The new CentOS initial must install system libraries, which can make the system environment run smoo...
Install Pycurl deal some possible problems
In Centos 7 system, Python 3.6 environment, use pip3 install the pycurl modal, may have two problems...
CANNOT OPEN SHARED OBJECT FILE: NO SUCH FILE OR DIRECTORY
This maybe you delete the shared lib file soft link. So must execute a system command to rebuild the...

Zbar parse the qrcode
Python can use zbar lib parse the qrcode information, There shows how to install the zbar lib and py...

Accelerating DNS parsing with pdnsd
Pdnsd is a good DNS parsing software in linux system. Compared with bind and dnsmasq, pdnsd has one ...

Upgrade the yum source for centos system
centos yum source upgrade and common libs and software