod g+x,o-x /data/profs
  176  cd /profs
  177  cd profs
  178  mkdir one two three
  179  for i in one two three; do touch $i/four; done
  180  for i in one two three; do touch $i/five; done
  181  tree
  182  ls -lR
  183  chmod -R g+s .
  184  ls -lR
  185  chmod -R g-s .
  186  find . -type d
  187  find . -type d -exec chmod g+s {} \;
  188  ls -lR
  189  history
  190  who; find . -exec ls -l {} \;
  191  umask
  192  touch '-'
  193  ls -l
  194  echo hello > \-
  195  ls
  196  rm \-
  197  rm -- \-
  198  cd
  199  history