likewise

KERNEL=="ttyUSB[0-9]*",MODE="0666"
KERNEL=="ttyACM[0-9]*",MODE="0666"

SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", ATTRS{serial}=="887301250090", SYMLINK+="ttyUSB%E{ID_USB_INTERFACE_NUM}-RFSoC4x2", MODE:="0666"
SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", ATTRS{serial}=="887301250090", ENV{ID_USB_INTERFACE_NUM}=="01", SYMLINK+="ttyRFSoC4x2", MODE:="0666"

SUBSYSTEM=="tty", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", ATTRS{product}=="Lattice HW-USBN-2B Ch", SYMLINK+="ttyUSB%E{ID_USB_INTERFACE_NUM}-Lattice", MODE:="0666"

# You can find the serial number using udevadm info -a /dev/ttyUSBx and selecting the ATTRS{serial} attribute from the output. 

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Dell Display Manager replacement

sudo ddcutil detect

sudo ddcutil -l "DELL U4323QE" capabilities

sudo ddcutil -l "DELL U4323QE" vcpinfo 62
# VCP code 62: Audio speaker volume

sudo ddcutil -l "DELL U4323QE" getvcp AUDIO

likewise

#include <fcntl.h>
#include <linux/hw_breakpoint.h>
#include <linux/perf_event.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>

likewise

/*
 * SPSC Bounded Queue
 * Based on public domain C++ version by mstump[1]. Released under
 * the same license terms.
 *
 * [1] https://github.com/mstump/queues/blob/master/include/spsc-bounded-queue.hpp
 */

#if !defined(__ATOMIC_RELAXED)

likewise

ModelSim Installation issues

Ubuntu 14.xx and above

Ignore this if you have not encountered any issue with the installation and running of ModelSim and Quartus on your system. You are very lucky. (Just Kidding! You have surely had this issue, only sorted.)

Hence assuming you have been following the procedure given in this guide. Most certainly, Quartus will install jsut fine, and so will ModelSim. The issue is in launching due to inappropriate linking etc.

Stage 1

This is the simplest error you would encounter. Navigate to the modelsim_ase folder and run:

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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;

-- show how to steer mark_debug from VHDL top to SystemVerilog module

entity top is
  generic
  (
    pENABLE   : boolean := false;
    pDEBUG    : boolean := false

likewise

rm vivado{,_[0-9]*}{,.backup}.{jou,log}

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Making a UEFI bootable iPXE USB drive

Build the UEFI executable for iPXE

# First we'll clone iPXE
$ git clone git://git.ipxe.org/ipxe.git
# Go into the src directory of the cloned git repo
$ cd ipxe/src
# Compile the UEFI iPXE executable

likewise

`CLOCKED_PROCESS(clk, reset) begin
    `RESET_CONDITION(reset) begin
        state           <= 'x;
        state.a         <= 1'b0;
    end else begin
        state.a         <= data_a;
        state.b         <= data_b;
    end
end

likewise

`ifdef ARCH_ACTIVE_HIGH_RESET
`define _RESET_EVENT(_reset) posedge _reset
`define RESET_CONDITION(_reset) if (_reset)
`elsif ARCH_ACIVE_LOW_RESET
`define _RESET_EVENT(_reset) negedge _reset
`define RESET_CONDITION(_reset) if (~_reset)
`endif