Using sed to configure SELinux

For a while we have been looking for a practical example as to an area you would want to use SED.

So, normally, we would go through the painful process of vi /etc/selinux/config, edit it to

and then change SELINUX=enforcing to disabled

save, and then reboot. How fun right?

How about a one-liner that does that whole process?

check that out!

all that’s needed is a reboot

here’s’ the command broken down:

sed -i, the i= means ignore the if it’s upper or lower case

s/ means substitue

enforcing/disabed means you are substituting enforcing for disabled

the first /etc/selinux/config is the source, and second is the destination

sed -i ‘s/OriginalWord/ReplacmentWord/g’ /SourceDir/FileName /DestDir/FileName

that’s it!

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