6 Linux IPC Mechanisms: When to Use Each
Pick the right Linux IPC mechanism for your task: pipes for streaming, sockets for client-server, shared memory for throughput, signals for notifications.
Tag: Linux kernel modules
Automatic Kernel Module Blacklisting for Sysadmins
Sysadmins automating kernel module blacklisting must verify each module’s purpose before fleet deployment to avoid silent boot failures and outages.
Lsmod vs Modprobe: List Loaded Kernel Modules
lsmod lists what the kernel loaded right now; modprobe loads modules and resolves dependencies. Learn which tool does what and why modprobe list doesn’t exist.
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.
How to Load Linux Kernel Modules With Modprobe
Use modprobe to load Linux kernel modules safely with dependency resolution. This guide covers the commands, diagnostics, and configuration you need.
MODULE_LICENSE Kernel Strings: GPL vs Proprietary Symbols
MODULE_LICENSE controls kernel symbol access and taint flags. Use exact strings like GPL or Dual BSD/GPL to avoid silent failures and permission denials.
Fix Kernel Module Load Jobs: Diagnose Boot Delays
Kernel module load jobs hang boot. Read the logs with journalctl, identify the failing module with modprobe, and fix it without masking systemd.
Kernel Missing or Contains Errors: Diagnose the Boot Chain
Kernel is missing or contains errors usually signals a boot loader mismatch, not a lost file. Learn which link in the boot chain broke and how to fix it.
Linux Kernel Modules: Load, Unload, and Troubleshoot
Master kernel modules with lsmod, modprobe, and dmesg. Learn to load drivers, manage dependencies, and fix load failures without rebooting your system.