80 of the Best Linux Security Applications. Security is paramount. Security involves defense in depth. Approaching security one step at a time, with consistency and rigour, you can mitigate threats, and keep intruders at bay. PXELINUX - Syslinux Wiki. What is PXELINUX? PXELINUX is a SYSLINUX derivative, for booting Linux from a network server using a network ROM conforming to the Intel PXE (Pre-Execution Environment) specification. PXELINUX is not a program intended to be flashed or burned into a PROM on the network card. If you want that, check out iPXE ( If you want to create PXE-compliant boot PROM for your network card (to use with PXELINUX, for example), check out NetBoot (
Interactive map of Linux kernel. Free software.