openSSH https://help.ubuntu.com/lts/serverguide/openssh-server.html…

在这篇文章中.我们将介绍Ubuntu OS的Runtime Environment.在文章"App confinement: Security policy for click packages"中,我们看见它里面有介绍一个应用的runtime环境.这里,我们通过一个样例来显示一个应用的runtime环境究竟是如何的. 在这里我们能够參阅我曾经的文章"在Ubuntu上的C++及QML混合编程",我们下载文章中的例程: bzr branch lp:~liu-xiao-…

How to Fix Broken Packages in Ubuntu By Nick Congleton – Posted on Jan 11, 2019 in Linux   Apt, Ubuntu’s package manager, is among the most powerful and intuitive, but that doesn’t mean that things can’t go wrong. Occasionally, a package install goes…

1.生成ssh key: ssh-keygen -t rsa -C “email@sss.com” 此时,在~/.ssh/文件夹下会有两个文件, id_rsa 和 id_rsa.pub.分别保存ssh 的密钥和公钥. 2.把id_rsa.pub里面的内容复制到gitlab服务器内个人账号下的ssh_key部分. 3.在本地添加密钥: ssh-add ~/.ssh/id_rsa 若执行ssh-add ....是出现这个错误:Could not open a connection to your a…

success: openjdk version "1.7.0-internal"OpenJDK Runtime Environment (build 1.7.0-internal-westward_2017_03_19_14_20-b00)OpenJDK 64-Bit Server VM (build 24.0-b56, mixed mode)…

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extract a page from a multiple pages pdf 1 extract a page from a multiple pages pdf use pdftk package type the following commands     $ pdftk full-pages.pdf cat 1 output outfile_1.pdf in the above command, input file is full-pages.pdf, you extract pa…

直接执行命令:ufw allow 80 再去修改对应功能配置文件的端口号…

Fix catalyst driver in Ubuntu 13.04 / 13.10(墙外文章备份) 1. Introduction I found lots of people struggling to get catalyst driver work in Ubuntu 13.04. This issue has been persistent for some laptops, ever since Ubuntu 13.04 came out, specially for Intel,…

About Greenplum Database Greenplum Database is an MPP SQL Database based on PostgreSQL.  Its used in production in hundreds of large corporations and government agencies around the world and including the open source has over thousands of deployments…