LFCS july21 day1

[root@rocky2 ~]# history
    1  git clone https://github.com/sandervanvugt/luth
    2  git clone https://github.com/sandervanvugt/lfcs
    3  cd lfcs
    4  ls
    5  ./countdown 12
    6  find / -name "hosts"
    7  find / -name "*hosts*"
    8  useradd linda
    9  find / -user linda
   10  find / -user linda 2>/dev/null
   11  mkdir /root/linda; find / -user linda -exec cp {} /root/linda/ \; 2>/dev/null
   12  ls -a /root/linda
   13  find / -perm /4000
   14  find / -perm /4000 > ~/suidfiles.txt
   15  ls ihiuhiu; who
   16  ls ukhiuiu && who
   17  echo $?
   18  ls ukhiuiu || who
   19  ls || who
   20  man find
   21  find / -perm /4111
   22  find / -perm /4000
   23  find / -perm 4111
   24  find / -perm /4000 -exec ls -l {} \;
   25  find / -perm -4111
   26  man find
   27  find / -type f -size +100M
   28  mkdir find/contents; find /etc -exec grep -l student {} \; -exec cp {} find/contents/ \; 2>/dev/null
   29  mkdir -p find/contents; find /etc -exec grep -l student {} \; -exec cp {} find/contents/ \; 2>/dev/null
   30  find /etc/ -name '*' -type f | xargs grep '127.0.0.1'
   31  sed -n 5p /etc/passwd
   32  ls
   33  cd ..
   34  ls
   35  vim mythings
   36  sed -i 's/apple/beer/g' mythings
   37  cat suidfiles.txt
   38  cat mythings
   39  sed -i -e '2d' mythings
   40  cat mythings
   41  awk -F : '{ print $4 }' /etc/passwd
   42  awk -F : '{ print $4 }' /etc/passwd | sort -n
   43  cut -d -f 4 /etc/passwd | sort -n
   44  cut -d : -f 4 /etc/passwd
   45  awk -F : '/linda/ { print $4 }' /etc/passwd
   46  vim demo1.txt
   47  vim /etc/login.defs
   48  cd /etc/skel/
   49  ls
   50  ls -a
   51  touch hello
   52  groupadd sales
   53  groupadd account
   54  useradd -G sales linda
   55  usermod -aG sales linda
   56  useradd lisa
   57  id lisa
   58  usermod -aG sales lisa
   59  id lisa
   60  usermod -G wheel lisa
   61  id lisa
   62  usermod -aG sales lisa
   63  id lisa
   64  useradd -aG account anna
   65  useradd -G account anna
   66  id anna
   67  useradd -G account anouk
   68  cat demo1.txt
   69  for user in lisa linda anna anouk; do echo password | passwd --stdin $user; done
   70  passwd lisa
   71  history
   72  history -d 68
   73  tail -4 /etc/passwd
   74  tail -4 /etc/shadow
   75  passwd -l lisa
   76  tail -4 /etc/shadow
   77  luth/countdown 12
   78  touch removeme
   79  lsattr
   80  chattr +o removeme
   81  chattr +i removeme
   82  ls -l
   83  rm -f removeme
   84  chattr -i removeme
   85  rm -f removeme
   86  ls
   87  vim demo2.txt
   88  mkdir -p /data/sales
   89  mkdir -p /data/account
   90  cd /data
   91  ls -l
   92  chown anna:account account
   93  ls -l
   94  chown anna:sales sales
   95  cat ~/demo2.txt
   96  id linda
   97  su - linda
   98  chmod g+w *
   99  ls -l
  100  su - linda
  101  su - lisa
  102  ls -l
  103  chmod g+s sales
  104  ls -l
  105  su - lisa
  106  ls -l
  107  chmod +t *
  108  ls -l
  109  su - lisa
  110  su - anna
  111  cd /home/linda
  112  whoami
  113  echo hellowortel > wortelfile
  114  ls -l
  115  echo hellobrocolli > brofile
  116  su - linda
  117  lsattr
  118  chattr +i hello
  119  rm -f hello
  120  chattr -i hello
  121  lsattr
  122  cd /data
  123  ls -al
  124  ls -ld sales/
  125  cd
  126  luth/countdown 18
  127  find / -perm /4000 2>/dev/null
  128  ls -l $(which passwd)
  129  ls -l /etc/shadow
  130  cd /home/linda
  131  ls
  132  vim playme
  133  chmod +x playme
  134  exit
  135  cd /home/linda
  136  chmod u+s playme
  137  ls -l
  138  history
  139  cat playme
  140  cd
  141  yum repolist
  142  yum search zsh
  143  yum install zsh
  144  yum update
  145  yum list installed
  146  yum provides */sealert
  147  which dnf
  148  which yum
  149  ls -l /usr/bin/yum
  150  yum groups list
  151  yum groups install "Virtualization Host"
  152  man yum
  153  yum --help | less
  154  ip a
  155  ip a a dev ens33 10.0.0.10/24
  156  ip a
  157  ping 10.0.0.10
  158  ifconfig
  159  ip --help | less
  160  rpm -qf $(which ifconfig)
  161  rpm -ql net-tools | grep bin
  162  yum remove net-tools
  163  man ifconfig
  164  luth/countdown 12
  165  systemctl status NetworkManager
  166  nmtui
  167  ip a
  168  lsblk
  169  history

[root@rocky ~]# history
    1  lsblk
    2  fdisk /dev/sda
    3  reboot
    4  lsblk
    5  mkfs.xfs /dev/sda5
    6  mkfs.ext4 /dev/sda6
    7  mkdir /ext4 /xfs
    8  vim /etc/fstab
    9  history
   10  vim /etc/fstab
   11  mount -a
   12  mount
   13  mount | grep '^/'
   14  history