security vulnerabilities or hacks otherwise.
Update the Docker image
Once the "image is" downloaded into the host machine, "Next step" to update a particular Docker image are to create a Conta Iner using it.
Then the required modifications can be done in the container and
registry runtime for the first time. Then, you can find the private repository under/data/registry, check my local image here[Root @ docker data] # docker imagesREPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZEDocker. io/registry latest ddfbba49d0b6 21 hours ago 423.6 MBDocker.
container into the shell based on the CentOS image you just downloaded.1) Run the container and enter the container's shell interface# docker Run-i-T Docker.cn/docker/centos:centos6/bin/bashNow that we have entered the shell interface of the container, this is the shell of the CENTOS6 system that we downloaded.Here is the installation of the LNMP environment in
-keygen-q-N ""-T rsa-f/etc/ssh/ssh_host_rsh_key R UN Sed-ri ' s/session required pam_loginuid.so/#session required pam_loginuid.so/g '/etc/pam.d/sshd RUN mkdi R-p/root/.ssh chown root.root/root chmod 700/root/.ssh #上面几行都是配置ssh登录目录和登录验证的, while SSH is installed in base imag E centos7-base (-i openssh-server-i openssh-client) expose #开端口 RUN echo ' Root:redhat ' | CHPASSWD #重置root密码为redhat RUN yum Install tar gzip gcc vim wget-y ENV LANG en_US. UTF-8 ENV lc_all en_US. UTF-8 cmd/usr/sbin/sshd-d #
) View image# Docker ImagesOK, you can see that the CentOS image has been downloaded.Blob.png3. Running the containerRun a container into the shell based on the CentOS image you just downloaded.1) Run the container and enter the container's shell interface# docker Run-i-T Do
启docker服务Finally log off and log back on to the system.
Second, Docker common commands Docker--help Docker run--help use a similar notation to see Help for subcommands Exit exit container Docker Run-it BusyBox Start a new container instance for BusyBox mirroring
@centos7 scripts]# vim createimage.sh then turn https://github.com/dock Er/docker/blob/master/contrib/mkimage-yum.sh the content in the file [Root@centos7 scripts]# chmod +x createimage.sh Create Image [ Root@centos7 scripts]#./createimage.sh Centos7base After successful creation, view and delete the currently running container [Root@centos7 tmp]# Docker imag
Install yar in php7 to generate a docker image, yardocker
Docker contains three concepts:
(1) Remote repository is the gathering place of all images in the remote image repository (you cannot enter the operation ).
(2) Local images are images pulled from remote warehouses.
(3) A running local
List ImagesList all local Docker image# docker Imagesrepository TAG IMAGE ID CREATED VIRTUAL sizecentos centos6 25c5298b1a36 2 weeks ago 215.8 MBAs you can see, repository is the
partition to the/var/lib/docker, and set the boot auto mount.
Mount/dev/vg_home/lv_docker/var/lib/docker
vim/etc/fstab
---
/dev/vg_home/lv_docker/docker_data ext4 defaults 0 0
----
F. Detect if Docker is available and data is complete
Docker images
G. Uninstall the temporary mount point after confirming th
I spent a few days on the official website and learned a little about docker. Prepare to build a company's development and testing environment, including Java and python.Environment Introduction
First, describe my environment
2 physical servers (hereinafter referred to as hosts)
The configuration of host a is as follows:
[[emailprotected] ~]# lsb_release -aLSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd
The Docker image is the base of the container, and when you execute the Docker run it says to Docker which mirror I need now. If you do not have this image on your Docker host, Docker w
-fpm-group=www--with-libdir=lib64--enable-ftp-- With-imap--with-imap-ssl--with-kerberos--with-gettext--with-xmlrpc--with-xsl--enable-opcache--enable-fpm-- Enable-xml--enable-shmop--enable-session--enable-ctype--with-iconv-dir--with-iconvNote: There is a problem self-Baidu.(4) Make make install(5) Preparing the PHP configuration fileCP Php.ini-production/etc/php.iniCd/usr/local/php/etcCP Php-fpm.conf.default php-fpm.conf(6) Modify the configuration file;d aemonize = yes to
There are two ways to make a Docker image.First, use the Docker commit command to make a docker image1. Pull a centos6.6 base image and run a Docker container, then customize it (install, configure the service, etc.);
[email protected] ~]#
, . indicating the current directory;
Workdir specify working directory;
Run indicates that a program is running, followed by parameters;
EXPOSE indicates that a port number of Docker is exposed so that the host communicates with the container;
ENTRYPOINT Specifies the entry point, the first is the program, followed by the parameter.
Start building?If you haven't installed Docker yet, c
Today we'll learn how to create a Docker image interactively with a docker image. When we start a Docker process from the mirror, Docker acquires the image and its parent
Last night using Dockerfile to generate a mirror, cut off the network, leading to images repository appearance His name and tag are all for none.Error message:Failed to remove image (BCEAAE03D0EA): Error response from daemon:conflict:unable to delete bceaae03d0ea (must be forced )-image is being used by stopped container 31142aabc63cFirst I look at the mirrorThen
Docker is getting more and more popular. If your team is ready to start using docker, private warehouses are essential. First, they can help you speed up pull images from servers, this document describes how to back up open images from a public server to a local private server.
This document uses the ubuntu image in index as an example.Download the ubuntu
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