2

The Installation Guide says:

64-bit

Running the following command in your terminal:

shasum -a 256 -c elementaryos-freya-amd64.20150411.iso

should produce the output:

a7b8edfe95eb1c12745e02c63f830cad06ee756f552cba1cdca7bc30b7ca39e7

I run the command and get:

./.disk/base_installable: FAILED open or read
./.disk/casper-uuid-3.16.0-34-generic: FAILED open or read
./.disk/casper-uuid-generic: FAILED open or read
./.disk/cd_type: FAILED open or read
./.disk/info: FAILED open or read
./.disk/release_notes_url: FAILED open or read
./EFI/BOOT/BOOTx64.EFI: FAILED open or read
./EFI/BOOT/grubx64.efi: FAILED open or read
./README.diskdefines: FAILED open or read
./boot/grub/efi.img: FAILED open or read
./boot/grub/font.pf2: FAILED open or read
./boot/grub/grub.cfg: FAILED open or read
./boot/grub/loopback.cfg: FAILED open or read
./boot/grub/x86_64-efi/acpi.mod: FAILED open or read
./boot/grub/x86_64-efi/adler32.mod: FAILED open or read
./boot/grub/x86_64-efi/ahci.mod: FAILED open or read
./boot/grub/x86_64-efi/all_video.mod: FAILED open or read
./boot/grub/x86_64-efi/aout.mod: FAILED open or read
./boot/grub/x86_64-efi/appleldr.mod: FAILED open or read
./boot/grub/x86_64-efi/archelp.mod: FAILED open or read
./boot/grub/x86_64-efi/at_keyboard.mod: FAILED open or read
./boot/grub/x86_64-efi/ata.mod: FAILED open or read
./boot/grub/x86_64-efi/backtrace.mod: FAILED open or read
./boot/grub/x86_64-efi/bfs.mod: FAILED open or read
./boot/grub/x86_64-efi/bitmap.mod: FAILED open or read
./boot/grub/x86_64-efi/bitmap_scale.mod: FAILED open or read
./boot/grub/x86_64-efi/blocklist.mod: FAILED open or read
./boot/grub/x86_64-efi/boot.mod: FAILED open or read
./boot/grub/x86_64-efi/bsd.mod: FAILED open or read
./boot/grub/x86_64-efi/btrfs.mod: FAILED open or read
./boot/grub/x86_64-efi/bufio.mod: FAILED open or read
./boot/grub/x86_64-efi/cat.mod: FAILED open or read
./boot/grub/x86_64-efi/cbfs.mod: FAILED open or read
./boot/grub/x86_64-efi/cbls.mod: FAILED open or read
./boot/grub/x86_64-efi/cbmemc.mod: FAILED open or read
./boot/grub/x86_64-efi/cbtable.mod: FAILED open or read
./boot/grub/x86_64-efi/cbtime.mod: FAILED open or read
./boot/grub/x86_64-efi/chain.mod: FAILED open or read
./boot/grub/x86_64-efi/cmdline_cat_test.mod: FAILED open or read
./boot/grub/x86_64-efi/cmp.mod: FAILED open or read
./boot/grub/x86_64-efi/command.lst: FAILED open or read
./boot/grub/x86_64-efi/cpio.mod: FAILED open or read
./boot/grub/x86_64-efi/cpio_be.mod: FAILED open or read
./boot/grub/x86_64-efi/cpuid.mod: FAILED open or read
./boot/grub/x86_64-efi/crc64.mod: FAILED open or read
./boot/grub/x86_64-efi/crypto.lst: FAILED open or read
./boot/grub/x86_64-efi/crypto.mod: FAILED open or read
./boot/grub/x86_64-efi/cryptodisk.mod: FAILED open or read
./boot/grub/x86_64-efi/cs5536.mod: FAILED open or read
./boot/grub/x86_64-efi/date.mod: FAILED open or read
./boot/grub/x86_64-efi/datehook.mod: FAILED open or read
./boot/grub/x86_64-efi/datetime.mod: FAILED open or read
./boot/grub/x86_64-efi/disk.mod: FAILED open or read
./boot/grub/x86_64-efi/diskfilter.mod: FAILED open or read
./boot/grub/x86_64-efi/div_test.mod: FAILED open or read
./boot/grub/x86_64-efi/dm_nv.mod: FAILED open or read
./boot/grub/x86_64-efi/echo.mod: FAILED open or read
./boot/grub/x86_64-efi/efi_gop.mod: FAILED open or read
./boot/grub/x86_64-efi/efi_uga.mod: FAILED open or read
./boot/grub/x86_64-efi/efifwsetup.mod: FAILED open or read
./boot/grub/x86_64-efi/efinet.mod: FAILED open or read
./boot/grub/x86_64-efi/ehci.mod: FAILED open or read
./boot/grub/x86_64-efi/elf.mod: FAILED open or read
./boot/grub/x86_64-efi/eval.mod: FAILED open or read
./boot/grub/x86_64-efi/exfat.mod: FAILED open or read
./boot/grub/x86_64-efi/exfctest.mod: FAILED open or read
./boot/grub/x86_64-efi/ext2.mod: FAILED open or read
./boot/grub/x86_64-efi/fat.mod: FAILED open or read
./boot/grub/x86_64-efi/file.mod: FAILED open or read
./boot/grub/x86_64-efi/fixvideo.mod: FAILED open or read
./boot/grub/x86_64-efi/font.mod: FAILED open or read
./boot/grub/x86_64-efi/fs.lst: FAILED open or read
./boot/grub/x86_64-efi/gcry_arcfour.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_blowfish.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_camellia.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_cast5.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_crc.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_des.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_dsa.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_idea.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_md4.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_md5.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_rfc2268.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_rijndael.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_rmd160.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_rsa.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_seed.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_serpent.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_sha1.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_sha256.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_sha512.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_tiger.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_twofish.mod: FAILED open or read
./boot/grub/x86_64-efi/gcry_whirlpool.mod: FAILED open or read
./boot/grub/x86_64-efi/geli.mod: FAILED open or read
./boot/grub/x86_64-efi/gettext.mod: FAILED open or read
./boot/grub/x86_64-efi/gfxmenu.mod: FAILED open or read
./boot/grub/x86_64-efi/gfxterm.mod: FAILED open or read
./boot/grub/x86_64-efi/gfxterm_background.mod: FAILED open or read
./boot/grub/x86_64-efi/gfxterm_menu.mod: FAILED open or read
./boot/grub/x86_64-efi/gptsync.mod: FAILED open or read
./boot/grub/x86_64-efi/grub.cfg: FAILED open or read
./boot/grub/x86_64-efi/gzio.mod: FAILED open or read
./boot/grub/x86_64-efi/halt.mod: FAILED open or read
./boot/grub/x86_64-efi/hashsum.mod: FAILED open or read
./boot/grub/x86_64-efi/hdparm.mod: FAILED open or read
./boot/grub/x86_64-efi/help.mod: FAILED open or read
./boot/grub/x86_64-efi/hexdump.mod: FAILED open or read
./boot/grub/x86_64-efi/hfs.mod: FAILED open or read
./boot/grub/x86_64-efi/hfsplus.mod: FAILED open or read
./boot/grub/x86_64-efi/hfspluscomp.mod: FAILED open or read
./boot/grub/x86_64-efi/http.mod: FAILED open or read
./boot/grub/x86_64-efi/iorw.mod: FAILED open or read
./boot/grub/x86_64-efi/jfs.mod: FAILED open or read
./boot/grub/x86_64-efi/jpeg.mod: FAILED open or read
./boot/grub/x86_64-efi/keylayouts.mod: FAILED open or read
./boot/grub/x86_64-efi/keystatus.mod: FAILED open or read
./boot/grub/x86_64-efi/ldm.mod: FAILED open or read
./boot/grub/x86_64-efi/legacy_password_test.mod: FAILED open or read
./boot/grub/x86_64-efi/legacycfg.mod: FAILED open or read
./boot/grub/x86_64-efi/linux.mod: FAILED open or read
./boot/grub/x86_64-efi/linux16.mod: FAILED open or read
./boot/grub/x86_64-efi/linuxefi.mod: FAILED open or read
./boot/grub/x86_64-efi/loadbios.mod: FAILED open or read
./boot/grub/x86_64-efi/loadenv.mod: FAILED open or read
./boot/grub/x86_64-efi/loopback.mod: FAILED open or read
./boot/grub/x86_64-efi/ls.mod: FAILED open or read
./boot/grub/x86_64-efi/lsacpi.mod: FAILED open or read
./boot/grub/x86_64-efi/lsefi.mod: FAILED open or read
./boot/grub/x86_64-efi/lsefimmap.mod: FAILED open or read
./boot/grub/x86_64-efi/lsefisystab.mod: FAILED open or read
./boot/grub/x86_64-efi/lsmmap.mod: FAILED open or read
./boot/grub/x86_64-efi/lspci.mod: FAILED open or read
./boot/grub/x86_64-efi/lssal.mod: FAILED open or read
./boot/grub/x86_64-efi/luks.mod: FAILED open or read
./boot/grub/x86_64-efi/lvm.mod: FAILED open or read
./boot/grub/x86_64-efi/lzopio.mod: FAILED open or read
./boot/grub/x86_64-efi/macbless.mod: FAILED open or read
./boot/grub/x86_64-efi/macho.mod: FAILED open or read
./boot/grub/x86_64-efi/mdraid09.mod: FAILED open or read
./boot/grub/x86_64-efi/mdraid09_be.mod: FAILED open or read
./boot/grub/x86_64-efi/mdraid1x.mod: FAILED open or read
./boot/grub/x86_64-efi/memrw.mod: FAILED open or read
./boot/grub/x86_64-efi/minicmd.mod: FAILED open or read
./boot/grub/x86_64-efi/minix2.mod: FAILED open or read
./boot/grub/x86_64-efi/minix2_be.mod: FAILED open or read
./boot/grub/x86_64-efi/minix3.mod: FAILED open or read
./boot/grub/x86_64-efi/minix3_be.mod: FAILED open or read
./boot/grub/x86_64-efi/minix_be.mod: FAILED open or read
./boot/grub/x86_64-efi/mmap.mod: FAILED open or read
./boot/grub/x86_64-efi/moddep.lst: FAILED open or read
./boot/grub/x86_64-efi/morse.mod: FAILED open or read
./boot/grub/x86_64-efi/mpi.mod: FAILED open or read
./boot/grub/x86_64-efi/msdospart.mod: FAILED open or read
./boot/grub/x86_64-efi/multiboot.mod: FAILED open or read
./boot/grub/x86_64-efi/multiboot2.mod: FAILED open or read
./boot/grub/x86_64-efi/nativedisk.mod: FAILED open or read
./boot/grub/x86_64-efi/net.mod: FAILED open or read
./boot/grub/x86_64-efi/newc.mod: FAILED open or read
./boot/grub/x86_64-efi/ntfs.mod: FAILED open or read
./boot/grub/x86_64-efi/ntfscomp.mod: FAILED open or read
./boot/grub/x86_64-efi/odc.mod: FAILED open or read
./boot/grub/x86_64-efi/offsetio.mod: FAILED open or read
./boot/grub/x86_64-efi/ohci.mod: FAILED open or read
./boot/grub/x86_64-efi/part_acorn.mod: FAILED open or read
./boot/grub/x86_64-efi/part_amiga.mod: FAILED open or read
./boot/grub/x86_64-efi/part_apple.mod: FAILED open or read
./boot/grub/x86_64-efi/part_bsd.mod: FAILED open or read
./boot/grub/x86_64-efi/part_dfly.mod: FAILED open or read
./boot/grub/x86_64-efi/part_dvh.mod: FAILED open or read
./boot/grub/x86_64-efi/part_gpt.mod: FAILED open or read
./boot/grub/x86_64-efi/part_msdos.mod: FAILED open or read
./boot/grub/x86_64-efi/part_plan.mod: FAILED open or read
./boot/grub/x86_64-efi/part_sun.mod: FAILED open or read
./boot/grub/x86_64-efi/part_sunpc.mod: FAILED open or read
./boot/grub/x86_64-efi/partmap.lst: FAILED open or read
./boot/grub/x86_64-efi/parttool.lst: FAILED open or read
./boot/grub/x86_64-efi/parttool.mod: FAILED open or read
./boot/grub/x86_64-efi/password.mod: FAILED open or read
./boot/grub/x86_64-efi/password_pbkdf2.mod: FAILED open or read
./boot/grub/x86_64-efi/pata.mod: FAILED open or read
./boot/grub/x86_64-efi/pbkdf2.mod: FAILED open or read
./boot/grub/x86_64-efi/pbkdf2_test.mod: FAILED open or read
./boot/grub/x86_64-efi/pcidump.mod: FAILED open or read
./boot/grub/x86_64-efi/play.mod: FAILED open or read
./boot/grub/x86_64-efi/png.mod: FAILED open or read
./boot/grub/x86_64-efi/priority_queue.mod: FAILED open or read
./boot/grub/x86_64-efi/probe.mod: FAILED open or read
./boot/grub/x86_64-efi/procfs.mod: FAILED open or read
./boot/grub/x86_64-efi/progress.mod: FAILED open or read
./boot/grub/x86_64-efi/raid5rec.mod: FAILED open or read
./boot/grub/x86_64-efi/raid6rec.mod: FAILED open or read
./boot/grub/x86_64-efi/read.mod: FAILED open or read
./boot/grub/x86_64-efi/reboot.mod: FAILED open or read
./boot/grub/x86_64-efi/regexp.mod: FAILED open or read
./boot/grub/x86_64-efi/reiserfs.mod: FAILED open or read
./boot/grub/x86_64-efi/relocator.mod: FAILED open or read
./boot/grub/x86_64-efi/romfs.mod: FAILED open or read
./boot/grub/x86_64-efi/scsi.mod: FAILED open or read
./boot/grub/x86_64-efi/serial.mod: FAILED open or read
./boot/grub/x86_64-efi/setjmp.mod: FAILED open or read
./boot/grub/x86_64-efi/setjmp_test.mod: FAILED open or read
./boot/grub/x86_64-efi/setpci.mod: FAILED open or read
./boot/grub/x86_64-efi/signature_test.mod: FAILED open or read
./boot/grub/x86_64-efi/sleep.mod: FAILED open or read
./boot/grub/x86_64-efi/sleep_test.mod: FAILED open or read
./boot/grub/x86_64-efi/spkmodem.mod: FAILED open or read
./boot/grub/x86_64-efi/squash4.mod: FAILED open or read
./boot/grub/x86_64-efi/syslinuxcfg.mod: FAILED open or read
./boot/grub/x86_64-efi/terminal.lst: FAILED open or read
./boot/grub/x86_64-efi/terminal.mod: FAILED open or read
./boot/grub/x86_64-efi/terminfo.mod: FAILED open or read
./boot/grub/x86_64-efi/test.mod: FAILED open or read
./boot/grub/x86_64-efi/test_blockarg.mod: FAILED open or read
./boot/grub/x86_64-efi/testload.mod: FAILED open or read
./boot/grub/x86_64-efi/testspeed.mod: FAILED open or read
./boot/grub/x86_64-efi/tftp.mod: FAILED open or read
./boot/grub/x86_64-efi/tga.mod: FAILED open or read
./boot/grub/x86_64-efi/time.mod: FAILED open or read
./boot/grub/x86_64-efi/tr.mod: FAILED open or read
./boot/grub/x86_64-efi/trig.mod: FAILED open or read
./boot/grub/x86_64-efi/true.mod: FAILED open or read
./boot/grub/x86_64-efi/udf.mod: FAILED open or read
./boot/grub/x86_64-efi/ufs1.mod: FAILED open or read
./boot/grub/x86_64-efi/ufs1_be.mod: FAILED open or read
./boot/grub/x86_64-efi/ufs2.mod: FAILED open or read
./boot/grub/x86_64-efi/uhci.mod: FAILED open or read
./boot/grub/x86_64-efi/usb.mod: FAILED open or read
./boot/grub/x86_64-efi/usb_keyboard.mod: FAILED open or read
./boot/grub/x86_64-efi/usbms.mod: FAILED open or read
./boot/grub/x86_64-efi/usbserial_common.mod: FAILED open or read
./boot/grub/x86_64-efi/usbserial_ftdi.mod: FAILED open or read
./boot/grub/x86_64-efi/usbserial_pl2303.mod: FAILED open or read
./boot/grub/x86_64-efi/usbserial_usbdebug.mod: FAILED open or read
./boot/grub/x86_64-efi/usbtest.mod: FAILED open or read
./boot/grub/x86_64-efi/verify.mod: FAILED open or read
./boot/grub/x86_64-efi/video.lst: FAILED open or read
./boot/grub/x86_64-efi/video.mod: FAILED open or read
./boot/grub/x86_64-efi/video_bochs.mod: FAILED open or read
./boot/grub/x86_64-efi/video_cirrus.mod: FAILED open or read
./boot/grub/x86_64-efi/video_colors.mod: FAILED open or read
./boot/grub/x86_64-efi/video_fb.mod: FAILED open or read
./boot/grub/x86_64-efi/videoinfo.mod: FAILED open or read
./boot/grub/x86_64-efi/videotest.mod: FAILED open or read
./boot/grub/x86_64-efi/videotest_checksum.mod: FAILED open or read
./boot/grub/x86_64-efi/xfs.mod: FAILED open or read
./boot/grub/x86_64-efi/xnu.mod: FAILED open or read
./boot/grub/x86_64-efi/xnu_uuid.mod: FAILED open or read
./boot/grub/x86_64-efi/xnu_uuid_test.mod: FAILED open or read
./boot/grub/x86_64-efi/xzio.mod: FAILED open or read
./boot/grub/x86_64-efi/zfscrypt.mod: FAILED open or read
./casper/filesystem.manifest: FAILED open or read
./casper/filesystem.manifest-remove: FAILED open or read
./casper/filesystem.size: FAILED open or read
./casper/filesystem.squashfs: FAILED open or read
./casper/initrd.lz: FAILED open or read
./casper/memtest: FAILED open or read
./casper/vmlinuz: FAILED open or read
./dists/trusty/Release: FAILED open or read
./dists/trusty/Release.gpg: FAILED open or read
./dists/trusty/main/binary-amd64/Packages.gz: FAILED open or read
./dists/trusty/main/binary-amd64/Release: FAILED open or read
./dists/trusty/main/binary-i386/Packages.gz: FAILED open or read
./dists/trusty/main/binary-i386/Release: FAILED open or read
./dists/trusty/restricted/binary-amd64/Packages.gz: FAILED open or read
./dists/trusty/restricted/binary-amd64/Release: FAILED open or read
./dists/trusty/restricted/binary-i386/Packages.gz: FAILED open or read
./dists/trusty/restricted/binary-i386/Release: FAILED open or read
./install/mt86plus: FAILED open or read
./isolinux/16x16.fnt: FAILED open or read
./isolinux/access.pcx: FAILED open or read
./isolinux/adtxt.cfg: FAILED open or read
./isolinux/am.tr: FAILED open or read
./isolinux/ast.tr: FAILED open or read
./isolinux/back.jpg: FAILED open or read
./isolinux/be.tr: FAILED open or read
./isolinux/bg.tr: FAILED open or read
./isolinux/blank.pcx: FAILED open or read
./isolinux/bootlogo: FAILED open or read
./isolinux/bs.tr: FAILED open or read
./isolinux/ca.tr: FAILED open or read
./isolinux/chain.c32: FAILED open or read
./isolinux/cs.tr: FAILED open or read
./isolinux/da.tr: FAILED open or read
./isolinux/de.tr: FAILED open or read
./isolinux/el.tr: FAILED open or read
./isolinux/en.tr: FAILED open or read
./isolinux/eo.tr: FAILED open or read
./isolinux/es.tr: FAILED open or read
./isolinux/et.tr: FAILED open or read
./isolinux/eu.tr: FAILED open or read
./isolinux/exithelp.cfg: FAILED open or read
./isolinux/fa.tr: FAILED open or read
./isolinux/fi.tr: FAILED open or read
./isolinux/fr.tr: FAILED open or read
./isolinux/ga.tr: FAILED open or read
./isolinux/gfxboot.c32: FAILED open or read
./isolinux/gfxboot.cfg: FAILED open or read
./isolinux/gl.tr: FAILED open or read
./isolinux/he.tr: FAILED open or read
./isolinux/hr.tr: FAILED open or read
./isolinux/hu.tr: FAILED open or read
./isolinux/id.tr: FAILED open or read
./isolinux/is.tr: FAILED open or read
./isolinux/isolinux.cfg: FAILED open or read
./isolinux/it.tr: FAILED open or read
./isolinux/ja.tr: FAILED open or read
./isolinux/ka.tr: FAILED open or read
./isolinux/kk.tr: FAILED open or read
./isolinux/kn.tr: FAILED open or read
./isolinux/ko.tr: FAILED open or read
./isolinux/ku.tr: FAILED open or read
./isolinux/langlist: FAILED open or read
./isolinux/lo.tr: FAILED open or read
./isolinux/lt.tr: FAILED open or read
./isolinux/lv.tr: FAILED open or read
./isolinux/menu.cfg: FAILED open or read
./isolinux/mk.tr: FAILED open or read
./isolinux/mr.tr: FAILED open or read
./isolinux/nb.tr: FAILED open or read
./isolinux/nl.tr: FAILED open or read
./isolinux/nn.tr: FAILED open or read
./isolinux/pl.tr: FAILED open or read
./isolinux/prompt.cfg: FAILED open or read
./isolinux/pt.tr: FAILED open or read
./isolinux/pt_BR.tr: FAILED open or read
./isolinux/ro.tr: FAILED open or read
./isolinux/ru.tr: FAILED open or read
./isolinux/si.tr: FAILED open or read
./isolinux/sk.tr: FAILED open or read
./isolinux/sl.tr: FAILED open or read
./isolinux/splash.pcx: FAILED open or read
./isolinux/splash.png: FAILED open or read
./isolinux/sq.tr: FAILED open or read
./isolinux/sr.tr: FAILED open or read
./isolinux/stdmenu.cfg: FAILED open or read
./isolinux/sv.tr: FAILED open or read
./isolinux/te.tr: FAILED open or read
./isolinux/tl.tr: FAILED open or read
./isolinux/tr.tr: FAILED open or read
./isolinux/txt.cfg: FAILED open or read
./isolinux/uk.tr: FAILED open or read
./isolinux/vesamenu.c32: FAILED open or read
./isolinux/vi.tr: FAILED open or read
./isolinux/zh_CN.tr: FAILED open or read
./isolinux/zh_TW.tr: FAILED open or read
./pics/blue-lowerleft.png: FAILED open or read
./pics/blue-lowerright.png: FAILED open or read
./pics/blue-upperleft.png: FAILED open or read
./pics/blue-upperright.png: FAILED open or read
./pics/debian.jpg: FAILED open or read
./pics/logo-50.jpg: FAILED open or read
./pics/red-lowerleft.png: FAILED open or read
./pics/red-lowerright.png: FAILED open or read
./pics/red-upperleft.png: FAILED open or read
./pics/red-upperright.png: FAILED open or read
./pool/main/b/b43-fwcutter/b43-fwcutter_018-2_amd64.deb: FAILED open or read
./pool/main/d/dkms/dkms_2.2.0.3-1.1ubuntu5.14.04_all.deb: FAILED open or read
./pool/main/e/efibootmgr/efibootmgr_0.5.4-7ubuntu1_amd64.deb: FAILED open or read
./pool/main/f/fakeroot/fakeroot_1.20-3ubuntu2_amd64.deb: FAILED open or read
./pool/main/f/fakeroot/libfakeroot_1.20-3ubuntu2_amd64.deb: FAILED open or read
./pool/main/g/grub2-signed/grub-efi-amd64-signed_1.34.1+2.02~beta2-9ubuntu1_amd64.deb: FAILED open or read
./pool/main/g/grub2/grub-efi-amd64-bin_2.02~beta2-9ubuntu1_amd64.deb: FAILED open or read
./pool/main/g/grub2/grub-efi-amd64_2.02~beta2-9ubuntu1_amd64.deb: FAILED open or read
./pool/main/g/grub2/grub-efi_2.02~beta2-9ubuntu1_amd64.deb: FAILED open or read
./pool/main/l/lupin/lupin-support_0.55_amd64.deb: FAILED open or read
./pool/main/m/mouseemu/mouseemu_0.16-0ubuntu9_amd64.deb: FAILED open or read
./pool/main/s/secureboot-db/secureboot-db_1.1_amd64.deb: FAILED open or read
./pool/main/s/setserial/setserial_2.17-48_amd64.deb: FAILED open or read
./pool/main/s/shim-signed/shim-signed_1.6+0.4-0ubuntu4_amd64.deb: FAILED open or read
./pool/main/s/shim/shim_0.4-0ubuntu4_amd64.deb: FAILED open or read
./pool/main/u/ubiquity-slideshow-ubuntu/oem-config-slideshow-ubuntu_83.1_all.deb: FAILED open or read
./pool/main/u/ubiquity/oem-config-gtk_2.18.8.6_all.deb: FAILED open or read
./pool/main/u/ubiquity/oem-config_2.18.8.6_all.deb: FAILED open or read
./pool/main/u/user-setup/user-setup_1.48ubuntu2_all.deb: FAILED open or read
./pool/main/w/wvdial/wvdial_1.61-4.1_amd64.deb: FAILED open or read
./pool/main/w/wvstreams/libuniconf4.6_4.6.1-7_amd64.deb: FAILED open or read
./pool/main/w/wvstreams/libwvstreams4.6-base_4.6.1-7_amd64.deb: FAILED open or read
./pool/main/w/wvstreams/libwvstreams4.6-extras_4.6.1-7_amd64.deb: FAILED open or read
./pool/restricted/b/bcmwl/bcmwl-kernel-source_6.30.223.141+bdcom-0ubuntu2_amd64.deb: FAILED open or read
    101 restricted/binary-i386/Release: FAILED open or read
     20 restricted/binary-i386/Packages.gz: FAILED open or read
      0 restricted/binary-i386/Packages: FAILED open or read
    102 restricted/binary-amd64/Release: FAILED open or read
    749 restricted/binary-amd64/Packages.gz: FAILED open or read
   1199 restricted/binary-amd64/Packages: FAILED open or read
     95 main/binary-i386/Release: FAILED open or read
     20 main/binary-i386/Packages.gz: FAILED open or read
      0 main/binary-i386/Packages: FAILED open or read
     96 main/binary-amd64/Release: FAILED open or read
  10320 main/binary-amd64/Packages.gz: FAILED open or read
  29960 main/binary-amd64/Packages: FAILED open or read
    101 restricted/binary-i386/Release: FAILED open or read
     20 restricted/binary-i386/Packages.gz: FAILED open or read
      0 restricted/binary-i386/Packages: FAILED open or read
    102 restricted/binary-amd64/Release: FAILED open or read
    749 restricted/binary-amd64/Packages.gz: FAILED open or read
   1199 restricted/binary-amd64/Packages: FAILED open or read
     95 main/binary-i386/Release: FAILED open or read
     20 main/binary-i386/Packages.gz: FAILED open or read
      0 main/binary-i386/Packages: FAILED open or read
     96 main/binary-amd64/Release: FAILED open or read
  10320 main/binary-amd64/Packages.gz: FAILED open or read
  29960 main/binary-amd64/Packages: FAILED open or read

1 Answer 1

5

Try shasum -a 256 elementaryos-freya-amd64.20150411.iso

The -c flag shouldn't be in there.

2

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.