CONFIG_BPF_SYSCALL: The Kernel Flag eBPF Programs Need
CONFIG_BPF_SYSCALL compiles the bpf() syscall into your kernel, the single entry point every eBPF program load and firewall rule requires to work.
Tag: Kernel configuration
Remove Old Kernels on Rocky Linux: Dnf Method
Set installonly_limit=3 in dnf.conf, run dnf remove –oldinstallonly, then grub2-mkconfig to free /boot space and prevent kernel pile-up on Rocky Linux.
Ubuntu Modules-Load.d: Autoload Kernel Modules at Boot
Use /etc/modules-load.d/.conf files with systemd-modules-load.service to persistently autoload kernel modules on Ubuntu. Step-by-step setup and troubleshooting.
Enable Kernel CONFIG Options: What to Know First
Stop looking for CONFIG_HAVE_EBPF_JIT in menuconfig. Stop looking for CONFIG HAVE EBPF JIT in menuconfig. It describes a marker, not a feature you switch on.