ark@mattionline:~/server$ ./arkserver update
[ …. ] Update ark-server: Checking for update: SteamCMD./steamcmd.sh: line 29: /home/ark/server/steamcmd/linux32/steamcmd: No such file or directory
[ FAIL ] Update ark-server: Checking for update: SteamCMD: Not returning version info
Solution:
apt-get install lib32gcc1 dpkg --add-architecture i386; sudo apt-get install libstdc++6:i386