Every now and then, depending on what you’re doing, you might encounter this problem with your WordPress site. I often see it after running an update:Continue reading “Briefly unavailable for scheduled maintenance. Check back in a minute.”
If you need to do a MySQL database backup in linux, this is the basic command structure you want to use:
# mysqldump -u [username] -p [database name] > [filename]-$(date +%F).sql
This will prompt the password when you hit enter.Continue reading “Create MySql Database Backup in Linux Using MariaDB”
If you ever wondered what is going on at the DNS level on your computer (or network), tcpdump can be a useful tool for you.
Tcpdump is a tool that allows you to inspect any packet (TCP, UDP, etc) and its content as they pass through an interface through the libpcap module. The syntax is very simple, but the basics of the command require the network interface name, the protocol and the restrictions of what you are trying to inspect (more on that later):Continue reading “Inspecting DNS traffic via tcpdump”