docker postgres

Found an article on the network http://www.linuxidc.com/Linux/2010-04/25232.htm, as follows: Ubuntu 9.10 under PostgreSQL 8. 4 solutions to forgotten passwords Ubuntu9.10 Next PostgreSQL 8. 4 Solutions to forgotten passwords:1. Edit the pg_hba.conf in the83# IPV4 Local connections:$ host All 127.0.0.1/32Trust[email protected]:/etc/postgresql/8.4/main$ sudo vim pg_hba.conf[email protected]:/etc/postgresql/8.4/main$ sudo/etc/init.d/postgresql-8.4restart* restarting PostgreSQL8.4Database Server2. [

volumedocker runuse -v parameters to create and mount data volumes into the container when using commands. Can be used multiple times to mount multiple data volumes in one runDocker run-d-p–name web-v/webapp training/webapp python app.pyNote: You can use it in Dockerfile VOLUME to add one or more new volumes to the container created by the image.Mount a host directory to a containerDocker run-d-p–name web-v/src/webapp:/opt/webapp python app.pyMount the directory of the host to the container. /s

Statement:Postgres-version 9.2.5* Specific installation methods refer to the following link:1. http://blog.scimpr.com/2014/08/11/ubuntu12-04%E3%81%A7postgresql%E3%81%AE%E5%85%A8%E6%96%87%E6%A4%9C%E7%B4% a2%e3%80%9ctextsearch_ja/* Summary of problems encountered during installation:1. The "Make use_pgxs=1" Command error occurred when the link operation was performedTip: "Pgxs.mk File not found" error, reason, missing reference rpm package.Execution: Yum Install

process them separately according to the various commands of the client.The client initiates the request, and the PG server initiates a postgres access process for that request, which establishes a connection for that client through access. This postgres access process enters an infinite loop, waits for the client to request and pass the service for it until the process terminates, connecting the fracture.

Label:Recently the company requested to back up the database, so we looked up the comparative information. Don't say much nonsense, into the subject. Objective: To regularly back up the Postgres database under Ubuntu, and to pack and upload to the designated FTP server. After finding the information, the workaround: ① Write a backup database, package compression, upload the specified FTP script. ② adds the script to the Ubuntu scheduled Tasks crontab.

Docker-2 learn more about docker, docker-2dockerDockerBasic concepts of images, containers, and warehousesImages A Docker image is a read-only template.For example, an image can contain a complete CentOS operating system environment where only httpd or other applications are installed. Images can be used to create

Label:1. Switch to Postgres user;2. Enter: Psql, enter the client psql of PostgreSQL;3.\l View all the current databases;4.psql Database1 connected to database1 this database;5. \dt View all the tables of the currently connected database (DATABASE1);6. \d Table1 View the table structure of table table1;Also: Modify a user's password in ubuntu:1. Switch to the root account;2. passwd account name;3. Follow the instructions, enter a new password, complet

Label:Excerpt from: http://www.cnblogs.com/yjf512/p/4402096.html The view in Postgres scans the sub-table when it is queried, while materialized views actually save the data in a single table. Materialized views are something that is only after 9.3. Create a View CREATE OR REPLACE VIEW student_view asselect *from student left JOIN teacher on= teacher.id; Create a materialized view CREATE VIEW student_view_m asselect *from stud

1. Save Excel as a CSV2. Open CSV format with TXT3. Encoded in UTF-8 format, save as Blacklist20141231.csv4. Create a tableCreate table backlist_20141231 (date varchar (20), mobile number nvarchar (20), channel nvarchar (50));5. Using the Copy command, copy backlist_20141231 from ' D:/blacklist20141231.csv ' delimiter as ', ' csv quote as ';This error, is not carefully caused, from ' D:/blacklist20141231.cs ' should be from ' d:/blacklist20141231.csv '; change it.6. Now the encoding format or GB

Tags: Linux shell postgresIn the work often to develop and test import and export some test database, so wrote a script for easy operation.The company is currently using the postgres9.3 database.#!/bin/bash #定义一些变量和操作命令 dbs= "DB1NBSP;DB2NBSP;DB3NBSP;DB4" Expdb_cmd=/usr/pgsql-9.3/bin/pg_dump DBCMD=/usr/ Pgsql-9.3/bin/psql dbuser=postgres dbsvr=mydbhost1 #导出数据库 functionexportdb () {read-p " inputdatabaseusernametoexport: "srcdb read-p" inputexportpath:

After postgres8.3, the default transitions between field data are canceled. If a data transformation is required, in the Postgres database, we can use "::" To convert the field data into a type. The actual "::" is called by the cast function. exactly what fields can be converted between data? This problem can be answered only by studying the cast function. The information of the cast function is managed in the System Pg_cast table. through the query

://example.com/postgres-$PG _version.tar.xz | tar-xjc/usr /src/postgress ... ENV path/usr/local/postgres-$PG _major/bin: $PATH1 2 3 4 7, ADDFormat is ADD. This command copies the specified to the container. This can be a relative path to the directory where Dockerfile is located, a URL, or a tar file (automatically unzipped to a directory). The 8, COPY The format is COPY. Copies the local host's (the relat

to the volume, it will not be deleted. Data container A common usage scenario is to use a pure data container to persist a database, configuration file, or data file. The official documentation is explained in detail. For example: $ docker Run--name dbdata postgres echo "Data-only container for Postgres" The command will create a

Docker InspectEstimated reading Time:2 minutes Description Return low-level information on Docker objects Usage Docker inspect [OPTIONS] name|id [name|id ...] Options Name, Shorthand Default Description --format, F Format the output using the given go template --size, S False Display Total Fil

Docker learning Summary-Comparison of features between Docker and Vagrant The following content is discussed in stackoverflow by Mitchell Hashimoto and Solomon Hykes. In this case, the two parties have elaborated on the characteristics and scope of use of vagrant and docker, which makes sense for a deep understanding of vagrant and

Label:I/O optimization1 Opening NoatimeMethod: Modify/etc/fstab2 adjusting pre-readMethod: View sudo blockdev--GETRA/DEV/SDASet sudo blockdev--setra 4096/dev/sdf (4,096 sectors, or 2M)3 Adjusting Virtual memory parametersA method: View Cat/pro/sys/vm/wappinessSet vi/etc/sysctl.conf add Vm.swappiness=0 vm.overcommit_memory=2 (0 heuristic policy, total success of 1 calls, total failure of 2 calls)Effective sysctl-pB Method:4 Write Cache Optimizations5 adjusting I/O schedulingI/O optimization of th

[Docker discussion]docker not everything, and you don't have to deploy everything on Docker.When I read an article "running and upgrading a MySQL server in a docker container": https://intercityup.com/blog/running-upgrading-mysql-server-docker/After that, I don't think Docker