sudo docker run -d -p 27017:27017 --name mongodb mongo:latest sudo docker start mongodb sudo docker exec -it mongodb mongo
Here is what the above code is Doing:
1. Pulling the latest MongoDB image from Docker Hub.
2. Running the MongoDB container in detached mode.
3. Exposing the container’s port 27017 to the host’s port 27017.
4. Naming the container as mongodb.
5. Starting the container.
6. Connecting to the container’s MongoDB shell.
git clean -d -f Here is what the above code is Doing: 1. git clean -d -f -d: Remove untracked directories in addition to untracked files. -f: Force removal of the files.
lsof -wni tcp:3000 kill -9 PID_number Here is what the above code is Doing: 1. lsof -wni tcp:3000 – lsof: list open files – -w: disable warnings – -n: disable hostname lookups – -i: select by network address – tcp:3000: port 3000 2. kill -9 PID_number – kill: kill a process – -9: force kill…
// with npmnpm install @material-ui/core // with yarnyarn add @material-ui/core Here is what the above code is Doing: 1. We’re importing the Button component from @material-ui/core. 2. We’re using the Button component to render a button with the text “Hello World”. 3. We’re rendering the Button component inside a div with the id root. 4. We’re rendering the div inside the body of the…
export PATH=$PATH:/place/with/the/file Here is what the above code is Doing: 1. It’s creating a variable called “my_name” and setting it equal to your name. 2. It’s creating a variable called “my_age” and setting it equal to your age. 3. It’s creating a variable called “my_height” and setting it equal to your height. 4. It’s creating…
$ sudo chmod 600 /path/to/my/key.pem Here is what the above code is Doing: 1. We’re importing the boto3 library. 2. We’re creating a new EC2 resource. 3. We’re creating a new EC2 client. 4. We’re creating a new key pair. 5. We’re writing the key pair to a file. 6. We’re changing the permissions on…
echo “hello world” >> my_file.txt Here is what the above code is Doing: 1. We’re creating a new file called my_file.txt 2. We’re opening the file in write mode 3. We’re writing the string “hello world” to the file 4. We’re closing the file