1 错误提示如下：
 2 [root@linux1 php]# git push -u origin master
 3 To git@github.com:kangvcar/Results-Systems--PHP.git
 4  ! [rejected]        master -> master (fetch first)
 5 error: failed to push some refs to ‘git@github.com:kangvcar/Results-Systems--PHP.git‘
 6 hint: Updates were rejected because the remote contains work that you do
 7 hint: not have locally. This is usually caused by another repository pushing
 8 hint: to the same ref. You may want to first merge the remote changes (e.g.,
 9 hint: ‘git pull‘) before pushing again.
10 hint: See the ‘Note about fast-forwards‘ in ‘git push --help‘ for details.

 1 [root@linux1 qimo]# git push -f
 2 warning: push.default is unset; its implicit value is changing in
 3 Git 2.0 from ‘matching‘ to ‘simple‘. To squelch this message
 4 and maintain the current behavior after the default changes, use:
 5 
 6   git config --global push.default matching
 7 
 8 To squelch this message and adopt the new behavior now, use:
 9 
10   git config --global push.default simple
11 
12 See ‘git help config‘ and search for ‘push.default‘ for further information.
13 (the ‘simple‘ mode was introduced in Git 1.7.11. Use the similar mode
14 ‘current‘ instead of ‘simple‘ if you sometimes use older versions of Git)
15 
16 Counting objects: 53, done.
17 Compressing objects: 100% (53/53), done.
18 Writing objects: 100% (53/53), 1.35 MiB | 55.00 KiB/s, done.
19 Total 53 (delta 8), reused 0 (delta 0)
20 remote: Resolving deltas: 100% (8/8), done.
21 To git@github.com:kangvcar/Results-Systems--PHP.git
22  + fbe05e8...70b187d master -> master (forced update)

1 [root@linux1 qimo]# git pull --rebase origin master
2 [root@linux1 qimo]# git push -u origin master