RHCSA day1 sept21

    1  vim countdown
    2  chmod +x countdown
    3  ./countdown 9
    4  tar cvzf /root/archive.tgz /etc
    5  file archive.tgz
    6  tar tvf archive.tgz
    7  tar xvf archive.tgz -C /tmp
    8  grep -v "^$" /etc/dnsmasq.conf | sort > /var/tmp/dnslines.txt
    9  history
   10  useradd linda
   11  find / -user linda -type f -exec cp -pr {} /root/userfiles \;
   12  ls -l /root/userfiles
   13  less /root/userfiles
   14  rm /root/userfiles ; mkdir /root/userfiles ; find / -user linda -type f -exec cp -pr {} /root/userfiles/ \;
   15  ls /root/userfiles/
   16  ls /root/userfiles/ -l
   17  rm /root/userfiles/linda
   18  find / -user linda -exec cp -pr {} /root/userfiles/ \;
   19  ls -l /root/userfiles/
   20  ls -l /root/userfiles/ -a
   21  ls -la /home/linda
   22  ls -l /var/spool/
   23  find / -user linda
   24  exit
   25  usermod -aG wheel student
   26  id student
   27  visudo
   28  vim countdown
   29  chmod +x countdown
   30  ./countdown 12
   31  less /etc/passwd
   32  su - linda
   33  vim /etc/login.defs
   34  vim /etc/skel/
   35  cd /etc/skel/
   36  ls
   37  ls -a
   38  touch myfile
   39  cd
   40  groupadd sales
   41  useradd --help | less
   42  useradd -G sales bob
   43  id bob
   44  passwd --help
   45  useradd kees -x 9090
   46  useradd kees
   47  passwd -x 9090 kees
   48  passwd --help
   49  passwd -S kees
   50  vim /etc/shadow
   51  useradd -u 1234 whoever
   52  grep whoever /etc/passwd
   53  cat /etc/shadow
   54  passwd whoever
   55  cat /etc/shadow
   56  passwd -l whoever
   57  cat /etc/shadow
   58  echo password | passwd --stdin whoever
   59  for i in bob linda whoever student; do echo password | passwd --stdin $i; done
   60  chage linda
   61  ls -l
   62  mkdir /data/sales
   63  mkdir -p /data/sales
   64  mkdir -p /data/account
   65  cd /data
   66  ls -l
   67  chgrp account account
   68  groupadd account
   69  chgrp account account
   70  chgrp sales sales
   71  ls -l
   72  chmod 770 *
   73  ls -l
   74  id linda
   75  usermod -aG sales linda
   76  grep sales /etc/group
   77  id linda
   78  grep linda /etc/passwd
   79  grep sales /etc/passwd
   80  grep sales /etc/group
   81  grep wheel /etc/group
   82  su - linda
   83  su - bob
   84  cd /home/linda
   85  touch root1
   86  touch root2
   87  su - linda
   88  pwd
   89  touch root3
   90  su - linda
   91  cd
   92  ./countdown 12
   93  cd /home/linda
   94  vim playme
   95  chmod +x playme
   96  su - linda
   97  chmod u+s playme
   98  ls -l
   99  find / -perm /4000 2>/dev/null
  100  ls -l /usr/bin/passwd
  101  ls -l /etc/shadow
  102  su - linda
  103  chmod g+s /data/sales
  104  ls -ld /data/sales/
  105  cd /data/sales
  106  touch wortel
  107  ls -l
  108  su - linda
  109  chmod +t /data/sales
  110  su - bob
  111  ls -ld /tmp
  112  cd
  113  ./countdown 1
  114  lsblk
  115  ./countdown 12
  116  lsblk
  117  poweroff
  118  lsblk
  119  fdisk /dev/nvme0n1
  120  gdisk /dev/nvme0n1
  121  fdisk /dev/nvme0n1
  122  lsblk
  123  mkfs.xfs /dev/nvme0n1p3
  124  mkdir /newfs
  125  vim /etc/fstab
  126  mount -a
  127  mount
  128  reboot
  129  fdisk /dev/nvme0n1p1
  130  fdisk /dev/nvme0n1
  131  reboot
  132  fdisk -l
  133  lsblk
  134  mkdir /xfs
  135  mkdir /ext4
  136  mkfs.xfs /dev/nvme0n1p5
  137  mkfs.ext4 /dev/nvme0n1p6
  138  vim /etc/fstab
  139  mount -a
  140  vim /etc/fstab
  141  mount -a
  142  cd /xfs
  143  touch sda5file
  144  cd /ext4
  145  touch ext4file
  146  cd /
  147  vim /etc/fstab
  148  umount /xfs
  149  fdisk /dev/nvme0n1
  150  reboot
  151  vim /etc/fstab
  152  reboot
  153  history