Linux下的yum升级(升级到高版本)

本文介绍了Linux下yum升级的具体步骤,包括备份默认的yum、设置新的yum目录、下载阿里yum配置、重建缓存以及升级所有包。同时还给出了注意事项,如首次运行yum安装软件前建议更新yum,升级会改变软件和系统设置,需耐心等待。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

Linux下的yum怎么升级?

1. 备份默认的yum

# mv /etc/yum.repos.d /etc/yum.repos.d.backup

 

2. 设置新的yum目录

# mkdir /etc/yum.repos.d && cd /etc/yum.repos.d

3. 下载阿里yum配置到该目录中,用wget,进行下载,

    # yum install -y wget
    # wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

4. 重建缓存

yum clean all执行效果,

    [root@ethanyang yum.repos.d]# yum clean all
    Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
    This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
    Cleaning repos: base centosplus extras updates
    Cleaning up everything

yum makecache执行效果,

    [root@ethanyang yum.repos.d]# yum makecache
    Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
    This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
    base                                                                                                            | 3.6 kB  00:00:00     
    centosplus                                                                                                      | 2.9 kB  00:00:00     
    extras                                                                                                          | 2.9 kB  00:00:00     
    updates                                                                                                         | 2.9 kB  00:00:00     
    (1/13): base/x86_64/group_gz                                                                                    | 165 kB  00:00:00     
    (2/13): base/x86_64/filelists_db                                                                                | 7.3 MB  00:00:08     
    (3/13): base/x86_64/primary_db                                                                                  | 6.0 MB  00:00:08     
    (4/13): base/x86_64/other_db                                                                                    | 2.6 MB  00:00:02     
    (5/13): centosplus/x86_64/filelists_db                                                                          | 1.2 MB  00:00:02     
    (6/13): centosplus/x86_64/other_db                                                                              |  69 kB  00:00:00     
    (7/13): centosplus/x86_64/primary_db                                                                            | 2.7 MB  00:00:03     
    (8/13): extras/x86_64/filelists_db                                                                              | 216 kB  00:00:00     
    (9/13): extras/x86_64/other_db                                                                                  | 106 kB  00:00:00     
    (10/13): extras/x86_64/primary_db                                                                               | 164 kB  00:00:01     
    (11/13): updates/x86_64/filelists_db                                                                            | 4.0 MB  00:00:03     
    (12/13): updates/x86_64/other_db                                                                                | 493 kB  00:00:00     
    (13/13): updates/x86_64/primary_db                                                                              | 6.7 MB  00:00:06     
    Metadata Cache Created
    [root@ethanyang yum.repos.d]#

5. 升级所有包

yum update -y

注意:

(1) 第一次运行yum安装软件前,建议更新yum。

(2) yum update -y改变软件设置和系统设置,系统版本内核都升级,需几分钟耐心等待。
————————————————
原文链接 https://blog.youkuaiyun.com/bisal/article/details/104853055?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522162268744916780255216972%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=162268744916780255216972&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~baidu_landing_v2~default-2-104853055.first_rank_v2_pc_rank_v29&utm_term=yum%E7%89%88%E6%9C%AC%E5%8D%87%E7%BA%A7&spm=1018.2226.3001.4187

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值