1
2
3
4
5

sudo yum-config-manager --add-repo https://download.opensuse.org/repositories/home:/Alexander_Pozdnyakov/CentOS_7/
sudo rpm --import https://build.opensuse.org/projects/home:Alexander_Pozdnyakov/public_key
sudo yum update
sudo yum install tesseract 
# sudo yum install tesseract-langpack-deu

1
2

tesseract zlpic1.jpg out
cat out.txt