It's a binary compiled by C. I wanted to run some code on heap,but I got a segment fault. Then I use gdb to check the binary. It showed the NX was disabled (complied with -z execstack option) and I…
Is it thread safe, when two Goroutines writes to file concurrently by os.File.Write()? According to this question Is os.File's Write() threadsafe?, it isn't thread safe. However, the output file ./test.txt of the following code didn't occur errors. And according to…
I have a ffmpeg process log file in which log data get appended to it daily. I want to do a automatic maintainence of this log by going through the log and deleting lines belonging to a certain date. I…
I can't upload an image more than 2MB in my website form. I have set up the needed settings in /etc/php/7.4/fpm/php.ini: ; Maximum size of POST data that PHP will accept. ; Its value may be 0 to disable the…
Well unluky as I am i had to a hard drive crash and had to reinstall my Linux. I tried to use vs studio code with C++20 but he does not recognize it. Below is my config. { "version": "2.0.0",…
Currently my main project(s) exist out of one configuration process to build a deployment/production server supporting Docker environments, and I've chosen to do it in Bash.. maybe that's bad, but challenging a lot for me. I have build a structure…
I do everything according to the instructions: PHP | "The requested PHP extension bcmath is missing from your system." apt-get update apt-get install php7.2-bcmath I get: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to…
Rails: 6.0.3 Sidekiq: 6.1.2 Ruby 2.7.2 Running on AWS Amazon Linux 2 I'm running a fairly simply Sidekiq configuration on production, and using the boilerplate systemd/sidekiq.service file from the examples directory in the sidekiq repo. I noticed that my workers…
Not sure why docker is so difficult to setup on my cloud vm. I tried to run sudo yum install -y docker But I get the following unknown error: Error: Package: containerd.io-1.4.6-3.1.el7.x86_64 (docker-ce-stable) Requires: container-selinux >= 2:2.74 You could try…
I have written a simple Java Swing application (It shows one image.jpg and a 2 buttons in the JFrame). I have a Linux system that I want this Java Swing application to run on start. I connected to my Linux…