Nguyen Trung Tin NguyenTrungTin

NguyenTrungTin / latest.go

Last active February 27, 2020 14:21

How to get unique and latest item of slice in Go (Golang)

	package main

	import (
	"fmt"
	)

	func main() {
	sl := []string{"zero", "one", "two", "one", "zero", "three", "five", "four", "five"}

	duplicateIndex := []int{}

NguyenTrungTin / top-ip.sh

Created December 13, 2019 03:53

cat access.log | awk '{print $1}' | sort -n | uniq -c | sort -nr | head -20

NguyenTrungTin / extend-disk.md

Last active September 19, 2019 03:29

AWS - Extend AWS EBS volumes with no downtime

lsblk

NguyenTrungTin / aws-cli-install

Created July 20, 2019 20:03

	```bash
	echo "alias python=python3" >> ~/.bash_aliases

	source ~/.bash_aliases
	```

	```bash
	sudo apt install python3-pip
	```

NguyenTrungTin / change-hostname

Last active July 20, 2019 20:05

	```sh
	hostnamectl set-hostname newName
	```

NguyenTrungTin / docker-ubuntu

Created July 20, 2019 19:58

	Uninstall old versions

	```
	sudo apt-get remove docker docker-engine docker.io containerd runc
	```

	```bash
	sudo apt-get update

	sudo apt-get install \

NguyenTrungTin / ssh-authorized-keys

Created July 20, 2019 19:57

	Create ~/.ssh/authorized_keys on user's home folder

	```sh
	# Copy user public key

	cd /home/username

	mkdir -p .ssh
	mkdir ~/.ssh/authorized_keys

NguyenTrungTin / nginx-proxy

Created July 20, 2019 19:55

	### Step 1 - nginx-proxy

	Start nginx-proxy with the three additional volumes declared:

	```shell
	$ docker run --detach \
	--name nginx-proxy \
	--publish 80:80 \
	--publish 443:443 \
	--volume /etc/nginx/certs \

NguyenTrungTin / linux-add-new-user

Last active December 13, 2019 03:49

	Linux add new user

	```bash
	sudo adduser username
	```

	Add the new user to `sudo` group

	```
	sudo usermod -aG sudo username

NguyenTrungTin / getProcessOnPort.txt

Created June 13, 2019 07:17

How to know what program is listening on a given port?

	Open your terminal and type as

	```sh
	lsof -i :8000
	```

	For example, with port 8000 (python3 -m http.server):

	```sh
	$ lsof -i :8000