RHCSA day 1 nov20

[root@localhost ~]# history
    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