Learn how the ptrace_may_access bug lets attackers steal root files like SSH keys and shadow file. Find out if your Linux distro is patched.

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...

The 4th Linux kernel flaw this month can lead to stolen SSH host keys ...