Check file size
du -sh .?* *
Change file permission of ssh folder
chmod 700 ~/.ssh && find ~/.ssh -type f -name '*.pub' -exec chmod 644 {} + && find ~/.ssh -type f ! -name '*.pub' -exec chmod 600 {} + && chmod 600 ~/.ssh/config
Check file size
du -sh .?* *
Change file permission of ssh folder
chmod 700 ~/.ssh && find ~/.ssh -type f -name '*.pub' -exec chmod 644 {} + && find ~/.ssh -type f ! -name '*.pub' -exec chmod 600 {} + && chmod 600 ~/.ssh/config