how to run hashcat in a distributed environment

[philsmd]

1.

Code:

hashcat --keyspace -a 3 ?a?a?a?a?a?a?a
81450625

2.

Code:

81450625 / 10 = 8145063

3.

Code:

hashcat -m 0 -a 3 -w 4 --skip        0 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip  8145063 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 16290126 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 24435189 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 32580252 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 40725315 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 48870378 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 57015441 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 65160504 --limit 8145063 hash_file.txt ?a?a?a?a?a?a?a
hashcat -m 0 -a 3 -w 4 --skip 73305567                 hash_file.txt ?a?a?a?a?a?a?a

It's very easy, it couldn't be easier than that.
Furthermore, there are a lot of 3th party tools (like hashtopussy etc) - wrappers - that show you how to do it. This question is also among the most answered and therefore easy to find the answer if you use the forum search.