In this challenge, you have to breakout of the chroot environment and read files of the actual file system.
First, We have to know, What is chroot before jumping into solve the lab.
$sudo apt install steghide
$steghide embed -cf image.jpeg -ef secret.txt
$free -m # m for displaying info in megabytes
$swapoff <location of swapfile or device>
# fdisk -l to locate swap device
eg: $swapoff /dev/sda5 or $swapoff /swapfile
Everyday in our life, we depends on google search engine for various activities.
By using google operators we can effectively use the google search engine and optimize the search results.
There are many google search operators, but in this article we focus on few operators to make our search effective.
Details: Install Iptables on all app servers and block the port 8083 except for LBR server
Installing Iptables in all app servers by using command
sudo yum install iptables
Next blocking the port 8083 using iptables
sudo iptables -A INPUT -p tcp — dport 8083 -j DROP
INPUT = incoming…