NEW. Distribution Release: Red Hat Enterprise Linux 7.6. Rate this project. Red Hat, a Linux company freshly acquired by IBM, has announced the release of Red Hat Enterprise Linux (RHEL) 7.6. This is the latest update of the Linux distribution product targeted for deployments on bare-metal, virtual, containerised, private and public clouds. Feb 04, 2013 To mounting an ISO image on Linux ( RedHat, CentOS, Fedora or Ubuntu ), you must be logged in as “ root ” user or switch to “ sudo ” and run the following commands from a terminal to create a mount point. # mkdir /mnt/iso OR $ sudo mkdir /mnt/iso. Once you created mount point, use the “ mount ” command to mount an iso file called. Nov 21, 2018 Files for rhel-server-7.6-x8664-dvd. Name Last modified Size; Go to parent directory: rhel-server-7.6-x8664-dvd.iso (View Contents) 21-Nov-2018 13:32: 4.2G.
//Pre-requisites
Complete backup has to done before.
OS need to be registered with Redhat subscription.
Rhel 6.10, Rhel 7.6 iso images.
//Steps
complete backup to the server first
make sure the current running OS version is latest on their serious for 6 it should be 6.10.
# yum update // here it will upgrade the subversion if not latest.
# reboot
# cat /etc/redhat-release //check twice with this yum update -y make sure all package are up-to-date
Need to install pre-upgrade assistant tool and enable extra repository
# subscription-manager repos --enable rhel-6-server-extras-rpms
# yum install preupgrade-assistant preupgrade-assistant-el6toel7
# preupg -v //run this tool
// this output will be saved in /root/preupgrade/result.html we can check their upgrade status
// then install upgrade tool
# yum install redhat-upgrade-tool
// now disable all the current active repositories
# yum -y install yum-utils && yum-config-manager --disable *
// now execute the upgrade process during the upgrade it requires redhat linux 7 packges, we should need to locally mount the ISO image. please refer the post on this same blog for how to mount the image locally.
# redhat-upgrade-tool --network 7.6 --instrepo //mnt/rhel7iso
# redhat-upgrade-tool --device device_path
// if we don't specify the device path redhat upgrade tool scans all mounted removable location on server
# redhat-upgrade-tool --iso //mnt/rhel7iso
# redhat-upgrade-tool --cleanup-post
# reboot
# rpm -qa | grep .el6 &> /tmp/el6.txt
# rpm -e $(cat /tmp/el6.txt) --nodeps
# yum update //you will get latest package of rhel 7
# reboot
# cat /etc/redhat-release
Rhel 7.6 Minimal Iso
# yum repolist
Rhel 7.6 Workstation Iso
//if facing any issue on repolist, need to unsubscribe or clean or resubscription would solve the issue.
# subscription-manager remove --all
# subscription-manager clean
Rhel 7.6 Iso Download
# subscription-manager refresh
# subscription-manager unregister
# subscription-manager register