update server manual

.docs/server-installation.md

@@ -56,11 +56,11 @@ or
 
 ## Tools to install
 1. Let's Encrypt CertBot, for certificates issuing and renewal. The certificate is installed using the following command: `certbot certonly -d your.server.name`. Use `--nginx` or `--apache` in order to have automatic renewal
-1. ffmpeg - for converting video and audio content
+1. ffmpeg - for converting video and audio content `sudo apt install ffmpeg`  
 1. OpenSSH Server - to be able to access the server remotely
 1. UFW - Firewall, configure to allow access only on 443, 80, and 22 (if possible, only for specific hosts)
 1. rsync - for backup
-1. fail2ban - to protect from SSH attacks
+1. fail2ban - to protect from SSH attacks: `sudo apt install fail2ban`
 1. postfix - in order to get CRON jobs notifications
 1. mailutils - CRON jobs mail notifications
 1. In order to enable web server monitoring you can install and run:  
@@ -116,8 +116,9 @@ Restart the service:
 > sudo apt update  
 > sudo apt install -y certbot  
 > sudo apt install -y python3-certbot-nginx  
-> certbot certonly --nginx -d pronature-disk.bg73.net  
-> certbot certonly --nginx -d pronature-v1.bg73.net 
+> sudo certbot certonly --nginx -d pronature-disk.bg73.net  
+> sudo certbot certonly --nginx -d pronature-v1.bg73.net 
+> sudo certbot certonly --nginx -d pronature-v2.bg73.net 
 
 ## NGINX rev proxy server config
 ### Install NGINX
@@ -173,6 +174,10 @@ server {
 }
 ```
 
+### To create a passwd file:
+> sudo apt install apache2-utils  
+> sudo htpasswd -c /etc/nginx/.htpasswd username  
+
 ## Firewall, enable services
 
 SSH Access: