LINUX COMMANDS
-
COPY
-
cp index.js node-server/
to the directory -
cp index.js main.js
to the current directory
-
-
Restart:
sudo reboot
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Update-Upgrade
sudo apt-get update
sudo apt-get upgrade
-
Switch User
su - afozbek
-
User Add
useradd afozbek-simple
adduser afozbek
-
List Users
nano /etc/passwd
-
Delete User
deluser —remove-home newuser
-
Add Password to User
passwd afozbek-simple
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Add SSH KEY
sudo nano ~/.ssh/authorized_keys
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Change SSH Config
sudo nano /etc/ssh/sshd_config
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Enable Firewall
sudo ufw enable
-
List
sudo ufw app list
- * Nginx Full: This profile opens both port 80 (normal, unencrypted web traffic) and port 443 (TLS/SSL encrypted traffic)
- Nginx HTTP: This profile opens only port 80 (normal, unencrypted web traffic)
- Nginx HTTPS: This profile opens only port 443 (TLS/SSL encrypted traffic)
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List
-
Look for System is Working Properly
sudo systemctl status sshd
sudo systemctl restart ssh
-
Look Memory Usage
free -h
vmstat -s
NGINX (LIKE APACHE) - Reverse Proxy
What is a Reverse Proxy Server? | NGINX
-
Stop
sudo systemctl stop nginx
-
Restart
service nginx restart
-
Start
sudo systemctl start nginx
- Default HTML location:
/var/www/html
- Default HTML location:
-
/etc/nginx
: The Nginx configuration directory. All of the Nginx configuration files reside here. -
/etc/nginx/nginx.conf
The main Nginx configuration file. This can be modified to make changes to the Nginx global configuration.- Access Log:
/var/log/nginx/access.log
- Error Log:
/var/log/nginx/error.log
- Access Log:
-
/etc/nginx/sites-available/
: The directory where per-site “server blocks” can be stored. Nginx will not use the configuration files found in this directory unless they are linked to the sites-enabled directory (see below). -
/etc/nginx/sites-enabled/
: The directory where enabled per-site “server blocks” are stored. -
/etc/nginx/snippets
: This directory contains configuration fragments that can be included elsewhere in the Nginx configuration.
PM2
pm2 stop app_name_or_id
pm2 list
pm2 info app
- To Start All instance on startup
pm2 startup ubuntu
Nano
-
CTRL + 6
for Mark Set and mark what you want (the end could do some extra help). -
ALT + 6
copy selected line -
CTRL + K
for cutting what you want to copy -
CTRL + U
for pasting what you have just cut because you just want to copy. -
CTRL + U
at the place you want to paste.
DOCKER
How To Install and Use Docker on Ubuntu 18.04 | DigitalOcean
- Add User to Docker Group
sudo usermod -aG docker username
- Check User is in the Docker Group
id -nG
- To view system-wide information about Docker, use:
docker info
- Find and download(if not exist) an image from Docker Hub:
docker run {image}
- Ex:
docker run hello-world
- Ex:
- Search and list images :
docker search {image}
- Ex:
docker search ubuntu
- Ex:
- Run a Container and switch to the interactive terminal(-it)
docker run -it ubuntu
- Listing containers
- List running containers
docker ps
- List stopped containers
docker ps -f “status=exited”
- List all containers
docker ps -a
- View latest container
docker ps -l
- List running containers
- Start or Stop a container with its containerId
-
docker start {containerId}
docker stop {containerId}
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- Remove a container with its containerId or name
docker rm {containerId}
docker rm {name}
- Remove an image with its imageId or name
docker rmi {imageId}
docker rmi {name}
- Start a container with giving a custom name with —name
docker run --name newName {imageName}
- Manage your changes
- Commit:
docker commit -m "added Node.js" -a "{userName}" {containerId} "{userName}"/{newImageName}
- Push
docker push {userName}/{imageName}
- Commit:
- Listing the Docker images - (You can see your new image there 😁)
docker images
- Login to Docker Hub
docker login -u {docker-registry-username}
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