SSL: certificate problem - unable to get local issuer certificate

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# Ubuntu/Debian
sudo apt-get update && sudo apt-get install ca-certificates
sudo update-ca-certificates

# CentOS/RHEL
sudo yum update ca-certificates

# macOS
brew install ca-certificates

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# CA証明書を指定
curl --cacert /path/to/ca-bundle.crt https://example.com

# 環境変数で指定
export CURL_CA_BUNDLE=/path/to/ca-bundle.crt

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// 環境変数でCA証明書を追加
process.env.NODE_EXTRA_CA_CERTS = '/path/to/ca.crt';

// または axios での設定
const https = require('https');
const axios = require('axios');

const agent = new https.Agent({
  ca: fs.readFileSync('/path/to/ca.crt')
});

axios.get('https://example.com', { httpsAgent: agent });

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import requests

# CA証明書を指定
response = requests.get('https://example.com', verify='/path/to/ca-bundle.crt')

# certifi を使用
import certifi
response = requests.get('https://example.com', verify=certifi.where())

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# CA証明書を設定
git config --global http.sslCAInfo /path/to/ca-bundle.crt

# 一時的に検証を無効化（非推奨）
git -c http.sslVerify=false clone https://example.com/repo.git