How to check if a File exists in bash
There are several ways to check the availability of a file in Linux. The “test” command in bash scripting is one of the critical approaches to checking a file’s existence.…
Ansible reboot Linux machine or server with playbooks
Indeed to reboot the VM or bare metal Linux machine/server using Ansible and wait for it to come back but it does not work with the playbook as described here.…
Coronavirus And Debt: Options To Consider If You Can’t Afford To Pay Your Bills
No matter where you live in the United States, there’s a good chance that the coronavirus pandemic has affected your finances somehow. According to an April 2020 study by the…
What Is Blockchain?
Blockchain is the innovative database technology at the heart of nearly all cryptocurrencies. By distributing identical copies of a database across an entire network, blockchain makes it very difficult to…
14 Best Paying Ways to Make Money with Raspberry Pi
Raspberry Pi is one of the great revolutions in recent technology. It allows people who don’t have in-depth knowledge of hardware design to create functional and exciting products in seconds.…
T-Mobile Admits Lapsus$ Hackers Gained Access to its Internal Tools and Source Code
The Lapsus$ hacking group has claimed another victim: U.S. telecom giant T-Mobile. T-Mobile’s latest security incident — the seventh data breach in the past four years — was first revealed…
23 Congressional Democrats Call on EPA to Investigate Bitcoin Mining Facilities
A group of 23 US politicians led by Rep. Jared Huffman have urged the EPA to investigate if Bitcoin mining firms are following environmental rules. They specifically expressed their “serious…
How to display listening ports using the netstat from the command line
If you’re troubleshooting a service that you know is running normally, the next step is to ensure it’s listening on the correct network port. The netstat command shows the services…
How to use buffers to copy and paste lines in VI/VIM
The vi and vim editors allow you to copy text from your file into temporary buffers for use in other places in the file during your current vi work session.…
Why My Helium HNT Earnings So Low – What Can I Do About It?
You discovered Helium, bought your miner and after weeks, possibly months of waiting, it’s finally been delivered to your doorstep. So you plug it in. After it’s all setup and…