1. Installing Nginx2. Build a shared directory for Nginx3. Install Createrepo, create a repository4. Client Testing1. Installing NginxYum list |grep nginx # to see if an Nginx package is available yum install nginx-y #Yum installation nginx1.1 If no
MySQL batch replacement is the function we often use, sometimes the station contains sensitive words, will bring us trouble, and in the case of large amounts of information, a piece of the search, modification is unrealistic.With MySQL batch
CyanobacteriaDate: 2018.7.3Foreword this article characteristic
to teach the fishing : Learn the command learning method, use: No longer rote, refuse to aimless;
accurate : All commands are executed through (environment for CENTOS7),
Use of SCRT1, solve garbled problem2, the execution of the command file can be saved in the form of a log3. Adjust your favorite format4. Global options and Session optionsGlobal options apply to all connection Windows, and session options are only
Oracle's BLOB field is special, and he performs much better than a long field, and can be used to save binary data such as a sample.Writing BLOB fields and writing to other types of fields is very different because the BLOB itself has a cursor, you
1 table_exists_action parameter descriptionWhen importing data using IMP, if the table already exists, drop the table before importing.When using IMPDP to complete the database import, if the table already exists, there are four kinds of processing
Operating system level Create directory
[Email protected] ~]# mkdir-p/home/oracle/db_back/
Modify the owning user of the directory, the owning group
[Email protected] ~]# chown-r oracle:oinstall/home/oracle/db_back/
Grant
LS display file or directory-l list file details L (list)-a lists all files and directories under the current directory, including Hidden A (all) mkdir Create directory-P Create directory, if no parent directory, create p (parent) CD switch
Exporting data using a data pump1. Connect to Oracle DatabaseSql> Conn/as SYSDBAis connected.2. Create an Operation directorySql> Create directory Dump_dir as ' E:\dump ';Note You will also need to create this physical directory on your hard disk
A brief description of oracle expdp impdp using the Data Pump expdp. impdp can import and export data on the server side, which is highly efficient without setting the environment variable NLS_LANG, by default, the database will go to the character
File and folder operations-File, Directory, FileInfo, DirectoryInfo, and cfilefileinfo
File and folder operations:
C/S: WinForm can operate the Client file Client ServerB/S: Brower Server
Namespace: using system. IO;
1. File class:
Create: File.
Use the dbms_file_transfer package to copy files between asm and the file system. Use the dbms_file_transfer package to copy files between asm and the file system.
SQL> create directory dgb AS '+ DATA/dbfiles'; SQL> CREATE DIRECTORY loc AS
The length limit for a Linux file name is 255 charactersFully qualified file names under Windows must be less than 260 characters, and folder names must be less than 248 characters.Limitations of the number of Linux items, folders, and file name
Essential commands for Linux 1. file directory class 1. create directory: mkdir directory name 2. delete the empty directory: rmdir directory name 3. delete the subdirectory unconditionally: rm-rf directory name 4. change the current directory: cd
This article mainly introduces about Python3 write simple local file Upload server instance, has a certain reference value, now share to everyone, have the need of friends can refer to
Python is a fun thing to do? Well I casually said, anyway
Create directory: mkdir-p [directory name] Open Directory: cd [directory name] (1) cd ~ Enter the current user's home directory (2) cd-enter the last Directory (3) cd .. enter the upper-level Directory (4) cd. enter the current directory to view the
[Linux] CentOS study Note 2 (command) open the folder: cdfinename create Directory: mkdir/filenamemkdir-p/test/123/111 (multi-level directory) delete directory: rmdir delete directory or File: rm is used to find a life... [Linux] CentOS study Note 2
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