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Markdown cheat sheet for Visual Studio Code

Here is a cheat sheet that I found somewhere that will work with Visual Studio Code MD files: "# README" # Heading 1 ## Heading 2 ### Heading 3 #### Heading 4 ##### Heading 5 ###### Heading 6 *This text* is italic \*This text\* is not italic _This text_ is italic **This text** is strong

How to fix connection timeout problem with MongoDB

Some of us have encountered a problem problem right after installing MongoDB, turns out we can't connect. I personally get this: root@ghost:~# mongo MongoDB shell version v4.2.8 connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb 2020-10-30T12:10:51.955+0100

How to list IP tables in Linux

This is helpful for when you can't access your localhost (127.0.0.1). Specially if you are having trouble accessing MongoDB after installation. Here is the command: iptables -L --line-numbers Sources: - https://dba.stackexchange.com/questions/181693/mongodb-exception-connect-failed

How to solve "mongod.service main process exited code=exited status=100/n/a"

For me, this did the trick: chown -R mongodb:mongodb /data Source: - https://stackoverflow.com/questions/45691032/mongod-service-start-exits-with-code-100

How to solve "mongod.service: Main process exited, code=exited, status=14/n/a"

For me this did the trick: chown mongodb:mongodb /tmp/mongodb-27017.sock More about this, in the link below. Source: - https://askubuntu.com/questions/823288/mongodb-loads-but-breaks-returning-status-14

How to configure a MongoDB replica set (local machine)

This post will guide you through the steps to set up a local replica set with two members and one arbiter. In a production environment the steps must be almost the same except that instead of starting three local MongoDB instances in different ports you would start an instance of

Permission Table for Linux (quick reference)

I am sure you have wondered what is the right permission for your file and tried to understand how it works, why there are numbers and letter and what all that mess means. Well here is a table that puts it in a very simple way, I am assuming you