- 根據經驗,選擇安裝包時應該按最小化原則,即不需要的或者不確定是否需要的就不安裝,這樣可以最大程度上確保系統安全。
- 如果安裝過程落了部分包組或者其他夥伴安裝時沒選,再安裝後可以按如下方式補上安裝時未安裝的包組:
yum groupinstall "Compatibility libraries" "Base" "Development tools" yum groupinstall "debugging Tools" "Dial-up Networking Support"
可以通過yum groupinfo 包組查看具體安裝的組件。
[root@192168088101_vsftp_server ~]# yum groupinfo "Development tools"
Group: Compatibility Libraries
Group-Id: compat-libraries
Description: Compatibility libraries for applications built on previous versions of CentOS Linux.
Mandatory Packages:
compat-db47
compat-exiv2-023
compat-glibc
compat-libcap1
compat-libf2c-34
compat-libgfortran-41
compat-libtiff3
compat-openldap
libpng12
openssl098e
- 下面安裝7.6後登陸系統的時候yum grouplist查看選包的情況
[root@192168088101_vsftp_server ~]# yum grouplist Available Environment Groups: Minimal Install Compute Node Infrastructure Server File and Print Server Basic Web Server Virtualization Host Server with GUI GNOME Desktop KDE Plasma Workspaces Development and Creative Workstation Available Groups: Compatibility Libraries Console Internet Tools Development Tools Graphical Administration Tools Legacy UNIX Compatibility Scientific Support Security Tools Smart Card Support System Administration Tools System Management Done
可以看到除了我們選擇的外,系統還是默認安裝了一些額外的軟件包組。
注意:
不要使用yum的刪除功能刪除軟件,會刪除相關依賴,導致意外問題。
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安裝系統補裝工具命令
安裝系統後還會有一些基本的工具沒裝,這時可以根據需求yum來安裝下,啥時用啥時裝也可。例如:yum install tree nmap sysstat lrzsz dos2unix -y
- 如果需要更新補丁則執行
yum update