Writing computer and software tutorials (especially for Unix/Linux) involves a lot of trials and errors. If this site helped you, please consider making a donation to keep me writing more useful tutorials 🙂 You choose the amount: $5, $10, $20, $30, $40, $50 …

  • My Paypal[email protected]
  • My U.S. Zelle account[email protected]   (No transaction fees)
  • My Bitcoin address:  1DpnReaJDg6H27orQbmVHN4UD2xVAfBhQw
  • My Ethereum address:  0x3aC7dD2aE15533A28690Cd3Dc49bea932Cb75001
  • My BNB address:  bnb10nxg65sfxe2chszayuamyd8vwy3sttzx9d2vmc

You can also support this site by purchasing a product or signing up for a service below via my referral link:

  • Vultr VPS (virtual private server): start at $2.5/month. You can create an account at Vultr via my referral link to get $50 credit. Note that you need to add your credit card or link your Paypal account, and deposit a small amount ($5) to verify you are not a bot, then you will receive the $50 credit.
  • If you need to buy a domain name, I recommend NameCheap. The price is low and they give whois privacy protection free for life.

By using the referral links, you can help support this site at no extra cost to you. The prices are the same if you go directly to these websites.

Here are some more referral links:

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Not interested in the above items? Then you can buy any product on Amazon via my referral link. Yes, any product you buy will help.