RHCSA day2 march22

[root@localhost ~]# history
    1  tar cvzf /root/archive.tgz /etc
    2  ls -l archive.tgz
    3  file archive.tgz
    4  tar tvf archive.tgz
    5  history
    6  tar -tvf archive.tgz
    7  ps aux
    8  ps -aux
    9  grep -v -e "^$" /etc/dnsmasq.conf |sort
   10  grep -v '^$' /etc/dnsmasq.conf |sort
   11  grep -v '^$' /etc/dnsmasq.conf | sort >/var/tmp/dnslines.txt
   12  vim countdown
   13  chmod +x countdown
   14  ./countdown 12
   15  sort -b -d /etc/dnsmasq.conf > /var/tmp/dnslines.txt
   16  man sort
   17  vim dummy.txt
   18  sort -bd dummy.txt
   19  useradd anna
   20  mkdir /root/userfiles/; find / -user anna -exec cp -r {} /root/userfiles/ \;
   21  history
   22  mkdir /root/annafiles; find / -user anna >> /root/annafiles
   23  mkdir /root/annafiles; find / -user anna >> /root/annafilesz
   24  cat /root/annafilesz
   25  cat /etc/os-release
   26  cat /etc/os-release | head -1
   27  cat /etc/os-release | head -2
   28  ps aux | less
   29  id
   30  id anna
   31  id student
   32  grep student /etc/passwd
   33  grep student /etc/shadow
   34  vim /etc/login.defs
   35  cd /etc/skel/
   36  ls -a
   37  history
   38  touch mynewfile
   39  useradd lisa
   40  ls -l /home/lisa/
   41  id student
   42  grep student /etc/passwd
   43  grep student /etc/group
   44  exit
   45  exit
   46  exit
   47  man -k sudo
   48  mandb
   49  man -k sudo
   50  man sudo
   51  grep anna /etc/shadow
   52  passwd --help
   53  passwd -l anna
   54  grep anna /etc/shadow
   55  passwd -u anna
   56  grep anna /etc/shadow
   57  chage linda
   58  chage anna
   59  change --help
   60  chage --help
   61  chage -l anna
   62  vim countdown
   63  chmod +x countdown
   64  ls -l countdown
   65  countdown
   66  echo $PATH
   67  ln countdown /usr/bin/countdown
   68  ls -il countdown /usr/bin/countdown
   69  vim countdown
   70  ls -il countdown /usr/bin/countdown
   71  countdown 12
   72  which su
   73  visudo
   74  su - anna
   75  cd /
   76  groupadd sales
   77  groupadd account
   78  useradd -G sales linda
   79  id linda
   80  useradd -G sales lisa
   81  id lisa
   82  usermod -aG sales lisa
   83  usermod -aG account anna
   84  useradd -G account anouk
   85  for i in anna anouk lisa linda; do is $i; done
   86  for i in anna anouk lisa linda; do id $i; done
   87  mkdir -p /data/sales
   88  mkdir -p /data/account
   89  mkdir /blah/yes
   90  cd /data
   91  ls -l
   92  chgrp account account
   93  chgrp sales sales
   94  ls -l
   95  chmod 770 account/
   96  ls -l
   97  chmod g+w,o-rx sales
   98  ls -l
   99  chown root:sales account
  100  ls -ld account/
  101  chown root.account account
  102  chown .account account
  103  history
  104  su - anna
  105  su - anouk
  106  cd /home/linda/
  107  vim playme
  108  chmod +x playme
  109  ls -l
  110  chmod u+s playme
  111  ls -l playme
  112  id linda
  113  visudo
  114  cd
  115  find / -perm /4000 2>/dev/null
  116  find / -perm /4000 -exec ls -l {} \; 2>/dev/null
  117  ls -l /etc/shadow
  118  exit
  119  su - linda
  120  cd /data
  121  chmod g+s *
  122  ls -l
  123  su - linda
  124  su - lisa
  125  chmod +t *
  126  ls -l
  127  su - lisa
  128  su - linda
  129  cd
  130  cd /home/linda
  131  touch rootfile1
  132  touch rootfile2
  133  ls -l rootfile*
  134  chmod 000 rootfile2
  135  ls -l
  136  su - linda
  137  ls -ld /tmp
  138  touch removeme
  139  ls -l removeme
  140  chattr +i removeme
  141  rm -f removeme
  142  lsattr removeme
  143  ls -l removeme
  144  chattr -i removeme
  145  su - linda
  146  countdown 12
  147  poweroff
  148  lsblk
  149  fdisk /dev/sda
  150  lsblk
  151  mkfs.xfs /dev/sda3
  152  mount /dev/sda3 /mnt
  153  cd /mnt
  154  cp /etc/hosts .
  155  ls
  156  cd
  157  umount /mnt
  158  ls /mnt
  159  vim /etc/fstab
  160  mount -a
  161  mkdir /sda3
  162  mount -a
  163  lsblk
  164  df -h
  165  mount
  166  mount | grep '^/'
  167  history
  168  fdisk /dev/sda
  169  lsblk
  170  fdisk -l /dev/sda
  171  mkfs.xfs /dev/sda4
  172  fdisk /dev/sda
  173  reboot
  174  lsblk
  175  cat /proc/partitions
  176  mkfs.xfs /dev/sda5
  177  mkfs.ext4 /dev/sda6
  178  mkdir /sda5
  179  mkdir /sda6
  180  vim /etc/fstab
  181  mount -a
  182  cp /etc/passwd /sda5
  183  cp /etc/motd /sda6
  184  history
  185  lsblk
  186  umount /dev/sda5
  187  vim /etc/fstab
  188  fdisk /dev/sda
  189  reboot
  190  journalctl -xb
  191  touch bb
  192  lsblk
  193  vim /etc/fstab
  194  blkid
  195  blkid | awk '/sda5/ { print $2 }'
  196  blkid | awk '/sda5/ { print $2 }' >> /etc/fstab
  197  vim /etc/fstab
  198  mount -a
  199  reboot
  200  blkid
  201  tune2fs --help
  202  tune2fs -L cow /dev/sda5
  203  blkid
  204  xfs_admin --help
  205  xfs_admin -L goat /dev/sda3
  206  umount /dev/sda3
  207  xfs_admin -L goat /dev/sda3
  208  mount -a
  209  blkid
  210  groupadd student
  211  groupadd students
  212  groupadd profs
  213  vim /etc/login.defs
  214  usermod -aG students lisa
  215  usermod -aG students linda
  216  id lisa
  217  usermod -aG profs anna
  218  usermod -aG profs anouk
  219  mkdir -p /data/profs /data/students
  220  cd /data
  221  ls -l
  222  usermod --help
  223  mkdir --help
  224  chown anna:students students/
  225  chown anna:profs profs/
  226  ls -l
  227  chmod 3770 *
  228  ls -l
  229  cd
  230  df -h
  231  dd if=/dev/zero of=/diskfile.img bs=1 count=2048
  232  dd if=/dev/zero of=/diskfile.img bs=1M count=2048
  233  ls -l /diskfile.img
  234  losetup -fP /diskfile.img
  235  losetup -a
  236  lsblk
  237  reboot
  238  lsblk
  239  losetup -a
  240  lsblk
  241  losetup -fP /diskfile.img
  242  lsblk
  243  ssh [email protected]
  244  cd /data
  245  getfacl sales
  246  cd sales
  247  ls
  248  ls -l
  249  cd ..
  250  setfacl -m -R g:sales:rx /data/sales
  251  setfacl -R -m g:sales:rx /data/sales
  252  ls -l sales/
  253  getfacl sales/lisa1
  254  man setfacl
  255  setfacl -R -x g:sales /data/sales
  256  ls -l sales
  257  setfacl -R -m g:account:rx /data/sales
  258  ls -l sales/
  259  getfacl sales/lisa1
  260  setfacl -R -x g:account /data/sales
  261  setfacl -R -m g:account:rX /data/sales
  262  ls -l sales/
  263  getfacl sales
  264  getfacl sales/lisa1
  265  setfacl -m d:g:account:rx /data/sales
  266  getfacl sales
  267  touch sales/root1
  268  getfacl sales/root1
  269  countdown 16
  270  df -h
  271  lsblk
  272  dd if=/dev/sr0 of=/rhel85.iso bs=1M
  273  df -h
  274  mkdir /repo
  275  vim /etc/fstab
  276  mount -a
  277  cd /repo
  278  ls
  279  cd BaseOS/
  280  ls
  281  ls Packages/
  282  ls repodata/
  283  cd ..
  284  cd
  285  yum repolist
  286  cd /etc/yum.repos.d/
  287  vim base.repo
  288  vim appstream.repo
  289  vim base.repo
  290  yum repolist
  291  vim appstream.repo
  292  yum repolist
  293  yum search btrfs
  294  yum search zsh
  295  yum install zsh
  296  seinfo
  297  yum provides */seinfo
  298  history
  299  cd
  300  yum module list
  301  yum module provides httpd
  302  yum module info postgresql
  303  yum module info postgresql | less
  304  yum module info --profile postgresql
  305  yum module list postgresql
  306  yum module install posgresql:9.6
  307  yum module install postgresql:9.6
  308  yum module install postgresql:9.6/server
  309  yum module enable postgresql:9.6
  310  man ifconfig
  311  ip a
  312  ip addr add dev ens160 10.0.0.10/24
  313  ip a
  314  ping 10.0.0.10
  315  ifconfig
  316  cat /etc/resolv.conf
  317  ip route show
  318  ip
  319  countdown 12
  320  df -h
  321  cd /repo
  322  ls
  323  ls BaseOS/Packages/
  324  ls BaseOS/repodata/
  325  cd /etc/yum.repos.d/
  326  cat base.repo
  327  cat appstream.repo
  328  yum repolist
  329  cd
  330  history
  331  systemctl status NetworkManager
  332  nmtui
  333  ip a
  334  fdisk /dev/sda
  335  lsblk
  336  pvcreate /dev/sda6
  337  xxd /dev/sda6 | less
  338  pvs
  339  vgcreate vgdata /dev/sda6
  340  vgs
  341  pvs
  342  vgremove vgdata
  343  vgs
  344  vgcreate --help | less
  345  vgcreate -s 8m vgdata /dev/sda6
  346  vgdisplay vgdata
  347  lvcreate -L 2G -n lvdata vgdata
  348  echo $(( 256 * 8 ))
  349  vgs
  350  echo $(( 255 * 8 ))
  351  lvcreate -l 255 -n lvdata vgdata
  352  lvs
  353  mkfs.xfs /dev/vgdata/lvdata
  354  mkdir /lvdata
  355  vim /etc/fstab
  356  mount -a
  357  mount | tail -1
  358  ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  359  xxd /dev/sda6 | less
  360  history
  361  tail -1 /etc/fstab
  362  df -h
  363  vgs
  364  pvs
  365  gdisk /dev/nvme0n1
  366  lsblk
  367  vgextend rhel /dev/nvme0n1p1
  368  vgs
  369  lvextend -r -l +100%FREE /dev/rhel/root
  370  df -h
  371  xfs_growfs /dev/rhel/root
  372  countdown 12
  373  yum install -y httpd
  374  systemctl status httpd
  375  systemctl enable --now httpd
  376  systemctl status httpd
  377  systemctl stop httpd
  378  systemctl get-default
  379  systemctl set-default multi-user.target
  380  systemctl get-default
  381  reboot
  382  touch ccc
  383  mount
  384  mount -o remount,rw /
  385  touch hhh
  386  systemctl list-units
  387  systemctl list-units
  388  systemctl isolate rescue.target
  389  systemctl list-units
  390  systemctl reboot
  391  systemctl set-default graphical.target
  392  reboot
  393  journalctl
  394  cd /var/log
  395  ls
  396  mkdir journal
  397  ls journal/
  398  systemctl daemon-reload
  399  ls journal/
  400  vim  /etc/systemd/journald.conf
  401  journalctl
  402  sysctl -a
  403  sysctl -a | wc
  404  systemctl status tuned
  405  tuned-adm --help
  406  tuned-adm list
  407  tuned-adm profile_info desktop
  408  tuned-adm profile desktop
  409  tuned-adm list
  410  cd /usr/lib/tuned/
  411  ls
  412  cd desktop/
  413  ls
  414  vim tuned.conf
  415  cd
  416  free -m
  417  tuned-adm list
  418  reboot
  419  free -m
  420  vmstat 2 5
  421  gdisk /dev/nvme0n1
  422  lsblk
  423  partprobe
  424  lsblk
  425  free -m
  426  mkswap /dev/nvme0p2
  427  mkswap /dev/nvme0n1p2
  428  free -m
  429  swapon /dev/nvme0n1p2
  430  free -m
  431  vim /etc/fstab
  432  history
  433  reboot
  434  history