9 More Discussions You Might Find Interesting
With a little bit of work, was able to build a nice "Wuhan Coronavirus Status" app using MQTT and the IoT-OnOff app. More on this technique here:
ESP32 (ESP-WROOM-32) as an MQTT Client Subscribed to Linux Server Load Average Messages
The result turned out nice, I think. I like the look and... (10 Replies)
Discussion started by: Neo
2. UNIX for Beginners Questions & Answers
Recently, I setup a dual boot on this PC. I can currently jump from Ubuntu 12.04 and 16.04. What I would like to be able to do is access the home directory of my 16.04 OS from within the 12.04, is that possible? I can mount the partition of the hard drive where 16.04 lives from within 12.04 but it... (4 Replies)
Discussion started by: Circuits
3. UNIX for Dummies Questions & Answers
I was presented a LUN from a storage 85GB.
fdisk -l shows 85GB space cool
but after I formatted the partition using fdisk and mkfs.ext3 I only get 75GB space available
why is that? why too many GB lost?
thanks a lot (1 Reply)
Discussion started by: karlochacon
What is the simplest function I can use to signal an interrupt from kernel module to user space. I knw the usr app pid in my module.
Also can someone explain the parameters in kill_fasync and send_sig (0 Replies)
Discussion started by: dragonpoint
I'm working on an AMD opteron running Linux 126.96.36.199
I want to preload a module specific register (MSR) with a value to have it overflow after a number of a specific event counts. As I understand, when the counter in the register overflows, an interrupt will be generated and handled by the... (2 Replies)
Discussion started by: mylinuxforums
6. UNIX for Advanced & Expert Users
Hello, I'm searching for a proper way to let the kernel space ISR(implemented in a kernel module) wake up a user space thread on a hardware interrupt.
Except for sending a real-time signal, is it possible to use a semaphore?
I've searched it on google, but it seems impossible to share a... (0 Replies)
Discussion started by: aaronwong
7. UNIX for Dummies Questions & Answers
Well, I don't know where exactly to ask this doubt so I'm asking in the newbie section. I was reading about traps and interrupts when I thought of traps as something that cease the control of the OS from the user and interrupts that cease the control yet provide support for multitasking. Am I right... (3 Replies)
Discussion started by: Legend986
8. UNIX for Dummies Questions & Answers
hey i have been facing a problem,can you tell me if we can catch ctrl d in unix i have tried and sucessfully catched and disabled ctrl-c and ctrl -z but am not sure if we can do the same for CTRL-D, so got any clue mail on he forum or ...i mean c programming in Unix thats what i am working on (1 Reply)
Discussion started by: toughguy2handle
9. Filesystems, Disks and Memory
I'm a freshman here and I have a simple question.
Does unix use interrupts which is like Dos? Are they the same?
Thx.:cool: (6 Replies)
Discussion started by: Frank_M