linux tag

403 questions

1 answers
130 views
0

I want to capture communication between others with tcpdump.

This is a very basic question, but I appreciate your cooperation.tcpdump is unable to communicate with other hosts.For example, host1:192.168.1.10host2:192.168.1.20host3:192.168.1.30If this is the IP ...

linux tcpdump

2 years ago

1 answers
145 views
0

How to make CMAKE aware of a package that Ubuntu has built its own source

Download and build FFMPEG by yourself instead of apt-get on Ubuntu 16.04A library such as avcodec that can be created as this product is What should I do if I want to recognize OpenCV's CMAKE the same...

linux ubuntu ffmpeg apt cmake

2 years ago

1 answers
98 views
0

System development environment using OpenCV running on Rasppberry Pi 3 Model B

I would like to develop a system using OpenCV running on Raspberry Pi 3 Model B, but I am not sure how to set up the development environment.I'm not sure if it's easier to program with Raspberry Pi or...

linux opencv raspberry-pi windows-10

2 years ago

4 answers
51 views
0

Proper Locking Method for Accessing Files from Multiple threads

If you are accessing files from multiple threads in C language, please tell me which functions to lock.We have created the following programs:·Thread (1) is written to the file.·Thread (2) is read aga...

linux c

2 years ago

2 answers
117 views
0

About the difference in folder size as a result of copying folders using rsync

When I copied the entire folder to another server using rsync, there was a difference in size and I am troubled.If anyone knows how to solve this problem, I would like to ask you to teach me a questio...

linux ubuntu rsync

2 years ago

1 answers
60 views
0

Information About File Transfer Between 3 Servers

There are three Linux servers, and I would like to transfer files from the source server to the destination server with one server in between.ネットワーク Due to network configuration, the server must be pl...

linux network sh

2 years ago

3 answers
117 views
0

I want to extract something close to the list in a shell script.

There is a list like this.This list is entered from standard input.-062656-072654-082755-1001-1101-1201-130152-1452Then use the date command to get the time and store it in the variable.Then search fo...

linux bash

2 years ago

3 answers
124 views
0

Is there a way to free up the real memory that Ruby's process is holding?

Ruby's scripts are struggling with the phenomenon of keeping memory if it ever gets huge.require 'objspace'array=[ ](1..20).each_with_index do|i| array<<'a'*1000000 puts memsize:#{ObjectSpace.me...

ruby linux c memory-leaks

2 years ago

2 answers
56 views
0

Please tell me why the Docker container can use the host OS kernel.

When I looked at the difference between Docker and VM, I realized that while VM works with OS, Docker containers can use the kernel of the host OS, and other libraries and apps are included in the Doc...

linux windows docker macos

2 years ago

1 answers
42 views
0

linux manjaro18MOZC dictionary tool Japanese words cannot be entered.

environmentVirtual Environment: VirtualBox 6.0.4r128413Host OS: macOS X 10.9.5Guest OS:Manjaro-xfce-18.2.0uname —4.19.16-1-MANJAROwhat someone didAfter installing manjaro, the following is what I did ...

linux

2 years ago

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