centos6.8 tree安装报错,安装nc报错

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原创最新推荐文章于 2026-08-15 13:33:45 发布 532 阅读 AI 写同款· GEO 优化 ›

CentOS 8 安装 Git 的三种方案与 SELinux 配置实战 Git 是分布式版本控制系统的核心工具，其在企业级 Linux 发行版中的部署远不止执行安装命令——需深入理解包管理机制、运行时安全模型（如 SELinux）与依赖兼容性原理。在 CentOS 8 这一默认启用模块化仓库（AppStream）、强制 SELinux enforcing 模式、全面转向 dnf 的 RHEL 系统中，Git 的安装决策直接影响 CI/CD 稳定性、代码审计合规性及跨平台协作体验。技术价值体现在：规避动态链接错误、保障 SSH 认证通过、实现 HTTPS 代理穿透与换行符自动标准阅读详情

gcc -ggdb -Wall -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -c -o tree.o tree.c
make: gcc：命令未找到
make: *** [tree.o] 错误 127
仓库 “CentOS-6 - Base - mirrors.aliyun.com” 的 GPG 密钥已安装，但是不适用于此软件包。请检查仓库的公钥 URL 是否配置正确。
–bash: tree: command not found
http://mirrors.aliyun.com/centos/6/updates/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - “The requested URL returned error: 404 Not Found”

在这里插入图片描述

vim /etc/yum.repos.d/CentOS-Base.repo 删除原来的文件，将以下配置复制进来

# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the 
# remarked out baseurl= line instead.
#
#

[base]
name=CentOS-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=https://vault.centos.org/6.8/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

#released updates 
[updates]
name=CentOS-$releasever - Updates
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
baseurl=https://vault.centos.org/6.8/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
baseurl=https://vault.centos.org/6.8/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
baseurl=https://vault.centos.org/6.8/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib&infra=$infra
baseurl=https://vault.centos.org/6.8/contrib/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6