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#ip addr show show IP address with the IP command
/etc/sysconfig/network shows network / global network variables:
NETWORKING=yes
HOSTNAME=shuttlehosti
GATEWAY=192.168.88.1
/etc/hosts local host file (contains hostname). Can contain local system DNS.
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
/etc/sysconfig/iptables stores filewall rules for the system.
/etc/sysconfig/resolv.conf orig DNS config file. still used
, RedHat RHCSA Commands Questions With
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/usr/share/doc/initscripts-*/sysconfig.txt Documentation about sysconfig network scripts
system config firewall GUI menu system/administratrion/firewall
**manual iptable rules will be overwritten with this tool.
/etc/services file holding services, ports, protocols assoicated
ip masqu acting as a router with forwarding
system-config-firewall tui shell config tool gropued like GUI firewall configurater.
**manual iptable rules will be overwritten with this tool.
/etc/sysconfig/iptables stores IPtables rules (filter)
chains, input forward output