Python language operators are must for python programmer. Python language is an interpreted, object-oriented and high-level programming language very easy to learn for new python beginners.
In Python, operators are special symbols that perform specific operations on one or more operands (values or variables). Some common types of operators in Python include: Continue reading “7 python Operators that you Must Know”
Python is a high-level programming language that is easy to learn and use. It has an English-like syntax, making it easy to read and understand. it was designed with the goal of being very readable as well as straightforward for beginners to learn how to program in it. Find out how you can easily install it in Linux OS. Continue reading “3 very Easy ways to install python in Linux”
Programmers can use Python to create standalone programs or scripts and use python framework and libraries to perform specific tasks such as data processing, statistical modeling, machine learning, and scientific computing. Here is a quick tutorial to install python in Windows to get started now.
Using crontab some times can get little confusing due to the field names, values, syntax, redirection. Learn crontab with different examples for each fields, you can use with minor modifications or create new ones based off these examples
Linux and Unix shell redirections are very useful in command line and shell scripting to redirect and collect errors and outputs. Standard output and standard errors are used a lot but still there is lot of confusion about the meaning, actual execution and correct way to utilize it. learn about 2>&1 redirection with examples to use in your scripts and commands.
The Secure Shell (SSH) Protocol is a protocol for secure remote login and other secure network services over an insecure network. ssh and sftp are two commands used to login and file transfer securely. Learn about ssh usage with examples & available options.
bash and Linux OS provides an error code on encountering failure or exist status code. As a numeric code is displayed it is for the user to understand and act on that error code. find the ready reference to the exit codes and error codes with their meaning to help debug the issues faster.
strace is an important debug tool in Linux and Unix systems to trace system calls and signals. strace is used where the program does not provide sufficient information for the cause of failures and we need to go a level deeper in to system calls and signal levels to find out potential issues.
netstat is one of the most commonly used command to print the network information, However the output of netstat may be difficult to understand with lots of rows and columns of data. With examples in this article you will be able to to use right option to get the right information along with complete understanding of the netstat command output.
Continue reading “netstat – 10 Most common usage with examples”
vi editor , pronounced as Vee Iee editor is the default text editor in Unix and Linux distribution. For new learners it may be difficult to get used to vi editor commands. To make this easy here is the vi editor cheat sheet in PDF format which can be printed and used for ready reference.