RHCSA day2 nov20

    1  ps fax
    2  exit
    3  bash
    4  exit
    5  bash
    6  exit
    7  tar cvzf /root/archive1.tgz -C /etc
    8  tar cvzf /root/archive1.tgz -C /etc .
    9  tar tvf archive1.tgz | less
   10  tar cvzf /root/archive2.tgz /etc
   11  history
   12  sort /etc/dnsmasq.conf | grep -v '^$' > /var/tmp/dnslines.txt
   13  less /var/tmp/dnslines.txt
   14  vim /etc/services
   15  sort /etc/services | grep -v '^$' > /var/tmp/dnslines.txt
   16  less /var/tmp/dnslines.txt
   17  useradd betty
   18  find / -user "betty"
   19  mkdir /root/userfiles
   20  find / -user "betty" -exec cp {} /root/userfiles \;
   21  find / -user "betty" -exec cp -r {} /root/userfiles \;
   22  history
   23  vim countdown
   24  chmod +x countdown
   25  ./countdown 12
   26  man cp
   27  vim countdown
   28  ./countdown 0
   29  history
   30  echo $(( 2 + 4 ))
   31  vim /etc/login.defs
   32  useradd --help | less
   33  useradd -D
   34  vim /etc/default/useradd
   35  useradd --help | less
   36  useradd bob -s /usr/bin/false
   37  grep bob /etc/passwd
   38  cd /etc/skel/
   39  ls -a
   40  echo hello > hellofile
   41  useradd bill -s /bin/false
   42  cd /home/bill
   43  ls -a
   44  tail -1 /etc/passwd
   45  tail -1 /etc/shadow
   46  man 5 passwd
   47  tail -1 /etc/group
   48  passwd bill
   49  echo password | passwd --stdin bill
   50  passwd --help
   51  grep bill /etc/passwd /etc/shadow /etc/group
   52  passwd -l bill
   53  grep bill /etc/passwd /etc/shadow /etc/group
   54  man 5 shadow
   55  su - bill
   56  w
   57  useradd alex
   58  su - alex
   59  passwd -l alex
   60  su - alex
   61  passwd alex
   62  su - alex
   63  passwd -l alex
   64  su - alex
   65  passwd --help
   66  usermod --help
   67  usermod -L alex
   68  su - alex
   69  passwd -u alex
   70  grep alex /etc/shadow
   71  usermod -L alex
   72  grep alex /etc/shadow
   73  passwd --help
   74  passwd -e alex
   75  grep alex /etc/shadow
   76  su - alex
   77  bash
   78  exit
   79  groupadd mygroup
   80  useradd myuser -G mygroup
   81  id myuser
   82  usermod -aG wheel myuser
   83  id myuser
   84  grep myuser /etc/passwd /etc/group
   85  groups myuser
   86  id myuser
   87  chage myuser
   88  ./countdown 15
   89  vim jason.txt
   90  groupadd student
   91  groupadd students
   92  groupadd profs
   93  vim /etc/login.defs
   94  useradd linda -G students
   95  useradd lisa -G students
   96  useradd anna -G profs
   97  useradd anouk -G profs
   98  id anna
   99  history
  100  groupadd sales
  101  groupadd account
  102  usermod -aG sales linda
  103  usermod -aG sales lisa
  104  usermod -aG account anna
  105  usermod -aG account anouk
  106  mkdir -p /data/sales
  107  mkdir -p /data/account
  108  cd /data
  109  ls -l
  110  id
  111  chgrp sales sales
  112  chgrp account account
  113  ls -l
  114  chmod 770 *
  115  ls -l
  116  cd /home/linda
  117  touch wortel
  118  ls -l
  119  su - linda
  120  touch anotherwortel
  121  pwd
  122  su - linda
  123  vim playme
  124  chmod +x playme
  125  su - linda
  126  chmod u+s playme
  127  vim playme
  128  su - linda
  129  find / -perm /4000 2>/dev/null
  130  find / -perm /4000 -exec ls -l {} ]; 2>/dev/null
  131  find / -perm /4000 -exec ls -l {} \; 2>/dev/null
  132  ls -l /etc/shadow
  133  less /etc/passwd
  134  useradd myservice -u 2000 -s /sbin/nologin
  135  su - linda
  136  su - lisa
  137  ls -ld .
  138  cd /data/sales
  139  ls -ld .
  140  chmod g+s .
  141  ls -ld .
  142  su - lisa
  143  chmod +t /data/sales
  144  ls -ld /data/sales
  145  su - lisa
  146  cd ..
  147  ls -l
  148  su - anna
  149  getfacl sales
  150  setfacl -R -m g:account:rx /data/sales
  151  cd /data/sales
  152  ls -l
  153  getfacl lisa1
  154  man setfacl
  155  cd ..
  156  setfacl -x g:account sales
  157  getfacls sales
  158  getfacl sales
  159  getfacl sales/linda2
  160  setfacl -R -x g:account sales
  161  getfacl sales/linda2
  162  setfacl -R -m g:account:rX /data/sales
  163  getfacl /data/sales/linda2
  164  su - linda
  165  setfacl -m d:g:account:rx /data/sales
  166  getfacl /data/sales
  167  exit
  168  su - linda
  169  ./countdown 12
  170  lsblk
  171  poweroff
  172  lslbk
  173  lsblk
  174  fdisk /dev/sda
  175  lslbk
  176  alias lslbk=lsblk
  177  lslbk
  178  mkfs.xfs /dev/sda3
  179  lsbk
  180  lsblk
  181  mkdir /partition
  182  vim /etc/fstab
  183  mount -a
  184  mount
  185  reboot
  186  poweroff
  187  fdisk /dev/sda
  188  fdisk -l /dev/sda
  189  cat /proc/partitions
  190  lslbk
  191  lsblk
  192  reboot
  193  lsblk
  194  mkfs.ext4 /dev/sda6
  195  mkdir /oldfiles
  196  vim /etc/fstab
  197  fdisk /dev/sda
  198  reboot
  199  vim /etc/fstab
  200  reboot
  201  history
  202  vim /etc/fstab
  203  reboot
  204  journalctl -xb
  205  mount
  206  mount -a
  207  fdisk /dev/sda
  208  blkid
  209  blkid | grep sda5 | cut -f 2
  210  blkid | grep sda5 | awk '{ print $2 }'
  211  blkid | grep sda5 | awk '{ print $2 }' >> /etc/fstab
  212  vim /etc/fstab
  213  exit
  214  mount
  215  fdisk /dev/sda
  216  lsblk
  217  mkfs.xfs --help
  218  mkfs.xfs -L horse /dev/sda6
  219  mkdir /horses
  220  vim /etc/fstab
  221  mount -a
  222  xfs_admin --help
  223  fdisk /dev/sda
  224  reboot
  225  cd /data
  226  ls -l
  227  mkdir students profs
  228  cgrp students students
  229  chgrp students students
  230  chgrp profs profs
  231  ls -l
  232  chmod 770 profs
  233  chmod 770 students
  234  chmod 3770 [sp]*
  235  ls -l
  236  chown anna profs
  237  chown anna students
  238  setfacl -m -R g:profs:rX students
  239  setfacl -R -m g:profs:rX students
  240  setfacl -R -m d:g:profs:rx students
  241  chown -R anna /data
  242  cd /
  243  dd if=/dev/sr0 of=/centos82.iso bs=1M
  244  mkdir /repo
  245  vim /etc/fstab
  246  mount -a
  247  ls /repo
  248  cd /repo
  249  ls BaseOS/
  250  ls AppStream/
  251  cd /etc/yum.repos.d/
  252  ls
  253  rm -f *
  254  yum repolist
  255  vim baseOS.repo
  256  vim AppStream.repo
  257  cat baseOS.repo
  258  yum repolist
  259  cd
  260  cd /repo
  261  ls
  262  cd
  263  ls
  264  ./countdown 12
  265  yum search nmap
  266  cd /etc/yum.repos.d/
  267  vim baseOS.repo
  268  ls
  269  vim AppStream.repo
  270  yum search nmap
  271  cd
  272  yum search seinfo
  273  yum provides */seinfo
  274  yum install nmap
  275  yum remove nmap
  276  yum info nmap
  277  man 5 yum.conf
  278  yum modules list
  279  yum module list
  280  yum module info postgresql
  281  yum module info --profile postgresql
  282  yum module install postgresql:9.6
  283  yum module install postgresql:9.6/devel
  284  yum module install postgresql:9.6
  285  yum install httpd
  286  yum module info httpd
  287  yum module enable postgresql:10
  288  yum module info --profile php
  289  yum module install php:7.2/devel
  290  yum module reset php
  291  yum module install --allowerasing php:7.3
  292  history
  293  ip a
  294  ip -c -brie a
  295  ip addr
  296  ip route
  297  ip addr add dev ens33 10.0.0.11/24
  298  ping 10.0.0.11
  299  ip a
  300  man ifconfig
  301  ifconfig
  302  ifconfig -a
  303  man ifconfig
  304  ip route show
  305  ip route del default via 192.168.4.2
  306  ip r
  307  ping nu.nl
  308  ip route add default via 192.168.4.2
  309  ping nu.nl
  310  history
  311  ./countdown 12
  312  nmtui
  313  ip a
  314  nmtui
  315  ip a
  316  man nmcli-examples
  317  nmcli connection modify ens33 ipv4.addresses +10.0.0.12/24
  318  nmcli connection add ens33 ipv4.addresses +10.0.0.12/24
  319  nmcli connection modify ens33 ipv4.addresses 192.168.4.188/24
  320  nmcli connection up ens33
  321  ip a
  322  cd /etc/sysconfig/network-scripts/
  323  ls
  324  vim ifcfg-ens33
  325  cd
  326  systemctl status tuned
  327  tuned-adm --help
  328  tuned-adm list
  329  tuned-adm recommend
  330  tuned-adm profile desktop
  331  tuned-adm list
  332  cd /usr/lib/tuned/virtual-guest/
  333  ls
  334  vim tuned.conf
  335  lspci
  336  cd
  337  fdisk /dev/sda
  338  xxd /dev/sda7 | less
  339  pvcreate /dev/sda7
  340  pvs
  341  xxd /dev/sda7 | less
  342  vgcreate --help
  343  vgcreate -s 16m vgdata /dev/sda7
  344  vgs
  345  vgdisplay vgdata
  346  lvcreate -n lvdata -L 1G vgdata
  347  echo $(( 63 * 4 ))
  348  echo $(( 63 * 16 ))
  349  echo $(( 66 * 16 ))
  350  echo $(( 64 * 16 ))
  351  lvcreate -n lvdata -l 63 vgdata
  352  lvs
  353  mkfs.ext3 /dev/vgdata/lvdata
  354  vim /etc/fstab
  355  mount -a
  356  mkdir /lvdata
  357  mount -a
  358  df -h
  359  ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  360  \ls -l /dev/mapper/vgdata-lvdata /dev/vgdata/lvdata
  361  history
  362  tail -1 /etc/fstab
  363  alias
  364  xxd /dev/sda7 | less
  365  yum provides */lvcreate
  366  ./countdown 12
  367  vgs
  368  vgextend --help | less
  369  vgextend vgdata /dev/sda8
  370  vgs
  371  man lvresize
  372  lvresize --help | less
  373  df -h
  374  lvresize -r -L +500M /dev/vgdata/lvdata
  375  lvresize -l +100%FREE /dev/vgdata/lvdata
  376  lvs
  377  df -h
  378  resize2fs /dev/mapper/vgdata-lvdata
  379  df -h
  380  history
  381  free -m
  382  fdisk /dev/sda
  383  mkswap /dev/sda9
  384  free -m
  385  vim /etc/fstab
  386  swapon -a
  387  free -m
  388  history
  389  grep -i active /proc/meminfo
  390  cd /proc
  391  ls
  392  mkswap --help
  393  swapon -s
  394  grep -i activ /proc/meminfo
  395  cd
  396  history