Jenkins-1 on Ubuntu 18.04 Install Java: sudo apt install default-jre (This is not good, as this will install J) Go to Jenkins.io to download Generic Java Package (jenkins.war) file. java -jar jenkins.war However, Jenkins will not start up correctly because of an incorrect Java version. If you look in /var/log/jenkins/jenkins.log, the following error message will be ... [Read more/更多...]
SSH and VNC Server setup on Ubuntu 18.04 LTS Install SSH SSH by default is not installed after system setup. Follow this link to install it: https://linuxconfig.org/enable-ssh-on-ubuntu-18-04-bionic-beaver-linux. Here I put my steps from that post: In order to enable ssh on Ubuntu Linux, we first need to perform an SSH package installation. Open up terminal and enter ... [Read more/更多...]
Docker registry Basic docker architecture:
Dockerfile Create a Dockerfile in one folder with name "Dockerfile" Edit this file with below contents: FROM alpine:latest MAINTAINER Chuantao CMD echo "Hello Docker!" Run this command to build a new docker image locally: docker build -t hello-docker . -t: Name and optionally a tag in the ‘name:tag’ format. So above command will create a docker ... [Read more/更多...]
Docker memo This memo contains the following items: Docker installation from Repository Post operation after docker installation Basic docker operation commands Docker installation from Repository in Ubuntu 18.04 LTS There are several ways to install docker. I followed its official one here: https://docs.docker.com/install/linux/docker-ce/ubuntu/#install-using-the-repository Install using the repository Before you install Docker CE for the first ... [Read more/更多...]
There is one wp plugin to support latex. Mathjax. \(i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right>=H\left|\Psi(t)\right>\) 例如\(\alpha+\beta\geq\frac12\)的输出结果是 \(\alpha+\beta\geq\frac12\) 使用\(...\)输出「行内公式」，例如\(\alpha+\beta\geq\frac12\)的输出结果是：\(\alpha+\beta\geq\frac12\) 使用\[...\]输出「行间公式」，例如\[\alpha+\beta\geq\frac12\]的输出结果则是：\[\alpha+\beta\geq\frac12\] 在公式最后添加「!」可输出公式源代码，如\(\alpha+\beta\geq\frac12!\)将输出：\(\alpha+\beta\geq\frac12\)!