RHCSA day 1 March21

    1  tar -czvf /root/archive.tgz /etc
    2  tar -tvf archive.tgz
    3  cat /etc/dnsmasq.conf
    4  cat /etc/dnsmasq.conf | grep -v ""
    5  cat /etc/dnsmasq.conf | grep -v " "
    6  cat /etc/dnsmasq.conf | grep -v ''
    7  cat /etc/dnsmasq.conf | grep -v '^$'
    8  cat /etc/dnsmasq.conf | grep -v '^$' | sort
    9  cat /etc/dnsmasq.conf | grep -v '^$' | grep -v '^#'
   10  cat /etc/dnsmasq.conf | grep -v '^$' | grep -v '^#' | sort
   11  find / -user $USER
   12  useradd lisa
   13  find / -user lisa
   14  find / -user lisa -exec cp {} /root/userfiles/ \;
   15  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \;
   16  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \; 2>/dev/null
   17  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \; 2> finderr.txt
   18  less finderr.txt
   19  ls
   20  ls /home/student/
   21  /home/student/countdown 12
   22  find / -user student -exec cp {} /root/userfiles/ \; 2>/dev/null
   23  find / -user student
   24  find / -user student -exec ls -l {} \; 2>/dev/null
   25  history
   26  less /etc/passwd
   27  id lisa
   28  id student
   29  vim /etc/login.defs
   30  ls -a /etc/skel/
   31  ls -a /home/lisa
   32  vim /etc/login.defs
   33  groupadd sales
   34  groupadd account
   35  useradd -G sales linda
   36  id linda
   37  id lisa
   38  usermod --help
   39  usermod -aG sales lisa
   40  id lisa
   41  chage lisa
   42  su - linda
   43  tail -5 /etc/shadow
   44  man shadow
   45  man 5 shadow
   46  tail -5 /etc/shadow
   47  passwd linda
   48  tail -5 /etc/shadow
   49  grep linda /etc/passwd
   50  grep linda /etc/shadow
   51  grep linda /etc/group
   52  authconfig
   53  man authselect
   54  grep account /etc/group
   55  useradd -G account anna
   56  useradd -G account anouk
   57  mkdir /data/account
   58  mkdir -p /data/account
   59  mkdir -p /data/sales
   60  cd /data
   61  ls -l
   62  chgrp account account
   63  ls -lk
   64  chgrp sales sales
   65  ls -l
   66  chmod g+w account/
   67  ls -l
   68  chmod g+w,o-rx account/
   69  ls -l
   70  chmod 770 sales/
   71  ls -l
   72  cd /home/linda
   73  touch wortel
   74  ls -l
   75  ls -ld .
   76  su - linda
   77  touch carrot
   78  su - linda
   79  useradd bob
   80  cd /home/sales
   81  cd /data/sales
   82  touch bobfile
   83  ls -l
   84  ls -ld .
   85  su - bob
   86  ln /home/student/countdown /usr/bin/countdown
   87  countdown 12
   88  cd
   89  man chattr
   90  su - linda
   91  ls
   92  chattr +i archive.tgz
   93  rm -f archive.tgz
   94  cd /home/linda
   95  vim runme
   96  chmod +x runme
   97  su - linda
   98  chmod u+s runme
   99  ls -l
  100  su - linda
  101  vim runme
  102  exit
  103  su - linda
  104  find / -perm /4000 2>/dev/null
  105  ls -l /usr/bin/passwd
  106  ls -l /etc/shadow
  107  su - linda
  108  chmod g+s /data/sales
  109  su - linda
  110  su - lisa
  111  chmod +t /data/sales
  112  su - lisa
  113  cd /
  114  ls -l
  115  cd /tmp
  116  ls
  117  cd /data/
  118  ls -ld
  119  ls -l
  120  chown lisa sales
  121  su - lisa
  122  history | grep find
  123  find / -perm /1000 -exec ls -l {} 2>/dev/null
  124  find / -perm /1000 -type d -exec ls -l {} 2>/dev/null
  125  find / -perm /1000 -exec ls -l {} \; 2>/dev/null
  126  find / -perm /1000 -exec ls -ld {} \; 2>/dev/null
  127  ls -l
  128  getfacl sales
  129  ls -ld salesx
  130  ls -ld sales
  131  setfacl -m R g:account:rx /data/sales
  132  setfacl -R -m g:account:rx /data/sales
  133  ls -l sales
  134  man setfacl
  135  setfacl -R -x g:account sales
  136  ls -l
  137  ls -l sales/
  138  setfacl -R -m g:account:rX sales
  139  getfacl sales
  140  getfacl sales/linda2
  141  history
  142  countdown 12
  143  setfacl -m d:g:account:rx sales
  144  getfacl sales/
  145  lsblk
  146  poweroff
  147  lsblk
  148  fdisk /dev/sda
  149  lsblk
  150  mkfs.xfs /dev/sda
  151  mkfs.xfs /dev/sda3
  152  mkdir  /files
  153  vim /etc/fstab
  154  mount -a
  155  mount
  156  lsblk
  157  xxd -l 512 /dev/sda | less
  158  fdisk /dev/sda
  159  reboot
  160  lsblk
  161  mkfs.xfs /dev/sda5
  162  mkfs.ext4 /dev/sda6
  163  mkdir /xfs
  164  mkdir /ext4
  165  vim /etc/fstab
  166  fdisk /dev/sda
  167  reboot
  168  vim /etc/fstab
  169  reboot
  170  history