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Installer CentOS Linux 7 og dens konfiguration

2019-11-12 15:33:09

tag: CentOS, Linux, Minimal ISO, Fedora Media Writer,YUM, CentOS installation

Download først ISO-installationsfilen til CentOS Linux 7, der bruger Minimal ISO. Den downloadede ISO-fil skrives til USB-flashdrevet vha Fedora Media Writer. Minimal ISO er en minimal installation, som normalt kan let konfigureres i den grafiske grænseflade, f.eks. Indstilling af tidszone, harddiskpartition, indstilling af root-brugerens adgangskode og andre indstillelige elementer.

Efter at have ventet på, at installationen er afsluttet, kan du starte dhcp-tjenesten for at få maskinens ip-adresse, så vi kan logge ind via ssh-softwaren og derefter udføre kommandoen.
[root@localhost ~]dhclient
[root@localhost ~]# ip a
1: lo:  mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp0s3:  mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:cc:59:fa brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.17/24 brd 192.168.0.255 scope global dynamic enp0s3
       valid_lft 86370sec preferred_lft 86370sec
Indstil maskinens navn
hostnamectl set-hostname atlantis1
Installer wget, vim, emacs og anden software
yum install wget -y
yum install vim -y
yum install emacs -y
Hvis serveren får adgang til det officielle YUM-softwareopbevaring er langsomt, kan du konfigurere YUM-kildens spejladresse.
cd /etc/yum.repos.d/
mkdir repo.bak
mv *.repo repo.bak/

wget http://mirrors.aliyun.com/repo/Centos-7.repo
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo

yum clean allyum makecache
yum list | grep epel-release
yum install -y epel-release

wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.rep

yum clean all
yum makecache

yum repolist enabled
yum repolist all

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