lin3H oct21

[student@l3h /]$ history
    1  #sudo apt install vim
    2  sudo dnf install vim
    3  nano countdown
    4  vim countdown
    5  ./countdown
    6  chmod +x countdown
    7  countdown
    8  ./countdown 12
    9  ping nu.nl
   10  sudo dnf repolist
   11  sudo systemctl isolate multi-user.target
   12  history
   13  sudo systemctl start graphical.target
   14  id
   15  sudo useradd bob
   16  cat /etc/passwd
   17  sudo passwd bob
   18  su - bob
   19  whoami
   20  sudo usermod -aG wheel bob
   21  sudo systemctl status sshd
   22  sudo systemctl stop sshd
   23  sudo systemctl start sshd
   24  echo $SHELL
   25  vimtutor
   26  history
   27  history | grep chmod
   28  vim vimdemo
   29  ls *
   30  ls -l
   31  countdown
   32  ls
   33  echo hello
   34  echo $PATH
   35  ./countdown
   36  cp countdown /usr/local/bin/
   37  ls -l /usr/local/bin
   38  ls -ld /usr/local/bin
   39  sudo cp countdown /usr/local/bin/
   40  countdown
   41  sudo dnf install git
   42  git clone https://github.com/sandervanvugt/linuxin3hours
   43  cd linuxin3hours/
   44  ls
   45  cd ..
   46  ls
   47  ls -l
   48  history
   49  sleep 60; countdown 11
   50  sleep 60 && countdown 11
   51  ls -l /
   52  pwd
   53  ls -l /home/$USER
   54  cd /etc
   55  ls
   56  less profile
   57  man hier
   58  man -k user
   59  man -k sander
   60  man man
   61  man apropos
   62  man mandb
   63  sudo mandb
   64  man -k user
   65  man -k user | wc
   66  man -k user | grep 8
   67  man -k user | grep 8 | grep add
   68  passwd --help
   69  ls -lrt
   70  #sudo apt install openssh-server
   71  #sudo systemctl start sshd
   72  sudo systemctl status sshd
   73  sudo kill -9 3359
   74  sudo systemctl status sshd
   75  sudo journalctl
   76  sudo systemctl status sshd
   77  sudo systemctl cat sshd
   78  ip a
   79  #sudo ufw status
   80  sudo firewall-cmd --list-all
   81  ps aux
   82  ps aux | wc
   83  ps aux | grep ssh
   84  top
   85  sudo dd if=/dev/zero of=/dev/null &
   86  sudo top
   87  sudo while true; do true; done &
   88  sudo -i
   89  history
   90  man ifconfig
   91  sudo lsblk
   92  sudo umount /dev/sdb1
   93  sudo mount /dev/sdb1 /mnt
   94  cd /mnt
   95  ls
   96  cd /
   97  sudo lsblk
   98  mount
   99  history