Rpm2rpm packaging steps

This article mainly introduces will rpm After unpacking the package , Modify the file inside , And repackage it into rpm The process of .

Prepare the environment

• install rpm-build package

yum install rpm-build -y

• install rpmdevtools

yum install rpmdevtools -y

• Create a workspace

rpmdev-setuptree

Check the working directory

• establish BUILDROOT Catalog

mkdir /root/rpmbuild/BUILDROOT

Complete directory structure

decompression rpm package

• Copy file

Copy to be modified rpm Package to /root/rpmbuild/BUILDROOT/ Catalog ,

• decompression rpm package

cd /root/rpmbuild/BUILDROOT
rpm2cpio zookeeper_3_0_1_0_187-3.4.6.3.0.1.0-187.noarch.rpm | cpio -idv

• extract spec file

rpmrebuild --package --notest-install --spec-only=zookeeper.spec zookeeper_3_0_1_0_187-3.4.6.3.0.1.0-187.noarch.rpm

notes ： It's used here rpmrebuild Tools , Details can be viewed ： Use rpmrebuild from rpm Extract in package spec file , There are download links and usage methods .

• Move SPEC file

mv zookeeper.spec /root/rpmbuild/SPECS/

• Delete the original rpm package

rm -rf zookeeper_3_0_1_0_187-3.4.6.3.0.1.0-187.noarch.rpm

Modify the content

View the contents of the extracted file ,

Modify as needed ,

• If you just need to replace the file with the same name , Then directly replace it ;
• If you need to add files or folders , You need to in zookeeper.spec Add files or folders in the original format ;
• If you need to delete a file or folder , It also needs to be zookeeper.spec Delete the corresponding file or folder .
• If there are many modified files , You can also convert the original %files Change the content to

%files
%defattr(-,root,root,-)
/usr/hdp/3.0.1.0-187

Call again rpm package

After modifying the document , Repackage into rpm file ,

cd /root/rpmbuild/SPECS
rpmbuild -ba --buildroot /root/rpmbuild/BUILDROOT/ zookeeper.spec

After the execution is completed, the /root/rpmbuild/RPMS View new rpm package

notes ： This article was first published on personal blog website ： http://www.erik-ly.com/