ubuntu14@ubuntu14-Aspire-E5-573:~$ cd /media/ubuntu14/Softwares/kernal/ ubuntu14@ubuntu14-Aspire-E5-573:/media/ubuntu14/Softwares/kernal$ ls -a . .. linux-headers-4.2.0-040200rc6_4.2.0-040200rc6.201508092028_all.deb linux-headers-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb linux-headers-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb linux-image-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb linux-image-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb ubuntu14@ubuntu14-Aspire-E5-573:/media/ubuntu14/Softwares/kernal$ ls -a | grep .deb linux-headers-4.2.0-040200rc6_4.2.0-040200rc6.201508092028_all.deb linux-headers-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb linux-headers-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb linux-image-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb linux-image-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb ubuntu14@ubuntu14-Aspire-E5-573:/media/ubuntu14/Softwares/kernal$ sudo dpkg -i .deb [sudo] password for ubuntu14: dpkg: error processing archive .deb (--install): cannot access archive: No such file or directory Errors were encountered while processing: .deb ubuntu14@ubuntu14-Aspire-E5-573:/media/ubuntu14/Softwares/kernal$ sudo dpkg -i *.deb Selecting previously unselected package linux-headers-4.2.0-040200rc6. (Reading database ... 163959 files and directories currently installed.) Preparing to unpack linux-headers-4.2.0-040200rc6_4.2.0-040200rc6.201508092028_all.deb ... Unpacking linux-headers-4.2.0-040200rc6 (4.2.0-040200rc6.201508092028) ... Selecting previously unselected package linux-headers-4.2.0-040200rc6-generic. Preparing to unpack linux-headers-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb ... Unpacking linux-headers-4.2.0-040200rc6-generic (4.2.0-040200rc6.201508092028) ... Selecting previously unselected package linux-headers-4.2.0-040200rc6-lowlatency. Preparing to unpack linux-headers-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb ... Unpacking linux-headers-4.2.0-040200rc6-lowlatency (4.2.0-040200rc6.201508092028) ... Selecting previously unselected package linux-image-4.2.0-040200rc6-generic. Preparing to unpack linux-image-4.2.0-040200rc6-generic_4.2.0-040200rc6.201508092028_i386.deb ... Done. Unpacking linux-image-4.2.0-040200rc6-generic (4.2.0-040200rc6.201508092028) ... Selecting previously unselected package linux-image-4.2.0-040200rc6-lowlatency. Preparing to unpack linux-image-4.2.0-040200rc6-lowlatency_4.2.0-040200rc6.201508092028_i386.deb ... Done. Unpacking linux-image-4.2.0-040200rc6-lowlatency (4.2.0-040200rc6.201508092028) ... Setting up linux-headers-4.2.0-040200rc6 (4.2.0-040200rc6.201508092028) ... Setting up linux-headers-4.2.0-040200rc6-generic (4.2.0-040200rc6.201508092028) ... Setting up linux-headers-4.2.0-040200rc6-lowlatency (4.2.0-040200rc6.201508092028) ... Setting up linux-image-4.2.0-040200rc6-generic (4.2.0-040200rc6.201508092028) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.2.0-040200rc6-generic /boot/vmlinuz-4.2.0-040200rc6-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.2.0-040200rc6-generic /boot/vmlinuz-4.2.0-040200rc6-generic update-initramfs: Generating /boot/initrd.img-4.2.0-040200rc6-generic W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-2.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-1.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-2.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-1.fw for module r8169 run-parts: executing /etc/kernel/postinst.d/pm-utils 4.2.0-040200rc6-generic /boot/vmlinuz-4.2.0-040200rc6-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.2.0-040200rc6-generic /boot/vmlinuz-4.2.0-040200rc6-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.2.0-040200rc6-generic /boot/vmlinuz-4.2.0-040200rc6-generic Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-040200rc6-lowlatency Found linux image: /boot/vmlinuz-4.2.0-040200rc6-generic Found initrd image: /boot/initrd.img-4.2.0-040200rc6-generic Found linux image: /boot/vmlinuz-3.13.0-32-generic Found initrd image: /boot/initrd.img-3.13.0-32-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Found Linux Mint 17.2 Rafaela (17.2) on /dev/sda1 done Setting up linux-image-4.2.0-040200rc6-lowlatency (4.2.0-040200rc6.201508092028) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.2.0-040200rc6-lowlatency /boot/vmlinuz-4.2.0-040200rc6-lowlatency run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.2.0-040200rc6-lowlatency /boot/vmlinuz-4.2.0-040200rc6-lowlatency update-initramfs: Generating /boot/initrd.img-4.2.0-040200rc6-lowlatency W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-2.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-1.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-2.fw for module r8169 W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-1.fw for module r8169 run-parts: executing /etc/kernel/postinst.d/pm-utils 4.2.0-040200rc6-lowlatency /boot/vmlinuz-4.2.0-040200rc6-lowlatency run-parts: executing /etc/kernel/postinst.d/update-notifier 4.2.0-040200rc6-lowlatency /boot/vmlinuz-4.2.0-040200rc6-lowlatency run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.2.0-040200rc6-lowlatency /boot/vmlinuz-4.2.0-040200rc6-lowlatency Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-040200rc6-lowlatency Found initrd image: /boot/initrd.img-4.2.0-040200rc6-lowlatency Found linux image: /boot/vmlinuz-4.2.0-040200rc6-generic Found initrd image: /boot/initrd.img-4.2.0-040200rc6-generic Found linux image: /boot/vmlinuz-3.13.0-32-generic Found initrd image: /boot/initrd.img-3.13.0-32-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin Found Linux Mint 17.2 Rafaela (17.2) on /dev/sda1 done ubuntu14@ubuntu14-Aspire-E5-573:/media/ubuntu14/Softwares/kernal$