1  visudo
    2  id student
    3  usermod -aG wheel student
    4  id student
    5  exit
    6  journalctl
    7  exit
    8  cd /etc
    9  ls
   10  cd /proc
   11  ls
   12  touch hello
   13  less cpuinfo
   14  cd sys
   15  ls
   16  cd net
   17  ls
   18  cd ipv6
   19  ls
   20  cd cond
   21  ls
   22  cd conf
   23  ls
   24  cd all
   25  ls
   26  ip a
   27  echo 1 > disable_ipv6
   28  ip a
   29  pwd
   30  cd /dev
   31  ls
   32  cd
   33  echo 1 > muyfule
   34  cat muyfule
   35  cd /var
   36  ls
   37  cd log
   38  ls
   39  less /etc/passwd
   40  cd /dev
   41  ls
   42  ls -l
   43  cd
   44  man hier
   45  countdown 13
   46  cd /
   47  ls -l
   48  cd /bin
   49  ls
   50  pwd
   51  ls | wc
   52  cd /usr/bin
   53  ls | wc
   54  cd
   55  ls -il /etc/hosts
   56  cd /boot
   57  mount | grep ext4
   58  ls -il
   59  debugfs /boot
   60  debugfs /dev/sda1
   61  cd
   62  ls -il /etc/hosts
   63  ln /etc/hosts myhosts
   64  ls -il /etc/hosts myhosts
   65  echo hello >> /etc/hosts
   66  ls -il /etc/hosts myhosts
   67  ln -s /etc/hosts myshosts
   68  ls -il /etc/hosts myhosts myshosts
   69  cat myshosts
   70  rm /etc/hosts
   71  cat myhosts
   72  cat myshosts
   73  ls -il /etc/hosts myhosts myshosts
   74  ln myhosts /etc/hosts
   75  history
   76  ln /etc myetc
   77  ln -s /etc myetc
   78  ln /boot/vmlinuz-4.18.0-193.el8.x86_64 mykernel
   79  ln -s /boot/vmlinuz-4.18.0-193.el8.x86_64 mykernel
   80  history
   81  mount
   82  mount | grep '^/'
   83  cd /boot
   84  ls
   85  cd /
   86  umount /dev/sda1
   87  cd boot
   88  ls
   89  cd ..
   90  mount /dev/sda1 /boot
   91  ls
   92  cd boot
   93  ls
   94  mount /dev/sdb1 /mnt
   95  man -k user
   96  man man
   97  man apropos
   98  mandb
   99  man -k user
  100  man -k user | wc
  101  man man
  102  man -k user | grep 8
  103  man -k user | grep 8 | wc
  104  man useradd
  105  man ls
  106  info '(coreutils) ls invocation'
  107  find / -name "hosts"
  108  find / -name "*hosts*"
  109  find / -user linda
  110  find / -size +106M
  111  find / -size +106M 2>/dev/null
  112  exit
  113  history
  114  less /etc/passwd
  115  less /etc/shadow
  116  man 5 shadow
  117  passwd --help
  118  vim /etc/login.defs
  119  cd /etc/skel
  120  ls -a
  121  echo hello >hello.txt
  122  pwd
  123  useradd bill
  124  grep bill /etc/passwd
  125  grep bill /etc/shadow
  126  passwd --help
  127  passwd -l linda
  128  grep linda /etc/passwd
  129  grep linda /etc/shadow
  130  passwd -u linda
  131  chage linda
  132  grep linda /etc/shadow
  133  vim /etc/login.defs
  134  groupadd students
  135  groupadd profs
  136  useradd -G sales lisa
  137  useradd -G students lisa
  138  useradd -G students linda
  139  usermod -aG student linda
  140  useradd -G profs anna
  141  useradd -G profs anouk
  142  useradd --help
  143  usermod --help
  144  grep student /etc/groups
  145  grep student /etc/group
  146  id linda
  147  usermod -G students linda
  148  usermod --help
  149  vigr
  150  cd
  151  su - linda
  152  mkdir /data/profs
  153  mkdir /data/profs -p
  154  cd /data
  155  ls -l
  156  chown profs profs
  157  chgrp profs profs
  158  ls -l
  159  chmod 770 profs/
  160  cd /home/linda
  161  touch rootfile1
  162  touch rootfile2
  163  touch rootfile3
  164  su - linda
  165  pwd
  166  vim playme
  167  ls -l
  168  chmod +x playme
  169  su - linda
  170  chmod u+s playme
  171  ls -l
  172  su - linda
  173  vim playme
  174  su - linda
  175  ls -l /etc/shadow
  176  ls -l $(which passwd)
  177  find / -perm /4000
  178  mkdir -p /data/profs
  179  cd /data
  180  ls -l
  181  su - anouk
  182  usermod -aG profs anouk
  183  id anna
  184  cd profs/
  185  su - anouk
  186  su - anna
  187  chmod g+s .
  188  ls -l .
  189  ls -ld .
  190  touch root
  191  ls -l
  192  su - anouk
  193  su - anna
  194  chmod +t .
  195  ls -ld .
  196  su - anna
  197  chown anna .
  198  ls -ld .
  199  su - anna
  200  cd /data/nna
  201  cd /home/anna/
  202  touch hello
  203  ls -l
  204  ls -ld .
  205  cd /data/student
  206  mkdir /data/students
  207  chown :students /data/students
  208  cd /data
  209  ls -l
  210  chmod 3770 students/
  211  ls -l
  212  chmos o+x students/
  213  chmod o+x students/
  214  ls -l
  215  chmod g-x students
  216  ls -l
  217  chmod 3770 students/
  218  ls -l
  219  chmod -t *
  220  ls -l
  221  cd students/
  222  touch rootfile
  223  chmod 000 rootfile
  224  su - lisa
  225  cd
  226  countdown 12
  227  cd /data
  228  ls -l
  229  tree
  230  su - anna
  231  su - lisa
  232  tree
  233  cd students/
  234  ls -l
  235  cd ..
  236  getfacl -m -R g:profs:rx /data/students
  237  setfacl -m -R g:profs:rx /data/students
  238  setfacl -R -m g:profs:rx /data/students
  239  ls -l /data/students/
  240  getfacl students/
  241  getfacl students/lisa1
  242  man setfacl
  243  setfacl -R -x g:profs students/
  244  ls -l /data/students/
  245  getfacl students/
  246  setfacl -R -m g:profs:rX /data/students
  247  getfacl students/
  248  ls -l students/
  249  su - linda
  250  ls -l students/
  251  getfacl students/lisa1
  252  getfacl students/lindapaper
  253  history
  254  setfacl -m d:g:profs:rx /data/students
  255  getfacl students/
  256  su - linda
  257  getfacl students/ldain2
  258  history
  259  getfacl students/
  260  yum repolist
  261  cd /etc/yum.repos.d/
  262  ls
  263  rm -f *
  264  yum repolist
  265  yum install nmap
  266  cd
  267  dd if=/dev/sr0 of=/centos8.iso bs=1M
  268  cd /
  269  ls -l
  270  df -h
  271  mkdir /repo
  272  vim /etc/fstab
  273  ls /repo
  274  ls /repo/
  275  mount -a
  276  ls /repo/
  277  yum repolist
  278  cd repo
  279  ls
  280  cd BaseOS/
  281  ls
  282  ls Packages/
  283  ls repodata/
  284  cd ../AppStream/
  285  ls
  286  cd /etc/yum.repos.d/
  287  vim base.repo
  288  vim appstream.repo
  289  yum repolist
  290  yum search nmap
  291  yum install nmap
  292  vim appstream.repo
  293  countdown 12
  294  cd
  295  yum search seinfo
  296  yum provides */seinfo
  297  yum install setools-console
  298  ls -l $(which dnf)
  299  ls -l $(which yum)
  300  yum module list
  301  yum module provides python
  302  yum module provides python3
  303  yum module provides httpd
  304  yum module info httpd
  305  yum module provides python36
  306  yum module list
  307  yum module list virt
  308  yum module list php
  309  yum module install php:7.3/minimal
  310  lsblk
  311  poweroff
  312  lsblk
  313  fdisk /dev/sda
  314  lsblk
  315  mkfs.xfs /dev/sda3
  316  mkdir /files
  317  vim /etc/fstab
  318  mount -a
  319  cd /
  320  ls
  321  ls -l
  322  date
  323  umount /files
  324  vim /etc/fstab
  325  ls
  326  history | grep mkdir
  327  mount -a
  328  history
  329  mount -a
  330  mkdir /myfiles
  331  mount -a
  332  mount
  333  countdown 12
  334  fdisk /dev/sda
  335  lsblk
  336  cat /proc/partitions
  337  reboot
  338  lsblk
  339  yum search btrfs
  340  yum install epel-release
  341  mkfs.xfs /dev/sda5
  342  mkfs.ext4 /dev/sda6
  343  mkdir /xfs /ext4
  344  vim /etc/fstab
  345  mount -a
  346  umount /xfs
  347  vi /etc/fstab
  348  fdisk /dev/sda
  349  reboot
  350  lsblk
  351  blkid
  352  tune2fs --help
  353  tune2fs -L goat /dev/sda5
  354  vim /etc/fstab
  355  xfs_admin --help
  356  reboot
  357  mount
  358  mount | grep '^/'
  359  blkid
  360  lsblk
  361  fdisk /dev/sda
  362  mount /dev/sda6 /xfs
  363  umount /xfs
  364  xfs_admin -L cow /dev/sda6
  365  vim /etc/fstab
  366  fdisk /dev/sda
  367  reboot
  368  history
  369  lsblk
  370  blkid
  371  cat /etc/fstab
  372  xxd /dev/sda5 | less
  373  xxd /dev/sda6 | less
  374  history