serverあれこれ

mkdir dev_opencv
※ディレクトリは適宜変更してください
cd dev_opencv

pipenv --python 3

pipenv install opencv-python

pipenv shell

import cv2

# RTSPのURLは適宜適宜変更してください
RTSP_URL = 'rtsp://xxx.xxx.xxx.xxx:8554/cam'
cap = cv2.VideoCapture(RTSP_URL, cv2.CAP_FFMPEG)
result, image = cap.read()
if result:
    cv2.imwrite("camera.png", image)

python test.py

sudo apt-get update

sudo apt-get -y install minder

cat << EOF > sample.csv
name,entry_date,point
"Doug, White",2022-10-11,1200
"Anne, Greenwood",2022-09-10,2100
"Bob, Kerl",2022-10-11,3000
EOF

mlr --icsv --opprint cat sample.csv
name            entry_date point
Doug, White     2022-10-11 1200
Anne, Greenwood 2022-09-10 2100
Bob, Kerl       2022-10-11 3000

mlr --icsv --ojson cat sample.csv
[
{
  "name": "Doug, White",
  "entry_date": "2022-10-11",
  "point": 1200
},
{
  "name": "Anne, Greenwood",
  "entry_date": "2022-09-10",
  "point": 2100
},
{
  "name": "Bob, Kerl",
  "entry_date": "2022-10-11",
  "point": 3000
}
]

mlr --icsv count sample.csv
count=3

mlr --c2p --icsv sort -nr point sample.csv
name            entry_date point
Bob, Kerl       2022-10-11 3000
Anne, Greenwood 2022-09-10 2100
Doug, White     2022-10-11 1200

mlr --icsv --opprint cut -f name,point sample.csv
name            point
Doug, White     1200
Anne, Greenwood 2100
Bob, Kerl       3000

mlr --icsv --opprint filter '$point >= 2000' sample.csv
name            entry_date point
Anne, Greenwood 2022-09-10 2100
Bob, Kerl       2022-10-11 3000

sudo apt-get update

sudo apt-get -y install feathernotes

espeak-ng -v Annie "Hello, World!"
espeak-ng -v f5 "Hello, World!"

espeak-ng -v Mario "Hello, World!"
espeak-ng -v m3 "Hello, World!"

espeak-ng -v Annie -s100 "How about going for a walk?"

espeak-ng -v Annie -s200 "How about going for a walk?"

espeak-ng -v Mario -g30 "How about going for a walk?"

espeak-ng -v Mario -g5 "How about going for a walk?"

espeak-ng -v Mario -p20 "How about going for a walk?"

espeak-ng -v Mario -p80 "How about going for a walk?"

espeak-ng --voices

espeak-ng -v Japanese -s190 "こんにちわ、さようなら"

espeak-ng -v Annie -w hello_world.wav "Hello, World!"

sudo apt-get update

sudo apt-get -y install wordnet

sudo apt-get update

sudo apt-get -y install xournalpp

sudo apt-get update

sudo apt-get -y install qwertone

sudo apt-get update

sudo apt-get -y install viking

sudo apt-get -y install curl

wget https://repo.percona.com/apt/percona-release_latest.generic_all.deb

sudo dpkg -i percona-release_latest.generic_all.deb

sudo apt-get update

sudo apt-get -y install percona-toolkit

sudo pt-mysql-summary --host localhost --user root --password root

sudo pt-find --host localhost --user root --password root データベース名

sudo apt-get update

sudo apt-get -y install goodvibes

sudo apt-get update

sudo apt-get -y install snapd

sudo snap install shotcut --classic