linuxplus jan23 day2

root@localhost ~]#
[root@localhost ~]# history
    1  echo can you read this
    2  history
    3  touch afile
    4  chattr +i afile
    5  rm -f afile
    6  whoami
    7  ls -l afile
    8  lsattr afile
    9  man chattr
   10  rm -f afile
   11  chattr -i afile
   12  rm -f afile
   13  useradd -m -s /bin/bash lisa
   14  grep lisa /etc/passwd
   15  ls -l /home
   16  cd /home/lida
   17  cd /home/lisa
   18  touch removeme
   19  su - lisa
   20  pwd
   21  touch changeme
   22  su - lisa
   23  ls -l /etc/shadow
   24  echo hello >> /etc/shadow
   25  tail -3 /etc/shadow
   26  vim /etc/shadow
   27  ls
   28  chattr +a changeme
   29  ls -k
   30  ls -l
   31  lsattr
   32  cde
   33  cd
   34  echo $EDITOR
   35  visudo
   36  useradd linda
   37  passwd linda
   38  vim /etc/sudoers.d/linda
   39  su - linda
   40  vim /etc/sudoers.d/linda
   41  su - linda
   42  cat /etc/sudoers.d/linda
   43  history | tail -20
   44  su - linda
   45  exit
   46  touch /root/helloroot
   47  exit
   48  ./countdown 12
   49  visudo
   50  vim /etc/sudoers.d/linda
   51  su - linda
   52  vim countdown
   53  chmod +x countdown
   54  ./countdown 12
   55  ip link show
   56  man ifconfig
   57  ip a
   58  ip addr add dev ens33 10.0.0.10/24
   59  ip addr show
   60  ifconfig
   61  ifconfig -a
   62  man hostname
   63  hostname -i
   64  hostname --all-ip-addresses
   65  ip a
   66  lshw
   67  lshw -class network
   68  ip a
   69  ip a | grep inet
   70  ip a | grep inet | awk '{ print $2 }'
   71  ip a | grep inet | grep -v inet6 | awk '{ print $2 }'
   72  ethtool -s ens33
   73  ethtool ens33
   74  vim staticroute.txt
   75  ip route show
   76  ip route add 192.2.0.0/24 via 192.168.29.3
   77  ip route show
   78  ping 192.2.0.1
   79  history
   80  vim /etc/resolv.conf
   81  ping nu.nl
   82  vim /etc/hosts
   83  ping nu.nl
   84  vim /etc/nsswitch.conf
   85  ping nu.nl
   86  podman run -d docker.io/library/nginx
   87  ip a
   88  podman ps
   89  podman inspect 0b0 | less
   90  ip routes
   91  ip route show
   92  brctl
   93  dnf provides */brctl
   94  ovsctl
   95  ovs-ctl
   96  ss
   97  ss -tu
   98  ss -tua
   99  ss -tln
  100  ss -tuan
  101  vim /etc/services
  102  ss -tulpn
  103  tcpdump -i ens33
  104  tcpdump -i ens33 -A
  105  tcpdump -i ens33 -A -w dump.pcap
  106  ls -l dump.pcap
  107  tcpdump -i ens33 port 22
  108  tcpdump -i ens33 src 192.168.29.2
  109  ip a
  110  ip link set ens33 down
  111  ip a
  112  ping nu.nl
  113  nmap localhost
  114  ip link set ens33 up
  115  dnf install nmap
  116  ip link set ens33 down
  117  nmap localhost
  118  nmap -O localhost
  119  uname -r
  120  nmap -sV localhost
  121  nmap -sS localhost
  122  ip link set ens33 up
  123  history
  124  lsmod
  125  modinfo fuse
  126  cd /boot
  127  ls -l
  128  udevadm monitor
  129  lsmod
  130  lsmod | vfat
  131  lsmod | grep vfat
  132  modprobe vfat
  133  lsmod | grep vfat
  134  modprobe -r vfat
  135  lsblk
  136  ls -l /dev/sd*
  137  cd /proc
  138  ls
  139  less devices
  140  lscpu
  141  ls -l /sys/bus/cpu/devices/
  142  ls -l /sys/bus/cpu/devices/cpu1
  143  ls -l /sys/bus/cpu/devices/cpu1/
  144  cat /sys/bus/cpu/devices/cpu1/online
  145  echo 0 > /sys/bus/cpu/devices/cpu1/online
  146  lscpu | less
  147  top
  148  echo 1 > /sys/bus/cpu/devices/cpu1/online
  149  top
  150  history
  151  lspci
  152  lspci -k
  153  lsdev
  154  dnf provides */lsdev
  155  lsub
  156  lsusb
  157  lsblk
  158  lscpu
  159  less /proc/cpuinfo
  160  lscpu\
  161  lscpu
  162  dmesg
  163  lsmod | grep cdrom
  164  lsblk
  165  modprobe -r cdrom
  166  mount
  167  modinfo cdrom
  168  modprobe cdrom debug=1
  169  cd
  170  vim /etc/modprobe.d/tuned.conf
  171  vim /etc/modprobe.d/firewalld-sysctls.conf
  172  vim /etc/modules-load.d/
  173  cd /etc/modprobe.d/
  174  vim cdrom
  175  cd /sys
  176  ls
  177  cd module/
  178  ls
  179  cd e1000/
  180  ls
  181  cd parameters/
  182  ls
  183  cat copybreak
  184  modinfo e1000
  185  pwd
  186  cd
  187  udevadm info --name=/dev/sda | less
  188  cd /usr/lib/udev/rules.d/
  189  ls
  190  ls | grep net
  191  vim 60-net.rules
  192  cd
  193  dnf install -y git
  194  git clone https://github.com/sandervanvugt/linuxplus
  195  cd linuxplus/
  196  ls
  197  cp 50-custom.rules /etc/udev/rules.d/
  198  cd /etc/udev/rules.d/
  199  vim 50-custom.rules
  200  mount | grep proc
  201  cd /proc
  202  ls
  203  mount | grep sys
  204  cd
  205  ./countdown 12
  206  lsblk
  207  poweroff
  208  lsblk
  209  xxd -l 512 /dev/sda | less
  210  fdisk /dev/sda
  211  mkfs.xfs -L three /dev/sda3
  212  blkid
  213  vim /etc/fstab
  214  mount -a
  215  mkdir /three
  216  findmnt --verify
  217  reboot
  218  lsblk
  219  findmnt
  220  mount
  221  fdisk /dev/sda
  222  mkfs.ext4 /dev/sda5
  223  mkfs.xfs /dev/sda6
  224  vim /etc/fstab
  225  mkdir /five /six
  226  mount-a
  227  mount -a
  228  lsblk
  229  touch /five/ext4file
  230  touch /six/xfsfile
  231  vim /etc/fstab
  232  fdisk /dev/sda
  233  reboot
  234  lsblk
  235  blkid
  236  blkid | grep sda5 | awk '{ print $2 }'
  237  blkid | grep sda5 | awk '{ print $2 }' >> /etc/fstab
  238  vim /etc/fstab
  239  exit
  240  lsblk
  241  parted /dev/sdb
  242  fdisk -l /dev/sdb
  243  history
  244  free -m
  245  less /proc/meminfo
  246  vim /etc/default/grub
  247  grub2-mkconfig -o /boot/grub2/grub.cfg
  248  reboot
  249  free -m
  250  grep ctive /proc/meminfo
  251  vmstat 2 20
  252  reboot
  253  fdisk /dev/sda
  254  mkswap /dev/sda6
  255  vim /etc/fstab
  256  free -m
  257  swapon -a
  258  free -m
  259  dd if=/dev/zero of=/swapfile bs=1M count=1024
  260  mkswap /swapfile
  261  chmod 600 /swapfile
  262  vim /etc/fstab
  263  free -m
  264  swapon -a
  265  vim /etc/fstab
  266  swapon -a
  267  free -m
  268  fdisk /dev/sda
  269  lsblk
  270  blkid
  271  mount UUID="72b0bec0-58e1-4990-b301-e5ff7efb2873" /mnt
  272  cd /mnt
  273  ls
  274  fdisk /dev/sda
  275  pvcreate /dev/sda8
  276  vgcreate vgdata /dev/sda8
  277  vgs
  278  lvcreate -L 1G -n lvdata vgdata
  279  lvs
  280  vgs
  281  mkfs.ext4 /dev/vgdata/lvdata
  282  mkdir /data
  283  vim /etc/fstab
  284  mkdir /data
  285  ls /data
  286  mount -a
  287  mount
  288  ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  289  df -h
  290  dd if=/dev/zero of=/data/bigfile bs=1M
  291  df -h
  292  lvextend /dev/vgdata/lvdata -r -L +1G
  293  df -h
  294  history
  295  poweroff
  296  systemctl set-default multi-user.target
  297  systemctl set-default graphical.target
  298  lsblk
  299  xxd -l 512 /dev/sda
  300  dd if=/dev/sda of=/boot/sda-backup bs=512 count=1
  301  dd if=/dev/zero of=/sda bs=1 count=446
  302  dd if=/dev/zero of=/dev/sda bs=1 count=446
  303  xxd -l 512 /dev/sda
  304  reboot
  305  ./countdown 12
  306  getenforce
  307  setenforce permissive
  308  getenforce
  309  setenforce disabled
  310  dnf install httpd
  311  systemctl enable --now httpd
  312  ps Zaux | grep httpd
  313  ls -Z /var/www/
  314  history
  315  vim /etc/ssh/sshd_config
  316  ps Zaux | grep ssh
  317  ss tunpZ
  318  netstat -Ztulpen
  319  systemctl restart sshd
  320  getenforce
  321  setenforce enforcing
  322  systemctl restart sshd
  323  vim /etc/ssh/sshd_config
  324  semanage port -a -t ssh_port_t -p tcp 2022
  325  systemctl restart sshd
  326  netstat -Ztulpne | grep 2022
  327  history
  328  mkdir /web
  329  vim /web/index.html
  330  ls -Zd /web
  331  ps Zaux | grep http
  332  vim /etc/httpd/conf/httpd.conf
  333  systemctl restart httpd
  334  curl localhost
  335  setenforce permissive
  336  curl localhost
  337  setenforce enforce
  338  setenforce enforcing
  339  grep AVC /var/log/audit/audit.log
  340  ls -Z /var/www
  341  man semanage-fcontext
  342  # semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  343         # restorecon -R -v /web
  344  semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  345  restorecon -R -v /web
  346  getenforce
  347  curl localhost
  348  history
  349  ./countdown 1
  350  man -k _selinux
  351  dnf install -y selinux-policy-doc
  352  mandb
  353  man -k _selinux
  354  man -k _selinux | wc
  355  man httpd_selinux
  356  journalctl | grep sealert
  357  sealert -l fe96e344-09b6-4d9d-bba5-dbe7df5d48ca | less
  358  getsebool -a | grep ftp
  359  setsebool -P ftpd_anon_write on
  360  ./countdown 12
  361  ldd $(which login)
  362  ldd $(which passwd)
  363  cd /etc/pam.d
  364  ls
  365  vim login
  366  find / -name "pam_nologin.so"
  367  cd /usr/lib64/security/
  368  ls
  369  man pam_securetty
  370  cd /etc/pam.d/
  371  vim login
  372  chvt 3
  373  vim login
  374  vim /etc/securetty
  375  chvt 5
  376  w
  377  loginctl list-sessions
  378  loginctl terminate-session 9
  379  loginctl terminate-session 8
  380  loginctl terminate-session 4
  381  w
  382  vim system-auth
  383  cd
  384  ./countdown 1
  385  man ls
  386  podman run -d --name test1 docker.io/library/nginx
  387  podman run -it docker.io/sandervanvugt/gitops
  388  podman ps
  389  podman ps -a
  390  podman image
  391  podman images
  392  history