LFCS sep20 day1

    1  cd /home/linda/
    2  rm -f rootfile2
    3  man chattr
    4  chattr -i rootfile2
    5  exit
    6  mount
    7  mount | grep '^/'
    8  swapon -s
    9  yum install -y git
   10  git clone https://github.com/sandervanvugt/lfcs
   11  cd lfcs
   12  ls
   13  ./countdown 12
   14  ps aux | grep fire
   15  ps aux | grep defunct
   16  history
   17  find / -name "hosts"
   18  find / -name "hosts" 2>/dev/null
   19  find / -name "*hosts*" 2>/dev/null
   20  useradd linda
   21  find / -user linda
   22  mkdir linda
   23  find / -user linda -exec cp {} /root/linda\;
   24  find / -user linda -exec cp {} /root/linda \;
   25  who
   26  ls
   27  who; ls
   28  ls
   29  ls -a linda/
   30  su - linda
   31  find / -user linda -exec cp {} /root/linda \;
   32  ls -a linda/
   33  find / -user linda -exec cp -R {} /root/linda \;
   34  ls -a linda/
   35  ls -ld linda/
   36  find / -user linda -exec cp -R {} /root/linda/ \;
   37  pwd
   38  cd ..
   39  ls
   40  cat linda
   41  rm linda
   42  mkdir linda
   43  find / -user linda -exec cp -R {} /root/linda/ \;
   44  ls linda/
   45  history
   46  find / -perm /4000
   47  find / -type f -size +100M
   48  mkdir -p find/contents && find /etc -exec grep -l student {} \; -exec cp {} find/contents/ \; 2>/dev/null
   49  find /etc/ -name '*' -type f | xargs grep "127.0.0.1"
   50  sed -n 50 /etc/passwd
   51  sed -n 5p /etc/passwd
   52  vim myfiles
   53  sed -i 's/one/ONE/g' ~/myfiles
   54  cat myfiles
   55  ip a
   56  sed -i -e '2d' myfiles
   57  cat myfiles
   58  awk -F : '{ print $4 }' /etc/passwd
   59  cut -d : -f 4 /etc/passwd
   60  awk -F : '/linda/ { print $4 }' /etc/passwd
   61  history
   62  man mktemp
   63  cd `mktemp -d` && touch 'a b c' '1' '2' && find . -type f | xargs grep
   64  cd `mktemp -d` && touch 'a b c' '1' '2' && find . -type f | xargs grep .
   65  ls
   66  pwd
   67  cd ..
   68  cd `mktemp -d` && touch 'a b c' '1' '2'  && find . -type f -exec grep {} \;
   69  cd `mktemp -d` && touch 'a b c' '1' '2'  && find . -type f -exec grep {} . \;
   70  history
   71  cd `mktemp -d` && touch 'a b c' '1' '2'  && find . -type f -exec grep '.' {} \;
   72  cd `mktemp -d` && touch 'a b c' '1' '2' && find . -type f | xargs grep '.'
   73  cd
   74  cd lfcs/
   75  echo $PATH
   76  ln countdown /usr/local/sbin/countdown
   77  ln countdown /usr/local/bin/countdown
   78  ls -l countdown
   79  history
   80  cd /lib
   81  ls
   82  cd modules
   83  ls
   84  uname -r
   85  cd `uname -r`
   86  cd ..
   87  cd $(uname -r)
   88  countdown 12
   89  cd
   90  vipw
   91  tail /etc/shadow
   92  vim /etc/login.defs
   93  cd /etc/skel/
   94  ls -a
   95  id student
   96  visudo
   97  cd ..
   98  ls -l /etc/passwd /etc/shadow
   99  grep linda /etc/shadow
  100  useradd --help | less
  101  useradd -s /usr/bin/passwd -G wheel anna
  102  grep anna /etc/passwd
  103  grep anna /etc/shadow
  104  passwd --help | less
  105  passwd -x 90 anna
  106  grep anna /etc/shadow
  107  chage anna
  108  ls -l
  109  cd /home/linda
  110  echo password | passwd --stdout
  111  echo password | passwd --stdin
  112  echo password | passwd --stdin linda
  113  history -d 108
  114  history
  115  touch rootfile1
  116  touch rootfile2
  117  chattr +i rootfile2
  118  su - linda
  119  groupadd sales
  120  groupadd account
  121  useradd anna -G account
  122  usermod anna -aG account
  123  useradd anouk -G account
  124  useradd linda -G sales
  125  usermod -aG sales linda
  126  useradd -G sales lisa
  127  id anna
  128  cd
  129  mkdir /data/sales
  130  mkdir -p /data/sales
  131  mkdir -p /data/account
  132  cd /data
  133  ls -l
  134  chgrp sales sales
  135  chgrp account account
  136  ls -l
  137  chmod 770 *
  138  ls -l
  139  su - linda
  140  su - lisa
  141  chmod g+s *
  142  ls -l
  143  su - linda
  144  su - lisa
  145  chmod +t *
  146  ls -l
  147  su - lisa
  148  chown lisa sales
  149  ls -l
  150  su - lisa
  151  poweroff
  152  lsblk
  153  file --helo
  154  lsblk
  155  gdisk /dev/sda
  156  ssh 192.168.4.162
  157  gdisk /dev/sda
  158  gdisk -l /dev/sda
  159  lsblk
  160  cat /proc/partitions
  161  partprobe
  162  cat /proc/partitions
  163  mkfs.xfs /dev/sda7
  164  mkdir /filesystem
  165  vim /etc/fstab
  166  mount -a
  167  mount
  168  xxd /dev/sda | less
  169  mount
  170  mount | grep '^/'
  171  fdisk /dev/sda
  172  cd /usr/lib/systemd/system
  173  ls
  174  ls tmp*
  175  vim /etc/fstab
  176  cd /run/systemd/generator/
  177  ls
  178  vim var-log.mount
  179  vim /etc/fstab
  180  cp boot.mount /etc/systemd/system/filesystem.mount
  181  vim /etc/systemd/system/filesystem.mount
  182  systemctl daemon-reload
  183  systemctl enable --now filesystem.mount
  184  systemctl status multi-user.target
  185  mount |grep files
  186  cd /usr/lib/systemd/system
  187  vim tmp.mount
  188  mount | grep tmp
  189  ls /tmp
  190  systemctl enable tmp.mount
  191  reboot
  192  fdisk /dev/sdb
  193  mkfs.ext4 /dev/sdb5
  194  mkfs.xfs /dev/sdb6
  195  vim /etc/fstab
  196  mkdir /bigfiles
  197  mount -a
  198  mount
  199  fdisk /dev/sdb
  200  mount /dev/sdb5 /mnt
  201  cd /mnt
  202  touch hello
  203  touch dbs5
  204  touch sdb5
  205  ls
  206  exit
  207  fdisk /dev/sdb
  208  reboot
  209  journalctl -xb
  210  vim /etc/fstab
  211  fdisk -l /dev/sdb
  212  xfs_admin -L cow /dev/sdb5
  213  vim /etc/fstab
  214  reboot
  215  mount | grep '^/'
  216  blkid
  217  cat /etc/fstab
  218  fdisk /dev/sdb
  219  mount /dev/sdb6 /mnt
  220  cd /mnt
  221  ls
  222  tune2fs -L goat /dev/sdb6
  223  vim /etc/fstab
  224  mkdir /cheese
  225  fdisk /dev/sdb
  226  reboot
  227  free -m
  228  less /proc/meminfo
  229  gdisk /dev/sda
  230  partprobe
  231  reboot
  232  gdisk -l /dev/sda
  233  mkswap /dev/sda8
  234  free -m
  235  swapon /dev/sda8
  236  free -m
  237  vim /etc/fstab
  238  history