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Tag: linux
don’t apply current options to new opened file vim
I frequntly open many files in vim. The problem is some files have their own options. For example: settings for make files settings for C files So, if I open makefile first and then :tabe main.c I can see invisble character that were turned on from makefile. I understand that I can :set nolist but imagine if …
How to stop directory listing for angular project in Linux
I have deployed angular 8 project in linux sub domain (web.mydomain.com), but when I am accessing web.mydomain.com directory listing is showing instead of loading website, but when I am accessing http://web.mydomain.com/index.html it is working. Below is the htaccess file looks like : Answer Add following lin…
Azure: Cannot pass or execute a custom data to VM
I want to deploy an Azure Ubuntu 18.04-LTS VM with a custom data file during an automation test, using tmplate.json and parameters.json files. Although, the VM was deployed successfully, It seem that the custom data execution have failed and I do not understand why… According to this link, cloud-init is…
using awk to count the number of occurrences of pattern from another file
I am trying to take a file containing a list and count how many times items in that list occur in a target file. something like: I have coopted the following code to get the values that are present in target.txt: But the output does not include the desired items that are in the liist.txt but not the target.tx…
(Socket operation on non socket) error while trying to receive data on a TCP server
What I want to do is send a message (which I type on the terminal) from the client to the server. I’m getting this error on the server when I try to call the recv() function. As you can see, the client doesn’t show errors. This is the code I’ve written for the server side: I’m confused…
How to check if the IP address that a socket is bound to is still one of the valid machine’s addresses?
Once I call socket(); bind() (with a specific IP address, not INADDR_ANY); listen(), there seems to be no way of determining if the IP address is still a valid address of one of the system’s interfaces. What I looked into using: Checking error with getsockopt(SO_ERROR); Using epoll()-ing on some EPOLLER…
The vboxdrv kernel module is not loaded (Unknown rela relocation – debian buster) [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 can i echo a line containing single quotes?
I want to echo a line containing single quotes but when I am echoing it, the output comes out without the quotes inside that line. I am using this echo rule_files: [ ‘${path.config}/folder/*.py’ ] and the output is rule_files: [ ${path.config}/folder/*.py ] I want the output to include the single …
Save multiple docker images using one command
Currently I am exporting docker images using below command docker save imageName | gzip > imageName.tar.gz docker save mysql | gzip > mysql.tar.gz This command working fine for single image, i have tons of docker images in my local system, want to export. but i don’t know how to export all images …