Programmer Think

Problem description Often swim in the ocean of Linux files, often need to find all the files after a certain time. Maybe you're packing them, or maybe you're just checking. The question is, what do you do if you want to write a script find-newer and put it on the server? target With a command like this, you can fi ...

Case story: during Android App or system testing, it involves abnormal test of network disconnection (in case of no network, whether the App or system prompts normal operation), Networking test (in case of network recovery, whether the App or system prompts to be normal and operates normally). At present, the equipment basically has two kinds ...

If the server is powered off and restarted or restarted within the plan, the database instance and monitoring need to be started manually after the server's operating system is started. This paper introduces how to configure the start and shutdown of Oracle database as a system service, and automatically start / shut down the Oracle instance a ...

What is an os module The os module provides the function interface functions of most operating systems. When the os module is imported, it will adapt to different operating system platforms and perform corresponding operations according to different platforms. When programming in python, it often deals with files and directories. At this time, ...

Simulate the installation of a replica set of MongoDB under a Centos Prepare three profiles: mongod.conf bind_ip=0.0.0.0 port = 27017 dbpath = /usr/local/mongo/data/ logpath = /usr/local/mongo/log/mongod.log fork=true logappend=true replSet=myMongoSet mongod2.conf bind_ip=0.0.0.0 port = 27018 dbpath = /usr/local/mongo/data2/ logpath = /usr/loc ...

0 guidance Objective: to master the ability of using 3D effect to express scientific and engineering data Spread an idea: visualization technology is the eye of data Content organization: Scalar visualization and vector visualization of fluid data Visualization example of 3D scanning data (model / terrain) 3D Earth scene visualization example ...

demand At present, the network of a company's live broadcast is unstable, resulting in the live broadcast exception. The original solution is to manually find the exception, and then manually switch the network (4G hotspot), but it has a great impact on the business. The first solution is to upgrade the company's network (dif ...

Upgrade Python View system version cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) View Python version python -V Python 2.7.5 Installing Python 3 Install all development kits yum groupinstall "Development tools" -y yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel -y Download the latest python install ...

1, Create ssh key of gitee and github cd ~/.ssh ssh-keygen -t rsa -C "xxxxx@xxxxx.com" Replace the correct mailbox, press enter Generating public/private rsa key pair. Enter file in which to save the key (/c/Users/FlyingHorse/.ssh/id_rsa): id_rsa.gitee Enter id_rsa.gitee when creating the ssh key of gitee and id_rsa.github when creating th ...

Written in front I thought I would never use smokeping again, but I was wrong. According to the last use for about half a year, it's usually used once for sex and again this time. I totally forgot to clean it. Then start install apt-get -y install smokeping Configuration service For the configuration of the Web server, refer to the above Ru ...