RHCSA day1 july21

[root@localhost ~]# history
    1  groupadd sales
    2  groupadd account
    3  vim /etc/login.defs
    4  useradd --help | less
    5  useradd -G sales linda
    6  usermod --help | less
    7  usermod -G sales linda
    8  id linda
    9  usermod -G wheel linda
   10  id linda
   11  usermod -aG wheel linda
   12  id linda
   13  usermod -aG sales linda
   14  id linda
   15  useradd -G sales lisa
   16  useradd -G account anna
   17  useradd -G account anouk
   18  chage lisa
   19  for i in lisa linda anna anouk; do echo password | passwd --stdin $i; done
   20  passwd linda
   21  tail /etc/shadow
   22  cd /etc/skel/
   23  ls
   24  ls -a
   25  exit
   26  tar czvf /root/archive.tgz /etc
   27  tar tvf /root/archive.tgz
   28  less /etc/dnsmasq.conf
   29  grep -c '^$' /etc/dnsmasq.conf | sort
   30  grep -v '^$' /etc/dnsmasq.conf | sort
   31  grep -v '^$' /etc/passwd | sort
   32  echo $USER
   33  find / -user $USER
   34  useradd bob
   35  find / -user bob
   36  mkdir /root/usersfiles; find / -user bob -exec cp {} /root/userfiles/ \;
   37  mkdir /root/userfiles; find / -user bob -exec cp {} /root/userfiles/ \;
   38  history
   39  ls
   40  cd /home/student
   41  bash countdown 12
   42  history
   43  for i in $(find / -user bob); do cp $i /root/userfiles/; done
   44  history
   45  grep '.' /etc/dnsmasq.conf
   46  history
   47  vim countdown
   48  ./countdown 12 lab
   49  ls -l
   50  bash countdown 12 lab
   51  chmod +x countdown
   52  ./countdown 12 lab
   53  echo $PATH
   54  cp countdown /usr/bin/
   55  countdown 12 break
   56  id student
   57  vim /etc/login.defs
   58  vim /etc/default/useradd
   59  tail -n 3 /etc/passwd
   60  tail -n 3 /etc/shadow
   61  man 5 shadow
   62  cat /etc/login.defs
   63  vim /etc/passwd
   64  userdel --help
   65  userdel bob
   66  tail /etc/passwd
   67  cd /home
   68  ls -l
   69  useradd linda
   70  id linda
   71  ls -l
   72  cd
   73  vim lab1.txt
   74  exit
   75  ls -a /etc/skel/
   76  cp /etc/hosts /etc/skel/
   77  useradd bill
   78  ls -al /home/bill/
   79  countdown 12
   80  passwd --help | less
   81  ls
   82  vim lab2.txt
   83  mkdir /data/sales /data/account
   84  mkdir -p /data/sales /data/account
   85  cd /data
   86  ls -l
   87  id
   88  chgrp sales sales
   89  chown :account account
   90  ls -l
   91  chmod g+w account
   92  ls -l
   93  chmod 770 account/
   94  ls -l
   95  chmod g+w,o-rx sales/
   96  ls -l
   97  ls -l /etc/shadow
   98  tail /etc/shadow
   99  cd /home/linda
  100  touch rootfile
  101  su - linda
  102  pwd
  103  touch root2
  104  pwd
  105  su - linda
  106  find / -perm /4000
  107  ls -l /usr/bin/passwd
  108  ls -l /etc/shadow
  109  find / -perm /4000 2> /dev/null
  110  su - linda
  111  su - lisa
  112  chmod g+s /data/sales
  113  ls -ld /data/sales
  114  su - lisa
  115  chmod +t /data/sales
  116  ls -ld /data/sales
  117  su - linda
  118  ls -ld /data/account; chmod 3770 /data/account
  119  ls -ld /data/account
  120  countdown 12 break
  121  lsblk
  122  poweroff
  123  lsblk
  124  fdisk /dev/sda
  125  lsblk
  126  mkfs.xfs /dev/sda3
  127  mkdir /data
  128  ls /data
  129  vim /etc/fstab
  130  mount -a
  131  reboot
  132  mount
  133  mount | grep '^/'
  134  ls /data
  135  history