One of the last things the Linux kernel does during system boot is mount the root filesystem. The Linux kernel dictates no filesystem structure, but user space applications expect to find files with ...

At the end of the second article in this series, which outlines a step-by-step process for embedded Linux development, we had the LBox up and running, ready to use for application development. On some ...

In the Linux Journal article “Implementing Encrypted Home Directories” (August 2003), I described how to encrypt home directories transparently. This article describes how to implement another ...

Back in 1991, a computer science student named Linus Torvalds announced on a newsgroup that he was creating a "hobby OS." That hobby was Linux, and today it's much more than a tinkerer's operating ...

If you’ve ever been curious enough to look through your system’s root directory (“/”), you may have found yourself a little overwhelmed. Most of the three-letter directory names don’t tell you much ...

Topic ===== local root exploit in Linux kernel due to bug in brk() system call Problem Description ===== A flaw in bounds checking in the do_brk() function in the Linux kernel versions 2.4.22 and ...

Topic ===== local root exploit in linux kernel Problem Description ===== he Linux kernel has a security flaw that is known as ptrace/modprobe bug: The local attacker can use ptrace and attach to a ...