Category: Technology
Upgrading Alpine Linux from 3.16 to 3.17
Upgrading Alpine Linux from 3.16 to 3.17 is quicker than the time it takes to read this article or make a cup of coffee.
Self Hosting Domains – Proxmox on a Laptop
Have you wondered what to do with your old laptops? Install Proxmox VE and begin web hosting domains, mail servers, DNS and more.
All mail servers should use SPF & DMARC
Providers of email and ISP’s should implement SPF & DMARC to help fight spam, scams, and other junk appearing in our mailboxes.
Proxmox Mail Gateway – Reject Unknown Senders
Proxmox Mail Gateway, out of the box, is awesome, but can be more awesome. #proxmox #proxmoxvirtualgateway #postfix #virtualization
Nginx speed improved after removing “return 444”
Nginx was performing brilliantly but a small change put an end to it. Why did 444 slow down response times?
How stupid are spammers?
If you’re going to become a spammer at least put in some effort. Malformed login credentials are never going to work you idiot!
Managing Your Postfix Outbound Queue
While looking at your logs you discover jammed email going nowhere, What do you do next? Managing your postfix outbound queue.
Sneaky workaround, fail2ban + Apache + Nginx
2 Servers, Nginx on 1, Apache on other. Same OS and fail2ban works on one, not other. #Centos, #Linux #Security #fail2ban
Firewalld, Fail2ban, Geo Blocks – protecting servers
Protect servers from hackers with firewalld, fail2ban & Geo Blocking #firewalld #linux #fail2ban #nginx #apache
Nginx Reverse Proxy in RAM = Performance +
Want more Nginx speed? Cache directly to RAM and enjoy lighting performance.
I’ve just discovered the SCP command on Linux
SCP can save your life. Copy files from one ssh console to another fast. #Linux #SSH #Centos #WorkSmarter #LearnNewStuff
DNS & Seconday DNS – Free
You will need two Name Servers if you want to self host Web Sites. Here is how to do it free.
SEO – Don’t forget ‘other’ search engines
Google isn’t where all your SEO efforts should be. 30% of internet searches are performed elsewhere. That’s a third of the population you’re missing.
Securing CentOS 7 Minimal
Without some basic security you are inviting hackers hack.
Web Hosting – At Home – Webmin
Why pay someone else for hosting your web site? Do it yourself…
Reverse Proxy & Speed with NGINX
Nginx reverse proxy can speed up your Apache web server. It worked for me and I’m a convert.