To mount Solaris x86 UFS (UNIX File System) partitions in Linux, you can use the mount command with the ufs filesystem type.
For example, to mount a Solaris x86 UFS partition on /dev/sda1 at the /mnt/solaris mount point, you can use the following command:
mount -t ufs -o ufstype=sun /dev/sda1 /mnt/solaris
This will mount the Solaris x86 UFS partition on /dev/sda1 at the /mnt/solaris mount point, with the sun UFS type specified.
If the Solaris x86 UFS partition is already mounted at a different mount point, you can use the -f option to force the mount. For example:
mount -f -t ufs -o ufstype=sun /dev/sda1 /mnt/solaris
Note that you may need to install the ufsutils package in order to mount Solaris x86 UFS partitions in Linux. You can install the ufsutils package using your Linux distribution's package manager, such as apt, yum, or dnf.
For more information about mounting UFS partitions in Linux, you can refer to the mount man page or search online for tutorials and examples.