linux tag

386 questions


1 answers
333 views
0
I want to console every time I receive it on a UDP socket.

Creating UDP sockets in C++.The current one is that the server stores messages in a buffer and displays them all together. I'd like to display them on the console every time I receive them for debuggi...

1 weeks ago

1 answers
347 views
0
Unable to run bash on Docker

I am thinking of creating a machine learning environment using Docker.So I'm trying to build an environment using docker, but I can't run bash well.After running docker-compose up, docker-compose exec...

1 weeks ago

1 answers
295 views
0
About SyntaxError: Unexpected end of JSON input when sending zabbix test mail

On the zabbix web screen, when I tried to send a test email from the media type setting, The following pop-up appears and cannot be sent:SyntaxError: Unexpected end of JSON input Do I need to set it u...

2 weeks ago

2 answers
244 views
0
C question argv using Unix

I'll make a.out using gccFor example, if you enter a.out 10 xyz,After dynamically assigning 10, you want to save the xyz value in argv.After the print is over, if you do the free style, munmap_chunk()...

2 weeks ago

1 answers
272 views
0
How to Pass Ubuntu PATH

I installed python 3 series on Ubuntu, but I just don't know how to use PATH.https://qiita.com/takanemu/items/6027291be8a2a6af9adc or https://www.motokis-brain.com/article/122I am also looking at the ...

3 weeks ago

2 answers
355 views
0
How do I link c++ shared memory in ROS?

I am currently working on developing a test program for ROS using melodic on Ubuntu 18.04, and I am still a beginner, but I am searching for Google.I'm trying to work with the GUI app in shared memory...

1 months ago

1 answers
313 views
0
OpenGApps installation failed

I tried to install OpenGApps (ARM 11.0 pico) on the Raspberry Pie LineageOS 18.1, but it says ERROR:64 and the installation is cancelled.What should I do?

1 months ago

1 answers
241 views
0
Local Host Fails to Initiate Too Many Connections

Lubuntu 20.04 64bitnode.js16.17.1python 3.8.10(1) Using node.js, launch the HTTP server in the http-server package on port 8000 in the appropriate directory.npx http-server --port8000(2) Prepare the p...

1 months ago

3 answers
308 views
0
I want to add headers and footers to a text file with Linux commands.

I would like to process the text file (test.txt) using the Linux command as follows.before processing:--SQLAfter processing:header-- SQLfooterThe following shell scripts did not work:I would appreciat...

1 months ago

3 answers
345 views
0
I want to add headers and footers to a text file with Linux commands.

I would like to process the text file (test.txt) using the Linux command as follows.before processing:--SQLAfter processing:header-- SQLfooterThe following shell scripts did not work:I would appreciat...

1 months ago
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