LFCS day2 dec22

[root@localhost ~]# history
    1  w
    2  chvt 2
    3  exit
    4  chvt 3
    5  chvt 2
    6  ./countdown 16
    7  ./countdown 20
    8  groupadd sales
    9  id anna
   10  usermod -aG account anna
   11  useradd -G account anouk
   12  id lisa
   13  id linda
   14  rm -rf /data/sakes
   15  rm -rf /data/sales
   16  mkdir /data/sales
   17  chgrp sales /data/sales
   18  chmod 1770 /data/sales
   19  ls -ld /data/sales
   20  setfacl -R -m g:account:rX /data/sales
   21  history
   22  find / -name "hosts"
   23  find / -name "*hosts*"
   24  useradd -m -s /bin/bash linda
   25  su - linda
   26  find / -user linda
   27  mkdir /root/linda; find / -user linda -exec cp {} /root/linda/ \;
   28  find / -user linda
   29  history
   30  man touch
   31  find / -user linda -exec cp {} /root/linda/ \; | mkdir /root/linda
   32  find / -perm /4000
   33  ls -l /usr/bin/passwd
   34  ls -l /etc/shadow
   35  vim lab1.txt
   36  find / -type f -size +100M
   37  mkdir -p find/contents; find /etc -exec grep -l student {} \; -exec cp {} find/contents/ \; 2>/dev/null
   38  ls find/contents/
   39  find /etc/ -name '*' -type f | xargs grep '127.0.0.1'
   40  man find
   41  vim countdown
   42  chmod +x countdown
   43  ./countdown
   44  cat lab1.txt
   45  find / -perm /4000 2>/dev/null >/tmp/suid-files.txt
   46  mv /tmp/suid-files.txt /tmp/suid-files1.txt
   47  touch newfile
   48  chmod u+s newfile
   49  ls -l newfile
   50  find / -perm /4000 2>/dev/null >/tmp/suid-files2.txt
   51  diff /tmp/suid-files[12].txt
   52  diff /tmp/suid-files[12].txt > /tmp/suid-files.txt
   53  history
   54  sed -n 5p /etc/passwd
   55  echo hello > hellofile
   56  sed -i 's/hello/goedemiddag/g' hellofile
   57  cat hellofile
   58  vim hello2
   59  sed -i 's/hello/goedemiddag/' hello2
   60  cat hello2
   61  sed -i 's/hello/goedemiddag/g' hello2
   62  cat hello2
   63  sed -i -e '2d' hello2
   64  cat hello2
   65  diff /tmp/suid-files[12].txt
   66  cat /tmp/suid-files2.txt
   67  vim /tmp/suid-files1.txt
   68  diff /tmp/suid-files[12].txt
   69  diff -u /tmp/suid-files[12].txt
   70  dnf search diff
   71  sdiff /tmp/suid-files[12].txt
   72  awk -F : '{ print $4 }' /etc/passwd
   73  cut -d : -f 4 /etc/passwd
   74  awk -F : '/linda/ { print $4 }' /etc/passwd
   75  less /etc/passwd
   76  grep root /etc/shadow
   77  grep root /etc/passwd
   78  man 5 shadow
   79  grep root /etc/group
   80  grep wheel /etc/group
   81  useradd --help | less
   82  groupadd groupone
   83  groupadd grouptwo
   84  groupadd groupthree
   85  useradd -G grouptwo anna
   86  id anna
   87  usermod -G groupone anna
   88  id anna
   89  usermod -aG grouptwo anna
   90  id anna
   91  vim /etc/login.defs
   92  cd /etc/skel/
   93  ls
   94  ls -a
   95  touch hello
   96  ls -l
   97  useradd bob
   98  ls -la /home/bob
   99  rm hello
  100  cd
  101  cd /etc/pam.d/
  102  ls
  103  vim login
  104  vim system-auth
  105  vim /etc/securetty
  106  chvt 4
  107  cd /usr/lib64/security/
  108  ls
  109  man pam_securetty
  110  cd /etc/pam.d/
  111  vim login
  112  chvt 4
  113  cd
  114  ./countdown 15
  115  useradd -m -s /usr/bin/passwd -G wheel anna
  116  useradd -m -s /usr/bin/passwd -G wheel ana
  117  chage ana
  118  grep ana /etc/shadow
  119  cd /home/linda
  120  touch rootfile
  121  su - linda
  122  mkdir /data/sales
  123  mkdir -p /data/sales
  124  cd /data
  125  groupadd sales
  126  groupadd account
  127  ls -l
  128  chown :sales sales
  129  ls -l
  130  chmod 770 sales
  131  ls -l
  132  usermod -aG sales linda
  133  id linda
  134  useradd -G sales lisa
  135  id lisa
  136  su - lisa
  137  su - linda
  138  chmod g+s sales
  139  ls -l
  140  su - lisa
  141  su - linda
  142  chmod +t sales/
  143  ls -ld sales/
  144  su - linda
  145  chown linda sales
  146  ls -l
  147  su - linda
  148  history
  149  pwd
  150  cd
  151  cd /home/linda
  152  vim playme
  153  lsblk
  154  chmod +x playme
  155  su - linda
  156  chmod u+s playme
  157  ls -l playme
  158  history
  159  ls -ld /tmp
  160  cd /data/sales
  161  ls -l
  162  getfacl lisa2
  163  setfacl -R -m g:account:rX /data/sales
  164  ls -l
  165  getfacl lisa2
  166  touch newroot1
  167  getfacl newroot1
  168  setfacl -m d:g:account:rx /data/sales
  169  touch newroot2
  170  getfacl newroot2
  171  history
  172  echo the /etc/hosts file should be writeable by user anna without making any modifications to the basic permissions
  173  setfacl -m u:anna:rw /etc/hosts
  174  getfacl /etc/hosts
  175  cd
  176  pwd
  177  ls
  178  chattr +i newfile
  179  rm -f newfile
  180  whoami
  181  ls -l
  182  lsattr
  183  chattr -i newfile
  184  lsattr
  185  man chattr
  186  vim lab2.txt
  187  cat lab2.txt
  188  cd /data/sales
  189  touch salesfile{1..9}
  190  ls -l
  191  getfacl salesfile9
  192  dnf install seinfo
  193  dnf provides seinfo
  194  dnf install setools-console
  195  dnf install ansible-core
  196  ls -l $(which dnf) $(which yum)
  197  cd
  198  lsblk
  199  mount /dev/sr0 /mnt
  200  poweroff
  201  lsblk
  202  echo $(( 26 * 26 ))
  203  fdisk /dev/sda
  204  lsblk
  205  mkfs.ext4 /dev/sda5
  206  vim /etc/fstab
  207  mount -a
  208  mkdir /ext4
  209  mount -a
  210  poweroff
  211  ./countdown 12
  212  fdisk /dev/sda
  213  vim /etc/fstab
  214  reboot
  215  fdisk -l /dev/sda
  216  fdisk /dev/sda
  217  lsblk
  218  fdisk /dev/sdb
  219  mkfs.ext4 /dev/sdb4
  220  mount /dev/sdb4 /mnt
  221  lsblk
  222  fdisk /dev/sdb
  223  reboot
  224  mount /dev/sda4 /mnt
  225  lsblk
  226  df -h
  227  resize2fs /dev/sda4
  228  df -h
  229  vim /etc/fstab
  230  vim /etc/default/grub
  231  grub2-mkconfig -o /boot/grub2/grub.cfg
  232  reboot
  233  mount
  234  mount | grep rw
  235  mount | grep root
  236  mount -o remount,rw /
  237  vim /etc/fstab
  238  exit
  239  lsblk
  240  cat /etc/fstab
  241  blkid
  242  vim /etc/fstab
  243  tune2fs -L myfiles /dev/sda4
  244  blkid
  245  xfs_admin -L mywortel /dev/mapper/cs-root
  246  xfs_admin -L bootfs /dev/sda1
  247  umount /dev/sda1
  248  xfs_admin -L bootfs /dev/sda1
  249  vim /etc/fstab
  250  reboot
  251  blkid
  252  xfs_admin -L bootfs /dev/sda1
  253  blkid
  254  sync
  255  reboot
  256  history
  257  free -m
  258  reboot
  259  free -m
  260  less /proc/meminfo
  261  vmstat 2 25
  262  reboot
  263  fdisk /dev/sdb
  264  mkswap /dev/sdb1
  265  free -m
  266  swapon /dev/sdb1
  267  free -m
  268  dd if=/dev/zero of=/swapfile bs=1M count=1024
  269  mkswap /swapfile
  270  swapon /swapfile
  271  free -m
  272  chmod 0600 /swapfile
  273  vim /etc/fstab
  274  reboot
  275  ./countdown 20
  276  cat whatdoweneedtodo.txt
  277  exit
  278  ./countdown 20
  279  free -m
  280  sysctl -a
  281  cd /proc/sys
  282  ls
  283  cd vm
  284  ls
  285  echo 30 > swappiness
  286  vim /etc/sysctl.conf
  287  sysctl -a | grep vm.swapp
  288  cd
  289  vim whatdoweneedtodo.txt
  290  cat whatdoweneedtodo.txt
  291  fdisk /dev/sdb
  292  pvcreate /dev/sdb2
  293  pvs
  294  vgcreate vgdata /dev/sdb2
  295  vgs
  296  lvcreate -n lvdata -L 1G /dev/vgdata
  297  lvcreate -n lvdata -l 255 /dev/vgdata
  298  ./countdown 20
  299  history
  300  fdisk -l /dev/sdb
  301  pvs
  302  pvcreate /dev/sdb3
  303  vgcreate --help
  304  vgcreate -s 8M vgcattle /dev/sdb3
  305  vgdisplay vgcattle
  306  lvcreate -n lvgoat -l 50%FREE vgcattle
  307  lvs
  308  mkfs.xfs /dev/vgcattle/lvgoat
  309  ls -l /dev/vgcattle/lvgoat /dev/mapper/vgcattle-lvgoat
  310  mkdir /goat
  311  vim /etc/fstab
  312  mount -a
  313  fdisk /dev/sdb
  314  vgs
  315  vgextend vgdata /dev/sdb4
  316  vgs
  317  lvextend -r -l +50%FREE /dev/vgdata/lvdata
  318  mkfs.ext4 /dev/mapper/vgdata-lvdata
  319  lvs
  320  df -h
  321  mount /dev/vgdata/lvdata /mnt
  322  df -h
  323  lvextend -r -l +50%FREE /dev/vgdata/lvdata
  324  df -h
  325  history
  326  lsblk
  327  poweroff
  328  ls -l /dev/mapper/
  329  vim /etc/fstab
  330  blkid
  331  lsblk
  332  blkid
  333  vim /etc/fstab
  334  swapon -s
  335  swapon -a
  336  swapon -s
  337  man mdadm
  338  mdadm --create /dev/md0 --level 5 --raid-devices 3 /dev/sd{b,d,e}
  339  cat /proc/mdstat
  340  mdadm --details /dev/md0
  341  mdadm --detail /dev/md0
  342  mdadm --detail --scan --verbose >> /etc/mdadm.conf
  343  mkfs.ext4 -L data /dev/md0
  344  mkdir /raid
  345  vim /etc/fstab
  346  mount -a
  347  reboot
  348  mount
  349  cat /proc/mdstat
  350  mdadm --detail /dev/md127
  351  xxd /dev/sdc | less
  352  xxd /dev/sda | less
  353  vim /etc/fstab
  354  history
  355  ssh sander@192.168.52.170
  356  ssh -p 2022 sander@192.168.52.170
  357  systemctl list-units
  358  systemctl status sshd
  359  dnf install -y vsftpd
  360  systemctl status vsftpd
  361  systemctl enable vsftpd
  362  systemctl get-default
  363  systemctl status vsftpd
  364  systemctl start vsftpd
  365  systemctl status vsftpd
  366  systemctl cat sshd
  367  ps aux | grep sshd
  368  kill -9 1146
  369  systemctl status sshd
  370  history
  371  systemctl -t help
  372  systemctl list-units -t mount
  373  cat /etc/fstab
  374  cd /run/systemd/generator/
  375  ls
  376  vim goat.mount
  377  cat raid.mount
  378  ls /usr/lib/systemd/system/
  379  ls /etc/systemd/system
  380  cd /etc/systemd/system/
  381  vim raid.mount
  382  systemctl cat sshd.service
  383  vim raid.mount
  384  vim /etc/fstab
  385  systemctl daemon-reload
  386  systemctl list-units -t mount
  387  systemctl enable raid.mount
  388  reboot
  389  systemctl status raid.mount
  390  systemctl cat sshd.service
  391  systemctl edit vsftpd.service
  392  export EDITOR=/usr/bin/vim
  393  systemctl edit vsftpd.service
  394  systemctl cat vsftpd.service
  395  systemctl restart vsftpd.service
  396  dnf install httpd
  397  systemctl disable --now vsftpd
  398  systemctl edit httpd.service
  399  systemctl daemon-reload
  400  systemctl start httpd
  401  ps aux | grep httpd
  402  ps aux | grep vsftpt
  403  systemctl status httpd
  404  systemctl status vsftpd
  405  systemctl stop httpd
  406  systemctl stop vsftpd
  407  systemctl status vsftpd
  408  systemctl start httpd
  409  systemctl status vsftpd
  410  systemctl cat httpd
  411  ./countdown 20
  412  history
  413  systemctl list-units -t trget
  414  systemctl list-units -t target
  415  systemctl list-dependencies graphical.target
  416  systemctl get-default
  417  systemctl set-default graphical.target
  418  systemctl status crond
  419  ls /etc/cron*/*
  420  cat /etc/crontab
  421  crontab -e
  422  systemctl list-units -t timer
  423  systemctl cat logrotate.timer
  424  systemctl cat logrotate.service
  425  journalctl | grep logger
  426  systemctl list-units -t socket
  427  systemctl cat cups.socket
  428  systemctl list-unit-files -t socket
  429  systemctl cat sshd.socket
  430  systemctl disable --now sshd.service
  431  systemctl enable --now sshd.socket
  432  systemctl status sshd.service
  433  ssh localhost
  434  systemctl status sshd.service
  435  ssh student@localhost
  436  systemctl list-unit-files -t path
  437  vim lab10.sh
  438  chmod +x lab10.sh
  439  nice 10 lab10.sh
  440  nice -10 lab10.sh
  441  nice -10 ./lab10.sh
  442  man nice
  443  nice -n 10 ./lab10.sh
  444  vim countdown
  445  grep -e vmx -e svm /proc/cpuinfo
  446  ssh sander@192.168.52.170
  447  ssh sander@192.168.52.170 -p 2022
  448  poweroff
  449  dnf install libvirt virt-manager
  450  systemctl status libvirt
  451  systemctl status libvirtd
  452  grep vmx /proc/cpuinfo
  453  lsblk
  454  virt-manager
  455  systemctl start libvirtd
  456  virt-manager
  457  lsmod | grep kvm
  458  ./countdown 12
  459  podman run -d nginx --name=myweb
  460  podman images
  461  podman ps
  462  podman ps -a
  463  podman logs gallant_mahavira
  464  podman run -d --name=myweb nginx
  465  podman ps
  466  podman run busybox
  467  podman images
  468  podman ps -a
  469  podman run -it busybox sh
  470  podman ps
  471  podman exec -it myweb sh
  472  podman inspect myweb | less
  473  podman images
  474  podman inspect 3964
  475  podman inspect 3964 | less
  476  podman stop myweb
  477  podman rm myweb
  478  podman images
  479  podman rmi nginx
  480  podman ps -a
  481  podman rm gallant_mahavira
  482  podman rmi nginx
  483  mkdir files
  484  podman run -v /root/files:/files:Z -it busybox sh
  485  ls -l files/
  486  podman ps
  487  podman ps -a
  488  podman rm gallant_mahavira
  489  ls -l files/
  490  podman run -p 8080:80 -d nginx
  491  podman ps
  492  curl localhost:8080
  493  podman run --name=mydb mariadb
  494  podman rm mydb
  495  podman run --env MARIABD_ROOT_PASSWORD=password -d --name mydb mariadb
  496  podman ps
  497  podman ps -a
  498  podman logs 0c2
  499  podman rm 0c2
  500  podman run --env MARIADB_ROOT_PASSWORD=password -d --name mydb mariadb
  501  podman ps
  502  history