Category Archives: VPS Knowledgebase

Server Security

How to Secure the Linux Servers? A few Simple Tips

I have 20+ servers, and I need to make sure they are safe, so here are the few steps I took to harden the security: Change SSH Port number you can configure Port XXX in /etc/ssh/sshd_config and remember to restart the ssd service to take effect: service sshd restart Disable root SSH login you can Continue Reading »

vultr-cloud-hosting-bird

How to take free SSD upgrade with Vultr?

Vultr has recently increased the SSD space at the same price. See below: If you have old pricing & plans in effect, to take advantage of the new pricing under the Vultr policy, you will need to upgrade your servers within your Vultr Control Panel. You will be able to upgrade to any new plan Continue Reading »

cloudflare-logo

Protect Your VPS by Enabling the Firewall Rules and User Agent Blocking using CloudFlare

One of my VPS droplet has been under heavy attacks (either malicious or the bots) recently on an off. I got notifications of heavy CPU usage spikes and high load average up to 30 to 40 a few times per day. I have checked the apache logs and found out the unusual activities from bots Continue Reading »

digital-ocean

How to Enable Monitoring on Digital Ocean VPS (Droplets)?

You can easily enable the resource monitoring on Digital Oceans VPS, the droplets. You first need to SSH connect and switch to your root account (or other sudo accounts) and type in the following: curl -sSL https://agent.digitalocean.com/install.sh | sh The script will install the monitoring daemon on your server – which shouldn’t take long: And Continue Reading »

kvm-vs-openvz

VPS Virtualization: Why Should You Prefer KVM over OpenVZ?

Both KVM and OpenVZ are mature technology and both have advantages and disadvantages. OpenVZ For OpenVZ, it is not a true virtualization. Rather, the virtualization is based on OS layer. But you get a higher CPU performance (thanks to lower memory and CPU overheads on the host server). The disadvantage is: OpenVZ VPS may be Continue Reading »