CentOS7 配置環境
1.安裝CentOS 配置環境
(1)虛擬機器中安裝CentOS,進入系統使用yum命令不止正常執行……
原因:
需要設定網絡卡啟用
解決方法:
vi /etc/sysconfig/network-scripts/ifcfg-ens33
修改:ONBOOT=yes
重啟計算機: reboot
(2)安裝openssh-server,全部手敲命令列太累,偷個懶 ,裝完openssh 可用ssh命令在windows上連線centOS
yum -install -y openssh-server
安裝完了需要修改配置檔案:
vi /etc/ssh/sshd_config
修改內容:
Port 22
ListenAddress 0.0.0.0
ListenAddress ::
PermitRootLogin yes
PasswordAuthentication yes
(3)設定防火牆許可權
關閉firewall 安裝iptables 修改配置檔案
#關閉firewall
systemctl stop firewalld #關閉firewall
systemctl disable firewalld#禁用firewall
systemctl enable firewalld #啟用firewall
systemctl status firewalld #檢視firewall 狀態
yum install iptables
systemctl stop iptables # 關閉iptables
systemctl start iptables # 啟動iptables
systemctl restart iptables # 重啟 iptables
systemctl enable iptables# 啟用
systemctl disable iptables#禁用
systemctl status iptables#檢視狀態
sudo systemctl stop firewalld.service
sudo systemctl disable firewalld.service
sudo yum install iptables-services
sudo systemctl enable iptables
sudo systemctl enable ip6tables
sudo systemctl start iptables
sudo systemctl start ip6tables
vi /etc/sysconfig/iptables
這時候只是把系統環境配置好了,能進行遠端訪問了,使用苦逼的命令列太難受了。。。。。