Difference between revisions of "New CentOS 7 Server Setup Commands"
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| − | === Disable selinux | + | === Disable selinux === |
<pre> | <pre> | ||
# setenforce 0 | # setenforce 0 | ||
| − | + | # sed -i.bak "s/^SELINUX=.*/SELINUX=disabled/g" /etc/selinux/config | |
</pre> | </pre> | ||
Revision as of 19:01, 2 April 2016
Install From Image, with 'minimal install' option
Post install configuration
Remove Network Manager software
# /bin/systemctl disable NetworkManager # /bin/systemctl disable NetworkManager-dispatcher # yum erase NetworkManager-tui NetworkManager-glib NetworkManager
Configure Network
Run the commands below to set up a static ip address (192.168.1.221) and hostname (test-centos-1).
# export remote_hostname=guest1 # export remote_ip=192.168.1.221 # export remote_gateway=192.168.1.1 # hostnamectl set-hostname $remote_hostname # sed -i.bak "s/.*BOOTPROTO=.*/BOOTPROTO=none/g" /etc/sysconfig/network-scripts/ifcfg-eth0 # cat << EOF >> /etc/sysconfig/network-scripts/ifcfg-eth0 IPADDR0=$remote_ip PREFIX0=24 GATEWAY0=$remote_gateway DNS1="216.136.95.2" DNS2="64.132.94.250" NM_CONTROLLED="no" EOF # systemctl restart network # systemctl enable network.service # systemctl enable sshd # systemctl start sshd # echo "checking connectivity" # ping www.google.com
Disable selinux
# setenforce 0 # sed -i.bak "s/^SELINUX=.*/SELINUX=disabled/g" /etc/selinux/config
Remove Postfix, and add needed packages.
# yum -y erase postfix
# yum -y install finger nc net-snmp net-snmp-perl net-snmp-utils ntp perl-Date-Manip \
perl-DBD-SQLite sendmail sendmail-cf sssd tcp_wrappers tcpdump telnet tftp \
tog-pegasus traceroute vim-enhanced wget oddjob-mkhomedir net-tools
Fix Time Zone
# rm -f /etc/localtime # ln -s /usr/share/zoneinfo/MST7MDT /etc/localtime
Turn off rp_filter
# echo "net.ipv4.conf.default.rp_filter = 0" > /etc/sysctl.d/rpfilter.conf
