Linux 登陆 VPS,如何轻松访问你的虚拟服务器

2025-06-23 服务器新闻 阅读 43
󦘖

卡尔云官网

www.kaeryun.com

复制打开官网

随着互联网的快速发展,VPS(虚拟专用服务器)已经成为许多开发者和企业的重要工具,通过 VPS,你可以拥有自己的专属服务器,享受高性能和高安全性,当你第一次使用 VPS 时,可能会遇到一个看似简单却容易让人困惑的问题:如何通过 Linux 登陆 VPS?

Linux 登陆 VPS,如何轻松访问你的虚拟服务器

别担心!本文将为你详细讲解如何通过 Linux 登陆 VPS,让你轻松掌握这项技能。


什么是 VPS?

在开始之前,让我们先明确一下什么是 VPS,VPS,全称为 Virtual Private Server,中文称为虚拟专用服务器,它是一种基于 IANA(Internet Assigned Names Authority)的虚拟化技术,允许你在一台物理服务器上运行多个虚拟服务器,每个虚拟服务器都有自己的操作系统、应用程序和资源。

在 VPS 中运行 Linux 的好处是,Linux 本身就是一个非常稳定且易于管理的操作系统,适合 VPS 环境,Linux 的开源特性使得它在安全性、性能和可定制性方面具有显著优势。


安装 Linux 到 VPS

要通过 Linux 登陆 VPS,首先需要在 VPS 上安装 Linux,这通常需要通过 SSH(安全shell)终端进行,以下是详细的步骤:

生成公私钥对

安装 Linux 之前,你需要生成一个公私钥对,以便在 VPS 上创建用户的账户,使用命令:

ssh-keygen -t rsa -b 4096

运行后,你将被要求输入随机的密码,默认设置通常是安全的,但你也可以自定义。

更新公私钥

在生成公私钥对后,你需要更新公私钥文件,运行以下命令:

ssh-keygen -f ~/.ssh/id_rsa

这会创建两个文件:~/.ssh/id_rsa(私钥)和 ~/.ssh/id_rsa.pub(公钥)。

配置 SSH 配置文件

为了确保SSH安全,你需要配置配置文件,运行:

sudo nano ~/.ssh/sshd_config

在编辑器中,找到以下内容并删除:

User root@vpsPort EnableRootLogin yes

然后保存并退出。

安装 Linux

你可以通过 SSH 登陆 VPS 了,使用以下命令安装 Ubuntu:

sudo apt update
sudo apt upgrade -y

如果需要安装其他 Linux 发版,可以使用相应的安装命令。

登陆 VPS

你可以通过 SSH 登陆 VPS 了,使用以下命令:

ssh -i ~/.ssh/id_rsa VPS-Username@VPS-Port
  • ssh:启动 SSH 服务。
  • -i:指定 SSH 配置文件。
  • ~/.ssh/id_rsa:指定私钥文件。
  • VPS-Username:你的 VPS 用户名。
  • :表示远程连接。
  • VPS-Port:你的 VPS 的 SSH 端口(默认为 22)。

配置防火墙

为了确保 VPS 的安全性,建议配置防火墙,以下是如何配置 VPS 防火墙的步骤:

登陆 VPS

使用之前的方法登录到 VPS。

连接到网络设备

使用命令:

sudo nmcli connect vps0

这会连接到 VPS 的以太网接口。

配置 iptables

使用 iptables 配置防火墙:

sudo iptables -t nat -A POSTROUTING -o vps0 -j MASQUERADE
sudo iptables -A INPUT -i vps0 -p tcp --dport 22 -j ACCEPT
sudo iptables -A INPUT -i vps0 -p tcp --dport 80 -j ACCEPT
sudo iptables -A INPUT -i vps0 -p tcp --dport 443 -j ACCEPT

这些命令允许 SSH(22 端口)、HTTP(80 端口)和 HTTPS(443 端口)连接。

启用防火墙

运行:

sudo iptables -F INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
sudo service iptables save
sudo service iptables restart

访问 VPS

你可以通过浏览器访问你的 VPS 了,以下是步骤:

确定 VPS 的 IP 地址

登录到 VPS 后,可以使用命令:

sudo ping -t 8.8.8.8

或者查看网络属性:

  • 网络设备:VPS-Port
  • 地址:VPS-IP

访问浏览器

在浏览器中输入:

http://VPS-IP:80

或者:

https://VPS-IP:443

输入用户名和密码

在浏览器中,输入:

http://VPS-Username:VPS-Password


安全注意事项

启用防火墙

确保防火墙已经启用,允许SSH、HTTP 和 HTTPS 连接。

定期备份数据

避免将重要数据存储在 VPS 上,定期备份到安全的位置。

避免共享密码

每次登录时,使用不同的密码,不要将 VPS 密码与其他账户共享。

使用安全的连接方式

避免通过未认证的网络或公共 Wi-Fi 连接 VPS。


优化 VPS 的性能

使用自动重启脚本

编写一个脚本,自动重启 VPS 上的服务:

#!/bin/bash
AutoRestart="echo '启动 VPS 上的数据库、邮件服务器等服务。' > /dev/null"
AutoRestart="sudo systemctl restart mysql-server"
AutoRestart="sudo systemctl restart mailman"
AutoRestart="sudo systemctl restart nginx"
AutoRestart="sudo systemctl restart lldp"
AutoRestart="sudo systemctl restart bgp"
AutoRestart="sudo systemctl restart bgp-adj"
AutoRestart="sudo systemctl restart bgp-adj-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport"
AutoRestart="sudo systemctl restart bgp-adj-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport-compute"
AutoRestart="sudo systemctl restart bgp-adj-transport-transport

󦘖

卡尔云官网

www.kaeryun.com

复制打开官网

相关推荐

  • 服务器登录操作记录:维护网络安全的关键要素

    1.1 什么是服务器登录操作记录 简单来说,服务器登录操作记录就是记录了用户在服务器上登录的所有信息。就像你每次用手机登录某个APP,系统都会记下你登录的时间、地点、用的什么设备一样,服务器登录操作记录也是这样,它记录了用户在服务器上的一切登录活动。 1.2 服务...

    0服务器新闻2025-10-19
  • ECS服务器:云计算时代的高性能选择,助力企业数字化转型

    章节一:ECS服务器的基本介绍 1.1 什么是ECS服务器 ECS,全称是Elastic Compute Service,翻译成大白话就是“弹性计算服务”。简单来说,它就是一种云服务器。和咱们平时用的普通服务器不一样,ECS服务器是运行在云端,可以远程访问的。它就像一个...

    1服务器新闻2025-10-19
  • QQ邮件服务器详解:POP3与SMTP服务器的使用与配置

    Hey,朋友们!今天咱们来聊聊QQ邮件服务器的那些事儿。你可能天天用QQ邮箱,但可能对它背后的“QQ邮件服务器”不太了解。别急,我来给你一一分解。 1.1 QQ邮件服务器的定义 简单来说,QQ邮件服务器就是QQ邮箱的核心部分。它就像是QQ邮箱的“大脑”,负责接收、...

    0服务器新闻2025-10-19
  • 虚拟主机网站备份攻略:如何轻松实现数据安全

    在互联网的世界里,虚拟主机就像是我们的家,里面存放着我们的网站和各种数据。那么,如何确保这个“家”的安全呢?答案就是备份。下面,我就来给大家详细讲解一下如何备份虚拟主机网站。 1.1 虚拟主机备份的重要性 想象一下,如果你的网站突然间消失了,或者因为某些原因损坏了...

    1服务器新闻2025-10-19
  • E级服务器CPU:揭秘超级计算机的大脑与未来趋势

    1. E级服务器CPU概述 1.1 什么是E级服务器 提起E级服务器,可能很多人都会感到陌生。简单来说,E级服务器是一种高性能计算服务器,它以E级(Exaflops)的浮点运算能力为标志,是目前全球最快的超级计算机所追求的目标。想象一下,一个E级服务器,它的计算能力相当...

    1服务器新闻2025-10-19
  • 腾讯云免费存储服务器:创业者和开发者必备的云存储解决方案

    1. 什么是腾讯云免费存储服务器? 1.1 腾讯云免费存储服务器的定义 简单来说,腾讯云免费存储服务器,就是腾讯云提供的一种免费存储服务。它允许用户在不花费一分钱的情况下,使用腾讯云的存储资源。这些资源可以用来存放文件、图片、视频等各种数据,非常适合那些刚开始创业或者个...

    1服务器新闻2025-10-19
  • 架构游戏服务器的最佳选择:专用服务器还是VPS?

    1.1. 专用服务器与虚拟私有服务器(VPS)对比 想象一下,你正在为你的游戏搭建一个家园。在这个家园里,你需要决定是买一栋独栋别墅(专用服务器)还是租一套小公寓(VPS)。两者各有千秋。 专用服务器就像是你的私人别墅,拥有独立的土地和设施。你可以随意改造,不用担...

    1服务器新闻2025-10-19
  • 联想服务器驱动下载与安装指南

    当你的联想服务器需要更新或安装新的驱动程序时,别急,我来教你怎么轻松找到它。 1.1 访问联想官方网站 首先,打开你的电脑,打开浏览器,输入“联想官方网站”或者直接访问联想官网。官网通常会有一个清晰明了的导航栏,你可以找到“支持与下载”或者“驱动下载”这样的选项。...

    1服务器新闻2025-10-19
  • 我的世界服务器配置指南:4核CPU是否足够?

    引言 大家好,今天我们来聊聊一个热门话题:4核CPU在搭建我的世界服务器中到底够不够用?相信很多朋友都在为这个问题纠结,毕竟服务器配置对游戏体验有着至关重要的影响。那么,我们先来简单介绍一下这个话题。 1.1 主题介绍 我的世界,一个充满想象力的沙盒游戏,拥有庞大...

    1服务器新闻2025-10-19
  • 手机远程服务器登录指南:方法与注意事项

    1. 手机能登陆远程服务器吗? 1.1 什么是远程服务器 首先,得先弄明白啥叫远程服务器。简单来说,远程服务器就像一个巨大的电脑,它存放在某个地方,而你可以在任何地方通过网络连接到它,就像你在自己家里的电脑上操作一样。这个服务器可以存储文件、运行程序,或者提供各种服务。...

    1服务器新闻2025-10-19

微信号复制成功

打开微信,点击右上角"+"号,添加朋友,粘贴微信号,搜索即可!