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7/ —
7Server/ —

Linux 6.18 LTS Kernel for CentOS 7 / Red Hat 7


Features:

  • Google's BBRv3 TCP congestion control.
  • Hysteria's TCP Brutal congestion control.
  • Linux Random Number Generator (LRNG v59).
  • Enable eBPF support.
  • Enable PREEMPT_RT (Unstable, temporarily disabled.)
  • Enable Clang ThinLTO.

    • Install:

    1. Add Repository & Update Kernel:

    curl https://repo.cooluc.com/mailbox.repo > /etc/yum.repos.d/mailbox.repo
    yum --enablerepo=mailbox-kernel makecache
    yum install --enablerepo=mailbox-kernel kernel

    2. Mount BPF sysfs (Optional):

    curl https://repo.cooluc.com/kernel/files/sys-fs-bpf.mount > /etc/systemd/system/sys-fs-bpf.mount
    systemctl enable sys-fs-bpf.mount

    3. Update Kernel command line (Optional):

    Change file: /etc/default/grub

    GRUB_CMDLINE_LINUX="crashkernel=auto quiet nopti erst_disable nospectre_v1 mitigations=off l1tf=off mds=off tsx_async_abort=off srbds=off mmio_stale_data=off retbleed=off"

    grub2-mkconfig -o /boot/grub2/grub.cfg

    4. Reboot:

    reboot