RHCSA day1 jan22

[root@server ~]# history
    1  tar -czvf /root/archive.tgz /etc
    2  ls -l
    3  tar tvf archive.tgz
    4  cat /etc/dnsmasq.conf |sed '^$' |sort > /var/tmp/dnslines.txt
    5  cat /etc/dnsmasq.conf |sed "/^$/d" |sort > /var/tmp/dnslines.txt
    6  cat /var/tmp/dnslines.txt
    7  cat /etc/dnsmasq.conf |sort -d > /var/tmp/dnslines.txt
    8  man sort
    9  cat /etc/dnsmasq.conf | grep -v '^$' | sort > /var/tmp/dnslines.txt
   10  history
   11  #mkdir /root/userfiles find / -user $USER -exec cp {} /root/userfiles/ \;
   12  useradd linda
   13  mkdir /root/userfiles ; find / -user linda -exec cp {} /root/userfiles/ \;
   14  ls /root/userfiles/ -a
   15  history
   16  git clone https://github.com/sandervanvugt/rhcsa
   17  dnf install -y git vim
   18  vim countdown
   19  chmod +x countdown
   20  ./countdown 12
   21  less /etc/passwd
   22  id linda
   23  usermod -aG wheel linda
   24  id linda
   25  id student
   26  vim /etc/default/useradd
   27  vim /etc/login.defs
   28  cd /etc/skel/
   29  ls
   30  ls -a
   31  touch hellofile
   32  useradd bob
   33  ls -al /home/bob
   34  passwd --help | less
   35  passwd --help
   36  passwd -S linda
   37  passwd linda
   38  echo password | passwd --stdin linda
   39  passwd -S linda
   40  passwd -l linda
   41  passwd -S linda
   42  cat /etc/shadow
   43  chage linda
   44  less /etc/group
   45  grep linda /etc/passwd
   46  grep linda /etc/group
   47  id linda
   48  history
   49  #history -d 38
   50  cd
   51  chmod +x countdown
   52  ls -l countdown
   53  chmod -x countdown
   54  ls -l countdown \
   55  ls -l countdown
   56  ./countdown
   57  history
   58  chmod +x countdown
   59  ls -l
   60  groupadd sales
   61  groupadd account
   62  useradd lisa -G account
   63  id lisa
   64  id linda
   65  usermod -G account linda
   66  id linda
   67  usermod -aG wheel linda
   68  id linda
   69  useradd -G sales anouk
   70  useradd -G sales anna
   71  mkdir /data/account
   72  mkdir -p /data/account
   73  mkdir -p /data/sales
   74  cd /data
   75  ls -l
   76  chgrp sales sales
   77  chgrp account account
   78  ls -l
   79  chmod 770 account
   80  ls -l
   81  chmod g+w,o-rx sales
   82  ls -l
   83  cd /home/linda/
   84  whoami
   85  touch rootfile
   86  pwd
   87  su - linda
   88  history
   89  pwd
   90  vim playme.sh
   91  chmod +x playme.sh
   92  su - linda
   93  chmod u+s playme.sh
   94  ls -l
   95  find / -perm 4000 2>/dev/null
   96  find / -perm /4000 2>/dev/null
   97  ls -l $(which passwd)
   98  ls -l /etc/shadow
   99  grep linda /etc/shadow
  100  history
  101  cd /data
  102  su - linda
  103  su - lisa
  104  chmod g+s *
  105  ls -l
  106  su - linda
  107  su - lisa
  108  cd
  109  ./countdown 12
  110  su - lisa
  111  chmod +t /data/*
  112  cd /data
  113  ls -l
  114  su - lisa
  115  history
  116  lsblk
  117  poweroff
  118  lsblk
  119  su - linda
  120  xxd -l 512 /dev/nvme0n1
  121  fdisk /dev/nvme0n1
  122  lsblk
  123  mount /dev/nvme0n1p3 /mnt
  124  mkfs.xfs /dev/nvme0n1p3
  125  mount /dev/nvme0n1p3 /mnt
  126  mount
  127  cd /mnt
  128  touch hellomount
  129  ls
  130  history
  131  fdisk /dev/nvme0n1
  132  fdisk /dev/nvme0n1p1
  133  fdisk /dev/nvme0n1
  134  lsblk
  135  cat /proc/partitions
  136  partprobe
  137  reboot
  138  lsblk
  139  mount
  140  df -h
  141  mkdir /mypart
  142  vim /etc/fstab
  143  mount -a
  144  df -h
  145  mkfs.ext4 /dev/nvme0n1p5
  146  mkfs.xfs /dev/nvme0n1p6
  147  mkdir /xfs
  148  mkdir /ext4
  149  vim /etc/fstab
  150  mount -a
  151  df -h
  152  vim /etc/fstab
  153  fdisk /dev/nvme0n1
  154  reboot
  155  lsblk
  156  vim /etc/fstab
  157  blkid
  158  grep UUID /etc/fstab
  159  cat /etc/fstab
  160  xfs_admin --help |less
  161  xfs_admin -L goat /dev/nvme0n1p5
  162  blkid
  163  vim /etc/fstab
  164  vim /etc/default/grub
  165  grub2-mkconfig -o /boot/grub2/grub.cfg
  166  reboot
  167  lsblk
  168  df -h
  169  blkid
  170  history