execute command

Often when writing a shell script, you will encounter a different user to execute the relevant commands, the way to simply note: 1. Execute a single command: su-user-c "command" For example, the following command is to create a test123 directory

We are using Linux development process, often need to jump between different servers, through SSH, each need to enter the password, more cumbersome, today from the Internet to find the relevant methods, but the experimental process found that there

Recently busy learning Python, see a Paramiko module, seemingly very powerful, learn to write a small program, you can log on to Linux directly under Windows, execute and return execution results. The following is directly attached to the code: #!

Method One: Cut command#ifconfig eth0|grep ' inet addr ' |cut-d ":-f2|cut-d" "-f1192.168.1.11Method Two: awk command1. Use the awk command two times#ifconfig eth0 |grep ' inet addr ' |awk-f ': ' {print $} ' |awk ' {print $} ' 192.168.1.112. Use the

A xp_cmdshellEXEC Master.. xp_cmdshell ' ipconfig ' Open xp_cmdshell: --To allow advanced the options to be changed. EXEC sp_configure ' show advanced options ', 1 Go --To update the currently configured value for advanced

1. What is SSH SSH is a security protocol based on the application layer and the transport layer. SSH is currently a more reliable protocol for providing security for Telnet sessions and other network services. SSH is the standard configuration for

Today, my company colleagues came to me and said that I was going to execute the Python script on the server with another user, but it was always done by the root user in the crontab, so I thought of a lazy way to use the shell script to switch to

Today in Redis, execute the setrange name 1 Chun command times with the following error message:(Error) Misconf Redis is configured to save the RDB snapshots, but was currently not able to persist on disk. Commands that may modify the data set is

1. pseudo-distributed installation1.1 Modify IP(1) Open the virtual network card of VMware or VirtualBox(2) Set the network connection mode to host-only in VMware or VirtualBox(3) In Linux, modify the IP. There is an icon in the upper corner,

Author: huaqing visionary lecturer In the raspberry system, there are a lot of ready-made drivers and resources, although this is far from suitable for most of the design use, so in the use of certain devices, you need to write or modify some of the

Document directory 2.2.1 concurrency consistency 2.2.2 solutions to concurrency consistency problems 2.2.3 transaction isolation level 2.2 SQL Server 2000 + ADO. Net concurrency control 2.2.1 concurrency consistency Common concurrency

 1. Concurrency consistency Common concurrency consistency problems include: Lost modifications, non-repeated reads, dirty reads, and Phantom reads (Phantom reads are often classified as non-repeated reads in some materials ).1.1 lost

Document directory 2.2.1 concurrency consistency 2.2.2 solutions to concurrency consistency problems 2.2.3 transaction isolation level 2.2 SQL Server 2000 + ADO. Net concurrency control 2.2.1 concurrency consistency Common concurrency

Document directory 2.2.1 concurrency consistency 2.2.2 solutions to concurrency consistency problems 2.2.3 transaction isolation level From http://www.cnblogs.com/zhenyulu/articles/330494.html The complete code of this part can be downloaded

Redis master Copy This chapter describes a powerful feature of Redis – Master-slave replication. A master host can have multiple slave from the computer. And a slave from the machine can also have multiple slave from the machine. This continues to

 1. Data Structure of the page table Page number Flag Primary storage block number Modify bit External Store address Struct pageitem {unsigned pageid; // The Job page number unsigned outmaddr; // The address bool state

Source Address: Https://github.com/google/snappyDownload git clone https://github.com/google/snappy compile into the snappy source directory, execute the command:./autogen.sh Error "./autogen.sh:line 3:aclocal:command not found"

Software used in the lab development environment:[[email protected] local]# llTotal320576-rw-r--r--1Root root52550402Mar6 Ten: theapache-flume-1.6. 0-bin. Tar. GZdrwxr-xr-x 7Root root4096Jul the Ten: $flumedrwxr-xr-x. OneRoot root4096JulTen

This example for you to share the MySQL 5.6.17 installation tutorial simple version, for your reference, the specific content as follows 1.linux version mysql download (not recommended under 5.7, installation of the various bugs Ah, 5.6 is the best)

One: Two computers to do the experiment 1: Server Redhat Enterprise 5 ip:192.168.1.112 2: Client Redhat Enterprise 5 ip:192.168.1.113 3: The server and the client can ping each other Second: The server configuration is as follows 1: In