linuxfun day1 dec20

Your Hardware Enablement Stack (HWE) is supported until April 2025.
Last login: Wed Dec 16 17:40:55 2020 from 192.168.4.42
student@student-virtual-machine:~$ exit
logout
Connection to 192.168.4.41 closed.
student@student-virtual-machine:~/mydir$ ssh student@192.168.4.42
The authenticity of host '192.168.4.42 (192.168.4.42)' can't be established.
ECDSA key fingerprint is SHA256:b9bbBmBF54e5fSY1fcwM/D9xFk79dNs2xz/klUIwufI.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '192.168.4.42' (ECDSA) to the list of known hosts.
student@192.168.4.42's password:
Activate the web console with: systemctl enable --now cockpit.socket

Last login: Wed Dec 16 17:34:12 2020 from 192.168.4.1
[student@linfuncent ~]$
[student@linfuncent ~]$ cat countdown
#!/bin/bash

COUNTER=$1
COUNTER=$(( COUNTER * 60 ))

while [ $COUNTER -gt 0 ]
do
	echo $COUNTER seconds remaining in break
	sleep 1
	COUNTER=$(( COUNTER - 1 ))
done
[student@linfuncent ~]$ history
    1  w
    2  sudo chvt 2
    3  vimtutor
    4  vim countdown
    5  countdown 12
    6  ./countdown 12
    7  chmod +x countdown
    8  ./countdown 12
    9  cat countdown
   10  chvt 3
   11  sudo chvt 3
   12  ip a
   13  ssh 192.168.4.41
   14  sudo dnf install openssh
   15  sudo firewall-cmd --list-all
   16  cat /etc/os-release
   17  history
   18  countdown 12
   19  echo $PATH
   20  pwd
   21  ./countdown
   22  cp countdown /usr/local/bin/
   23  sudo cp countdown /usr/local/bin/
   24  countdown
   25  history
   26  apt install nmap
   27  uname -r
   28  cat /etc/os-release
   29  cat /etc/redhat-release
   30  su -
   31  su - lisa
   32  sudo journalctl
   33  su -
   34  sudo id lisa
   35  su - lisa
   36  whoami
   37  echo $PS1
   38  cat countdown ; sleep 60; countdown 11
   39  history
   40  whoami
   41  whoami --help
   42  hostname --help
   43  hostname
   44   -A
   45   hostname -A
   46   hostname -i
   47  date
   48  uname --help
   49  uname -p
   50  lscpu
   51  passwd
   52  echo password
   53  echo password | passwd --stdin lisa
   54  sudo echo password | passwd --stdin lisa
   55  sudo 'echo password | passwd --stdin lisa'
   56  sudo -c 'echo password | passwd --stdin lisa'
   57  sudo -i
   58  touch abc
   59  ls -l
   60  pwd
   61  cd /
   62  touch abc
   63  cd
   64  ls -l
   65  date
   66  touch abc
   67  ls -l
   68  last
   69  man usermod
   70  man man
   71  man usermod
   72  man lvcreate
   73  man -k user
   74  sudo mandb
   75  man -k user
   76  man -k user | wc
   77  man -k user
   78  man -k user | grep 8
   79  man ls
   80  pinfo 'coreutils'
   81  cd /usr/share/doc/
   82  ls
   83  countdown 12
   84  cd
   85  vim countdown
   86  sudo dnf search tools
   87  sudo dnf search tools | grep virt
   88  sudo dnf search tools | grep vm
   89  sudo dnf install open-vm-tools
   90  sudo reboot
   91  cat countdown
   92  history
[student@linfuncent ~]$ exit
logout
Connection to 192.168.4.42 closed.
student@student-virtual-machine:~/mydir$ history
    1  sudo apt install git vim bash-completion
    2  git clone https://github.com/sandervanvugt/microservices
    3  cd microservices/
    4  ./kube-setup.sh
    5  sudo reboot
    6  cd microservices/
    7  cat kube-setup.sh
    8  minikube start --memory 4096 --vm-driver=kvm2
    9  cd
   10  ls
   11  sudo apt install openssh-server
   12  sudo systemctl status sshd
   13  ufw --help
   14  ufw status
   15  sudo ufw status
   16  ip a
   17  sudo apt install nmap
   18  sudo nmap -sn 192.168.4.0/24
   19  sudo nmap 192.168.4.42
   20  pwd
   21  ls
   22  ls -a
   23  ls -lrt /etc
   24  ls /etc
   25  ls /etc/g*
   26  ls -d /etc/g*
   27  ls -ll
   28  man ls
   29  cd /etc
   30  ls *
   31  ls -d *
   32  ls -l1
   33  man ls
   34  ls -l1
   35  ls -l
   36  ls -1
   37  ls
   38  ls -1
   39  ls -d *
   40  ls -d g*
   41  ls -d g[rs]*
   42  ls -d g[rs]??*
   43  cd /
   44  ls
   45  ls -l
   46  cd /var
   47  ls
   48  cd log
   49  ls
   50  ls -l
   51  sudo less /var/log/syslog
   52  sudo tail /var/log/syslog
   53  cd /etc
   54  ls
   55  cd
   56  man hier
   57  cd /home
   58  ;s
   59  ls
   60  sudo useradd lisa
   61  ls
   62  cd
   63  cd /home
   64  ls
   65  sudo userdel lisa
   66  useradd --help
   67  sudo useradd -m lisa
   68  ls
   69  cd /tmp
   70  ls
   71  cd
   72  mkdir mydir /mydir
   73  ls
   74  cd mydir/
   75  cd ../microservices/
   76  ls
   77  cp kustomization.yaml ../../../tmp/
   78  cp kustomization.yaml /tmp/blah/
   79  cp kustomization.yaml /tmp/blah
   80  ls -l kustomization.yaml /tmp/blah
   81  echo hello >> kustomization.yaml
   82  diff kustomization.yaml /tmp/blah
   83  cd ../mydir/
   84  cp -R /etc/ .
   85  ls
   86  cp -R /etc .
   87  ls
   88  cp -R /etc/* .
   89  ls
   90  rm -rf *
   91  ls
   92  touch hello
   93  mv hello hellooooo
   94  ls
   95  mv hellooooo /tmp/
   96  history
   97  ssh student@192.168.4.41
   98  ssh student@192.168.4.42
   99  history