Introduction Maintaining security on your system is extremely important, and one approach for this task is to manage access to system services carefully. Your system may need to provide open access to particular services (for example, httpd if you ar…

Introduction The RPM Package Manager (RPM) is an open packaging system that runs on Fedora as well as other Linux and UNIX systems. Red Hat and the Fedora Project encourage other vendors to use RPM for their own products. RPM is distributed under the…

The control of users and groups is a core element of Fedora system administration. This chapter explains how to add, manage, and delete users and groups in the graphical user interface and on the command line, and covers advanced topics, such as crea…

Introduction Modern operating systems distinguish between the following two types of clocks: A real-time clock (RTC), commonly referred to as a hardware clock, (typically an integrated circuit on the system board) that is completely independent of th…

Introduction DNF is the The Fedora Project package manager that is able to query for information about packages, fetch packages from repositories, install and uninstall packages using automatic dependency resolution, and update an entire system to th…

Introduction The system locale specifies the language settings of system services and user interfaces. The keyboard layout settings control the layout used on the text console and graphical user interfaces. These settings can be made by modifying the…

RealVNC是目前功能最全.性能最好的VNC商业软件套件,很多时候为了确保性能和功能的统一,还是大量地在使用RealVNC.最近在Fedora 22工作站上安装RealVNC Server 5.2.3最新版,碰到了一些问题,借这个机会,把RealVNC Server的安装.两种服务模式的配置(Server模式和Virtual模式)都基本上弄清楚了,在RHEL/CentOS 6.3/7.0等系统上的安装也几乎与Fedora别无二致.   首先,当然是从RealVNC官方网站下载for Linux…

在同一个硬盘上安装多个 Linux 发行版 以前对多个 Linux 发行版的折腾主要是在虚拟机上完成.我的桌面电脑性能比较强大,玩玩虚拟机没啥问题,但是笔记本电脑就不行了.要在我的笔记本电脑上折腾多个版本的Linux,就得考虑把不同的 Linux 发行版安装到同一个硬盘上.在同一个硬盘上共存 Windows 和 Linux 比较简单,只需要先安装 Windows 后安装 Linux 就可以了,Linux 安装过程中会帮你搞定一切.如果同时安装多个不同发行版的 Linux 会怎样呢?它们会冲突吗?…

在这篇文章中,我们将会学习关于Docker的一些知识,如何使用Docker部署Apache httpd服务,并且共享到Docker Hub上面去.首先,我们学习怎样拉取和使用Docker Hub里面的镜像,然后在一个Fedora 22的镜像上交互式地安装Apache,之后我们将会学习如何用一个Dockerfile文件来以一种更快,更优雅的方式制作一个镜像.最后,我们将我们创建的镜像发布到Docker Hub上,这样以后任何人都可以下载并使用它. 安装并初体验Docker 要求 运行Docker,…

fedora 23中配置nfs-server */--> fedora 23中配置nfs-server Table of Contents 1. 产考资料 2. NFS配置文件 2.1. /etc/exports 2.2. /etc/fstab 2.3. /etc/sysconfig/nfs 1 产考资料 How to Setup NFS (Network File System) on RHEL/CentOS/Fedora and Debian/Ubuntu inistration Guide…