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I. Tkinter Installation To install Tkinter in Python 3, you need to upgrade the Python version and recompile it!!! 1. System Version and Python Version [root@server1 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.2 (Maipo) Python Version: 2.7.5 2. Introduction to Tkinter (1) Introduction t ...

system log I. Management of System Log cat /var/log/messages ##View the default saved logs 1. Management of log collection service rsyslog /var/log/messages ##Service Information Log /var/lgo/secure ##System login log /var/log/cron ##Timing Task Log /var/log/maillog ##Mail l ...

Copyright Statement: This article is the original work of blogger Xu Songliang. It can not be reproduced without permission. Thank you for your support. QQ:5387603 Catalog First, source code I. Introduction to python Second, the construction of development environment Third, original basic source code Fourth, the results ...

Common Modules (3) logging module The information contained in the log should be accessed by a normal program, and may be output with information such as errors, warnings, etc. python's logging module provides a standard log interface through which you can store logs in various formats. Logging logs can be divided into five levels: debug (), in ...

The basic principle behind Session is that the server maintains the information of each client, and the client relies on a unique Session ID to access the information.When a user accesses a Web application, the server creates a new Session using the following three steps as needed: Create a unique Session ID Open the data storage space: Usuall ...

Life goes on, go on!!! Once, I wrote this blog and introduced the use of archive/zip: The Way to Go zip zlib gzip zlib is a data compression library designed to handle simple data regardless of the source. Gzip is a file compression tool (or a compressed file format generated by the compression tool), which is designed to handle individual ...

RHEL7 and CentOS7 provide three command line modes to set and display dates and times. Time datectl is part of the newly added system D in RHEL7 and CentOS7. Date is the traditional date and time setting command. The hwclock unit accesses the hardware clock. I. Time datectl [root@Geeklp-Administrator ~]# timedatec ...