linuxtrouble june22

    1  mkdir /web
    2  vim /web/index.html
    3  systemctl enable --now httpd
    4  dnf install curl
    5  vim /etc/sysconfig/selinux
    6  vim /etc/default/grub
    7  reboot
    8  grub2-mkconfig -o /boot/grub2/grub.cfg
    9  getenforce
   10  sleep 280 && reboot
   11  sleep 250 && reboot
   12  dfn install git
   13  dnf install git
   14  git clone https://github.com/sandervanvugt/trouble
   15  cd trouble/
   16  ls
   17  cd ..
   18  git clone https://github.com/sandervanvugt/luth
   19  cd luth/
   20  ./countdown 12
   21  ls
   22  vim /etc/httpd/conf/httpd.conf
   23  ls /web
   24  ls -l /web/index.html
   25  systemctl status httpd
   26  getenforce
   27  journactl -u httpd
   28  journalctl -u httpd
   29  cd /var/log/
   30  ls
   31  cd httpd/
   32  ls -lrt
   33  less error_log
   34  vim /etc/httpd/conf/httpd.conf
   35  systemctl restart httpd
   36  curl localhost
   37  exit
   38  cd /home/linda
   39  touch rootfile1
   40  touch rootfile2
   41  chattr +i rootfile2
   42  ls -l
   43  lsattr *
   44  exit
   45  cd /home/linda
   46  ls -l
   47  lsattr
   48  rm -f rootfile2
   49  chattr -i rootfile2
   50  ls -l
   51  lsattr
   52  man chattr
   53  poweroff
   54  fdisk /dev/sda
   55  mkfs.ext4 /dev/sda3
   56  vim /etc/fstab
   57  findmnt --verify
   58  mount -a
   59  tail /etc/fstab
   60  findmnt
   61  cp /etc/a* /mnt
   62  cd /mnt
   63  ls -i
   64  cat at.deny
   65  echo hellofile > hello
   66  ls -i
   67  rm hello
   68  cd
   69  umount /mnt
   70  debugfs /dev/sda3
   71  ls
   72  ls -l
   73  mount -a
   74  cd /mnt
   75  echo moon > newfile
   76  ls -li newfile
   77  sync
   78  ls -li newerfile
   79  echo moon > newerfile
   80  ls -li
   81  sync
   82  rm newerfile
   83  cd
   84  umount /mnt
   85  debugfs /dev/sda3
   86  cat sodisap
   87  ls
   88  luth/countdown 12
   89  mount 0a
   90  mount -a
   91  ls /mnt
   92  fdisk /dev/sda
   93  mount | grep mnt
   94  reboot
   95  lsblk
   96  fdisk /dev/sda
   97  xxd -l 512 /dev/sda | less
   98  fdisk /dev/sda
   99  mount /dev/sda3 /mnt
  100  ls /mnt
  101  df -h
  102  resize2fs --help
  103  resize2fs /dev/sda3 1G
  104  umount /dev/sda3
  105  resize2fs /dev/sda3 1G
  106  e2fsck -f /dev/sda3
  107  resize2fs /dev/sda3 1G
  108  echo $(( 262144 * 4 ))
  109  df -h
  110  fdisk /dev/sda
  111  mount /dev/sda3 /mnt
  112  df -h
  113  fdisk /dev/sda
  114  vgcreate vgtest /dev/sda4
  115  lvcreate -n lvtest -l 100%FREE vgtest
  116  mkfs.xfs /dev/vgtest/lvtest
  117  mkdir /lvtest
  118  mount /dev/vgtest/lvtest /lvtest
  119  cp /etc/* /lvtest
  120  ls /lvtest
  121  findmnt
  122  sync
  123  lvremove /dev/vgtest/lvtest
  124  lvremove /dev/vgtest/lvtest --force
  125  umount /lvtest
  126  lvremove /dev/vgtest/lvtest --force
  127  xxd /dev/sda4 | less
  128  poweroff
  129  lsblk
  130  dd if=/dev/sda4 of=/dev/sdb bs=1M count=1
  131  xxd /dev/sdb | less
  132  vim /etc/lvm/lvm.conf
  133  dd if=/dev/sda4 of=/lvmeta.dump bs=1M count=1
  134  dd if=/dev/zero of=/dev/sdb bs=1M count=1
  135  fdisk /dev/sdb
  136  vgcreate vgrecover /dev/sdb1
  137  lvcreate -n lvrecover -L 1G vgrecover
  138  man dd
  139  dd if=/dev/sda4 of=/dev/sdb1 skip=1M seek=1M
  140  reboot
  141  lvs
  142  mount /dev/vgrecover/lvrecover /lvtest/
  143  umount /lvtest
  144  mkfs.xfs /dev/vgrecover/lvrecover
  145  dd if=/dev/sda4 of=/dev/sdb1 skip=1M seek=1M
  146  reboot
  147  mount /dev/vgrecover/lvrecover /lvtest/
  148  xfs_repair /dev/vgrecover/lvrecover
  149  history