ISO hybrid We are facing issue while making bootable of 32bit centos iso,Varad sir instruct to make iso hybrid. Following is the step of making iso hybrid. Step: Install selinux,utils. root@nkj:~/Documents# apt install syslinux-utils output. Step: make iso hybrid. root@nkj:~/Documents# isohybrid /home/vind/Documents/CentOS-7-i386-Everything-1810.iso Step: make bootable.with following command. root@nkj :~/Documents# dd if=CentOS-7-i386-Everything-1810.iso of=/dev/sd After thet boot the system with pendrive.its working.