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1. 前言
在本教程中，我们将介绍如何在CentOS8或者RHEL8上安装Webmin。Webmin是领先的基于web的开源Linux/Unix系统管理控制面板。
使用Webmin，您可以设置用户帐户，管理Apache web服务器，DNS服务器，samba和文件配置，电子邮件服务器，本地/远程文件系统，软件包管理，管理数据库服务器等。
如何在CentOS8或者RHEL8上安装Webmin
2. 在CentOS8或者RHEL8上安装Webmin
在本节中，我们将讨论在CentOS8或者RHEL8上安装Webmin的两种方法。
但首先，安装Perl和所需的依赖项。
sudo yum -y install @perl
2.1 在CentOS8或者RHEL8上从yum源仓库中安装Webmin
sudo tee /etc/yum.repos.d/webmin.repo<<EOF[Webmin]name=Webmin Distribution Neutralbaseurl=https://download.webmin.com/download/yumenabled=1EOF
导入软件仓库的GPG key：
sudo rpm --import http://www.webmin.com/jcameron-key.asc
然后使用yum包管理器安装webmin。
sudo dnf install webmin
按y接受安装
Webmin Distribution Neutral 2.9 MB/s | 11 MB 00:03 Last metadata expiration check: 0:00:04 ago on Fri 04 Oct 2019 08:37:07 AM EAT.Dependencies resolved.=================================================================================================================================================== Package Arch Version Repository Size===================================================================================================================================================Installing: webmin noarch 1.930-1 Webmin 22 MInstalling dependencies: perl-Encode-Detect x86_64 1.01-28.el8 AppStream 90 kTransaction Summary===================================================================================================================================================Install 2 PackagesTotal download size: 22 MInstalled size: 79 MIs this ok [y/N]: y
要获取包版本和其他详细信息，请使用:
rpm -qi webmin
Name : webmin Version : 1.930 Release : 1 Architecture: noarch Install Date: Fri 04 Oct 2019 08:37:46 AM EAT Group : System/Tools Size : 82197335 License : Freeware Signature : DSA/SHA1, Sun 18 Aug 2019 05:33:13 AM EAT, Key ID d97a3ae911f63c51 Source RPM : webmin-1.930-1.src.rpm Build Date : Sun 18 Aug 2019 05:33:00 AM EAT Build Host : fudu2 Relocations : (not relocatable) Vendor : Jamie Cameron Summary : A web-based administration interface for Unix systems.
2.2 方法2:手动在RHEL8或者CentOS 8上安装Webmin
我建议你用这个方法在CentOS8或者RHEL8上安装Webmin，以获得最新的Webmin安装。
访问Webmin发布页面，查看最新发布的Webmin并下载。
sudo yum -y install wgetwget http://www.webmin.com/download/webmin-current.tar.gz
解压刚刚下载的文件：
tar xvf webmin-current.tar.gzrm -f webmin-current.tar.gz
移动到相应的目录：
sudo mv webmin* /usr/local/webmin
将工作目录更改为/usr/local/webmin/并运行Webmin安装程序脚本。
cd /usr/local/webmin/sudo ./setup.sh
设置
配置文件目录日志文件目录完整的Perl路径操作系统-类型和版本Web服务器端口(电脑默认10000)登录名(默认管理员)登录密码SSL输出类似于以下的内容：
sudo ./setup.sh
Welcome to the Webmin setup script, version 1.900 *
Webmin is a web-based interface that allows Unix-like operating
systems and common Unix services to be easily administered.
Installing Webmin in /usr/local/webmin …
Webmin uses separate directories for configuration files and log files.
Unless you want to run multiple versions of Webmin at the same time
you can just accept the defaults.
Config file directory [/etc/webmin]:
Log file directory [/var/webmin]:
Webmin is written entirely in Perl. Please enter the full path to the
Perl 5 interpreter on your system.
Full path to perl (default /usr/bin/perl):
Testing Perl …
Perl seems to be installed ok
For Webmin to work properly, it needs to know which operating system
type and version you 电脑 are running. Please select your system type by
entering the number next to it from the list below
1) Pardus Linux 2) SmartOS 3) Sun Solaris
4) Lycoris Desktop/LX 5) Caldera OpenLinux eS 6) Caldera OpenLinux
7) Asianux Server 8) Asianux 9) Whitebox Linux
10) Tao Linux 11) CentOS Linux 12) Springdale Linux
13) Virtuozzo Linux 14) Scientific Linux 15) Gralinux
16) NeoShine Linux 17) Endian Firewall Linu 18) Oracle Enterprise Li
19) Oracle VM 20) XenServer Linux 21) CloudLinux
22) MostlyLinux 23) Cloudrouter Linux 24) Sangoma Linux
25) Redhat Enterprise Li 26) Redhat Linux Desktop 27) AlphaCore Linux
28) X/OS Linux 29) Haansoft Linux 30) cAos Linux
31) Wind River Linux 32) Amazon Linux 33) Redhat Linux
34) Fedora Linux 35) White Dwarf Linux 36) Slamd64 Linux
37) Slackware Linux 38) Xandros Linux 39) APLINUX
电脑40) BigBlock 41) Ubuntu Linux 42) Mepis Linux
43) Devuan Linux 44) Raspbian Linux 45) Linux Mint
46) Debian Linux 47) SuSE OpenExchange Li 48) SuSE SLES Linux
49) SuSE Linux 50) United Linux 51) Corel Linux
52) TurboLinux 53) Cobalt Linux 54) Mandrake Linux Corpo
55) pclinuxos Linux 56) Mageia Linux 57) Mandrake Linux
58) Mandriva Linux 59) Mandriva Linux Enter 60) Conectiva Linux
61) ThizLinux Desktop 62) ThizServer 63) MSC Linux
64) SCI Linux 65) LinuxPPC 66) Trustix SE
67) Trustix 68) Tawie Server Linux 69) TinySofa Linux
70) Cendio LBS Linux 71) Ute Linux 72) Lanthan Linux
73) Yellow Dog Linux 74) Corvus Latinux 75) Immunix Linux
76) Gentoo Linux 77) Secure Linux 78) OpenNA Linux
79) SoL Linux 80) Coherent Technology 81) Playstation Linux
82) StartCom Linux 83) Yoper Linux 84) Caixa Magica
85) openmamba Linux 86) FreeBSD 87) DragonFly BSD
88) OpenBSD 89) NetBSD 90) BSDI
91) HP/UX 92) SGI Irix 93) DEC/Compaq OSF/1
94) IBM AIX 95) SCO UnixWare 96) SCO OpenServer
97) Mac OS X 98) Darwin 99) OpenDarwin
100) Cygwin 101) Sun Java Desktop Sys 102) Synology DSM
103) Generic Linux 104) Windows
Operating system: 25
Please enter the version of Redhat Enterprise Linux you are running
Version: 8
Operating system name: Redhat Enterprise Linux
Operating system version: 8
Webmin uses its own password protected web server to provide access
to the administration programs. The setup script needs to know :
What port to run the web server on. There must not be another
web server already using this port.
The login name required to access the web server.
The password required to access the web server.
If the webserver should use SSL (if your system supports it).
Whether to start webmin at boot time.
Web server port (default 10000):
Login name (default admin):
Login password:
Password again:
Use SSL (y/n): y
Webmin does not support being started at boot time on your system.
Creating web server config files..
..done
Creating access control file..
..done
Inserting path to perl into scripts..
..done
Creating start and stop scripts..
..done
Copying config files..
..done
Creating uninstall script /etc/webmin/uninstall.sh ..
..done
Changing ownership and permissions ..
..done
Running postinstall scripts ..
..done
Enabling background status collection ..
..done
Attempting to start Webmin mini web server..
Starting Webmin server in /usr/local/webmin
Cron 15467891196435 missing any time spec
..done
Webmin has been installed and started successfully. Use your web
browser to go to
https://rhel8.local:10000/
and login with the name and password you entered previously.
Because Webmin uses SSL for encryption only, the certificate
it uses is not signed by one of the recognized CAs such as
Verisign. When you first connect to the Webmin server, your
browser will ask you if you want to accept the certificate
presented, as it does not recognize the CA. Say yes.
3. 在CentOS8或RHEL8上配置webmin
为了能够从网络访问Webmin Web界面，您需要允许防火墙中的TCP端口10000。
sudo firewall-cmd --add-port=10000/tcp --permanentsudo firewall-cmd --reload
访问Webmin界面：
现在你已经在CentOS8或者RHEL8上安装了Webmin，打开你的服务器URL或者IP地址端口10000。比如https://192.168.122.197:10000
如果提示“Invalid Certificate”，点击Continue Anyway
在CentOS8或RHEL8上配置webmin访问Webmin界面
使用安装过程中指定的用户名及其密码登录
使用安装过程中指定的用户名及其密码登录webmin
显示的默认页面是系统详细信息的摘要
显示webmin的默认页面是系统详细信息的摘要
4. 总结
通过本文，您应该可以了解到如何在RHEL8或者CentOS8系统上安装Webmin。通过Webmin 的web界面，您可以完成很多Linux管理工作。类似的工具是Cockpit，可以参考以下指南。
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