RHCSA day2 marc21

[root@server1 ~]# history
    1  tar -czvf /root/archive.tgz /etc
    2  tar -tvf archive.tgz
    3  cat /etc/dnsmasq.conf
    4  cat /etc/dnsmasq.conf | grep -v ""
    5  cat /etc/dnsmasq.conf | grep -v " "
    6  cat /etc/dnsmasq.conf | grep -v ''
    7  cat /etc/dnsmasq.conf | grep -v '^$'
    8  cat /etc/dnsmasq.conf | grep -v '^$' | sort
    9  cat /etc/dnsmasq.conf | grep -v '^$' | grep -v '^#'
   10  cat /etc/dnsmasq.conf | grep -v '^$' | grep -v '^#' | sort
   11  find / -user $USER
   12  useradd lisa
   13  find / -user lisa
   14  find / -user lisa -exec cp {} /root/userfiles/ \;
   15  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \;
   16  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \; 2>/dev/null
   17  mkdir userfiles; find / -user lisa -exec cp {} /root/userfiles/ \; 2> finderr.txt
   18  less finderr.txt
   19  ls
   20  ls /home/student/
   21  /home/student/countdown 12
   22  find / -user student -exec cp {} /root/userfiles/ \; 2>/dev/null
   23  find / -user student
   24  find / -user student -exec ls -l {} \; 2>/dev/null
   25  history
   26  less /etc/passwd
   27  id lisa
   28  id student
   29  vim /etc/login.defs
   30  ls -a /etc/skel/
   31  ls -a /home/lisa
   32  vim /etc/login.defs
   33  groupadd sales
   34  groupadd account
   35  useradd -G sales linda
   36  id linda
   37  id lisa
   38  usermod --help
   39  usermod -aG sales lisa
   40  id lisa
   41  chage lisa
   42  su - linda
   43  tail -5 /etc/shadow
   44  man shadow
   45  man 5 shadow
   46  tail -5 /etc/shadow
   47  passwd linda
   48  tail -5 /etc/shadow
   49  grep linda /etc/passwd
   50  grep linda /etc/shadow
   51  grep linda /etc/group
   52  authconfig
   53  man authselect
   54  grep account /etc/group
   55  useradd -G account anna
   56  useradd -G account anouk
   57  mkdir /data/account
   58  mkdir -p /data/account
   59  mkdir -p /data/sales
   60  cd /data
   61  ls -l
   62  chgrp account account
   63  ls -lk
   64  chgrp sales sales
   65  ls -l
   66  chmod g+w account/
   67  ls -l
   68  chmod g+w,o-rx account/
   69  ls -l
   70  chmod 770 sales/
   71  ls -l
   72  cd /home/linda
   73  touch wortel
   74  ls -l
   75  ls -ld .
   76  su - linda
   77  touch carrot
   78  su - linda
   79  useradd bob
   80  cd /home/sales
   81  cd /data/sales
   82  touch bobfile
   83  ls -l
   84  ls -ld .
   85  su - bob
   86  ln /home/student/countdown /usr/bin/countdown
   87  countdown 12
   88  cd
   89  man chattr
   90  su - linda
   91  ls
   92  chattr +i archive.tgz
   93  rm -f archive.tgz
   94  cd /home/linda
   95  vim runme
   96  chmod +x runme
   97  su - linda
   98  chmod u+s runme
   99  ls -l
  100  su - linda
  101  vim runme
  102  exit
  103  su - linda
  104  find / -perm /4000 2>/dev/null
  105  ls -l /usr/bin/passwd
  106  ls -l /etc/shadow
  107  su - linda
  108  chmod g+s /data/sales
  109  su - linda
  110  su - lisa
  111  chmod +t /data/sales
  112  su - lisa
  113  cd /
  114  ls -l
  115  cd /tmp
  116  ls
  117  cd /data/
  118  ls -ld
  119  ls -l
  120  chown lisa sales
  121  su - lisa
  122  history | grep find
  123  find / -perm /1000 -exec ls -l {} 2>/dev/null
  124  find / -perm /1000 -type d -exec ls -l {} 2>/dev/null
  125  find / -perm /1000 -exec ls -l {} \; 2>/dev/null
  126  find / -perm /1000 -exec ls -ld {} \; 2>/dev/null
  127  ls -l
  128  getfacl sales
  129  ls -ld salesx
  130  ls -ld sales
  131  setfacl -m R g:account:rx /data/sales
  132  setfacl -R -m g:account:rx /data/sales
  133  ls -l sales
  134  man setfacl
  135  setfacl -R -x g:account sales
  136  ls -l
  137  ls -l sales/
  138  setfacl -R -m g:account:rX sales
  139  getfacl sales
  140  getfacl sales/linda2
  141  history
  142  countdown 12
  143  setfacl -m d:g:account:rx sales
  144  getfacl sales/
  145  lsblk
  146  poweroff
  147  lsblk
  148  fdisk /dev/sda
  149  lsblk
  150  mkfs.xfs /dev/sda
  151  mkfs.xfs /dev/sda3
  152  mkdir  /files
  153  vim /etc/fstab
  154  mount -a
  155  mount
  156  lsblk
  157  xxd -l 512 /dev/sda | less
  158  fdisk /dev/sda
  159  reboot
  160  lsblk
  161  mkfs.xfs /dev/sda5
  162  mkfs.ext4 /dev/sda6
  163  mkdir /xfs
  164  mkdir /ext4
  165  vim /etc/fstab
  166  fdisk /dev/sda
  167  reboot
  168  vim /etc/fstab
  169  reboot
  170  history
  171  vim /etc/fstab
  172  reboot
  173  journalctl -xb
  174  mount
  175  mount | grep '^/'
  176  vim /etc/fstab
  177  lslbk
  178  lsblk
  179  blkid
  180  vim /etc/fstab
  181  tune2fs --help
  182  tune2fs -L cow /dev/sda5
  183  tune2fs -l /dev/sda5 | less
  184  blkid
  185  vim /etc/fstab
  186  blkid
  187  blkid | grep sda5 | awk '{ print $3 }'
  188  blkid | grep sda5 | awk '{ print $3 }'  >> /etc/fstab
  189  vim /etc/fstab
  190  exit
  191  mount | grep xfs
  192  xfs_admin --help
  193  xfs_admin -L goat /dev/sda1
  194  umount /dev/sda1
  195  xfs_admin -L goat /dev/sda1
  196  mount -a
  197  tune2fs --help
  198  gdisk /dev/sda
  199  fdisk -l
  200  fdisk -l /dev/sda
  201  cat /proc/partitions
  202  lsblk
  203  mount | grep '^/'
  204  tail -1 /etc/fstab
  205  tail /etc/fstab
  206  cd /dev/disk/by-path/
  207  ls
  208  ls -l
  209  cd
  210  yum repolist
  211  yum install nmap
  212  cd /etc/yum.repos.d/
  213  ls
  214  cat redhat.repo
  215  rm -f *
  216  yum repolist
  217  cd
  218  #dd if=/dev/ser0 of=/rhel8.iso bs=1M
  219  df -h
  220  dd if=/dev/sr0 of=/rhel8.iso bs=1M
  221  yum clean all
  222  ls -l/ /
  223  ls -l /
  224  mkdir /repo
  225  vim /etc/fstab
  226  mount -a
  227  cd /repo
  228  ls
  229  cd
  230  cd /
  231  lsblk
  232  yum repolist
  233  countdown 12
  234  history
  235  cd /etc/yum.repos.d/
  236  vim base.repo
  237  vim appstream.repo
  238  cd /repo
  239  ls
  240  cd AppStream/
  241  ls
  242  cd Packages/
  243  ls
  244  ls | wc
  245  yum repolist
  246  vim /etc/yum.repos.d/appstream.repo
  247  cd
  248  yum search nmap
  249  yum install nmap
  250  yum remove nmap
  251  yum search seinfo
  252  yum provides */seinfo
  253  seinfo
  254  vim /etc/yum.repos.d/base.repo
  255  grep iso /etc/fstab
  256  cat /etc/yum.repos.d/appstream.repo
  257  yum module list
  258  yum module list | less
  259  yum module provides httpd
  260  yum module info postgresql
  261  yum module info postgresql | less
  262  yum module info --profile postgresql
  263  yum module list postgresql
  264  yum module enable postgresql:9.6
  265  yum install httpd
  266  yum module info --profile php
  267  yum module install php:7.2/devel
  268  yum module reset php
  269  yum module install --allowerasing php:7.3
  270  lsblk
  271  ip --help
  272  ip a
  273  ifconfig
  274  man ifconfig
  275  ip a
  276  ip a a dev ens160 10.0.0.10/24
  277  ip a
  278  ifconfig
  279  ifconfig -a
  280  ifconfig /all
  281  man ifconfig
  282  ip 0c a
  283  ip -c a
  284  rpm -qf $(which ifconfig)
  285  rpm -ql net-tools
  286  rpm -ql net-tools | grep bin
  287  yum remove net-tools
  288  ifconfig
  289  ip route show
  290  ip route del default via 192.168.29.1
  291  ping nu.nl
  292  ip route add default via 192.168.29.1
  293  nmap -sn 192.168.29.0/24
  294  vim /etc/resolv.conf
  295  cd /etc/sysconfig/network-scripts/
  296  ls
  297  cat ifcfg-ens160
  298  cd
  299  nmtui
  300  ip a
  301  ping nu.nl
  302  countdown 12
  303  vim /etc/sysconfig/network-scripts/ifcfg-ens160
  304  nmcli connection up ens160
  305  ip a
  306  nmcli connection load ens160
  307  ip a
  308  nmtui
  309  ip
  310  ip a
  311  nmcli connection down ens160
  312  ip a
  313  nmcli connection up ens160
  314  ip a
  315  reboot
  316  ip a
  317  systemctl status tuned
  318  tuned-adm --help
  319  tuned-adm list
  320  sysctl -a | wc
  321  sysctl -a
  322  tuned-adm list
  323  tuned-adm profile balanced
  324  tuned-adm list
  325  fdisk -l /dev/sda
  326  fdisk /dev/sda
  327  gdisk /dev/sdb
  328  lsblk
  329  pvcreate --help
  330  pvcreate /dev/sdb1
  331  pvs
  332  vgcreate --help | less
  333  vgcreate -s 8M vgdata /dev/sdb1
  334  vgs
  335  man lvcreate
  336  lvcreate -L 1G -n lvdata vgdata
  337  lvcreate -L 1016M -n lvdata vgdata
  338  lvs
  339  mkfs.xfs /dev/vgdata/lvdata
  340  mkdir /lv
  341  mv lv /lvdata
  342  mv /lv /lvdata
  343  vim /etc/fstab
  344  mount -a
  345  mount
  346  ls -l /dev/vgdata/lvdata /dev/mapper/vgdata-lvdata
  347  ls -l /dev/mapper/
  348  vgdisplay vgdata
  349  lvs
  350  lvdisplay
  351  gdisk /dev/sdb
  352  gdisk -l /dev/sdb
  353  cat /proc/partitions
  354  partprobe
  355  cat /proc/partitions
  356  vgextend --help
  357  vgextend vgdata /dev/sdb2
  358  vgs
  359  lvs
  360  df -h
  361  lvresize --help
  362  lvresize -r -l +50%FREE /dev/vgdata/lvdata
  363  df -h
  364  lvresize -l +5 /dev/vgdata/lvdata
  365  xfs_growfs /dev/vgdata/lvdata
  366  countdown 12
  367  history
  368  top
  369  fdisk /dev/sda
  370  mkswap /dev/sda6
  371  df -h
  372  free -m
  373  vim /etc/fstab
  374  swapon -a
  375  free -m
  376  vmstat 2 5
  377  vmstat 2 50
  378  history