RHCSA day2 may21

[root@rhcsa ~]# history
    1  history
    2  exit
    3  tar cvzf /root/archive.tgz /etc
    4  ls -l
    5  file archive.tgz
    6  cat /etc/dnsmasq.conf
    7  cat /etc/dnsmasq.conf | grep -v '^$'
    8  cat /etc/dnsmasq.conf | grep -v '^$' | sort
    9  vim whatever
   10  cat whatever | grep -v '^$' | sort
   11  cat /etc/dnsmasq.conf | grep -v '^$' | sort
   12  useradd lisa
   13  find / -user lisa
   14  mkdir /root/userfiles; find / -user lisa -exec cp {} /root/userfiles \;
   15  cat /etc/dnsmasq.conf | grep -v '^$' | sort > /var/tmp/dnslines.txt
   16  history
   17  vim countdown
   18  chmod +x countdown
   19  ./countdown 12
   20  history
   21  vim countdown
   22  less /etc/passwd
   23  grep student /etc/passwd
   24  id student
   25  less /etc/passwd
   26  vim /etc/login.defs
   27  cd /etc/skel/
   28  ls
   29  ls -a
   30  touch hello
   31  ls -a
   32  useradd linda
   33  grep linda /etc/passwd
   34  ls -al /home/linda
   35  vim /etc/default/useradd
   36  id linda
   37  vim /etc/login.defs
   38  history
   39  visudo
   40  cd
   41  su - linda
   42  passwd linda
   43  su - linda
   44  id linda
   45  usermod -aG wheel linda
   46  id linda
   47  su - linda
   48  cd /etc/skel/
   49  ls
   50  ls -a
   51  vim .bash_logout
   52  cd .mozilla/
   53  ls
   54  cd ..
   55  cd
   56  man su
   57  exit
   58  ./countdown 12
   59  passwd --help |less
   60  passwd -l linda
   61  passwd --help |less
   62  passwd -S linda
   63  grep linda /etc/shadow
   64  passwd -u linda
   65  grep linda /etc/shadow
   66  chage linda
   67  ls
   68  ./countdown 12
   69  ssh localhost
   70  vim /etc/ssh/sshd_config
   71  passwd --help
   72  cd /etc
   73  ls -l
   74  cd
   75  chmod -x countdown
   76  ls -l countdown
   77  ./countdown
   78  chmod +x countdown
   79  ./countdown 0
   80  mkdir /data/sales
   81  mkdir -p /data/sales
   82  mkdir -p /data/account
   83  cd /data
   84  ls -l
   85  groupadd sales
   86  groupadd account
   87  usermod -aG sales linda
   88  usermod -aG sales lisa
   89  id linda
   90  id lisa
   91  useradd --help
   92  useradd -G account anna
   93  useradd -G account anouk
   94  id anna
   95  passwd lisa
   96  history
   97  history -d 97
   98  history -d 96
   99  history -d 95
  100  echo password | passwd --stdin anna
  101  ls -l
  102  chgrp account account
  103  ls -l
  104  chgrp sales sales
  105  ls
  106  for i in *; do echo $i; done
  107  for i in *; do chgrp $i $i; done
  108  ls -l
  109  chmod 770 *
  110  ls -l
  111  su - linda
  112  su - lisa
  113  cd /home/linda
  114  vim playme
  115  chmod +x playme
  116  su - linda
  117  chmod u+s playme
  118  ls -l
  119  su - linda
  120  find / -perm /4000 2>/dev/null
  121  ls -l /usr/bin/passwd
  122  ls -l /etc/shadow
  123  cat /etc/shadow
  124  ls -l /etc/shadow
  125  cd /data/sales
  126  ls -l
  127  chmod g+s .
  128  ls -ld .
  129  su - linda
  130  su - lisa
  131  chmod +t .
  132  ls -ld .
  133  su - lisa
  134  /root/countdown 12
  135  ls -ld .
  136  cd ..
  137  chmod 3770 *
  138  ls -k
  139  ls -l
  140  chmod o+x *
  141  ls -l
  142  chmod o-x *
  143  ls -l
  144  ls -lr *
  145  setfacl -R -m g:account:rx sales
  146  cd sales
  147  ls -l
  148  man setfacl
  149  setfacl -R -x g:account sales
  150  cd ..
  151  setfacl -R -x g:account sales
  152  ls -l sales
  153  setfacl -R -m g:account:rX sales
  154  ls -l sales/
  155  ls -l sales
  156  ls -ld sales
  157  getfacl sales
  158  setfacl -m d:g:account:rx sales
  159  getfacl sales
  160  su - linda
  161  lsblk
  162  fdisk /dev/sda
  163  lsblk
  164  mkfs.xfs /dev/sda3
  165  mount /dev/sda3 /mnt
  166  history
  167  vim /etc/login.defs
  168  groupadd --help | less
  169  groupadd students
  170  groupadd profs
  171  usermod -aG students anna
  172  usermod -aG students anouk
  173  id anna
  174  usermod -aG profs,account anna
  175  usermod -aG profs,account anouk
  176  usermod -G profs,account anouk
  177  usermod -G profs,account anna
  178  id anna
  179  usermod -aG students linda
  180  usermod -aG students lisa
  181  mkdir -p /data/profs /data/students
  182  cd /data
  183  ls -l
  184  chown anna:profs profs
  185  chown anna:students students
  186  ls -l
  187  chmod 3770 *
  188  ls -l
  189  setfacl -m d:g:profs:rx /data/students
  190  su - linda
  191  su - anouk
  192  getfacl /data/students
  193  setfacl -m d:g:profs:rX /data/students/
  194  su - anouke
  195  su - anouk
  196  ls -l
  197  rm -rf students
  198  mkdir students
  199  chmod 3770 students
  200  chown anna:students
  201  chown anna:students students
  202  ls -l
  203  setfacl -R -m g:profs:rX students
  204  setfacl -m d:g:profs:rx students
  205  getfacl students
  206  id anouk
  207  su - anouk
  208  ls l
  209  ls -l
  210  cd
  211  lsblk
  212  fdisk /dev/sda
  213  lsblk
  214  reboot
  215  lsblk
  216  mkfs.xfs /dev/sda5
  217  mkdir /files
  218  mount /dev/sda5 /files
  219  mount
  220  umount /files
  221  vim /etc/fstab
  222  mount -a
  223  mount
  224  df -h
  225  mkfs.ext4 /dev/sda6
  226  mkdir /ext4
  227  vim /etc/fstab
  228  mount -a
  229  df -h
  230  vim /etc/fstab
  231  umount /files
  232  fdisk /dev/sda
  233  reboot
  234  blkid
  235  blkid | grep sda5
  236  blkid | grep sda5 | awk '{ print $2 }'
  237  blkid | grep sda5 | awk '{ print $2 }' >> /etc/fstab
  238  vim /etc/fstab
  239  reboot
  240  ./countdown 12
  241  fdisk -l /dev/sda
  242  vim /etc/fstab
  243  fstab /dev/sda
  244  fdisk /dev/sda
  245  lsblk
  246  mount /dev/sda6 /mnt
  247  df -h
  248  xfs_admin --help
  249  xfs_admin -L goat /dev/sda6
  250  umount /dev/sda6
  251  xfs_admin -L goat /dev/sda6
  252  vim /etc/fstab
  253  tune2fs /dev/sda5 -L cow
  254  vim /etc/fstab
  255  fdisk /dev/sda
  256  reboot
  257  blkid
  258  cat /proc/partitions
  259  lsblk
  260  vim /etc/fstab
  261  cd /etc/yum.repos.d/
  262  ls
  263  rm -f *
  264  ls
  265  yum repolist
  266  yum install nmap
  267  cd
  268  dd if=/dev/sr0 of=/rhel8.iso bs=1M
  269  ls -l /rhel8.iso
  270  df -h
  271  mkdir /repo
  272  vim /etc/fstab
  273  mount -a
  274  ls /repo
  275  yum repolist
  276  ./countdown 12
  277  cd /etc/yum.repos.d/
  278  ls
  279  cd /repo/
  280  ls
  281  cd BaseOS/
  282  ls
  283  ls Packages/
  284  ls repodata/
  285  cd /etc/yum.repos.d/
  286  vim base.repo
  287  yum repolist
  288  vim appstream.repo
  289  yum repolist
  290  yum search nmap
  291  yum search nano
  292  vim base.repo
  293  which yum
  294  ls -l /bin/yum
  295  yum provides */passwd
  296  seinfo
  297  grep iso /etc/fstab
  298  cd /repo
  299  ls
  300  vim /etc/yum.repos.d/base.repo
  301  cd
  302  yum modules list
  303  yum module list
  304  yum module provides httpd
  305  yum module info postgresql
  306  yum module info --profile postgresql
  307  yum module list postgresql
  308  yum module list httpd
  309  yum module install postgresql:9.6/devel
  310  yum module install postgresql:9.6/server
  311  yum install httpd
  312  yum module info --profile php
  313  yum modules install php:7.2/devel
  314  yum module install php:7.2/devel
  315  yum module reset php
  316  yum module install --allowerasing php:7.3
  317  systemctl status NetworkManager
  318  cd /etc/sysconfig/network-scripts/
  319  ls
  320  vim ifcfg-ens160
  321  nmtui
  322  ip a
  323  ip a a dev ens160 10.0.0.10/24
  324  ip a
  325  ifconfig
  326  man ifconfig
  327  rpm -qf $(which ifconfig)
  328  yum delete net-tool
  329  rpm -ql net-tools
  330  yum remove net-tools
  331  cd
  332  ./countdown 12
  333  systemctl status tuned
  334  tuned-adm --help
  335  tuned-adm list
  336  tuned-adm profile desktop
  337  tuned-adm list
  338  fdisk /dev/sda
  339  cat /proc/partitions
  340  pvcreate /dev/sda7
  341  pvs
  342  xxd /dev/sda7 | less
  343  vgcreate --help | less
  344  vcreate -s 8M vgdata /dev/sda7
  345  vgcreate -s 8M vgdata /dev/sda7
  346  vgs
  347  pvs
  348  vgdisplay
  349  man lvcreate
  350  lvcreate -L 1G -n lvdata vgdata
  351  echo $(( 128 * 8 ))
  352  echo $(( 1016 / 8 ))
  353  lvcreate -l 127 -n lvdata vgdata
  354  lvs
  355  mkfs.xfs /dev/vgdata/lvdata
  356  mount /dev/vgdata/lvdata /mnt
  357  mount
  358  ls -l /dev/vgdata/lvdata /dev/mapper/vgdata-lvdata
  359  xxd /dev/sda7 | less
  360  vim /etc/fstab
  361  mount -a
  362  mkdir /lvdata
  363  mount -a
  364  history