need of opening necessary files in reading (read-only) mode to avoid accidental editing of files such as /etc/resolv.conf or a large config or programming file on a production server. How do I open files in read-only mode in vim text editor on Linux or Unix-like system?
am looking to setup MariaDB SSL (Secure Sockets Layer) and secure connections from MySQL client and PHP application. How do I enable SSL for MariaDB server and client running on Linux or Unix-like system?
I wanted to curl command to ignore SSL certification warning. Does curl command have a --no-check-certificate option like wget command
on Linux or Unix-like system?
ow do I limit ssh connection attempts using UFW (Uncomplicated Firewall) on Ubuntu or Debian Linux server?
For security and ease of admin, I want to install LXD on my cloud server either powered by XEN or KVM. How do I install LXD on Ubuntu Linux server powered by KVM virtualization technology?
I am using LXD (Linux container) to host Apache, MySQL, Perl and PHP-based app. I would like to assign or map fixed IP address to my MySQL container. How do I allow dnsmasq DHCP server to assign a static IP address to LXD container based on name or MAC address?
y nginx server is behind a reverse proxy load balancer. How can I show the correct client IP address in nginx log files when nginx is behind a load balancer?