Tag: ubuntu

  • How to Attach Additional Block Volume in Oracle Cloud Instance

    How to Attach Additional Block Volume in Oracle Cloud Instance

    As I continued rolling out new features across several services in my infrastructure, I noticed disk space was starting to run low. Fortunately, my Oracle Cloud instance still had some unallocated block volume available, but since I wasn’t too familiar with the Oracle Cloud Console, I had to figure things out as I went. In…

  • How to OSV: Vulnerabilities API, Scanners, and a Bit of Hope

    How to OSV: Vulnerabilities API, Scanners, and a Bit of Hope

    Security vulnerabilities in open-source dependencies are like background radiation, mostly ignorable, until they’re not. Since we are currently working on vulnerability detection research, today, I decided to see how much trouble I could get into by poking around Google’s Open Source Vulnerabilities database and its scanner. Spoiler: not much. But it’s interesting trouble. What is…

  • How to Install the Latest OpenWRT on Arduino Yun

    How to Install the Latest OpenWRT on Arduino Yun

    By the time I am writing this, this might be the first article that tells you how to install OpenWRT on Arduino Yun because no one talks about it. Also, Arduino Yun is already reached its end of life, and the version history is not well documented in each article so I will write it…

  • Problem When Building Old OpenSSL Version on The New System

    Problem When Building Old OpenSSL Version on The New System

    The old OpenSSL seems to have a problem when built using a newer system. I got this problem when compiling OpenSSL 1.1.0f on my Ubuntu 22.04. For example in my case here the problem is in line 17 on Configure file and the line were like this: Some people tried changing the lines with qw/glob/…

  • How to Access SOM9331 Serial Console in Linux

    How to Access SOM9331 Serial Console in Linux

    I got this old hackable mini router board. It comes with OpenWRT but I can’t seem to connect this via USB Serial. It turns out that the driver is not installed. Installation is quick but there is a minor change needed in order to build the driver on a recent kernel. So will write here…

  • How to Enable HTTPS on Your Apache Ubuntu Web Server

    How to Enable HTTPS on Your Apache Ubuntu Web Server

    I thought this is an easy task, but after searching for various ways on the internet, it is not as simple as I imagined. There are many ways to enable HTPPS on your web server depending on what server software is used, the operating system, and where the server is running. In my case, I…

  • How to Run Linux on RISCV in Arty A7-100T FPGA

    How to Run Linux on RISCV in Arty A7-100T FPGA

    It’s been tempting for me to try running open-source software on top of open-source hardware. SiFive provides a bitstream for Arty A7 called Freedom, but it seems that the repository is dead now. The other interesting alternative to try is VexRiscv, and everyone keeps posting about Arty A7 35T while I only have the 100T…

  • Git Pristine: How to Pristine Clean Your Dirty Git Repository

    Git Pristine: How to Pristine Clean Your Dirty Git Repository

    I found this command useful and I love this alias! git pristine, a command that will wipe any dirt on your local git copy, any untracked files, and the cache will be removed to make it pristine clean as the remote origin.

  • How to Install Xilinx using Command Line in Four Steps

    I just got some problem with Xilinx 2020.1 installation on my Pop OS. The installer was stuck and gives me an error message: This seems like the GUI problem on the installer. So let’s just continue using batch mode.

  • How to View .dot Files in Ubuntu

    I was working with LLVM recently to create a callgraph using opt -view-cfg. But unfortunately it doesn’t work. Here is what I got instead: This means there is no application registered for handling .dot files. Even if I already installed graphviz. Solution is, install xdot. sudo apt install xdot Now you can opt -view-cfg to…