CentOS 9 开局配置 CentOS 9 发布有几年了，一直没有尝试使用，CentOS 9 有一些变动。
查看系统基础信息 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 # 查看系统基础信息 [root@chenby ~]# neofetch .. cby@chenby .PLTJ. ---------- <><><><> OS: CentOS Stream 9 x86_64 KKSSV' 4KKK LJ KKKL.'VSSKK Host: VMware Virtual Platform None KKV' 4KKKKK LJ KKKKAL 'VKK Kernel: 5.14.0-165.el9.x86_64 V' ' 'VKKKK LJ KKKKV' ' 'V Uptime: 1 min .4MA.' 'VKK LJ KKV' '.4Mb. Packages: 651 (rpm) . KKKKKA.' 'V LJ V' '.4KKKKK . Shell: bash 5.1.8 .4D KKKKKKKA.'' LJ ''.4KKKKKKK FA. Resolution: 800x600 <QDD ++++++++++++ ++++++++++++ GFD> Terminal: /dev/pts/0 'VD KKKKKKKK'.. LJ ..'KKKKKKKK FV CPU: AMD Ryzen 9 3950X (32) @ 3.500GHz ' VKKKKK'. .4 LJ K. .'KKKKKV ' GPU: 00:0f.0 VMware SVGA II Adapter 'VK'. .4KK LJ KKA. .'KV' Memory: 375MiB / 7909MiB A. . .4KKKK LJ KKKKA. . .4 KKA. 'KKKKK LJ KKKKK' .4KK KKSSA. VKKK LJ KKKV .4SSKK <><><><> 'MKKM' '' [root@chenby ~]#
使用国内镜像源 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 # 使用国内镜像源 cat > /etc/yum.repos.d/centos.repo << EOF [AppStream] name=CentOS-\$releasever - AppStream - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/AppStream/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [BaseOS] name=CentOS-\$releasever - BaseOS - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/BaseOS/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [CRB] name=CentOS-\$releasever - CRB - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/CRB/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [HighAvailability] name=CentOS-\$releasever - HighAvailability - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/HighAvailability/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [NFV] name=CentOS-\$releasever - NFV - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/NFV/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [RT] name=CentOS-\$releasever - RT - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/RT/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official [ResilientStorage] name=CentOS-\$releasever - ResilientStorage - mirrors.ustc.edu.cn # failovermethod=priority baseurl=https://mirrors.ustc.edu.cn/centos-stream/\$stream/ResilientStorage/\$basearch/os/ gpgcheck=1 gpgkey=https://mirrors.ustc.edu.cn/centos-stream/RPM-GPG-KEY-CentOS-Official EOF
安装epel扩展源 1 2 # 安装epel扩展源 sudo yum install -y epel-release
设置为国内源 1 2 3 4 5 6 7 8 9 10 11 12 13 # 设置为国内源 sudo sed -e 's|^metalink=|#metalink=|g' \ -e 's|^#baseurl=https\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' \ -e 's|^#baseurl=https\?://download.example/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' \ -i.bak \ /etc/yum.repos.d/epel.repo sudo sed -e 's|^metalink=|#metalink=|g' \ -e 's|^#baseurl=https\?://download.fedoraproject.org/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' \ -e 's|^#baseurl=https\?://download.example/pub/epel/|baseurl=https://mirrors.ustc.edu.cn/epel/|g' \ -i.bak \ /etc/yum.repos.d/epel-next.repo
更新源信息 1 2 # 更新源信息 yum makecache && yum update
配置网卡IP 1 2 3 4 5 # 配置网卡IP nmcli con mod ens160 ipv4.addresses 192.168.1.16/24; nmcli con mod ens160 ipv4.gateway 192.168.1.1; nmcli con mod ens160 ipv4.method manual; nmcli con mod ens160 ipv4.dns "8.8.8.8"; nmcli con up ens160 nmcli con mod ens160 ipv6.addresses 2409:8a10:9e1e:7c10::1233; nmcli con mod ens160 ipv6.gateway 2409:8a10:9e1e:7c10::; nmcli con mod ens160 ipv6.method manual; nmcli con mod ens160 ipv6.dns "2001:4860:4860::8888"; nmcli con up ens160
查看网卡配置 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 # 查看网卡配置 cat /etc/NetworkManager/system-connections/ens160.nmconnection [connection] id=ens160 uuid=23c2f83b-e567-3296-bb0a-433ea216449f type=ethernet autoconnect-priority=-999 interface-name=ens160 timestamp=1664101928 [ethernet] [ipv4] address1=192.168.1.16/24,192.168.1.1 dns=8.8.8.8; method=manual [ipv6] addr-gen-mode=eui64 address1=2409:8a10:9e1e:7c10::1233/128,2409:8a10:9e1e:7c10:: dns=2001:4860:4860::8888; method=manual [proxy]
测试网络 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 # 测试网络 [root@chenby ~]# ping www.oiox.cn -4 PING (117.161.38.205) 56(84) bytes of data. 64 bytes from 117.161.38.205 (117.161.38.205): icmp_seq=1 ttl=55 time=6.84 ms 64 bytes from 117.161.38.205 (117.161.38.205): icmp_seq=2 ttl=55 time=6.44 ms 64 bytes from 117.161.38.205 (117.161.38.205): icmp_seq=3 ttl=55 time=7.12 ms --- ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 6.441/6.800/7.117/0.277 ms [root@bogon ~]# ping www.oiox.cn -6 PING www.oiox.cn(js-ipv6 (2409:8c10:c00:1404:3b::)) 56 data bytes 64 bytes from js-ipv6 (2409:8c10:c00:1404:3b::): icmp_seq=1 ttl=56 time=5.94 ms 64 bytes from js-ipv6 (2409:8c10:c00:1404:3b::): icmp_seq=2 ttl=56 time=6.11 ms 64 bytes from js-ipv6 (2409:8c10:c00:1404:3b::): icmp_seq=3 ttl=56 time=6.01 ms --- www.oiox.cn ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 5.941/6.020/6.107/0.067 ms [root@chenby ~]#
关于
https://www.oiox.cn/
https://www.oiox.cn/index.php/start-page.html
CSDN、GitHub、知乎、开源中国、思否、掘金、简书、华为云、阿里云、腾讯云、哔哩哔哩、今日头条、新浪微博、个人博客
全网可搜《小陈运维》
文章主要发布于微信公众号
