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This article explains how to enable FIPS mode in Ubuntu-based systems working with Checkmk.

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Step-by-step guide

The following image displays what should be enabled and where to locate your subscription token.
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1. Next, you will need to install Ubuntu Advantage on the system.

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   [user@ubuntuhost ~]$ sudo apt install ubuntu-advantage-tools

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2. After you have the token, you You can use the following command instructions to activate enable FIPS via on Ubuntu Advantage.

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   [user@ubuntuhost ~]$ sudo ua attach <your_pro_token>

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   [user@ubuntuhost ~]$ sudo va attach C1MFo2BfFVQek921GHB11aC35VKWA [sudo] password for cmkadmin: Enabling default service esm-infra Updating package lists Ubuntu Pro: ESM Infra enabled Enabling default service fips-updates Updating package lists Installing FIPS Updates packages FIPS Updates enabled A reboot is required to complete install. Enabling default service livepatch Installing canonical-livepatch snap Canonical livepatch enabled. This machine is now attached to 'Ubuntu Pro Desktop' SERVICE ENTITLED STATUS STATUS DESCRIPTION esm-infra yes enabled Expanded Security Maintenance for Infrastructure fips-updates yes enabled NIST-certified core packages with prlorlty security updates livepatch yes enabled Canonical Livepatch service usg yes disabled Security compliance and audit tools NOTICES Operation in progress: pro attach FIPS support reguires system reboot to complete conflguration. Enable services with: pro enable <service> Account; Subscription: Ubuntu Pro Desktop Valid until: Fri Jan 13 13:34:55 2023 UTC Technical support level: essential   [user@ubuntuhost ~]$

   systems:
   https://ubuntu.com/security/certifications/docs/fips-enablement
   
   

   Note
   Please note that the above process is not supported by Checkmk. If there is a problem enabling FIPS on Ubuntu, you will need to reach out to Ubuntu support.

   
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3. Now reboot the system. Here you can see that FIPS mode has been activated.
   
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   You should reboot to this prompt.

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   Checking kernel image: /boot/vmlinuz-5.4.0-1007-fips FIPS check done done. Welcome to Ubuntu 20.04.05 LTS!

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4. Now you can register this host with the Checkmk Agent for monitoring.

   
   

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   [user@ubuntuhost ~]$ sudo cmk-agent-ctl register --site mysite --hostname ubuntuhost --server 192.168.0.15 user cmkadnin Attempting to register at 192.168.0.15:8000/mysite. Server certificate details: PEM-encoded certificate: -----BEGIN CERTIFICATE- MIICBTCCAdNgAWIBAGIUaCklbywn@E@BULRn?kqEHqlVEeEWDQYJKOZIhVCNAQEL BQAWJTEJNCEGALUEAwwaU2l0ZSAnb₩9uaXRvcmlUZycgbG9jYWwgQOEWIBCNMjIx MDEOMDMWNDA4WhgPMZAYNTAYNTQWMZAOMDhaMBUXEZARB9NVBAMMCm1vbml0b3Jp brcwggELMAOGCSqGSIb3DQEBAQUAA4IBDWAWg9 EKAOIBAQCtbbso58PYU42KSDNW FZAjJKg5qiqcAYrduend2gSp]GuUWptNxJyixlBxpőkCi1tB5GQqlJaKVFNDWXn/ fQ4NTbp5EUHoWkKZxPwbVTcF5VSHelaanOywLSDGEG9SXAI9CeuvvsSGbxeRMUEW OgAefi057749f2+L6ejsSn7ARnNxKO+LLBMGMpPd+IZ3VW7gNEYQQ/j+UYQZO2I 340k+4Zn5D12UtwOP/R7q9DEAJd6k@USonur9KőukTK+c7st92zjskcqrtUWLW9W 7BOdsSbXEBSC1hY9LFZMAWÞYKDocArVxT4mP2UEnq/MtqhCoW+GqRJK/nkFytAbf HpWdAgMBAAGj JZALMBUGA1UdEQQOMAyCCm1vbml0b3JpbmcWDAYDVROTAQH/BAIW ADANBgkqhkiG9WOBAQSFAAOCAQEAdkn/3+QArR+5LOvy28MIUG1IefDWX/KBZ7q/ 3rF1AKovaanGfu9UQZTH2jUhZiU@c4E1oqsVs4MVofgbf7jNr/Ae6okPPOa3YS4T NWX85nĐe2qBXdQPy6VPROSDU3P79MYHIH35vdb0+nvHQQ08s/I2MEr+KjUSOe6VC 3/5kvNuYsItspi3Gr41TiRzwFEelASv9nxnc3X8Lh+2uB1Y2fyG9y0/eleklg9+i n₩lwBbky4dBb¥1p+9yuioyu/+vGIFotaqxoJ6GkEyk3P8Vyi/jcdItKsFUtFanqy XCxxuPpc9/SivPr9kvWjfQTAJKga012OLbMMUZNuyGuQhogj8g== -END CERTIFICATE-- Issued by: Site "mysite' local CA Issued to: mysite Validity: From Fri, 14 Oct 2022 03:04:08 +0000 To Wed, 14 Feb 3021 03:04:08 +0000 Do you want to establish this connectton? [Y/n] >Y Please enter password for 'cmkadmin' > [user@ubuntuhost ~]$

   Successful registration after FIPS mode enabled
   
   
   Monitored host with FIPS enabled
   
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