Vaibhav Singh

Blog - vaibhavsingh.com

Interacting with Gitlab from Linux CLI

Follow the documentation from the official website [here]. Installation on Ubuntu Add SSH key to GitLab First generate SSH keys from your Linux CLI for seamless and secure interaction with Gitlab servers. Navigate to https://gitlab.com and sign in. Select your avatar in the upper right corner, and click Settings Click SSH Keys. Paste the public […]

Hydroponics shopping list

Been collecting some information to kick off a balcony garden. Following is the list of required items and their approximate cost – Air Pump – INR 200 Air Stone Non-return valve – INR 100 Timer Switch – INR 250 EC PH Meter – INR 1200 Nutrients for 100 litre grow – INR 120 Every plant […]

Automated backups using tar on Linux

Even though I use GCP’s scheduled snapshot feature as a means to backup entire OS, for a last known good configuration for my compute instances. But it seems excessive in some cases because it doesn’t make sense to restore the entire OS for something as simple as recovering an accidentally deleted file. Therefore, we must […]

Packet capture on Windows 10

Recently I had a need to capture packets on a VDI instance, however, the node had no sniffer software installed on it. I never knew there was a native tool available on Windows 10. drop and follow CLI @ here

Changing GCP instance type

To increase hardware resources for our learning lab deployed in previous post, we would stop the instance and modify the type. For my learning lab, suppose I’d need 2 vCPU, ~12GB RAM and about 20 or 30GB HDD. So let’s compare costs for various combinations available to us. Read [link] for more on various machine […]

Eve-ng lab on Google Cloud (GCP)

I need to prepare for a big datacenter build project that’s coming up based on newer networking technologies. As I don’t have access to my home lab presently due to COVID-19 lock-down so I’ve decided to build one on GCP. I posted a related post few years ago – read [here]. Cost Looking at cloud […]

Advanced proxy .pac file

This checks source IP and destination URL, based on it send it via proxy or allows it direct. Use case For users connected over RA-VPN, I don’t want them to ride the tunnel for bandwidth heavy internet based applications. E.g. youtube.com or something such as an e-learning, video streaming services. Solution for such a situation […]

A blog inside a container

I’ve been meaning to play with docker, containers in general, for quite sometime. As a result, I’ve set this website to run inside a docker container. Brief of what it entails below – Steps Register an account with Google cloud – GCP Deploy a pico size compute node (or whatever comes under free offer) Select […]

Keep sanity in quarantine

COVID-19 has everyone holed up in their houses. Its easy to lose track of your priorities and become undisciplined due to monotony of the situation. I’m putting together few things that may help. A daily routine Very important to follow a set daily routine. One of the most important things is to perform these right […]

Store personal passwords securely

Digital security practices recommend use of complex passwords which are unique to each website or service because if you would use only one password everywhere and someone gets this password, you would have a problem; the thief would have access to all of your accounts. There are various tools or methods to accomplish this. I […]

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