docs: replace yum with dnf for package management

Author: jfut

README.md

@@ -15,7 +15,7 @@ Ganeti RPM Packaging for RHEL/AlmaLinux/Rocky Linux/others.
 - [Installation tutorial](https://github.com/jfut/ganeti-rpm/blob/master/doc/install-rhel.md)
 - [Upgrade / update guides (update-rhel-*)](https://github.com/jfut/ganeti-rpm/tree/master/doc)
 
-## YUM/DNF repository and binary RPM files
+## DNF repository and binary RPM files
 
 - https://jfut.integ.jp/linux/ganeti/
 - https://ftp.osuosl.org/pub/ganeti-rpm/ (mirror, thanks to the OSU Open Source Lab)
@@ -194,7 +194,7 @@ BUILD_HOSTNAME=almalinux-8.github.integ.jp
 docker run -h "${BUILD_HOSTNAME}" --rm -it -v $PWD:/pkg -v ~/.gnupg.el8:/root/.gnupg almalinux:8 bash
 
 # Setup
-yum -y install findutils rpm-sign pinentry
+dnf -y install findutils rpm-sign pinentry
 
 # Set your gpg name
 echo "%_gpg_name [email protected]" >> ~/.rpmmacros

doc/install-rhel.md

@@ -142,7 +142,7 @@ iptables-restore < /etc/sysconfig/iptables
 ip6tables-restore < /etc/sysconfig/ip6tables
 ```
 
-## Setting up yum/dnf repositories
+## Setting up dnf repositories
 
 **Mandatory** on all nodes.
 

doc/update-rhel-2.16-to-3.0.md

@@ -120,7 +120,7 @@ tar zxf /root/ganeti-BACKUP_DATE.tar.gz -C /var/lib
 # el7
 yum --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el7
 # el8
-yum --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el8
+dnf --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el8
 
 systemctl start ganeti.target
 systemctl start ganeti-kvmd.service

doc/update-rhel-3.0-to-3.1.md

@@ -31,8 +31,8 @@ chmod 600 /root/ganeti-$(date +%FT%H)*.tar.gz
 **Mandatory** on all nodes.
 
 ```bash
-yum --enablerepo=integ-ganeti update integ-ganeti-release
-yum --enablerepo=epel,integ-ganeti update ganeti
+dnf --enablerepo=integ-ganeti update integ-ganeti-release
+dnf --enablerepo=epel,integ-ganeti update ganeti
 ```
 
 ## Upgrade configuration files on master node
@@ -107,11 +107,11 @@ mv /var/lib/ganeti /var/lib/ganeti.failed
 tar zxf /root/ganeti-BACKUP_DATE.tar.gz -C /var/lib
 
 # el8
-yum --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el8
+dnf --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el8
 # el9
-yum --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el9
+dnf --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el9
 # el10
-yum --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el10
+dnf --enablerepo=epel,integ-ganeti downgrade ganeti-x.y.z-n.el10
 
 systemctl start ganeti.target
 systemctl start ganeti-kvmd.service