rhcsa july23 day1

[root@localhost ~]# history
    1  ls
    2  exit
    3  tar cvzf archive.tgz /etc
    4  tar tvf archive.tgz
    5  history
    6  grep -v '^$' /etc/dnsmasq.conf
    7  grep -v '^$' /etc/dnsmasq.conf | sort
    8  grep -v '^$' /etc/dnsmasq.conf | sort > /var/tmp/dnslines.txt
    9  useradd bob
   10  find / -user bob
   11  find / -user bob -type f
   12  mkdir /root/userfiles; find / -user bob -type f -exec cp {} /root/userfiles/ \;
   13  ls -al /root/userfiles/
   14  history
   15  ls -ld /etc/sudo*
   16  visudo
   17  vim /etc/sudoers.d/bob
   18  tail -1 /etc/passwd
   19  su - bob
   20  passwd bob
   21  su - bob
   22  cat /etc/sudoers.d/bob
   23  id student
   24  history
   25  visudo
   26  exit
   27  history
   28  su - lisa
   29  grep lisa /etc/sudoers
   30  cat /etc/passwd
   31  head /etc/passwd
   32  useradd --help | less
   33  useradd bill -p password
   34  tail -1 /etc/shadow
   35  tail -5 /etc/shadow
   36  echo password | passwd --stdin bill
   37  tail -5 /etc/shadow
   38  vim /etc/login.defs
   39  useradd -p password peter
   40  su - student
   41  cd /etc/skel/
   42  ls -a
   43  touch hellefile
   44  useradd bea
   45  ls -l /home/bea
   46  ls -al /home/bea
   47  id lisa
   48  id student
   49  groupadd sales
   50  usermod -aG sales lisa
   51  usermod --help
   52  usermod -G wheel lisa
   53  id lisa
   54  usermod -aG sales lisa
   55  id lisa
   56  exit
   57  chage --help
   58  chage -l lisa
   59  chage -M 99 lisa
   60  chage -l lisa
   61  chage lisa
   62  /home/student/countdown 15
   63  vim /etc/login.defs
   64  cd /etc/skel/
   65  touch newfile
   66  vim /etc/default/useradd
   67  for i in anna anouk lisa linda; do useradd $i; done
   68  for i in anna anouk lisa linda; do echo password | passwd --stdin $i; done
   69  groupadd profs
   70  groupadd students
   71  usermod -aG profs anouk
   72  usermod -aG profs anna
   73  usermod -aG students linda
   74  usermod -aG students lisa
   75  ls -l /etc/hosts
   76  cd /tmp
   77  echo hello > hellofile
   78  chown linda hellofile
   79  chmod 077 hellofile
   80  ls -l hellofile
   81  su - linda
   82  cd
   83  cd /home/linda
   84  touch lindafile
   85  ls -l lindafile
   86  echo linda > lindafile
   87  su - linda
   88  ls -l
   89  chmod 640 lindafile
   90  su - linda
   91  cd
   92  cd /tmp
   93  mkdir testdir
   94  touch testdir/file{1..10}
   95  ls -l testdir/
   96  chmod --helo
   97  chmod --hel
   98  chmod -R +x testdir/
   99  ls -l testdir/
  100  chmod -R -x testdir/
  101  mkdir testdir/subdir
  102  chmod -R +X testdir/
  103  ls -ld testdir/
  104  ls -l testdir/
  105  cd
  106  mkdir -p /data/profs /data/students
  107  ls -l /data
  108  chown :profs /data/profs
  109  ls -l /data
  110  chgrp students /data/students
  111  ls -l /data
  112  chmod 770 /data/students
  113  ls -l /data
  114  chmod g+w,o-rx /data/profs
  115  ls -l /data
  116  su - anna
  117  chmod g+s /data/profs
  118  ls -l /data
  119  su - anna
  120  su - anouk
  121  chmod +t /data/profs
  122  ls -l /data
  123  su - anouk
  124  umask
  125  /home/student/countdown 15
  126  mkdir -p /data/students /data/profs
  127  ls /data
  128  cd /data
  129  chmod 770 *
  130  ls -l
  131  umask
  132  cd profs
  133  umask 002
  134  touch rootfile
  135  ls -l rootfile
  136  lsblk
  137  poweroff
  138  lsblk
  139  cat /proc/partitions
  140  fdisk /dev/sda
  141  lsblk
  142  mkfs.xfs /dev/sda3
  143  mount /dev/sda3 /mnt
  144  cd /mnt
  145  touch afile
  146  cd
  147  vim /etc/fstab
  148  mount -a
  149  mkdir /files
  150  mount -a
  151  history