l3H feb 22

    1  echo $SHELL
    2  cat /etc/os-release
    3  whoami
    4  ls
    5  cd
    6  pwd
    7  useradd linda
    8  sudo useradd linda
    9  echo $?
   10  id linda
   11  id
   12  su -
   13  sudo -i
   14  nano countdown
   15  bash countdown 12
   16  nano countdown
   17  vimtutor
   18  echo hello
   19  echo $SHELL
   20  echo $(( 2 * 4 ))
   21  echo $(( 5 * 100000))
   22  echo $(( 9/2))
   23  bash countdown
   24  countdown
   25  echo $PATH
   26  ./countdown
   27  ls -l countdown
   28  chmod +x countdown
   29  ls -l countdown
   30  countdown
   31  ./countdown
   32  ./countdown 1
   33  nano countdown
   34  countdown
   35  echo $PATH
   36  cp countdown /usr/local/bin
   37  Sudo cp countdown /usr/local/bin
   38  sudo cp countdown /usr/local/bin
   39  ls -l /usr/local/bin/countdown
   40  ls -l countdown
   41  ls -l /usr/local/bin
   42  ls -ld /usr/local/bin
   43  sudo ls /root
   44  git
   45  nmap
   46  which nmap
   47  sudo apt install nmap
   48  git clone https://github.com/sandervanvugt/linuxin3hours
   49  cd linuxin3hours/
   50  ls
   51  sudo apt-get update
   52  sudo apt install nmap
   53  which nmap
   54  countdown 12
   55  cat /etc/os-release
   56  man hier
   57  man ls
   58  man useradd
   59  man man
   60  man -k user
   61  man -k user | wc
   62  man -k user
   63  man -k user | grep 8
   64  man -k sander
   65  mandb
   66  man mandb
   67  sudo mandb
   68  useradd --help
   69  ls --help
   70  ls --help | less
   71  ls --help | more
   72  ls --help | less
   73  cat /etc/apt/sources.list
   74  sudo apt install openssh-server
   75  ps aux
   76  sudo ps aux
   77  sudo service ssh start
   78  ps aux
   79  ip a
   80  history
   81  sudo ufw status
   82  cd /etc
   83  ls ssh/
   84  nano /etc/ssh/sshd_config
   85  sudo nano /etc/ssh/sshd_config
   86  service ssh restart
   87  service ssh stop
   88  sudo service ssh restart
   89  ssh localhost
   90  history -w
   91  history
   92  exit
   93  history