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Coreutils cksum missing.

  • Hi All,
    I want to use the cksum command which is part of coreutils, or rather should be.
    I have coreutils installed on my Omega2 + , but the cksum command is not available.
    How do I add/compile coreutils to include this command or make it available ?

    Any advice will be much appreciated.

    Thank you.

  • @nix666 You can build coreutils with cksum included using the build system, it seems it is not inlcued in the standard OpenWrt build of coreutils.

    The docs of how to set up a build system are here:


  • @nix666 You didn't tell us what firmware are you using - as usual 😉

    For example:

    # Omega2+ with FW v0.3.2 b234
    root@Omega-99A5:/# opkg update
    root@Omega-99A5:/# opkg install coreutils-cksum
    Installing coreutils-cksum (8.23-4) to root...
    Downloading http://repo.onioniot.com/omega2/packages/packages/coreutils-cksum_8.23-4_mipsel_24kc.ipk
    Configuring coreutils-cksum.
    root@Omega-99A5:/# cksum --help
    Usage: cksum [FILE]...
      or:  cksum [OPTION]
    Print CRC checksum and byte counts of each FILE.
          --help     display this help and exit
          --version  output version information and exit
    GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
    Report cksum translation bugs to <http://translationproject.org/team/>
    For complete documentation, run: info coreutils 'cksum invocation'
    # --------------------------------------------------------------------
    root@Omega-99A5:/# ls -l /bin/busybox
    -rwxr-xr-x    1 root     root        327736 Feb 25 17:23 /bin/busybox
    root@Omega-99A5:/# cksum /bin/busybox
    1680533124 327736 /bin/busybox

    Good luck.

  • Thanks for the reply, both of you. My apologies for not mentioning my firmware version. I managed to download cksum on its own from here : https://downloads.openwrt.org/releases/17.01.7/packages/mipsel_24kc/packages/
    Package name is coreutils-cksum_8.23-3_mipsel_24kc.ipk. Installed it via opkg.

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