CentOS 8.X

Cent 8 설치

1. 자동 업데이트 기능 끄기

#gsettings set org.gnome.software download-updates false #systemctl disable dnf-makecache.service #systemctl disable dnf-makecache.timer

 

 

2. repo 설정

#cd /etc/yum.repos.d/

#mkdir backup

#mv *.repo backup

 

#vi This .repo

[BaseOS] name=CentOS-$releasever - Base baseurl=https://archive.kernel.org/centos-vault/8.0.1905/BaseOS/x86_64/os/ http://linuxsoft.cern.ch/centos-vault/8.0.1905/BaseOS/x86_64/os/ gpgcheck=0

[AppStream] name=CentOS-$releasever - AppStream baseurl=https://archive.kernel.org/centos-vault/8.0.1905/AppStream/x86_64/os/ http://linuxsoft.cern.ch/centos-vault/8.0.1905/AppStream/x86_64/os/ gpgcheck=0

[extras] name=CentOS-$releasever - Extras baseurl=https://archive.kernel.org/centos-vault/8.0.1905/extras/x86_64/os/ http://linuxsoft.cern.ch/centos-vault/8.0.1905/extras/x86_64/os/ gpgcheck=0

[centosplus] name=CentOS-$releasever - Plus baseurl=https://archive.kernel.org/centos-vault/8.0.1905/centosplus/x86_64/os/ http://linuxsoft.cern.ch/centos-vault/8.0.1905/centosplus/x86_64/os/ gpgcheck=0

[PowerTools] name=CentOS-$releasever - PowerTools baseurl=https://archive.kernel.org/centos-vault/8.0.1905/PowerTools/x86_64/os/ http://linuxsoft.cern.ch/centos-vault/8.0.1905/PowerTools/x86_64/os/ gpgcheck=0

#dnf clean all

 

 

3. network 설정

#vi /etc/sysconfig/network-scripts/ifcfg-ensXX

수정 B00TPR0T0="dhcp" - B00TPR0T0="none" ： IPADDR ="192.168.111.100" NETMASK=”255.255.255.0" GATEWAY="192.168.111.2" DNS1="192.168.111.2"

#nmcli connection down ensXX

#nmcli connection up ens33

#nmcli networking off

#nmcli networking on

#nmcli connection reload

 

 

4. selinux 끄기

#vi /etc/sysconfig/selinux

SELINUX=disabled

 

 

5. 부팅모드 설정

#systemctl set-default graphical.target : GUI 모드

#systemctl set-default multi-user.target : CLI 모드

 

 

6. grub 부트로더 적용

grub2-mkconfig -o /boot/grub2/grub.cfg