Linux Kernel Module to Drop Packets captured via netfilter hooks
thelinuxchannel Here is my sample Kernel Module to drop packets (i.e sk_buff instance) captured via netfilter hooks. When you want to drop packets in your custom netfilter hooks make sure you…
thelinuxchannel
UDP sample socket code for Systems and Network software developers
Here is my sample UDP socket code written in C. Unlike other versions you get commonly on-line this version is focused towards systems and network software developers and as a…
What is purpose of Kernel Development – Example SMOAD Networks SDWAN Orchestrator Firewall Kernel Engine
Often aspiring students may have this question, that what is the purpose of Linux Kernel Development. Since Linux Kernel is very mature and it has almost everything one would need.…
Coding a simple look-up-table in C – without Linked lists and a binary search
Linked-lists is one of the most commonly used data-structures to store linear dynamic items such as while commonly coding in C/C++ which is also the case in the Linux Kernel…
IP-in-IP Tunneling Demystified – VPN Tunnels
There can be many ways one can architect VPN Networks. The end objective is to tunnel private IP (typically LAN subnets) within public IP Networks (such as Internet). You can…
NAS OS – OpenZFS – FreeNAS (now TrueNAS) Memory Analysis – Filesystem Metadata Overhead – NAS Performance
Refer:OpenZFS Wiki ↗openzfs.org ↗TrueNAS (formerly FreeNAS) ↗FreeBSD ↗
NAS OS – OpenZFS code-walk – vdev APIs – vdev_open() – vdev_close() – vdev_resilver_needed()
Refer:OpenZFS Wiki ↗openzfs.org ↗TrueNAS (formerly FreeNAS) ↗FreeBSD ↗
NAS OS – Ditching FreeNAS (now TrueNAS) – feedback – technical add-on and FreeNAS Hardware build tips
Refer:OpenZFS Wiki ↗openzfs.org ↗TrueNAS (formerly FreeNAS) ↗FreeBSD ↗Unraid ↗
NAS OS – ZFS Compression – LZ4 ZLE – Hardware Compression Accelerator Cards – OpenZFS FreeNAS (now TrueNAS)
Refer:TrueNAS (formerly FreeNAS) ↗FreeBSD ↗AHA lossless data compression ICs ↗Lossless Data Compression on GPUs ↗AHA371/AHA372 PCI Express® Compression and Decompression Accelerator Card ↗ In this video episode I discussed a…
NAS OS – FreeNAS (now TrueNAS) Server Hardware Upgrade – Q&A Dual 10Gbps NIC Card in LACP (802.3ad)
Refer:TrueNAS (formerly FreeNAS) ↗FreeBSD ↗