The following struct is defined in the Linux system header file /usr/include/sys/inotify.h: Please note the last field name, which is a zero-length array. C++17 does not support zero-length array, so, if using struct inotify_event in a C++17 project and compiling it with -pedantic, a compiler warning should b…
Xinetd server connection refused
I’m using xinetd on Fedora. I put a file called telnet inside the etc/xinetd.d folder with the following content: I know xinetd is running because when I do service xinetd status it says active (running). When I do netstat -nltp nothing seems to be running on port 23 and ‘telnet localhost’ r…
Creating Apache web server on Ubuntu with Connexion/Flask and public IP address
I am trying to run a simple python server with REST API and Connexion/Flask built in on a remote Linux server (binding to the server public IP address) using Apache. (Server is running Ubuntu 16.04.5 LTS, python code was written in Python 3.7) Here are some files for the server implementation: server.py: swag…
Copy fails in bash script even when I use `/bin/cp` and chmod 777 on the file
I wrote a bash program to setup new Debian install’s…. but I can’t figure this problem/error out…… I can’t get it to copy a .bashrc file to a new users /home directory even with 777 permissions. Here are the declarations and setting of the variables: Here are the files the …
How to connect Azure Web App througt a Hybrid Connection to Oracle Linux
I was looking for the way to connect my Azure Web App using a hybrid connection to my On Premise Database server, Oracle Linux. Any suggestions? greetings. Answer Unfortunately, Hybrid Connection Manager does not Support for Linux. The Hybrid Connections feature requires a relay agent in the network that host…
Java 8 gradle script causing kernel panic
I have an issue where Java 8 and Gradle are causing Linux VMs to crash. Here’s the interesting part: Java 7 does not result in this behavior. We’ve also tried enabling stacktrace and debugging, but the machine panics before any debugging/stack output. Kernel Panic – not syncing: Fatal except…
How to offload computation to openstack(via devstack) installation in virtualbox?
I have an OpenStack installation in my laptop running in VirtualBox windows. I want to access it from my android client and send some computational queries and retrieve the response. I know all about hotspot and networking, Just tell me about the OpenStack setup part and how the client will connect to it i.e.…
GdkPixbuf change opacity
Is it somehow possible to set the opacity of a of a GdkPixbuf to about 50%? The thing is i am writing in Gtk2 (cannot switch to Gtk3!) a filebrowser widget (for a remote file transfer) and I want the icons of the files to be 50% transparent if the file is hidden. I get the icon using GFileInfo and
eth0 (modem usb) and wlan0 (wifi module) interconnection
I’m trying to either make a bridge between eth0 (Usb modem) and wlan0 (Wifi Hotspot) or route all traffic from wlan0 to eth0. Procedure: Bridge won’t be successful if the interfaces already have an ip. Create the bridge and add the network. Start the wifi hotspot. At this point I can see the netwo…
Strange file permission in docker container (question marks on permission bit and user bit)
I write a Dockerfile and docker-compose.yml to build a custom image which combines beakerx and cling, which contents are below. and Some logs of docker-compose build were But When I run docker-compose up -d, I got PermissionError: [Errno 13] Permission denied: ‘/home/beakerx/.local/share’ error. S…