network config on centos

本文详细介绍了如何在Linux系统中编辑网络配置文件、设置主机名、定义默认网关及DNS服务器地址,确保网络服务正常运行。

 

edit /etc/sysconfig/network-scripts/ifcfg-eth0 (first network card, ifcfg-eth1 is the second)

 

DEVICE=eth0

BOOTPROTO=static

IPADDR=192.168.3.110

NETMASK=255.255.255.0

ONBOOT=yes

DHCPCLASS=

 

edit /etc/sysconfig/network

 

NETWORKING=yes

HOSTNAME=xxx

GATEWAY=192.168.3.1

 

edit /etc/resolv.conf

 

nameserver 8.8.8.8

 

/etc/init.d/network restart

内容概要:本文介绍了一个基于Matlab的综合能源系统优化调度仿真资源,重点实现了含光热电站、有机朗肯循环(ORC)和电含光热电站、有机有机朗肯循环、P2G的综合能源优化调度(Matlab代码实现)转气(P2G)技术的冷、热、电多能互补系统的优化调度模型。该模型充分考虑多种能源形式的协同转换与利用,通过Matlab代码构建系统架构、设定约束条件并求解优化目标,旨在提升综合能源系统的运行效率与经济性,同时兼顾灵活性供需不确定性下的储能优化配置问题。文中还提到了相关仿真技术支持,如YALMIP工具包的应用,适用于复杂能源系统的建模与求解。; 适合人群:具备一定Matlab编程基础和能源系统背景知识的科研人员、研究生及工程技术人员,尤其适合从事综合能源系统、可再生能源利用、电力系统优化等方向的研究者。; 使用场景及目标:①研究含光热、ORC和P2G的多能系统协调调度机制;②开展考虑不确定性的储能优化配置与经济调度仿真;③学习Matlab在能源系统优化中的建模与求解方法,复现高水平论文(如EI期刊)中的算法案例。; 阅读建议:建议读者结合文档提供的网盘资源,下载完整代码和案例文件,按照目录顺序逐步学习,重点关注模型构建逻辑、约束设置与求解器调用方式,并通过修改参数进行仿真实验,加深对综合能源系统优化调度的理解。
### CentOS 7.6 Server Configuration and Management #### Installing Software Packages on CentOS 7.6 For installing software packages like Docker, Redis, MySQL, Nacos, RabbitMQ, Nginx, and Jenkins within a CentOS 7.6 environment, specific steps must be followed to ensure proper installation without errors. To add the official Docker repository before proceeding with installations can involve using `yum-config-manager` as shown below: ```bash sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo ``` This command allows viewing all available versions of Docker from the repository and selecting a particular version for installation[^3]. #### Configuring DNS Settings Editing `/etc/resolv.conf` is essential when configuring DNS settings on CentOS 7.6. This involves specifying preferred name servers which help resolve domain names into IP addresses. An example entry would look like this: ```bash nameserver 114.114.114.114 ``` Such configurations are typically managed through NetworkManager but may also require manual editing depending upon network requirements[^2]. #### Troubleshooting Common Issues During Installation When encountering issues during service startup, such as missing dependencies causing failures (e.g., starting NGINX), it's important first to verify library presence or install necessary RPM files directly via commands similar to these: ```bash rpm -ivh pcre2-10.23-2.el7.x86_64.rpm yum install pcre2 ``` These actions address potential dependency problems that could prevent services from running correctly after setup attempts fail due to unresolved symbols or other runtime errors[^4]. #### Java Environment Setup Setting up a Java development kit (JDK) specifically version 1.8 requires adherence to detailed procedures ensuring compatibility across applications hosted under CentOS environments. Properly setting JAVA_HOME paths post-installation ensures smooth operation especially concerning application frameworks requiring explicit JVM specifications[^1].
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