chmod -R 777 /путь/к/папке

chown -R username:group /путь/к/папке

sudo apt update
sudo apt install -y curl apt-transport-https

curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
curl https://packages.microsoft.com/config/debian/$(lsb_release -rs)/prod.list | sudo tee /etc/apt/sources.list.d/mssql-release.list

sudo apt update
sudo ACCEPT_EULA=Y apt install -y msodbcsql18

sudo ACCEPT_EULA=Y apt install -y mssql-tools18

echo 'export PATH="$PATH:/opt/mssql-tools18/bin"' >> ~/.bashrc
source ~/.bashrc

odbcinst -q -d -n "ODBC Driver 18 for SQL Server"

cat /var/log/syslog
less /var/log/syslog
tail -f /var/log/syslog

tail -f /var/log/apache2/access.log
tail -f /var/log/apache2/error.log  

tail -f /var/log/nginx/access.log
tail -f /var/log/nginx/error.log 

tail -f /var/log/mysql/error.log 

tail -f /var/log/auth.log 

journalctl  

journalctl -u nginx.service  

journalctl -f
journalctl -u nginx.service -f

journalctl --since "2024-07-25 12:00:00" --until "2024-07-25 13:00:00" 

journalctl -p err
journalctl -p warning  

tail -f /var/log/apache2/access.log  

tail -f /var/log/apache2/error.log 

tail -f /var/log/nginx/access.log

tail -f /var/log/nginx/error.log  

journalctl -u nginx.service  

journalctl -u nginx.service -f  

git checkout feature-branch

git checkout main
git pull origin main

git checkout feature-branch
git rebase main

   git add <файл>
   

   git rebase --continue
   

git push origin feature-branch --force

docker logs <container_id>

docker logs <container_name>

  docker logs -f <container_id>
  

  docker logs --tail 100 <container_id>
  

docker logs -t <container_id>

docker-compose logs -f

docker-compose logs -f <service_name>

journalctl -u docker -f

lambda аргументы: выражение

add = lambda x, y: x + y
print(add(3, 5))  # Выведет: 8

def add(x, y):
    return x + y

nums = [1, 2, 3, 4]
squares = list(map(lambda x: x ** 2, nums))
print(squares)  # [1, 4, 9, 16]

words = ["apple", "banana", "kiwi"]
sorted_words = sorted(words, key=lambda w: len(w))
print(sorted_words)  # ['kiwi', 'apple', 'banana']

ps aux | grep nginx

root      1234  0.0  0.1  123456  7890 ? Ss   10:00   0:00 nginx: master process /usr/sbin/nginx

systemctl status nginx

● nginx.service - A high performance web server and a reverse proxy server
   Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
   Active: active (running) since ...

nginx -v

nginx version: nginx/1.20.1

dpkg -l | grep nginx

rpm -qa | grep nginx

netstat -tulnp | grep :80

ss -tulnp | grep :80

  resource "aws_instance" "web" {
    ami           = "ami-123456"
    instance_type = "t2.micro"
  }