lin3H june 2023

student@student-virtual-machine:~$ history
    1  cat /etc/os-release
    2  whoami
    3  cat /etc/os-release
    4  sudo chvt 3
    5  whoami
    6  ls -l /root
    7  sudo ls -l /root
    8  nano countdown.sh
    9  cat countdown.sh
   10  nano myfile
   11  cat countdown.sh
   12  history
   13  bash countdown.sh 1
   14  countdown.sh 1
   15  ls
   16  echo $PATH
   17  pwd
   18  ./countdown.sh 1
   19  ls -l countdown.sh
   20  chmod +x countdown.sh
   21  ls -l countdown.sh
   22  ./countdown.sh 1
   23  countdown.sh 1
   24  echo $PATH
   25  ./countdown.sh 1
   26  mv countdown.sh countdown
   27  ./countdown
   28  chmod -x countdown
   29  ls -l
   30  chmod 777 countdown
   31  ls -l
   32  chmod -w countdown
   33  chmod 755 countdown
   34  chmod 664 countdown
   35  ls -l countdown
   36  chmod +x countdown
   37  ls -l
   38  cd /
   39  nano hello
   40  pwd
   41  whoami
   42  sudo nano hello
   43  ls -l
   44  cd
   45  pwd
   46  touch newfile
   47  ls -l newfile
   48  history
   49  ls
   50  countdown
   51  echo $PATH
   52  cp countdown usr/local/bin
   53  pwd
   54  cp countdown /usr/local/bin
   55  sudo cp countdown /usr/local/bin
   56  countdown
   57  pwd
   58  ls
   59  cd /
   60  pwd
   61  ls
   62  sudo cp countdown /tmp
   63  sudo cp /home/student/countdown /tmp
   64  cd
   65  pwd
   66  cat /etc/os-release
   67  sudo apt-get update
   68  sudo apt install git
   69  git clone https://github.com/sandervanvugt/linuxin3hours
   70  history
   71  echo $USER
   72  ls -l /home/$USER
   73  cd /
   74  ls -l
   75  cd etc
   76  ls
   77  cat passwd
   78  cd
   79  cd /
   80  ls -l
   81  man hier
   82  PATH=$PATH:/mydir
   83  echo $PATH
   84  man hier
   85  man useradd
   86  man man
   87  man useradd
   88  cd
   89  man -k user
   90  man -k user | wc
   91  man -k user | grep 8
   92  man -k sander
   93  man man
   94  man apropos
   95  mandb
   96  sudo mandb
   97  useradd --help
   98  man ls
   99  pinfo '(coreutils) ls invocation'
  100  sudo apt install pinfo
  101  pinfo '(coreutils) ls invocation'
  102  sudo apt install openssh-server
  103  ps aux
  104  ps aux | wc -l
  105  ps aux | grep ssh
  106  top
  107  systemctl status sshd
  108  sudo systemctl stop sshd
  109  systemctl status sshd
  110  ps aux | grep ssh
  111  sudo systemctl start sshd
  112  ps aux | grep ssh
  113  pidof sshd
  114  sudo kill $(pidof sshd)
  115  systemctl status sshd
  116  sudo systemctl start sshd
  117  ip addr show
  118  ifconfig
  119  ufw status
  120  sudo ufw status
  121  ssh 192.168.29.138
  122  lsblk
  123  sudo mount /dev/sdb1 /mnt
  124  ls -l /mnt
  125  history