Blogspot is a free blogging platform provided by Google suitable for beginners and experienced bloggers. Anyone can create a free blog with this platform by creating an account on Blogger.com using a google account. The free blog you create with Blogger.com will have a Blogspot subdomain address. However, if you have a domain name, you can point it to this free Blogspot blog. You can set a custom domain name for your free Blogspot blog using the domain name you purchased. For example, www.CoreNetworkZ.com is a free Blogspot blog. I have explained the step-by-step guide to set a custom domain name to a free Blogspot blog in my previous tutorial. You can read that article by following the link provided below. How to Set Up Custom Domain Name For blogger Blog? In this tutorial, I am explaining a different thing. You can create a subdomain on your custom domain Blogspot blog. In other words, you can point your subdomain address to a Blogspot blog. Poin

Destination Net Unreachable is one of the common ICMP error messages you see when you ping a remote IP address as part of a ping test in network troubleshooting. This tutorial explains the meaning of the ICMP error message Destination Net Unreachable and teaches how to fix it. The first part of this tutorial explains why do you receive Destination Net Unreachable error while you ping a web address. The second part of the tutorial explains how to solve this error. Let us check what does the error message means? What is The Meaning of the Ping reply Destination Net Unreachable? This error message tells the ping request from your computer failed to find a route to the destination network. Reasons for the ICMP echo Destination net unreachable The ping packet couldn't find the destination network due to any one of the following reasons. Packet Routing issue The destination network path might be down An outdated Routing table on the default gateway with no route to t

Becoming an officer in the Central Bureau of Investigation ( CBI ) is a dream of many youths in India. Though this elite investigation agency is popular among the public, most people do not know the selection procedure to become a CBI officer. This article explains the various criteria, eligibility, exam pattern, and procedure to become a CBI officer. How to Join CBI as an Officer? Two different agencies conduct examinations to fill vacancies in CBI. They are UPSC and SSC. To become a group A officer in CBI, you must choose the Civil Service Examination conducted by UPSC and become an IPS officer. To join as Sub Inspector in CBI, you must go through the SSC CGL examination. Name Of the Post Recruitment Agency Group A Officer UPSC (Civil Service Examination) Sub Inspector SSC CGL How to Apply For CBI Sub Inspector Post? To become an Officer in CBI, you must pass the Combined Graduate Level Examination (CGL ) conducted by Staff Selection Commission

When someone faces problems with network connectivity, the first thing he has to do is to ping the destination address to check the connectivity. Ping is a network utility available in every Operating System. On a Windows computer, you can run ping utility from the Command Prompt. When you ping a destination address, your computer sends echo requests to the destination and wait for the reply. If the network connection is fine, your computer will receive a reply from the destination. If there is a problem, your computer will not receive the correct ICMP reply from the destination address. Instead, you will get one of the many ICMP error messages. Request Timed Out is one of the most common ICMP error messages to a failed ping. Let us check the meaning of this ICMP Echo Reply. The ICMP error message Request Timed Out explains your computer waited for replies from the destination host for a reasonable amount of time but received none. If you are not familiar wi

During my network engineer career, one of the common errors I received while troubleshooting connectivity issues is Destination Host Unreachable. This error was the cause of my Internet connectivity problems most times. The same can be true for you too. When you troubleshoot your connectivity problems, the chances of getting this ping reply are very high. If you learn how to resolve this error by yourself, you can fix most of your Internet connectivity problems yourself. In this tutorial, I will explain everything about this error. By the first part, you will learn the meaning of this ping reply. The second part of this article explains the reasons to get the ping reply Destination Host Unreachable. You will learn how to fix the Destination Host Unreachable ping error in the last part. What does Destination Host Unreachable Reply Mean? Before proceeding to the core of this tutorial, let me explain the meaning of this ping reply. The Destination Host U

I have been using JioFi since 2018 to share the Internet among my home devices. Their portable WiFi 4G router helps me a lot in my work-related travels due to its reliable data connectivity. It was fine until I faced some minor problems with this JioFi router recently. I faced slower WiFi connectivity with blinking WiFi lights. As a network engineer, I understand the reason for this kind of minor device failure. This device runs on outdated firmware, and it is high time to upgrade to the latest version. The JioFi router needs an emergency firmware update. In this article, I explain how did I download the latest JioFi firmware and upgraded it. How to Download the Latest Version of JioFi Firmware & Update? We can upgrade JioFi 4G Router firmware by two different methods. JioFi Firmware Automatic Upgrading Download and Manually Upgrade JioFi Firmware For a beginner, I recommend following the first method. Jio network automatically updates the

Hotstar is one of the most popular Indian-based web platforms to watch movies and popular TV shows on SmartPhones. They also allow SmartPhone users to download Films and shows on Mobile Phones for offline watching. Sounds great, but there are some untold restrictions that many users don't know. The downloaded videos are in an encrypted format, and only the Hotstar App can read them. In other words, you can play those video files only by Hotstar App. You cannot play them by other media players like VLC player, GOM player, etc. The second restriction is on changing the download path of Hotstar downloading. By default, Hotstar App saves downloaded video files on Mobile Phone Internal memory. Those having lower Internal memory on their Mobile handsets face issues with exhausting Phone memory by Hotstar downloaded files. This tutorial explains how to change the Hotstar video download path to external memory or even external memory storage and convert Hotstar downloaded video f

Kerala PSC asks for the mobile number of candidates while registering on its official website. However, I have seen many PSC aspirants change the mobile number over time. They do not understand the problems with losing the phone number they used while registering. One of them is to misses the important PSC updates. After the change in the exam confirmation process, you cannot submit the exam confirmation without providing the OTP sent to the mobile number. Without completing the confirmation, PSC will not allow you to appear for the examination. Those who fail to complete the confirmation will not get hall tickets. What if you lost the mobile number or the email address used at the time of profile creation? You do not need to worry. How to Become a CBI Officer? Kerala PSC allows candidates to change the registered mobile number and e-mail address at any time. How to Change Your Registered Mobile Number On Kerala PSC Portal You must ensure that the current Mobile Phone

Police Sub Inspector is one of the glamorous posts in Kerala Government Service. If you are one of the aspirants, now is the time to apply for it. PSC has announced the recruitment of a new batch of Sub Inspectors to the Kerala Civil Police department. According to the new Sub Inspector Exam Notification, both men and women candidates can apply. In this post, I will explain the Kerala Police Sub Inspector recruitment process, mode of examination, number of anticipated vacancies, exam cut-off mark, minimum educational and physical requirements, and the number of appointments from the previous rank list. Kerala PSC Police Sub Inspector Exam 2021 Notification Details Notification Number Category Age Limit to Apply 388/2019 Open Market 20 -31 389/2019 From Ministerial staff 20 -36 390/2019 Constabulary 20 -36 Kerala Police Sub Inspector Recruitment Procedure Let me explain the SI

If you have a Blogspot blog, you might notice the way Blogspot displays comments under each post. By default, Blogger shows only the first 200 comments under a post. Blogger automatically creates a second page to display every comment after the first 200. I have noticed this once some of the posts published on www.CoreNetworkZ.com crossed the 200 comments. My blog automatically created a second page to display the comments from 201th. Do you think it is a good feature? My answer is no. You might be wondering what the problem with showing Blogger comments on different pages. Problem With Creating Extra Page For Additional Comments Blogger not only shows the comments from 201th but also shows the entire post content on the extra page. It automatically attracts duplicate content issues. Google does not like to find the same content on a website from two different URLs. If you are not convinced, let me explain it with an example. Let us examine one post from this blog. T

Kerala PSC has invited applications for the post of Secretariat Assistant from qualified candidates. The name of the vacancy is Assistant/ Auditor. The Public Service Commission will appoint candidates from the rank list in any one of the departments. Government Secretariat Kerala Public Service Commission Advocate General’s Office (Ernakulam) Local Fund Audit Department Office of the Vigilance Tribunal Special Judge Enquiry Commissioner Office The age limit to apply for the vacancy of Secretariat Assistant in Kerala is 18 to 36 years. Both SC/ST and OBC candidates are eligible for upper age relaxation. Starting monthly salary of Kerala Secretariat Assistant is 27800-59400/- Indian Rupees. The educational qualification required to apply for the Kerala Secretariat Assistant examination is a degree from recognized Universities. Notification Number Name of The Post Last Date to Apply 57/2021 Assistant/Auditor 05.May.2021 Secretariat Assistant 2021

Kerala Public Service Commission has invited applications to the post of Civil Excise Officer ( Trainee) in the Kerala Excise Department. It is a district-level examination, and those who have passed Plus Two or equivalent can apply to only one district. From 2021 onwards, you must go through a two-stage written examination. The Kerala PSC Plus Two level Preliminary and Mains examination. Notification Number Name of The Post Last Date to Apply 538/2019 Civil Excise Officer (Trainee) (Male) 05.02.2020 501/2017 Women Civil Excise Officer 03-Jan-2018 340/2016 Civil Excise Officer 14-Dec-2016 341/2016 Civil Excise Officer (Transfer) 14-Dec-2016 How to Become a Civil Excise Officer To become a Civil Excise Officer in Kerala, you must pass the Common Plus Two level written examination (OMR-based) and a physical efficiency test conducted by Kerala PSC. The Common Plus Two-level written examination has two stages. The Plus Two level Preliminary Examination

Vodafone Idea (Vi) is a new telecom company formed by merging Idea and Vodafone to compete with the new market conditions in India.   Existing customers of Idea and Vodafone are automatically transferred to Vi. I have been using Idea network for the past eleven years and faced no major problems in their service.  However, after migrated to the Vi, I faced a surge in spam SMS messages to my Phone number. It was a surprise because I had activated DND on this number many years ago.  It seems that DND no longer works on my phone number once it's under Vi Limited. I am not alone in this, but my friends who were having Vodafone and Idea numbers face this sudden flooding of commercial SMS.   The only solution to stop getting these marketing messages to our Vi number is to activate DND once again.    Which is the Best Solution to Block Marketing SMS to My Phone?  The TRAI ((Telecom Regulatory Authority of India) provides a solution to deal with spam messages sent by marketing comp

Getting a government job in India is a dream of millions of educated youth. Getting a group A service is a bit difficult and needs a lot of time for preparation and hard work. For those who have passed SSLC (10th standard), the best choice to enter government service is LDC. Lower Division Clerk (LDC) exam by Kerala PSC opens a door for thousands of youth to Kerala Government service. Right now, everyone is eagerly waiting for the next Kerala LDC exam notification. PSC has announced the latest LDC Exam notification to recruit eligible candidates to the Lower Division Clerk post in the various Kerala Government departments. This time PSC conducts a two-tier system for LDC aspirants. A common preliminary test for all jobs with SSLC as the basic qualification, and a mains examination for those who cleared the tenth level preliminary examination. You can see the LDC notification details from the charts below. Notification Number Name Of the Post Last Date to Apply

Kerala PSC has invited applications for the post of Fireman( Trainee) in Kerala Fire and Rescue Services. It is statewide direct recruitment and those having the age between,18 to 26 years can apply.  The scale of Pay of Fireman in Kerala Fire and Rescue Service is 20000 - 45800 Indian Rupees. The minimum educational qualification to apply for Fireman in Kerala is Plus two or its equivalent.  Proficiency in swimming is a must for this job. Candidates must go through two-level tests to become a Fireman; a written test and a Physical Efficiency Test.  From 2021, you have to apply for the twelfth level preliminary and mains examination to get selected for this vacancy. More details about the most recent Fireman job notification are given below. Category Number Gazette Notification Date Last Date to Apply Number of Vacancies Date of written test 069/2017 12-May-2017 14-June-2017 Anticipated Sep/Oct 2017 Fireman Exam Study Materials The CoreNetworkZ team has c