“Too many authentication failures” is an error message that can occur when trying to connect to an SSH server. It indicates that the client has attempted to authenticate with the server using too many incorrect authentication methods or keys, exceeding the server’s configured maximum. Let’s dive into this. When connecting to an SSH server, the …

A Python for loop is a set of instructions that is repeated, or iterated, for every value in a sequence. Sometimes for-loops are referred to as definite loops because they have a predefined beginning and end as bounded by the sequence. Python For loop Syntax The general syntax of a for-loop block is as follows. …

How to get the Python version on Linux is a commonly asked question during a Linux job interview. In this article, we will cover 3 ways to find the Python version in Linux. We will learn how to check the python version using the python command as well as how to determine the python version …

In this article, we will cover how to check the python version in 3 ways. 3 Ways to check Python Version Commands Example Output python3 –version or python3 -V or python3 -VV Python 3.7.2 import sys sys.version 3.7.2 (tags/v3.7.2: 9a3ffc0492, Dec 23 2018, 23:09:28)[MSC v.1916 64 bit (AMD64)]’ sys.version_info sys.version_ info (major= 3, minor= 7, …

Recently we got some questions from readers about how to check the Ubuntu version.  How can I check the version of Ubuntu that I am running? What is the command to check the version of Ubuntu? How do I find out what version of Ubuntu I have? How can I tell which version of Ubuntu …

When the “Too Many Open Files” error message is written to the logs, it indicates that all available file handles for the process have been used (this includes sockets as well). In a majority of cases, this is the result of file handles being leaked by some part of the application. ulimit is a command …

If you have been having problems with your remote host identification, don’t worry – you are not alone. Many people are experiencing this issue right now. Luckily, there are a few ways that you can fix it. In this blog post, we will discuss three of the best methods for fixing this problem.  understanding remote …

In this tutorial, we will learn 10 useful Linux tcpdump examples and tcpdump options to analyze the traffic flow on a Linux machine. This tutorial covers the basic tcpdump filters like source ip, host, interface, specific port, udp port, write to file, all interfaces etc. Capture traffic on specific interface ( -i) Capture ip or …

The split() method in Python splits strings into a list. It will return a list of the words in the string/line, separated by the delimiter string. split string Syntax in Python 3 string.split(separator, max) Parameter Description separator The is a delimiter. The string splits at this specified separator. If is not provided then any white …

Python 3 has a number of built-in data structures, including lists. Data structures provide us with a way to organize and store data, and we can use built-in methods to retrieve or manipulate that data. It is important to keep in mind that lists are mutable — or changeable — data types. Unlike strings, which …