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The Linux Kernel – free and open-source, monolithic, modular, multitasking

The Linux kernel is the main component of a Linux operating system (OS) and is the core interface between a computer’s hardware and its processes. It communicates between the two, managing resources as efficiently as possible. The kernel of the operating system is like an air traffic controller at an airport, and the applications are the airplanes under its control. The kernel decides which program gets which blocks of memory, it starts and kills applications, and it handles displaying text or graphics on a monitor.

As per Wikipedia, “The Linux kernel is a free and open-source, monolithic, modular, multitasking, Unix-like operating system kernel. It was conceived and created in 1991 by Linus Torvalds for his i386-based PC, and it was soon adopted as the kernel for the GNU operating system, which was created as a free replacement for UNIX”.

Linux Kernel

The Linux kernel generally has 4 jobs:

Memory management: Keep track of how much memory is used to store what, and where
Process management: Determine which processes can use the central processing unit (CPU), when, and for how long
Device drivers: Act as mediator/interpreter between the hardware and processes
System calls and security: Receive requests for service from the processes

Want to about Kernel info: Open Terminal / Konsole and run the command given below

uname -a

You will output like below

Linux fedora 5.13.19-200.fc34.x86_64 #1 SMP Sat Sep 18 16:32:24 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

SSC Selection Post IX 2021 for 3200+ Post Apply Online

Online Application for SSC Selection Post IX Recruitment 2021. Official Notification has been Released for Staff Selection Commission (SSC) Selection Post IX for 3200+ Post. Check Here Eligibility, Examination Date, Syllabus. Candidates can Apply Online.

Deadline for SSC Selection Post IX 2021 :

Online Application Start : 24 September 2021
Registration Last Date : 25 October 2021
Fee Payment Last Date : 25 October 2021
Fee Payment (Offline): 01 November 2021
Examination Date : January/ February 2022
Admit Card : Notified Soon

Application Fee for SSC Selection Post IX 2021

General, OBC Candidates : Rs. 100/-
SC, ST Candidates : Rs. 0/-

Age Limit as on 01/01/2021

Min. Age : 18 Yrs.
Max. Age : 30 Yrs.
Read the Notification for Age Relaxation, Click here

Eligibility Criteria for SSC Various Selection Post IX Online Form 2021

Matric / Madhyamik Level : Passed Class 10th Exam. form Recognized Board in India.
Intermediate Level (10+2) : Passed Class 12th Exam. form Recognized Board in India.
Graduation Level (10+2+3) : Candidates have Bachelor Degree in any Stream from Recognized University.

IMPORTANT LINKS
Apply Online (Registration)	Click Here
Candidates Login	Click Here
Download Notification	Click Here
Official Website	Click Here

Best Makeup Artist in Kanchrapara – Bridal , Wedding …

In this post I am going to list some Best Makeup Artist in Kanchrapara, North 24 Parganas, which provides a wide range of services like Wedding Makeup, Bridal Makeup, Model Makeup, Hair Stylist, Cinematic Makeup, Fashion Makeup, Groom Makeup … you can hire professional makeup artist, beautician, hair styler from the list given below but before going to do anything please review their work, contact them clear your doubts.

1. Anju Makeup Artist

Experience: 10+ years as Makeup Artist
Services: Bridal Makeup, Cinematic Makeup, Fashion Makeup
Official Website: https://www.anjumakeupartist.com
Portfolio: Click Here
Location: Bagmore, Kumarpara (near boy’s club) Mansatala, Kanchrapara, West Bengal 743145
Location on Google Map: Click Here

2. Mamta Make Over

Experience: NA
Services: Bridal Makeup / Makeover, Party Makeover, Fashion Makeup
Official Website: https://www.mamtasmakeover.in
Portfolio: Click Here, YouTube
Location: Sahid Nagar, Sashi Babu Road, Kanchrapara Kolkata,
North 24 Parganas, West Bengal, Pincode – 743145
Location on Google Map: NA (Discontinued)

Railway SECR Apprentice Apply Online Form 2021

South East Central Railway, Bilaspur or SECR on 10 September 2021 announced online application form for the Post of Apprentice in Various Trades Recruitment 2021 (Total 432 Post). Those Candidates Who are Interested to this Vacancy and Have All Eligibility Criteria Can Read the Full Notification Before Apply Online.

Railway SECR Apprentice online application 2021

APPLICATION FEE
General, OBC Candidates: Rs. 0/-
SC, ST Candidates: Rs. 0/-
PH Candidates: Rs. 0/-

AGE LIMIT
15 TO 24 YEARS (as on 01/07/2021)

Eligibility Criteria
a) Must have passed 10th class examination under 10+2 system or its equivalent.
b) Must have passed ITI course in relevant trades from a recognized institution.

Total Vacancy 431

Post Name	General	OBC	EWS	SC	ST	Total Post
Apprentice	180	121	37	64	30	432

Download Application Details

Apply Online : https://apprenticeshipindia.org/login

Official Website : https://secr.indianrailways.gov.in/

SSC Constable GD Online Form 2021Apply Online

Staff Selection Commission (SSC) GD Apply Online 2021: The online application for SSC GD Constable 2021 has started from 17th July to 31st August 2021. SSC Constable GD for the Post of Constable GD in CAPF, NIA, SSF , Assam Rifle Recruitment 2021. Interested candidates who are Interested to this Vacancy and Have All Eligibility Criteria Can Read the Full Notification Before Apply Online.

A total of 25271 Vacancies are available under Border Security Force (BSF), Central Industrial Security Force (CISF), Central Reserve Police Force (CRPF), Indo Tibetan Border Police (ITBP), Sashastra Seema Bal (SSB), National Investigation Agency (NIA) & Secretariat Security Force (SSF) and for in Assam Rifles.

OFFICIAL WEBSITE : https://ssc.nic.in/

LAST DATE OF REGISTRATION : 31TH AUGUST 2021

Fee Payment Last Date : 02 September 2021
Fee Payment Last Date (Offline) : 04 September 2021

APPLICATION FEE

General, OBC Candidates : Rs. 100/-
SC, ST Candidates : Rs. 0/-
PH Candidates : Rs. 0/-

AGE LIMIT

18 TO 23 YEARS (as on 1st August 2021)

More detail Download Notification

Eligibility Details

Candidates Passed Class 10th (High School) Examination from Recognized Board in India.

More detail Download Notification

Physical Eligibility Details
Gender	Category	Height	Chest	Running
Male	Gen./OBC/SC	170 CM.	80-85 CM.	5 KM. in 24 Minute.
	ST	165 CM.	76-80 CM.
Female	Gen./OBC/SC	157 CM.	NA	1.6 KM. in 8.5 Minute.
	ST	155 CM.	NA
How to Apply SSC Constable GD Recruitment 2021. All Interested Candidates can Apply Online from 17/07/2021 to 31/08/2021. Read the Notification for More Details about SSC GD Constable Recruitment. Kindly Fill Your Basic Details and Upload Your Photo, Sign, ID Proof and Other Documents. Check Your full Details Preview Before Submit Application Form. Pay Required Application Fee to Complete Form. If Fees are Asked. Take a Print Out of Submit Final Form for Further Process.

Device Info : View your device stats – Android app

Device Info : View your device stats is a simple Android application that provides you some basic information about your device with a very simple user interface. It provides stats like CPU, RAM, OS, Sensors, Storage, Battery, Network, Installed Apps, Thermal , Check root status and tons more. This Android App was approved on Google play store on 30th July 2021 (submitted on July 26, 2021).

Device Info : View your device stats Feature List

Battery Charging : Its also provide information like time until device fully charged on newer version of android.

Battery Details :
Voltage, Current battery temperature, battery health, Battery Capacity in mAH

CPU and RAM uses :
Current RAM uses , free RAM %
No of CPU core , each core usage

Device info :
Current SDK info
IR Blaster Support
NFC Support
Latest Security info
Bootloader and Karnel info
Host and Build fingerprint
Device uptime

Network info :
Wifi status
SSID, MAC, IP Address, Speed and signal strength
Wi-Fi direct info
SIM 1 and SIM 2 details like ISP, mobile no. and mcc details

User installed apps :
No. of User installed app with on click launch app or go to app info

Sensor Details :
Sensor details list

Security info :
Developer option and USB debugging status
Root Status

Developer info : Sanjay Prasad

Android Version Support : Android 7 +

Programming Language : Java

Where to download Device Info : View your device stats

Any one with android device running Android 7 + can download it from Google Play Store.

Computer science with python project BMI Calculator (GUI)

In this tutorial I am going to create a simple GUI based Python project called BMI Calucator ideal for CBSE Class XI-XII subject Computer science with Python. With out wasting time Let’s see how to create a simple BMI Calculator with Python, In this project I am using tkinter for GUI.

Project Requirement

1. Python 3.X
2. Tkinter Library

GUI BMI Calculator in Python

Computer science with python project BMI Calculator Full Code

#!/usr/bin/python3
# By Sanjay Prasad
# https://www.codentricks.com

from tkinter import *
from functools import partial  
import tkinter as tk

window=tk.Tk()
window.title("BMI Calculator")

def bmi(label_result, ht, wt):  
    ht = float((ht.get()))  
    wt = float((wt.get()))
    ht=ht/100
    bmi=float(wt / (ht*ht))
    bmi=round(bmi,1)

    conclusion=""

    if bmi<18.5: 
      conclusion="Under Weight" 
    elif bmi>18.4 and bmi<=24.9: 
      conclusion="Normal" 
    elif bmi>24.9 and bmi<=29.9:
      conclusion="Over Weight"
    else:
      conclusion="Obesity"

    output= "BMI = "+str(bmi)+"\n" +conclusion

    label_result.config(text=output)
    return

ht = tk.StringVar()  
wt = tk.StringVar()  

heightText=Label(window,text="Height (in CM)").grid(row=0, padx=10,pady=10)
height=Entry(window, textvariable = ht ).grid(row=0, column=1, padx=10,pady=10)

weightText=Label(window,text="Weight (in KG)").grid(row=1, padx=10,pady=5)
weight=Entry(window, textvariable = wt ).grid(row=1, column=1, padx=10,pady=5)

labelResult = tk.Label(window) 
labelResult.grid(row=4, column=0)

bmi = partial(bmi, labelResult, ht, wt)  
btn=Button(window,text="Calculate BMI",command = bmi).grid(row=2, column=1, padx=20,pady=5)

window.geometry("400x300+10+10")
window.mainloop()

Indian Seasons (ऋतु) Names in Hindi and their months details

In this tutorial we are going to learn Indian Seasons (भारतीय ऋतु) Names in Hindi and their months details. There are actually 6 Indian Seasons in contrast to the typical ‘4 seasons’ and They are:

Spring (वसन्त ऋतु)
Summer (ग्रीष्म ऋतु)
Rainy (वर्षा ऋतु)
Autumn (शरद् ऋतु)
Pre Winter (हेमन्त ऋतु)
Winter (शिशिर ऋतु)

India Seasons (भारतीय ऋतु) and their month period Details

Season	Indian Month	English Month
वसन्त ऋतु	चैत्र से वैशाख	Late Feb to Late April
ग्रीष्म ऋतु	ज्येष्ठ से आषाढ	Late April to Late June
वर्षा ऋतु	श्रावन से भाद्रपद	Late June to Mid September
शरद् ऋतु	आश्विन से कार्तिक	Mid September to Early November
हेमन्त ऋतु	मार्गशीर्ष से पौष	Early November to Late December
शिशिर ऋतु	माघ से फाल्गुन	Late December to Late February

How to create a Linux application shortcut using Shell Script

Do you want to create a Linux application shortcut using a shell script then this tutorial can help you. I have developed a custom electron based application called “Automate Joy” and want to create a shell script that will create a application shortcut under development menu.

Screen shot creating Linux application shortcut using Shell Script

create Linux shortcut using shell script

First I have created a file called install.sh then opened a terminal to run command below to make it executable.

sudo chmod +x ./install.sh

Now inside install.sh written following code

#!/bin/bash
path=$(pwd)
appName="/automate-joy.desktop"
shortName="/usr/share/applications"
iconName="/img/icon.png"
dPath=$path$appName
iconPath=$path$iconName
shortPath=$shortName$appName

# echo $dPath
if [ -f "$shortPath" ]; then
echo "$shortPath already exists."
else

cat > $shortPath <<EOF
[Desktop Entry]
Encoding=UTF-8
Exec=npm start --prefix $path
Icon= $iconPath
Type=Application
Terminal=false
Comment=Automate Joy
Name=Automate Joy
GenericName=Automate Joy
StartupNotify=false
Categories=Development;IDE;TextEditor;
EOF

fi

After that I saved this file and opened a terminal and run below command to create software application icon in menu

sudo ./install.sh

How to write the Live image to your USB using Linux Terminal

Linux has variety of GUI option to create Live USB using .iso file like Live USB creator like UNetbootin, Linux Live USB Creator, Universal USB Installer, Live USB Creator, Fedora Image Write, Rosa Image Write …. but if you want to create a Live USB image using Terminal / Konsole.

In this tutorial we will learn Linux’s dd command to to create a Live USB from a .iso file. The dd command will almost always result in a working Live USB. Just change the paths to the correct paths for your system.

NOTE: To avoid common mistake, remember the USB drive is specified as /dev/sdx and not /dev/sdxX. The most common path of a USB drive is /dev/sdb BUT yours might be different depending on your system.

First To view a list of all drives currently attached to your system run this command:

sudo fdisk -l

To write the Live Install image to your USB run the following command :

Suppose name of the iso file is endeavouros-2021.04.17-x86_64.iso then command will be ..

sudo dd bs=4M if=/path/to/endeavouros-2021.04.17-x86_64.iso of=/dev/sdX status=progress && sync

Screen shot :

live-usb-using-linux-com

If you have any queries then please comment below, I will try to solve your query as soon as possible.

Do you have any Query / Suggestion

The Linux Kernel – free and open-source, monolithic, modular, multitasking