Posts about Linux-howto

  • How to extract and disassemble a Linux kernel image (vmlinuz)

    This blog post explains how to extract and disassemble a Linux kernel image. It will cover the extract-vmlinux script, how to use objdump, and how to use /boot/System.map to locate functions and other symbols. Store Deb, RPM, RubyGem, and Python packages, free. Sign up! Extracting the Linux kernel image (vmlinuz) First, you’ll need to...

  • strace cheat sheet

    strace traces system calls and signals and is an invaluable tool for gathering context when debugging. This cheat sheet will show a few useful ways of using strace, how to filter the output, and summarize some of the more useful commands line arguments that strace accepts. strace PTRACE_TRACEME EPERM (Operation not permitted) You should...

  • Use alien to convert Deb to RPM (and RPM to Deb)

    Alien is a command line tool that allows you to convert Debian packages to RPM packages, and vice versa. This blog post will illustrate how to convert a Debian package to an RPM and similarly, how to convert an RPM package to a Debian package. Installing Alien Installation on Debian systems alien can usually...