LinFun day1 nov21

[student@rocky ~]$ history
    1  ls
    2  vi countdown
    3  chmod +x countdown
    4  cat countdown
    5  echo $PATH
    6  pwd
    7  cp countdown /usr/local/bin/
    8  whoami
    9  sudo cp countdown /usr/local/bin/
   10  countdown 1
   11  history
   12  countdown 0
   13  history
   14  echo $PATH
   15  sudo reboot
   16  history
   17  ##### ON GRUB PROMPT: add "systemd.unit=multi-user.target"
   18  history
   19  clear
   20  sudo systemctl start graphical.target
   21  history
   22  history
   23  sudo -i
   24  id
   25  id linda
   26  sudo usermod -aG wheel linda
   27  id linda
   28  su - linda
   29  history
   30  id
   31  cat /etc/groups
   32  cat /etc/group
   33  exit
   34  sudo apt install openssh-server
   35  sudo systemctl status sshd
   36  history
   37  sudo systemctl status sshd
   38  ip a
   39  countdown 12
   40  uname --help
   41  uname --all
   42  uname -a
   43  ls -h
   44  ls --help
   45  ls --help | less
   46  ls -lrt
   47  netstat -tulpen
   48  ps aux
   49  ps -aux
   50  whoami
   51  WHOAMI
   52  whoami --help
   53  hostname
   54  hostname --help
   55  hostname -i
   56  hostname -a
   57  date
   58  date --help | less
   59  date +%m-%d-%y
   60  date +%d-%m-%y
   61  date +%d-%m-%Y
   62  date +%d-%M-%Y
   63  uanem
   64  uname
   65  uname -a
   66  uname -r
   67  passwd --help | less
   68  passwd -S linda
   69  sudo passwd -S linda
   70  touch hello
   71  ls -l
   72  cd /
   73  touch hello
   74  cd tmp
   75  touch hello
   76  cd
   77  pwd
   78  date
   79  ls -l hello
   80  touch hello
   81  ls -l hello
   82  last
   83  w
   84  who
   85  w
   86  history
   87  passwd --help | less
   88  last
   89  which last
   90  sudo rm /usr/bin/last
   91  sudo dnf provides */finger
   92  which last
   93  sudo rm -f /usr/bin/last
   94  last
   95  man man
   96  man last
   97  man find
   98  man man
   99  ls -l /etc/passwd
  100  which passwd
  101  man passwd
  102  man 5 passwd
  103  man -a passwd
  104  man -k user
  105  man man
  106  man apropos
  107  man mandb
  108  sudo mandb
  109  man -k user
  110  man -k user | wc
  111  man -k user | grep 8
  112  man -k user | grep 8 | wc
  113  man ls
  114  info ls
  115  pinfo ls
  116  cd /usr/share/doc
  117  ls
  118  cd grep
  119  ls
  120  ls -l
  121  less NEWS
  122  cd ..
  123  cd pam
  124  ls
  125  less Linux-PAM_SAG.txt
  126  cd
  127  countdown 12
  128  ls
  129  ls -a
  130  ls -l
  131  ls -lrt
  132  pwd
  133  cd /etc
  134  ls a*
  135  ls -d a*
  136  ls -d a?.*
  137  ls -d a[uv]*
  138  ls -d a[u-z]*
  139  cd
  140  pwd
  141  cd /etc
  142  cd
  143  mkdir hellodir
  144  ls
  145  ls -l
  146  rmdir hellodir/
  147  cd /usr
  148  ls
  149  du -sh
  150  cd /etc
  151  ls
  152  less DIR_COLORS
  153  cd /var
  154  ls
  155  cd log
  156  ls -l
  157  ls -lrt
  158  cd
  159  journalctl
  160  history
  161  du -hs
  162  cd /var
  163  di -hs
  164  du -hs
  165  sudo du -hs 2>/dev/null
  166  #sudo rm -rf / --no-preserve-root
  167  cd
  168  man hier
  169  ssh [email protected] man hier
  170  ssh [email protected] "man hier"
  171  ssh [email protected] man hier | less
  172  ssh [email protected] "man hier | less"
  173  ssh [email protected] man hier | less
  174  sudo ifconfig
  175  man ifconfig
  176  ip a
  177  sudo ip a
  178  sudo ip addr add dev ens160 10.0.0.10/24
  179  ip a
  180  ping 10.0.0.10
  181  sudo ifconfig
  182  sudo ifconfig -a
  183  sudo ldd /usr/sbin/ifconfig
  184  sudo ldd /usr/sbin/ip
  185  which ifconfig
  186  sudo rm -f $(which ifconfig)
  187  sudo tail /var/log/messages
  188  cd /var
  189  sudo tail log/messages
  190  cd cache/
  191  pwd
  192  cd /usr/share/doc/
  193  tail ../../../var/log/messages
  194  tail /var/log/messages
  195  cd
  196  sudo cp -R /tmp/ .
  197  ls
  198  sudo cp -R /tmp .
  199  ls
  200  mv hello bye
  201  ls -l
  202  history