PostgreSQL 清理无用归档日志

pg_archivecleanup -d $PGDATA/pg_xlog 000000140000431A0000001A会删除所有早于000000140000431A0000001A的归档日志 PG维护 select pid ,(now() - xact_start) as time , state,query::char(120) from p...

selenium截图网站页面

from selenium import webdriver from selenium.webdriver.chrome.options import Options def get_image(url, pic_name): # chromedriver的路径 chromedriver = r"C:\Users\xx\Downloads\chromedriv...

mongodb 备份恢复

导出库 mongodump -h 192.168.3.26 --port 8635 -u user -p 'xxxx' --authenticationDatabase admin -d timedtask -o mongodb-arch-backup2020/ mongodump备份还原数据库 mongorestore -h 192.1...

Cnetos7升级内核

#cat /etc/redhat-release #uname -a 导入public key #rpm --import //www.elrepo.org/RPM-GPG-KEY-elrepo.org 安装ELRepo到CentOS 可以去//elrepo.org/tiki/tiki-index.php选择要安装的ELRepo To i...

django(一)

创建django项目 django-admin startproject mysite 让我们看看 startproject 创建了些什么: mysite/ manage.py mysite/ __init__.py settings.py urls.py...