[student@server2 ~]$ su -
Password:
[root@server2 ~]# vim /etc/fstab
[root@server2 ~]# history
    1  sudo useradd lisa
    2  sudo userdel lida
    3  sudo userdel lisa
    4  sudo passwd lisa
    5  sudo passwd root
    6  exit
    7  sudo passwd root
    8  sudo passwd bob
    9  exit
   10  touch lindafile1
   11  touch lindafile2
   12  exit
   13  cd /etc/sudoers.d/
   14  ls
   15  cat linda
   16  yum provides */pbrun
   17  cd /etc
   18  ls sudoer*
   19  cd /home/student/
   20  ./countdown 12
   21  man hier
   22  cd /
   23  ls
   24  ls -l
   25  cd boot
   26  ls
   27  cd /dev
   28  ls
   29  cd /etc
   30  ls
   31  cat sudoers
   32  cat passwd
   33  cd /
   34  ls
   35  cd home
   36  ls
   37  cd /root
   38  ls
   39  pwd
   40  cd run
   41  cd /run
   42  ls
   43  cd /tmp
   44  ls
   45  cd /usr
   46  du -hs
   47  ls
   48  cd /var
   49  ls
   50  cd log
   51  ls
   52  cd /
   53  ls -l
   54  ls -il /etc/hosts
   55  ln /etc/hosts /root/myhosts
   56  ls -il /etc/hosts /root/myhosts
   57  echo hello >> /etc/hosts
   58  ls -il /etc/hosts /root/myhosts
   59  cat /root/myhosts
   60  cd
   61  ln -s /root/myhosts /tmp/symhosts
   62  ls -il /etc/hosts /root/myhosts /tmp/symhosts
   63  cat /tmp/symhosts
   64  rm /root/myhosts
   65  ls -il /etc/hosts /root/myhosts /tmp/symhosts
   66  cat /tmp/symhosts
   67  ln /etc/hosts /root/myhosts
   68  ls -il /etc/hosts /root/myhosts /tmp/symhosts
   69  ln /etc /myetc
   70  ln /boot/vmlinuz-4.18.0-147.el8.x86_64 mykernel
   71  find / -samefile /etc/hosts
   72  find / -samefile /etc/hosts
   73  find / -samefile /etc/hosts 2> /dev/null
   74  history
   75  history | less
   76  cp /tmp/symhosts .
   77  ls -l
   78  cat symhosts
   79  man hier
   80  lsblk
   81  umount /dev/sdb1
   82  lsblk
   83  mount /dev/sdb1 /mnt
   84  ls /mnt
   85  umount /mnt
   86  cd /home/student/
   87  ls
   88  countdown
   89  echo $PATH
   90  mv countdown /usr/bin
   91  countdown 12
   92  man -k user
   93  man man
   94  man apropos
   95  man mandb
   96  mandb
   97  man -k user
   98  man man
   99  man -k user | grep 8
  100  find / -name "hosts"
  101  find / -name "*hosts*"
  102  find / -user linda
  103  find / -size +100M
  104  find / -user linda -exec ls -l {} \;
  105  find / -user linda -exec cp {} /root \;
  106  ls
  107  ls -la
  108  su - linda
  109  find / -user linda -exec cp {} /root \;
  110  ls -l
  111  pwd
  112  cd /root
  113  ls -l
  114  history
  115  ps aux
  116  ps aux | grep ssh
  117  grep linda /etc/*
  118  grep linda /etc/* 2>/dev/null
  119  grep -l linda /etc/* 2>/dev/null
  120  grep -lR linda /etc/* 2>/dev/null
  121  which vi
  122  which vim
  123  ls -l /bin/vi /bin/vim
  124  exit
  125  vim /etc/hosts
  126  vim /etc/login.defs
  127  echo $(( 99999 / 365 ))
  128  vim /etc/login.defs
  129  groupadd sales
  130  groupadd account
  131  useradd --help
  132  useradd -G sales linda
  133  id linda
  134  usermod -aG sales linda
  135  id linda
  136  usermod -aG sales lisa
  137  useradd -G account anna
  138  useradd -G account anouk
  139  history
  140  tail -n 6 /etc/passwd
  141  tail -n 3 /etc/group
  142  tail -n 6 /etc/group
  143  mkdir /data/sales
  144  mkdir /data/sales -p
  145  mkdir /data/account -p
  146  cd /data
  147  ls -l
  148  id
  149  chown :account account
  150  ls -l
  151  chgrp sales sales
  152  ls -l
  153  chmod 770 *
  154  ls -l
  155  su - lisa
  156  su - linda
  157  su - lisa
  158  history
  159  echo this is some text > rootfile
  160  md5sum rootfile
  161  md5sum rootfile > rootfile.md5
  162  cat rootfile.md5
  163  vim rootfile
  164  md5sum rootfile
  165  mkdir mydir
  166  mkdir complete/path/of/directories
  167  mkdir -p complete/path/of/directories
  168  cp /etc/hosts /data/sales
  169  cp /etc/hosts /data/sals
  170  ls /data/sales
  171  ls -l /data/sals
  172  cat /data/sals
  173  cp /etc/hosts /data/account/
  174  cp /etc/hosts /data/accont/
  175  history
  176  vim rootfile
  177  md5sum rootfile > newmd5.md5
  178  diff rootfile.md5 newmd5.md5
  179  cat rootfile.md5 newmd5.md5
  180  vim /etc/group
  181  cd /home/linda
  182  vim playme
  183  chmod +x playme
  184  ./playme
  185  chmod u+s playme
  186  ls -l
  187  su - linda
  188  find / -perm /4000 -exec ls -l {} \;
  189  ls -l /etc/shadow
  190  cd /data/sales
  191  su - linda
  192  su - lisa
  193  chmod g+s .
  194  ls -l .
  195  ls -ld .
  196  su - lisa
  197  chmod +t .
  198  ls -ld .
  199  su - lisa
  200  id linda
  201  grep linda /etc/group
  202  grep linda /etc/passwd
  203  less /var/log/messages
  204  less /var/log/audit/audit.log
  205  man auditctl
  206  auditctl -w /etc/ -p wa
  207  vim /etc/motd
  208  less /var/log/audit/audit.log
  209  cd ..
  210  ls -l
  211  rm r*
  212  rm sals
  213  rmdir mydir/ complete/
  214  rm -rf complete/
  215  ls -l
  216  rm newmd5.md5
  217  ls -l
  218  getfacl sales
  219  setfacl -m -R g:account:rx sales
  220  setfacl -R -m g:account:rx sales
  221  getfacl sales
  222  cd sales
  223  ls -l
  224  man setfacl
  225  cd ..
  226  setfacl -R -x g:account sales
  227  ls -l sales/
  228  setfacl -R -m g:account:rX sales
  229  getfacl sales
  230  ls -l sales/
  231  setfacl sales/lisa1
  232  getfacl sales/lisa1
  233  su - lisa
  234  getfacl sales/newlisa
  235  setfacl -m d:g:account:rx sales
  236  getfacl sales
  237  su - lisa
  238  getfacl sales/lisa123
  239  history
  240  countdown 13
  241  vim /etc/login.defs
  242  groupadd profs students
  243  groupadd profs
  244  groupadd student
  245  groupadd students
  246  useradd mandy -aG students
  247  useradd -aG students mandy
  248  useradd -G students mandy
  249  useradd -G students melanie
  250  useradd -G profs boris
  251  useradd -G profs bobob
  252  history
  253  usermod -aG students linda
  254  usermod -aG students lisa
  255  usermod -aG profs anna
  256  usermod -aG profs anouk
  257  chage -l linda
  258  chage -l bob
  259  chage -l bobob
  260  chage bob
  261  yum repolist
  262  cd /etc/yum.repos.d/
  263  ls
  264  rm -f *
  265  yum repolist
  266  cd
  267  dd if=/dev/sr0 of=/centos8.iso bs=1M
  268  mkdir /repo
  269  vim /etc/fstab
  270  mount -a
  271  cd /repo
  272  ls
  273  cd BaseOS/
  274  ls
  275  cd Packages/
  276  ls
  277  cd ../..
  278  cd AppStream/
  279  ls
  280  cd Packages/
  281  ls
  282  cd ..
  283  cd /etc/yum.repos.d/
  284  vim baseos.repo
  285  vim appstream.repo
  286  yum repolist
  287  vim appstream.repo
  288  yum repolist
  289  yum search nmap
  290  yum install nmap
  291  yum search seinfo
  292  yum provides */seinfo
  293  yum remove kernel
  294  yum remove bash
  295  cat appstream.repo baseos.repo
  296  yum groups list
  297  yum groups list --hidden
  298  yum groups info "Virtualization Tools"
  299  yum groups install "Virtualization Tools"
  300  yum install -y epel-release
  301  yum search epel
  302  yum provides */kvm2
  303  cd
  304  countdown 12
  305  ping google.com
  306  yum modules list
  307  yum module list
  308  yum module list | less
  309  yum modules provides httpd
  310  yum module provides httpd
  311  yum module info httpd
  312  yum module install postgresql:9.6/devel
  313  yum module info postgresql
  314  yum module install postgresql:9.6/server
  315  ip -h
  316  ip a
  317  ip addr add dev ens33 10.0.0.10/24
  318  ip a
  319  ping 10.0.0.10
  320  ifconfig
  321  ifconfig -a
  322  man ifconfig
  323  which ifconfig
  324  rpm -qf $(which ifconfig)
  325  rpm -ql net-tools
  326  rpm -ql net-tools | grep bin
  327  yum remove net-tools
  328  ip route show
  329  ip route del default via 192.168.4.2
  330  ip route show
  331  ping nu.nl
  332  ip route add default via 192.168.4.2
  333  ping nu.nl
  334  vim /etc/resolv.conf
  335  vim /etc/sysconfig/network-scripts/ifcfg-ens33
  336  systemctl status NetworkManager
  337  nmtui
  338  ip a
  339  ping nu.nl
  340  vim /etc/sysconfig/network-scripts/ifcfg-ens33
  341  vim /etc/resolv.conf
  342  systemctl restart NetworkManager
  343  vim /etc/resolv.conf
  344  ip neigh
  345  ip neigh -h
  346  ip neigh help
  347  ip neigh show
  348  nmap -sn 192.168.4.0/24
  349  ip neigh show
  350  history
  351  nmap -sn 192.168.4.0/24
  352  ping 192.168.4.1
  353  ping 192.168.4.254
  354  ip neigh show
  355  countdown 13
  356  lsblk
  357  poweroff
  358  lsblk
  359  fdisk /dev/sda
  360  lsblk
  361  mkfs.xfs /dev/sda3
  362  mount /dev/sda3 /mnt
  363  mount
  364  mount | grep '^/'
  365  vim /etc/fstab
  366  mount -a
  367  mkdir /myfiles
  368  mount -a
  369  mount | grep '^/'
  370  umount /mnt
  371  reboot
  372  vim /etc/fstab
  373  reboot
  374  vim /etc/fstab
  375  reboot
  376  vim /etc/fstab
  377  history