1. check iso/disk/rom
lsblk
[root@teguhth ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sr0 11:0 1 12.4G 0 rom
nvme0n1 259:0 0 30G 0 disk
+-nvme0n1p1 259:1 0 1G 0 part /boot
+-nvme0n1p2 259:2 0 29G 0 part
+-almalinux-root 253:0 0 27G 0 lvm /
+-almalinux-swap 253:1 0 2G 0 lvm [SWAP]
[root@teguhth ~]#
lsblk
[root@teguhth ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sr0 11:0 1 12.4G 0 rom
nvme0n1 259:0 0 30G 0 disk
+-nvme0n1p1 259:1 0 1G 0 part /boot
+-nvme0n1p2 259:2 0 29G 0 part
+-almalinux-root 253:0 0 27G 0 lvm /
+-almalinux-swap 253:1 0 2G 0 lvm [SWAP]
[root@teguhth ~]#
mount -o loop rhel-server-6.6-x86_64-dvd.iso /mnt
2. create cdrom folder & mount
mkdir -p /mnt/cdrom
mount /dev/sr0 /mnt/cdrom
[root@teguhth ~]# mkdir -p /mnt/cdrom
[root@teguhth ~]# mount /dev/sr0 /mnt/cdrom
mount: /mnt/cdrom: WARNING: source write-protected, mounted read-only.
[root@teguhth ~]#
mkdir -p /mnt/cdrom
mount /dev/sr0 /mnt/cdrom
[root@teguhth ~]# mkdir -p /mnt/cdrom
[root@teguhth ~]# mount /dev/sr0 /mnt/cdrom
mount: /mnt/cdrom: WARNING: source write-protected, mounted read-only.
[root@teguhth ~]#
mount -o loop rhel-server-6.6-x86_64-dvd.iso /mnt
3. check disk mounting
[root@teguhth ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 838M 0 838M 0% /dev/shm
tmpfs 335M 4.9M 331M 2% /run
/dev/mapper/almalinux-root 27G 1.7G 26G 7% /
/dev/nvme0n1p1 960M 251M 710M 27% /boot
tmpfs 168M 0 168M 0% /run/user/0
/dev/sr0 13G 13G 0 100% /mnt/cdrom
[root@teguhth ~]#
[root@teguhth ~]#
4. Enable repolocal
cat > /etc/yum.repos.d/local.repo << EOF
[BaseOS]
name=BaseOS
baseurl=file:///mnt/cdrom/BaseOS
enabled=1
gpgcheck=0
[AppStream]
name=AppStream
baseurl=file:///mnt/cdrom/AppStream
enabled=1
gpgcheck=0
EOF
[BaseOS]
name=BaseOS
baseurl=file:///mnt/cdrom/BaseOS
enabled=1
gpgcheck=0
[AppStream]
name=AppStream
baseurl=file:///mnt/cdrom/AppStream
enabled=1
gpgcheck=0
EOF

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