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Operating System and Software
- Rocky Linux 8
Problem
- If use
NM_CONTROLLED=noin ifcfg file, unable to bring up interfaces with ‘ifup’ command. ifupcommands fails with below error when try to bring up ens3 interface.
# ifup ens3
Error: unknown connection '/etc/sysconfig/network-scripts/ifcfg-ens3'.
How to Fix
- There are two ways to resolve the issue:
- Remove
NM_CONTROLLED=nooption from ifcfg file. - Install
network-scriptspackage to utilize the legacyifupcommand.
- Remove
Origin of the Problem
- From Rocky Linux 8,
ifupcommand is provided by NetworkManager package. Network scripts are deprecated in Rocky Linux 8 and they are no longer provided by default.
# rpm -qf `which ifup`
NetworkManager-1.14.0-5.el8.x86_64
Danila Vershinin
Founder & Lead Engineer
NGINX configuration and optimizationLinux system administrationWeb performance engineering
10+ years NGINX experience • Maintainer of GetPageSpeed RPM repository • Contributor to open-source NGINX modules