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How to Setup and Secure Centos7 Server On Vultr VPS (Vultr Tutorial)
Learn how to setup and secure Centos 7 server on Vultr Cloud VPS. In this tutorial, I will teach everything related to the fundamental of server setup using Centos 7 and Vultr cloud computer such as:
1) Create and setting user privileges
2) Secure your vps using ssh and private keys file
3) Setup basic firewall for your Centos 7 server
4) Create Swap file on Centos
5) Take snapshot of your Vultr VPS
Enjoy the tutorial!…
RECOMMENDED READING:
RECOMMEND VIDEO TUTORIALS:
How to Setup and Secure your VPS on Ubuntu server
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Vultr Vs DigitalOcean (VPS review)
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How to Install WordPress on Vultr VPS server
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THEMES AND PLUGINS
Kleo Multi Purpose Theme
Easy Social Share Button Plugin for WordPress
⚠️COMMANDS USED IN THE TUTORIALS
=====================================
1 Setup user privileges
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adduser kimseasok
passwd kimseasok
usermod -aG wheel kimseasok
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2 Generate & Embed SSH Keys
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mkdir .ssh
chmod .ssh 700
vi .ssh/authorized_keys
chmod 600 .ssh/authorized_keys
sudo vi /etc/ssh/sshd_config
PermitRootLogin no
PasswordAuthentication no
sudo systemctl reload sshd
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3 Firewall
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sudo systemctl start firewalld
sudo firewall-cmd –permanent –add-service=ssh
sudo firewall-cmd –permanent –add-service=http
sudo firewall-cmd –permanent –add-service=https
sudo firewall-cmd –permanent –add-service=mysql
sudo firewall-cmd –permanent –add-service=https
sudo firewall-cmd –permanent –add-port=4444/tcp (use port instead of service name)
sudo firewall-cmd –get-services
sudo firewall-cmd –reload
sudo systemctl enable firewalld
=====================================
4 Swap File
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sudo fallocate -l 8G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sudo sh -c ‘echo “/swapfile none swap sw 0 0” ⚠️DOUBLE CLOSING ANGLE BRACKETS /etc/fstab’
Your English was just fine! It helps to have a decent mic, so good job on that.
u english bad
after enable firewall and restart I'm unable to log, its timeout always, omg, i'm searching solution but not able to find
Thx dude! I was very confused about setting up security and this helped me a lot! Quick question do you think changing SSH port is necessary to increase security?
how kim can you guide how can i install vicidial on vultr server
Kim, your videos are EXCELLENT! Very well explained in depth, thank you for your awesome tutorials! keep up the good work. Thank you so much, dear!
This is all i need to know. Thank you for this tutorial sir. Keep it up the good job sir! :).