I am Dave Jing Tian, an Assistant Professor in the Department of Computer Science at Purdue University working on system security. My research involves embedded systems, operating systems, and trusted computing. All opinions are my own.
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Tag Archives: fedora
Rowhammer attacks have been well known, and gotten a lot of publications already. However, we notice that most rowhammers happened on x86 architecture due to the easy access to clflush from the user space. ARM architecture (both ARMv7 and ARMv8) … Continue reading
This post follows the “Multics Simulator Instructions” (with some tweaks) to setup Multics simulator dps8m and run Multics on my Fedora 27. Other Linux distro (Ubuntu/Debian/Raspbian) may need some changes but basically work the same way. Experience the cutting-edge secure … Continue reading
After almost 5 hours of upgrading, my server has been successfully upgraded from Fedora 21 to Fedora 24, which uses the latest stable kernel 4.6. There is a online post demonstrating how to upgrade from Fedora 21 to 23 using … Continue reading
Believe or not, Fedora’s release upgrade is always troublesome, partially because of the package management imposed, which is initially designed to ease the update for binaries. After the painful experience from Fedora 19 to 20, I have just gone thru … Continue reading
The most terrible thing a Linux could have may be some errors reported by the file system. It is usually caused by power outages or bad blocks/sectors within the hard drive. Eventually, as a Linux user, you may at least … Continue reading
KVM is based on virtualization instruction set – either Intel vmx or AMD svm, which provides the ability to run the VM directly without emulation or translation. In other words, KVM could only be enabled if it sees vmx/svm in … Continue reading
Even though Fedora wiki has posted some common issues after the system is upgraded into Fedora 20, interestingly, none of them applies the issues I have encountered:( Anyway, this post is for guys who may have a little bit chance … Continue reading