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1,304 bytes added ,  14:29, 17 March 2016
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install a minimal Centos7
 
install a minimal Centos7
 
configure network access
 
configure network access
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* Setup network:
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To start the networking if you can not ping ie not up
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[root@buildcos9 ~]# /etc/sysconfig/network-scripts/ifup-eth eth0
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* Set DHCP to install basic utilities
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[root@buildcos9 ~]#  dhclient eth0
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* Install utilities
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[root@buildcos9 ~]# yum install nano system-config-network-tui mc man htop top iftop iptraf screen openssh-clients mlocate
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* Finalise network setup
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[root@buildcos9 ~]# nano /etc/sysconfig/network-scripts/ifcfg-eth0
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and set manually if necessary:
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DEVICE="eth0"
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BOOTPROTO="none"
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HWADDR="00:E0:4C:68:21:6D"
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IPADDR=192.168.xxx.12
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NETMASK=255.255.255.0
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GATEWAY=192.168.xxx.3
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DNS1=192.168.xxx.3
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IPV6INIT=no
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NM_CONTROLLED="yes"
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ONBOOT="YES"
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TYPE="Ethernet"
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UUID="fe6ebc0d-dbee-4bf6-a3cf-5e84c5453549"
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Check and restart:
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[root@buildcos9 ~]# chkconfig network on
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[root@buildcos9 ~]# service network restart
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*  Enable SSH
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SSH is present but is disabled at this stage. To enable ssh issue:
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service sshd start
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You may have a slow login to ssh, if needed :
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nano /etc/ssh/sshd_config
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And change the “UseDNS yes” field to “UseDNS no”.
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Now change the “GSSAPIAuthentication yes” line to “GSSAPIAuthentication no”.
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You have to restart the ssh service or the server
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* Reboot system to ensure all new config are permanent
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  [root@buildcos9 ~]# reboot
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update packages
 
update packages
 
  yum update
 
  yum update
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