DevSecOpsGuy

sudo apt update && sudo apt upgrade -y
cd ~/Downloads/
sudo wget https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.3.zip
sudo apt-get install unzip -y &&
sudo unzip ruby-2.5.3.zip -d ~/Downloads/
cd ruby-2.5.3 && sudo ./configure && sudo make && sudo make install
ruby --version

DevSecOpsGuy

COMMAND MODE

i = Enter insert mode
o = Insert after current line (enter insert mode)
O = Insert before current line (enter insert mode)
a = Append after current character (enter insert mode)
A = Append at end of line (enter inset mode)

u = undo

DevSecOpsGuy

sudo apt update && sudo apt upgrade -y
sudo apt-get install redis-server -y
sudo vi /etc/redis/redis.conf
:setnu
make line
 559 maxmemory 256
 and
 590 maxmemory-policy allkeys-lru

:wq

DevSecOpsGuy

echo 'deb http://www.rabbitmq.com/debian/ testing main' | sudo tee /etc/apt/sources.list.d/rabbitmq.list
wget -O- https://www.rabbitmq.com/rabbitmq-release-signing-key.asc | sudo apt-key add -
sudo apt-get update
sudo apt-get install rabbitmq-server
sudo systemctl enable rabbitmq-server
sudo systemctl start rabbitmq-server
sudo systemctl status rabbitmq-server

sudo rabbitmqctl add_user admin "your_password"
sudo rabbitmqctl set_user_tags admin administrator

DevSecOpsGuy

sudo apt update
sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -
sudo add-apt-repository "deb https://download.sublimetext.com/ apt/stable/"
sudo apt update
sudo apt install sublime-text

DevSecOpsGuy

mysql -u root -p
CREATE DATABASE wordpressdb DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci; 
GRANT ALL ON wordpress.* TO 'wordpressuser'@'localhost' IDENTIFIED BY 'password';
FLUSH PRIVILEGES;
EXIT:

sudo nano /etc/apache2/sites-available/wordpress.conf

<Directory /var/www/wordpress/>
    AllowOverride All

DevSecOpsGuy

sudo apt update
sudo apt install vsftpd
sudo cp -v /etc/vsftpd.conf /etc/vsftpd.conf.bk
sudo nano /etc/vsftpd.conf

Uncomment below lines.

write_enable=YES
local_umask=022
chroot_local_user=YES

DevSecOpsGuy

sudo apt update

sudo apt install samba

sudo systemctl status nmbd

sudo ufw allow 'Samba'


sudo cp /etc/samba/smb.conf /etc/samba/smb.conf.backup

DevSecOpsGuy

sudo apt-get install openssh-server

sudo service ssh status

sudo nano /etc/ssh/sshd_config

set PermitRootLogin yes
set PasswordAuthentication yes
set PermitEmptyPasswords yes

DevSecOpsGuy

sudo useradd -m -U -r -d /opt/rocket rocket
sudo usermod -a -G rocket www-data
sudo chmod 750 /opt/rocket
su - rocket
sudo passwd rocket 
su - rocket
curl -L https://releases.rocket.chat/latest/download -o /tmp/rocket.chat.tgz
tar -xzf /tmp/rocket.chat.tgz -C /tmp
cd /temp
cd Rocket.Chat/programs/server