There are three basic methods to configure a Linux kernel (easiest to hardest methods): Tuning Linux kernel parameters To increase kernel flexibility, special hooks allow
ip route flush initialize routing table ip route del remove entries from routing table
Find packages using packaging utilities If you know the name of the package you’re looking for, you can also use your system’s packaging utilities to
Linux manual pages, often called man pages are the documentation available in command line. Even we have much information in Google nowadays, those still are
Hostname Kernel name, hostname, processor, operating system Distribution details Process list Docker Crontabs Name servers (DNS) Routing Network interfaces Firewall Time & date Memory Storage
Regular expressions or commonly called as Regex or Regexp is a tool which simplifies working with strings. It helps finding, filtering, repliacing and matching. This
Bash aliases can save you from having to remember long commands and eliminate lots of typing. They simply make your life in terminal easier. But
Tests are fundamental feature in bash scripting. However, tests in bash are not the same as test in some application – they do not check
$PPID prints the bash’s parent process ID Readonly variables Use readonly prefix before assigning a variable to make it immutable. Environment variables env command lists
In the first post in Netcat series, I have discussed a few basic features this amazing tool has. This time, I will elaborate more on