RHCSA day3 may21

[root@rhcsa ~]# history
    1  chmod -x countdown
    2  ls -l countdown
    3  ./countdown
    4  chmod +x countdown
    5  ./countdown 0
    6  mkdir /data/sales
    7  mkdir -p /data/sales
    8  mkdir -p /data/account
    9  cd /data
   10  ls -l
   11  groupadd sales
   12  groupadd account
   13  usermod -aG sales linda
   14  usermod -aG sales lisa
   15  id linda
   16  id lisa
   17  useradd --help
   18  useradd -G account anna
   19  useradd -G account anouk
   20  id anna
   21  passwd lisa
   22  history
   23  history -d 97
   24  history -d 96
   25  history -d 95
   26  echo password | passwd --stdin anna
   27  ls -l
   28  chgrp account account
   29  ls -l
   30  chgrp sales sales
   31  ls
   32  for i in *; do echo $i; done
   33  for i in *; do chgrp $i $i; done
   34  ls -l
   35  chmod 770 *
   36  ls -l
   37  su - linda
   38  su - lisa
   39  cd /home/linda
   40  vim playme
   41  chmod +x playme
   42  su - linda
   43  chmod u+s playme
   44  ls -l
   45  su - linda
   46  find / -perm /4000 2>/dev/null
   47  ls -l /usr/bin/passwd
   48  ls -l /etc/shadow
   49  cat /etc/shadow
   50  ls -l /etc/shadow
   51  cd /data/sales
   52  ls -l
   53  chmod g+s .
   54  ls -ld .
   55  su - linda
   56  su - lisa
   57  chmod +t .
   58  ls -ld .
   59  su - lisa
   60  /root/countdown 12
   61  ls -ld .
   62  cd ..
   63  chmod 3770 *
   64  ls -k
   65  ls -l
   66  chmod o+x *
   67  ls -l
   68  chmod o-x *
   69  ls -l
   70  ls -lr *
   71  setfacl -R -m g:account:rx sales
   72  cd sales
   73  ls -l
   74  man setfacl
   75  setfacl -R -x g:account sales
   76  cd ..
   77  setfacl -R -x g:account sales
   78  ls -l sales
   79  setfacl -R -m g:account:rX sales
   80  ls -l sales/
   81  ls -l sales
   82  ls -ld sales
   83  getfacl sales
   84  setfacl -m d:g:account:rx sales
   85  getfacl sales
   86  su - linda
   87  lsblk
   88  fdisk /dev/sda
   89  lsblk
   90  mkfs.xfs /dev/sda3
   91  mount /dev/sda3 /mnt
   92  history
   93  vim /etc/login.defs
   94  groupadd --help | less
   95  groupadd students
   96  groupadd profs
   97  usermod -aG students anna
   98  usermod -aG students anouk
   99  id anna
  100  usermod -aG profs,account anna
  101  usermod -aG profs,account anouk
  102  usermod -G profs,account anouk
  103  usermod -G profs,account anna
  104  id anna
  105  usermod -aG students linda
  106  usermod -aG students lisa
  107  mkdir -p /data/profs /data/students
  108  cd /data
  109  ls -l
  110  chown anna:profs profs
  111  chown anna:students students
  112  ls -l
  113  chmod 3770 *
  114  ls -l
  115  setfacl -m d:g:profs:rx /data/students
  116  su - linda
  117  su - anouk
  118  getfacl /data/students
  119  setfacl -m d:g:profs:rX /data/students/
  120  su - anouke
  121  su - anouk
  122  ls -l
  123  rm -rf students
  124  mkdir students
  125  chmod 3770 students
  126  chown anna:students
  127  chown anna:students students
  128  ls -l
  129  setfacl -R -m g:profs:rX students
  130  setfacl -m d:g:profs:rx students
  131  getfacl students
  132  id anouk
  133  su - anouk
  134  ls l
  135  ls -l
  136  cd
  137  lsblk
  138  fdisk /dev/sda
  139  lsblk
  140  reboot
  141  lsblk
  142  mkfs.xfs /dev/sda5
  143  mkdir /files
  144  mount /dev/sda5 /files
  145  mount
  146  umount /files
  147  vim /etc/fstab
  148  mount -a
  149  mount
  150  df -h
  151  mkfs.ext4 /dev/sda6
  152  mkdir /ext4
  153  vim /etc/fstab
  154  mount -a
  155  df -h
  156  vim /etc/fstab
  157  umount /files
  158  fdisk /dev/sda
  159  reboot
  160  blkid
  161  blkid | grep sda5
  162  blkid | grep sda5 | awk '{ print $2 }'
  163  blkid | grep sda5 | awk '{ print $2 }' >> /etc/fstab
  164  vim /etc/fstab
  165  reboot
  166  ./countdown 12
  167  fdisk -l /dev/sda
  168  vim /etc/fstab
  169  fstab /dev/sda
  170  fdisk /dev/sda
  171  lsblk
  172  mount /dev/sda6 /mnt
  173  df -h
  174  xfs_admin --help
  175  xfs_admin -L goat /dev/sda6
  176  umount /dev/sda6
  177  xfs_admin -L goat /dev/sda6
  178  vim /etc/fstab
  179  tune2fs /dev/sda5 -L cow
  180  vim /etc/fstab
  181  fdisk /dev/sda
  182  reboot
  183  blkid
  184  cat /proc/partitions
  185  lsblk
  186  vim /etc/fstab
  187  cd /etc/yum.repos.d/
  188  ls
  189  rm -f *
  190  ls
  191  yum repolist
  192  yum install nmap
  193  cd
  194  dd if=/dev/sr0 of=/rhel8.iso bs=1M
  195  ls -l /rhel8.iso
  196  df -h
  197  mkdir /repo
  198  vim /etc/fstab
  199  mount -a
  200  ls /repo
  201  yum repolist
  202  ./countdown 12
  203  cd /etc/yum.repos.d/
  204  ls
  205  cd /repo/
  206  ls
  207  cd BaseOS/
  208  ls
  209  ls Packages/
  210  ls repodata/
  211  cd /etc/yum.repos.d/
  212  vim base.repo
  213  yum repolist
  214  vim appstream.repo
  215  yum repolist
  216  yum search nmap
  217  yum search nano
  218  vim base.repo
  219  which yum
  220  ls -l /bin/yum
  221  yum provides */passwd
  222  seinfo
  223  grep iso /etc/fstab
  224  cd /repo
  225  ls
  226  vim /etc/yum.repos.d/base.repo
  227  cd
  228  yum modules list
  229  yum module list
  230  yum module provides httpd
  231  yum module info postgresql
  232  yum module info --profile postgresql
  233  yum module list postgresql
  234  yum module list httpd
  235  yum module install postgresql:9.6/devel
  236  yum module install postgresql:9.6/server
  237  yum install httpd
  238  yum module info --profile php
  239  yum modules install php:7.2/devel
  240  yum module install php:7.2/devel
  241  yum module reset php
  242  yum module install --allowerasing php:7.3
  243  systemctl status NetworkManager
  244  cd /etc/sysconfig/network-scripts/
  245  ls
  246  vim ifcfg-ens160
  247  nmtui
  248  ip a
  249  ip a a dev ens160 10.0.0.10/24
  250  ip a
  251  ifconfig
  252  man ifconfig
  253  rpm -qf $(which ifconfig)
  254  yum delete net-tool
  255  rpm -ql net-tools
  256  yum remove net-tools
  257  cd
  258  ./countdown 12
  259  systemctl status tuned
  260  tuned-adm --help
  261  tuned-adm list
  262  tuned-adm profile desktop
  263  tuned-adm list
  264  fdisk /dev/sda
  265  cat /proc/partitions
  266  pvcreate /dev/sda7
  267  pvs
  268  xxd /dev/sda7 | less
  269  vgcreate --help | less
  270  vcreate -s 8M vgdata /dev/sda7
  271  vgcreate -s 8M vgdata /dev/sda7
  272  vgs
  273  pvs
  274  vgdisplay
  275  man lvcreate
  276  lvcreate -L 1G -n lvdata vgdata
  277  echo $(( 128 * 8 ))
  278  echo $(( 1016 / 8 ))
  279  lvcreate -l 127 -n lvdata vgdata
  280  lvs
  281  mkfs.xfs /dev/vgdata/lvdata
  282  mount /dev/vgdata/lvdata /mnt
  283  mount
  284  ls -l /dev/vgdata/lvdata /dev/mapper/vgdata-lvdata
  285  xxd /dev/sda7 | less
  286  vim /etc/fstab
  287  mount -a
  288  mkdir /lvdata
  289  mount -a
  290  history
  291  vgs
  292  poweroff
  293  lsblk
  294  vgs
  295  fdisk /dev/sda
  296  lsblk
  297  vgs
  298  lvs
  299  pvs
  300  vgextend vgdata /dev/sda8
  301  vgs
  302  df -h
  303  mount | grep lvda
  304  lvextend -l +50%FREE /dev/vgdata/lvdata
  305  df -h
  306  xfs_growfs --help
  307  xfs_growfs /lvdata
  308  df -h
  309  vgs
  310  lvcreate -n lvnew -l 100%FREE vgdata
  311  lvs
  312  mkfs.ext4 /dev/vgdata/lvnew
  313  mount /dev/vgdata/lvnew /mnt
  314  mount
  315  df -h
  316  lvreduce --help
  317  lvreduce -r -L -100M /dev/vgdata/lvnew
  318  df -h
  319  free -m
  320  fdisk /dev/sda
  321  mkswap /dev/sda10
  322  free -m
  323  vim /etc/fstab
  324  mount -a
  325  free -m
  326  swapon -a
  327  free -m
  328  vim /etc/fstab
  329  history
  330  ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  331  yum install stratis-cli startisd
  332  yum install stratis-cli stratisd
  333  systemctl enable --now stratisd
  334  systemctl status stratisd
  335  man stratis
  336  stratis pool create mypool /dev/sdb
  337  stratis pool list
  338  stratis filesystem create mypool myfs1
  339  stratis filesystem create mypool myfs2
  340  stratis fs list
  341  blkid
  342  mkdir /myfs1 /myfs2
  343  vim /etc/fstab
  344  mount -a
  345  reboot
  346  stratis pool list
  347  stratis filesystem list
  348  df -h
  349  stratis blockdev list
  350  vdo
  351  man vdo
  352  #vdo create --name=vdo0 --device=/dev/sdb1 --vdoLogicalSize=10T
  353  vdo create --name=vdo0 --device=/dev/sdc --vdoLogicalSize=10T
  354  mkfs.xfs -K /dev/mapper/vdo0
  355  cd /usr/share/doc/vdo/examples/
  356  ls
  357  cd systemd/
  358  ls
  359  vim VDO.mount.example
  360  mv VDO.mount.example /etc/systemd/system/myvdo.mount
  361  systemctl enable --now myvdo.mount
  362  mount
  363  reboot
  364  systemctl status sshd.service
  365  exit
  366  history
  367  mount | grep vdo
  368  vim /etc/systemd/system/myvdo.mount
  369  ./countdown 12
  370  history | grep mkfs
  371  systemctl status vdo
  372  journalctl -u vdo
  373  systemctl -t help
  374  systemctl list-units
  375  cd /usr/lib/systemd/system
  376  ls
  377  vim sshd.service
  378  systemctl status sshd.service
  379  kill -9 1523
  380  systemctl status sshd.service
  381  yum install -y vsftpd
  382  rpm -ql vsftpd
  383  rpm -ql vsftpd | grep systemd
  384  systemctl status vsftpd
  385  systemctl enable --now vsftpd
  386  systemctl status vsftpd
  387  systemctl list-unit-files -t target
  388  systemctl get-default
  389  systemctl set-default multi-user.target
  390  systemctl set-default graphical.target
  391  systemctl set-default multi-user.target
  392  vim /etc/fstab
  393  cd /run/systemd/
  394  ls
  395  cd generator/
  396  ls
  397  vim files.mount
  398  vim /etc/fstab
  399  systemctl daemon-reload
  400  ls
  401  cd ..
  402  cd generator/
  403  ls
  404  cp ext4.mount /etc/systemd/system/lvdata.mount
  405  cd /etc/systemd/system/
  406  vim lvdata.mount
  407  mount | grep lvdata
  408  umount /lvdata
  409  mount | grep lvdata
  410  systemctl enable --now lvdata.mount
  411  cd /etc/systemd/system/
  412  cat myvdo.mount
  413  vim  lvdata.mount
  414  systemctl enable --now lvdata.mount
  415  systemctl status lvdata.mount
  416  mount | grep lvdata
  417  systemctl list-unit-files -t socket
  418  systemctl cat cups.socket
  419  systemctl cat sshd.socket
  420  systemctl disable --now sshd.service
  421  systemctl enable --now sshd.socket
  422  systemctl status sshd.service
  423  systemctl status sshd.socket
  424  ssh localhost
  425  systemctl status sshd.service
  426  ssh localhost
  427  systemctl enable cockpit.socket
  428  systemctl start cockpit.socket
  429  systemctl status cockpit.socket
  430  cd
  431  ./countdown 12
  432  ps aux | grep nginx
  433  ps aux | grep http
  434  systemctl cat cockpit.service
  435  yum install -y httpd
  436  systemctl enable --now httpd
  437  ps Zaux | grep http
  438  ps Zaux | grep httpd
  439  ls -Zl /var/www
  440  mkdir /web
  441  vim /web/index.html
  442  vim /etc/httpd/conf/httpd.conf
  443  systemctl restart httpd
  444  curl localhost
  445  ls -lZd /web
  446  getenforce
  447  vim /etc/sysconfig/selinux
  448  curl localhost
  449  setenforce Permissive
  450  curl localhost
  451  setenforce enforcing
  452  grep AVC /var/log/audit/audit.log
  453  grep AVC /var/log/audit/audit.log | grep http
  454  ls -Z /var/www
  455  man semanage-fcontext
  456  semanage fcontext -a -t httpd_sys_content_t "/web(/.*)?"
  457  curl localhost
  458  cd /etc/selinux/targeted/
  459  ls
  460  cd contexts/
  461  ls
  462  cd files
  463  ls
  464  cat file_contexts.local
  465  ls -Zd /web
  466  restorecon -Rv /web
  467  curl localhost
  468  getenforce
  469  man semanage-fcontext
  470  yum search selinux
  471  yum install selinux-policy-doc
  472  man -k _selinux
  473  man -k _selinux | wc
  474  man -k _selinux | grep http
  475  man httpd_selinux
  476  getsebool -a | wc
  477  getsebool -a
  478  getsebool -a | grep ftp
  479  setsebool -P ftpd_anon_write on
  480  grep sealert /var/log/messages
  481  sealert -l 286937b8-b633-4e8b-85e6-d8949797a189 | less
  482  vim /etc/httpd/conf/httpd.conf
  483  systemctl restart httpd
  484  systemctl status httpd.service
  485  journalctl | grep sealert
  486  sealert -l f7d6f3ed-19f5-41f8-999c-67436fd83887 | less
  487  semanage port -a -t http_port_t -p tcp 82
  488  systemctl restart httpd
  489  cd
  490  vim /etc/sysconfig/selinux
  491  semanage fcontext -l
  492  semanage fcontext -l | wc
  493  semanage port -l
  494  ls -ld /web
  495  history
  496  ./countdown 12
  497  vim /etc/default/grub
  498  grub2-mkconfig -o /boot/grub2/grub.cfg
  499  reboot
  500  reboot
  501  systemctl isolate graphical.target
  502  firewall-cmd --help
  503  firewall-cmd --get-services
  504  firewall-cmd --list-all
  505  firewall-cmd --add-service http
  506  firewall-cmd --list-all
  507  firewall-cmd --add-service http --permanent
  508  firewall-cmd --help | grep port
  509  firewall-cmd --add-port=82/tcp
  510  firewall-cmd --list-all
  511  firewall-cmd --add-port=82/tcp --permanent
  512  firewall-cmd --list-all
  513  firewall-cmd --reload
  514  firewall-cmd --list-all
  515  ssh root@192.168.29.78
  516  showmount -e 192.168.29.78
  517  history