Git config with two remote repositories (GitHub + Remote server)

config

[core]
	repositoryformatversion = 0
	filemode = false
	bare = false
	logallrefupdates = true
	symlinks = false
	ignorecase = true
[remote "origin"]
	url = ssh://username@ssh.server_adress:22/home/username/git/myproject.git
	fetch = +refs/heads/*:refs/remotes/origin/*
[remote "github"]
	url = git@github.com:UserName/myproject
	fetch = +refs/heads/*:refs/remotes/github/*
[remote "all"]
	url = ssh://username@ssh.server_adress:22/home/username/git/myproject.git
	pushurl = ssh://username@ssh.server_adress:22/home/username/git/myproject.git
	pushurl = git@github.com:UserName/myproject
	fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
	remote = origin
	merge = refs/heads/master
[branch "dev"]
	remote = origin
	merge = refs/heads/dev