I would like to control a few web sites using a UI to start and stop them, changing the ports that the different web server’s listen to. PM2 is a command line utility to manage node sites, but does not have a user interface that I can supply my customer. How can I run a node.js web site from within
Tag: linux
Echo only valid user
Bash newbie question: I’d like to have this script echo out only users from a given list that are valid user IDs, and not echo the invalid ones. Here’s what I have so far: Instead, it is echoing out the results of ‘id’ as well as the text “is not valid user ID” Ideally, it&…
Unable to start uiautomatorviewer on Ubuntu
I am trying to start uiautomatorviewer from default sdk installed location using terminal (Ubuntu 16) : and I am getting an error as below : Error Till yesterday things are working fine for me . So , far I tried looking into the post unable to start uiautomatorviewer but what I am getting is a different error…
grep command in linux using ” in regex
I have the following linux cmd: The text i have is the following: Of course the output i want to have is: Why dont i have the correct output? Because of the ” required by the grep which mix with ” in my text? How to fix it? Answer You could use the following regex: Original poster provided a regex
fopen() returns inavlid argument when writing on SD card?
I’m trying to write a file on SD card if it’s inserted into the kit. Otherwise, the file should be written to the current directory of the project. I can write the file in the project’s directory without any problems. However, when I try to write it on the inserted SD card, it returns Invali…
Directus custom filter/search with python machine learning
I want to implement my own filter in directus based on python machine learning. User posts a message/question to the Server Directus save the message/question at this moment, a python script search for similar message/question (machine learning) Directus answers with the answer found by the python script Is t…
bash: string value based entries filtering
I have this check in my script: It is writing lines that contain contact* from one file to an array. How can I add another check that will skip the xi* values in that line and write it in the array? I tried something like: But it is not working for me. :/ Answer The first file looks like this:
I don’t have permission for editing www-data:www-data files [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack …
How does linux calculate numa distance between two numa nodes ( internal logic of any numa library such as libnuma..etc )?
I tried to go through the numa_distance() and other related functions (From the 1st link ), But couldn’t understand. I am just trying to understand how linux calculates the NUMA distance between two nodes when this distance is said to vary based on architecture and NUMA interlink. I referred following l…
Getting 32 bit Centos docker image
I was trying to run 32 bit Centos in container: Inside container I run command uname-a in order to know it is 32 bit. Got output: According to my understanding it is 64 bit version and not expected 32 bit one? What I do wrong while getting 32 bit Centos? Answer Containers share kernel with the host system. Th…