RHCSA march22 day1

[root@localhost ~]# history
    1  tar cvzf /root/archive.tgz /etc
    2  ls -l archive.tgz
    3  file archive.tgz
    4  tar tvf archive.tgz
    5  history
    6  tar -tvf archive.tgz
    7  ps aux
    8  ps -aux
    9  grep -v -e "^$" /etc/dnsmasq.conf |sort
   10  grep -v '^$' /etc/dnsmasq.conf |sort
   11  grep -v '^$' /etc/dnsmasq.conf | sort >/var/tmp/dnslines.txt
   12  vim countdown
   13  chmod +x countdown
   14  ./countdown 12
   15  sort -b -d /etc/dnsmasq.conf > /var/tmp/dnslines.txt
   16  man sort
   17  vim dummy.txt
   18  sort -bd dummy.txt
   19  useradd anna
   20  mkdir /root/userfiles/; find / -user anna -exec cp -r {} /root/userfiles/ \;
   21  history
   22  mkdir /root/annafiles; find / -user anna >> /root/annafiles
   23  mkdir /root/annafiles; find / -user anna >> /root/annafilesz
   24  cat /root/annafilesz
   25  cat /etc/os-release
   26  cat /etc/os-release | head -1
   27  cat /etc/os-release | head -2
   28  ps aux | less
   29  id
   30  id anna
   31  id student
   32  grep student /etc/passwd
   33  grep student /etc/shadow
   34  vim /etc/login.defs
   35  cd /etc/skel/
   36  ls -a
   37  history
   38  touch mynewfile
   39  useradd lisa
   40  ls -l /home/lisa/
   41  id student
   42  grep student /etc/passwd
   43  grep student /etc/group
   44  exit
   45  exit
   46  exit
   47  man -k sudo
   48  mandb
   49  man -k sudo
   50  man sudo
   51  grep anna /etc/shadow
   52  passwd --help
   53  passwd -l anna
   54  grep anna /etc/shadow
   55  passwd -u anna
   56  grep anna /etc/shadow
   57  chage linda
   58  chage anna
   59  change --help
   60  chage --help
   61  chage -l anna
   62  vim countdown
   63  chmod +x countdown
   64  ls -l countdown
   65  countdown
   66  echo $PATH
   67  ln countdown /usr/bin/countdown
   68  ls -il countdown /usr/bin/countdown
   69  vim countdown
   70  ls -il countdown /usr/bin/countdown
   71  countdown 12
   72  which su
   73  visudo
   74  su - anna
   75  cd /
   76  groupadd sales
   77  groupadd account
   78  useradd -G sales linda
   79  id linda
   80  useradd -G sales lisa
   81  id lisa
   82  usermod -aG sales lisa
   83  usermod -aG account anna
   84  useradd -G account anouk
   85  for i in anna anouk lisa linda; do is $i; done
   86  for i in anna anouk lisa linda; do id $i; done
   87  mkdir -p /data/sales
   88  mkdir -p /data/account
   89  mkdir /blah/yes
   90  cd /data
   91  ls -l
   92  chgrp account account
   93  chgrp sales sales
   94  ls -l
   95  chmod 770 account/
   96  ls -l
   97  chmod g+w,o-rx sales
   98  ls -l
   99  chown root:sales account
  100  ls -ld account/
  101  chown root.account account
  102  chown .account account
  103  history
  104  su - anna
  105  su - anouk
  106  cd /home/linda/
  107  vim playme
  108  chmod +x playme
  109  ls -l
  110  chmod u+s playme
  111  ls -l playme
  112  id linda
  113  visudo
  114  cd
  115  find / -perm /4000 2>/dev/null
  116  find / -perm /4000 -exec ls -l {} \; 2>/dev/null
  117  ls -l /etc/shadow
  118  exit
  119  su - linda
  120  cd /data
  121  chmod g+s *
  122  ls -l
  123  su - linda
  124  su - lisa
  125  chmod +t *
  126  ls -l
  127  su - lisa
  128  su - linda
  129  cd
  130  cd /home/linda
  131  touch rootfile1
  132  touch rootfile2
  133  ls -l rootfile*
  134  chmod 000 rootfile2
  135  ls -l
  136  su - linda
  137  ls -ld /tmp
  138  touch removeme
  139  ls -l removeme
  140  chattr +i removeme
  141  rm -f removeme
  142  lsattr removeme
  143  ls -l removeme
  144  chattr -i removeme
  145  su - linda
  146  countdown 12
  147  poweroff
  148  lsblk
  149  fdisk /dev/sda
  150  lsblk
  151  mkfs.xfs /dev/sda3
  152  mount /dev/sda3 /mnt
  153  cd /mnt
  154  cp /etc/hosts .
  155  ls
  156  cd
  157  umount /mnt
  158  ls /mnt
  159  vim /etc/fstab
  160  mount -a
  161  mkdir /sda3
  162  mount -a
  163  lsblk
  164  df -h
  165  mount
  166  mount | grep '^/'
  167  history
  168  fdisk /dev/sda
  169  lsblk
  170  fdisk -l /dev/sda
  171  mkfs.xfs /dev/sda4
  172  fdisk /dev/sda
  173  reboot
  174  lsblk
  175  cat /proc/partitions
  176  mkfs.xfs /dev/sda5
  177  mkfs.ext4 /dev/sda6
  178  mkdir /sda5
  179  mkdir /sda6
  180  vim /etc/fstab
  181  mount -a
  182  cp /etc/passwd /sda5
  183  cp /etc/motd /sda6
  184  history