LinFun-Aug20-day1

[student@localhost /]$ history
    1  vim countdown
    2  chmod +x countdown
    3  ./countdown 12
    4  vim countdown
    5  ./countdown 12
    6  echo hello
    7  ls
    8  file countdown
    9  ./countdown 12
   10  sudo yum search gcc
   11  sudo ls -al /root/
   12  su
   13  sudo ls -al /root/
   14  id
   15  su
   16  id
   17  sudo ls -al /root/
   18  sudo less /var/log/messages
   19  env
   20  history
   21  ip a
   22  sudo nmtui
   23  ip a
   24  sudo systemctl status sshd
   25  sudo firewall-cmd --list-all
   26  ./countdown 12
   27  whoami
   28  whoami --help
   29  hostname --help
   30  hostname --help | less
   31  hostname
   32  hostname -i
   33  hostname -I
   34  date
   35  date --help | less
   36  date
   37  timedatectl --help
   38  timedatectl status
   39  timedatectl list-timezones
   40  timedatectl --help
   41  timedatectl set-timezone Europe/Amsterdam
   42  timedatectl status
   43  uname
   44  uname --help
   45  uname -a
   46  passwd
   47  sudo passwd
   48  pwd
   49  ls
   50  touch hello
   51  ls
   52  ls -l
   53  cd /
   54  touch hello
   55  cd /tmp
   56  touch hellooooo
   57  ls -l
   58  last
   59  cd
   60  less /etc/passwd
   61  history
   62  sudo ps aux
   63  sudo ps aux | less
   64  sudo ps aux | grep ssh
   65  history
   66  man last
   67  man lvcreate
   68  man man
   69  man useradd
   70  useradd bob
   71  sudo useradd bob
   72  man -k user
   73  man man
   74  man apropos
   75  man mandb
   76  sudo mandb
   77  man -k user
   78  man -k user | wc
   79  man -k user | grep 8
   80  man ls
   81  pinfo '(coreutils) ls invocation'
   82  ./countdown 12
   83  ls
   84  ls -a
   85  ls -al
   86  sudo ls -lrt /var/log/
   87  sudo ls -l /etc
   88  sudo ls -ld /etc
   89  ls -l /etc/a*
   90  ls -ld /etc/a*
   91  ls -ld /etc/a?*
   92  ls -ld /etc/a???*
   93  ls -ld /etc/a*
   94  ls -ld /etc/a[ln]*
   95  cd /
   96  ls
   97  cd mnt
   98  cd /
   99  cd /mnt
  100  cd usr
  101  ls
  102  cd /usr
  103  ls
  104  cd bin
  105  pwd
  106  cd ../share
  107  pwd
  108  cd
  109  mkdir files
  110  ls -l
  111  rmdir files
  112  clear
  113  cd /
  114  pwd
  115  cd -
  116  cd //
  117  pwd
  118  ls
  119  cd usr
  120  ls
  121  du -hs
  122  cd /
  123  ls
  124  cd etc
  125  ls
  126  cat shadow
  127  sudo cat shadow
  128  cd /var
  129  ls
  130  cd /
  131  ls
  132  man hier
  133  cd
  134  sudo ln /etc/hosts /tmp/myhosts
  135  ls -il /etc/hosts /tmp/myhosts
  136  sudo echo hello >> /etc/hosts
  137  sudo "echo hello >> /etc/hosts"
  138  sudo -i
  139  cd /
  140  ls
  141  ls -l
  142  history
[student@localhost /]$

[student@localhost /]$ sudo -i
[root@localhost ~]# history
    1  pwd
    2  whoami
    3  id student
    4  usermod -aG wheel student
    5  id student
    6  exit
    7  id student
    8  reboot
    9  echo hello >> /etc/hosts
   10  ls -li /etc/hosts /tmp/myhosts
   11  ln -s /tmp/myhosts mysymlink
   12  ls -li /etc/hosts /tmp/myhosts mysymlink
   13  cat mysymlink
   14  rm /tmp/myhosts
   15  cat mysymlink
   16  ls -l
   17  ln /etc/hosts /tmp/myhosts
   18  exit
   19  history