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cPanel install error: [8894] (FATAL): The background process “EA4 Install” failed with a fatal error: The subprocess reported error number 127 when it ended

Jose Manuel

Hello, since a few weeks ago we see that randomly some servers give error when installing. Some install fine and others fail. In those that fail, we have to reinstall the operating system and relaunch the installation of cPanel and hopefully it works or with bad luck fails again... In the worst case it fails 3 times and the license is blocked and we have to open a ticket to ask for it to be reactivated. Any option to prevent?

[2025-02-26 07:34:51 +0000] [8894] (DEBUG):     [2025-02-26 07:34:51 +0000]   Downloading http://httpupdate.cpanel.net/RPM/11.110/centos/9/x86_64/cpanel-phpmyadmin-5.2.1-4.cp110~el9.noarch.rpm

[2025-02-26 07:34:52 +0000] [8894] (DEBUG):   - ssystem [END]

[2025-02-26 07:34:52 +0000] [8894] ( INFO): Completed execution of “/usr/local/cpanel/scripts/check_cpanel_pkgs --fix --no-broken --no-digest --download-only” in 12.614 second(s)

[2025-02-26 07:34:52 +0000] [8894] (DEBUG):   _wait_for_background_pids: 9036

[2025-02-26 07:34:52 +0000] [8894] (FATAL): The background process “EA4 Install” failed with a fatal error: The subprocess reported error number 127 when it ended.

2025-02-26 07:34:52   46 [5314] ( INFO): cPanel is here to help! Our technical KnowledgeBase and cPanel Community is just a click away at https://support.cpanel.net/

2025-02-26 07:34:52  128 [5314] (FATAL): The system failed to run the /usr/local/cpanel/scripts/cpanel_initial_install script.

Comments

3 comments

Date Votes
  • InterServed
    • Edited

    Hi there !

    I did encounter this problem a few times, here's how we fixed the install:
    /scripts/ea4_fresh_install
    export CPANEL_BASE_INSTALL=1;/usr/local/cpanel/scripts/cpanel_initial_install
    unset CPANEL_BASE_INSTALL
    /usr/local/cpanel/scripts/check_cpanel_pkgs --fix
    /usr/local/cpanel/scripts/upcp --sync

    If using AlmaLinux 9 or CloudLinux 9, you can also install this missing RPMs that for some reason cPanel doesn't install as default.
    dnf install rsyslog-logrotate libc-client -y

    0
  • Julio Santos

    Hello, 

    I had the same problem and noticed that mid-installation there was a change to the /etc/resolv.conf file, and it started displaying the error.

    How did I fix it?

    1) I updated the /etc/resolv.conf file
    nameserver 8.8.8.8
    nameserver 1.1.1.1

    2) I ran the command chattr +i /etc/resolv.com (to prevent any changes to the file)

    3) I ran this command to fix the installation:
    /usr/local/cpanel/scripts/upcp --sync

    Now the problem is solved, I hope this helps!

    0
  • cPRex Jurassic Moderator

    Julio Santos - you may want to check with your datacenter to see what non-public resolvers you can use in that file instead, as public resolvers can cause issues with spam detection tools so it's not recommended they be used long-term.

    0

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