Some milestones are very tough to achieve, even though you know that a small step can get you there but taking that small step is sometimes very difficult. Reaching this 100th post is somewhat the same experience for me. I have taken many months to write my 100th Post , I could not figure out… Read More My 100th Post!!
While working on VPCs I have encountered this awesome tool in AWS console, called reachability analyzer. As the name suggests this tool is used to analyze the connectivity between two endpoints , aws provides a very good list of options to choose an endpoints, see below… This can be a very useful tool while troubleshooting.… Read More AWS Troubleshooting : Reachability analyzer
Recently while working on VPCs I have seen this new option in amazon VPC. Resource-map provides an object map for VPC elements. Like below, it tells that my private and public subnet has route table association and if that route table has an external connectivity with igw or not. It is very useful information while… Read More AWS VPC : Troubleshooting Network connectivity with Resource-MAP
ChatGPT openAI tool is really impressive and people think that it can eat up few jobs. Before it makes anybody else’s life easy I thought I will make mine first. So I tasked chatGPT to write an article for me. I choose the easy topic because I know the tool is very new and it… Read More ChatGPT to write tech blogs
We have been using mobile phones for a very long time now. I have been using smartphones for the last 8 years now, but I never cared to venture into the details of that how the phones actually work. Coming from an engineering background I already know some pieces but that knowledge is limited to… Read More How does the LTE 4G mobile Phone work?
I have recently faced a problem with VNC after upgrading my home Ubuntu machine to 20.04. I have started getting below encryption error which I had to troubleshoot. “Unable to connect to VNC Server using your chosen security setting. Either upgrade VNC Server to a more recent version from RealVNC, or select a weaker level… Read More Linux : Unable to VNC after Ubuntu upgrade
It makes me wonder that what is driving the amazing adventure that human has embarked upon in the field of communication. Why they keep on discovering a new method to communicate better. Since the advent of a SIGN which an ancient human might have used to tell something to his/her friend or enemy, we have… Read More Amazing World of Communication!!
For ISR1100 router introduction please visit my blog ISR1100 Introduction For ISR 1100 Router Wireless config : https://youtu.be/pxuS7haLpow For ISR router Wireless config : Cisco ISR 1100 Wireless configuration Coming to 4g configuration, this is really interesting topic which I wanted to pick for a very long time and thankfully I got newly manufactured and… Read More Configuring Cisco ISR 1100 router for 4g/3g Cellular communication
What is Syslog and logging: Syslog is the client server protocol uses port 514 it can be configured to use TCP but basically it uses UDP and transfer logs in clear text.We can define logging as documenting and storing the triggered events in any technological environment. Stored logs can be used for security investigations, troubleshooting… Read More General understanding of Syslog