25 Hardening Security Tips for Linux Servers

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Ravi Saive

I am Ravi Saive, creator of TecMint. A Computer Geek and Linux Guru who loves to share tricks and tips on Internet. Most Of My Servers runs on Open Source Platform called Linux. Follow Me: Twitter, Facebook and Google+

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73 Responses

  1. Mohammad Khalid says:

    I am also administrating Linux servers for my client websites and facing too many security threats.

    Sometimes server got down after website update.

    I will also use above tips to secure my servers.

    Thanks for the tips.

  2. Jota Esse says:

    Thanks for the tutorial. You may change the step 1. Md5 is deprecated and now the command is grub-mkpasswd-pbkdf2

  3. Arsalan says:

    kindly correct the english grammer mistakes and recheck for other errors. Otherwise a very good article for linux security. Recommended!

  4. Gaurav Bhatkar says:


    Kindly help me understand tip number 15.
    lcredit=-1 ucredit=-2 dcredit=-2 ocredit=-1 why these parameters have -1/-2 value.

    Thanks in advance

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