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December 16, 2015 08:28
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display the current IP address on the console of a RHEL (or derivative) server
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| #!/bin/bash | |
| ip_address="$(ip addr show $1 2>/dev/null | awk '/inet / {print $2}' | sed -e 's/\/.*//')" | |
| if [ "${ip_address}" ]; then | |
| formatted_address="$(printf "%-10s%s\n" "$1:" ${ip_address})" | |
| sed -e "s/IP_ADDRESS/${formatted_address}/" /etc/issue.TEMPLATE > /etc/issue | |
| else | |
| cp /etc/issue.DIST /etc/issue | |
| fi |
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| cp /etc/issue /etc/issue.DIST | |
| cp /etc/issue /etc/issue.TEMPLATE | |
| echo IP_ADDRESS >> /etc/issue.TEMPLATE | |
| echo >> /etc/issue.TEMPLATE | |
| chmod +x /etc/sysconfig/network-scripts/ifup-local | |
| ln -s /etc/sysconfig/network-scripts/ifup-local /sbin/ifup-local |
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