LaravelにValet globallyをインストールするには？

Question

Laravel's Valetに問題がありましたので、アンインストールして再インストールしようとしました。私は、コマンドcomposer global require laravel/valetを入力すると、再インストール時には、私は正確に何がここで起こっているこの非常に長いエラー

Your requirements could not be resolved to an installable set of packages. 

Problem 1 
- Conclusion: don't install symfony/process v3.4.1 
- Conclusion: don't install laravel/valet v2.0.6 
- Conclusion: don't install laravel/valet v2.0.5 
- Conclusion: don't install laravel/valet v2.0.4 
- Conclusion: don't install laravel/valet v2.0.3 
- Conclusion: don't install laravel/valet v2.0.1 
- Conclusion: don't install symfony/process v3.4.0 
- Conclusion: remove symfony/console v4.0.1 
- Conclusion: don't install symfony/console v4.0.1 
- symfony/process v2.7.0 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.1 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.10 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.11 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.12 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.13 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.14 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.15 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.16 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.17 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.18 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.19 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.2 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.20 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.21 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.22 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.23 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.24 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.25 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.26 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.27 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.28 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.29 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.3 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.30 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.31 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.32 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.33 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.34 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.35 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.36 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.37 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.38 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.39 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.4 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.5 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.6 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.7 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.8 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.7.9 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.0 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.1 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.10 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.11 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.12 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.13 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.14 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.15 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.16 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.17 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.18 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.19 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.2 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.20 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.21 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.22 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.23 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.24 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.25 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.26 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.27 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.28 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.29 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.3 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.30 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.31 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.32 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.4 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.5 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.6 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.7 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.8 conflicts with symfony/console[v4.0.1]. 
- symfony/process v2.8.9 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.0 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.1 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.2 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.3 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.4 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.5 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.6 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.7 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.8 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.0.9 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.0 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.1 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.10 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.2 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.3 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.4 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.5 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.6 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.7 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.8 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.1.9 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.0 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.1 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.10 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.11 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.12 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.13 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.14 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.2 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.3 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.4 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.5 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.6 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.7 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.8 conflicts with symfony/console[v4.0.1]. 
- symfony/process v3.2.9 conflicts with symfony/console[v4.0.1]. 
- Conclusion: remove symfony/process v4.0.1|install symfony/process v2.7.0|install symfony/process v2.7.1|install symfony/process v2.7.10|install symfony/process v2.7.11|install symfony/process v2.7.12|install symfony/process v2.7.13|install symfony/process v2.7.14|install symfony/process v2.7.15|install symfony/process v2.7.16|install symfony/process v2.7.17|install symfony/process v2.7.18|install symfony/process v2.7.19|install symfony/process v2.7.2|install symfony/process v2.7.20|install symfony/process v2.7.21|install symfony/process v2.7.22|install symfony/process v2.7.23|install symfony/process v2.7.24|install symfony/process v2.7.25|install symfony/process v2.7.26|install symfony/process v2.7.27|install symfony/process v2.7.28|install symfony/process v2.7.29|install symfony/process v2.7.3|install symfony/process v2.7.30|install symfony/process v2.7.31|install symfony/process v2.7.32|install symfony/process v2.7.33|install symfony/process v2.7.34|install symfony/process v2.7.35|install symfony/process v2.7.36|install symfony/process v2.7.37|install symfony/process v2.7.38|install symfony/process v2.7.39|install symfony/process v2.7.4|install symfony/process v2.7.5|install symfony/process v2.7.6|install symfony/process v2.7.7|install symfony/process v2.7.8|install symfony/process v2.7.9|install symfony/process v2.8.0|install symfony/process v2.8.1|install symfony/process v2.8.10|install symfony/process v2.8.11|install symfony/process v2.8.12|install symfony/process v2.8.13|install symfony/process v2.8.14|install symfony/process v2.8.15|install symfony/process v2.8.16|install symfony/process v2.8.17|install symfony/process v2.8.18|install symfony/process v2.8.19|install symfony/process v2.8.2|install symfony/process v2.8.20|install symfony/process v2.8.21|install symfony/process v2.8.22|install symfony/process v2.8.23|install symfony/process v2.8.24|install symfony/process v2.8.25|install symfony/process v2.8.26|install symfony/process v2.8.27|install symfony/process v2.8.28|install symfony/process v2.8.29|install symfony/process v2.8.3|install symfony/process v2.8.30|install symfony/process v2.8.31|install symfony/process v2.8.32|install symfony/process v2.8.4|install symfony/process v2.8.5|install symfony/process v2.8.6|install symfony/process v2.8.7|install symfony/process v2.8.8|install symfony/process v2.8.9|install symfony/process v3.0.0|install symfony/process v3.0.1|install symfony/process v3.0.2|install symfony/process v3.0.3|install symfony/process v3.0.4|install symfony/process v3.0.5|install symfony/process v3.0.6|install symfony/process v3.0.7|install symfony/process v3.0.8|install symfony/process v3.0.9|install symfony/process v3.1.0|install symfony/process v3.1.1|install symfony/process v3.1.10|install symfony/process v3.1.2|install symfony/process v3.1.3|install symfony/process v3.1.4|install symfony/process v3.1.5|install symfony/process v3.1.6|install symfony/process v3.1.7|install symfony/process v3.1.8|install symfony/process v3.1.9|install symfony/process v3.2.0|install symfony/process v3.2.1|install symfony/process v3.2.10|install symfony/process v3.2.11|install symfony/process v3.2.12|install symfony/process v3.2.13|install symfony/process v3.2.14|install symfony/process v3.2.2|install symfony/process v3.2.3|install symfony/process v3.2.4|install symfony/process v3.2.5|install symfony/process v3.2.6|install symfony/process v3.2.7|install symfony/process v3.2.8|install symfony/process v3.2.9 
- Conclusion: don't install symfony/process v3.3.14|keep symfony/process v4.0.1 
- Installation request for symfony/console (locked at v4.0.1, required as ^4.0) -> satisfiable by symfony/console[v4.0.1]. 
- Installation request for laravel/valet ^2.0 -> satisfiable by laravel/valet[v2.0.0, v2.0.1, v2.0.3, v2.0.4, v2.0.5, v2.0.6]. 
- Conclusion: don't install symfony/process v4.0.1|install symfony/process v2.7.0|install symfony/process v2.7.1|install symfony/process v2.7.10|install symfony/process v2.7.11|install symfony/process v2.7.12|install symfony/process v2.7.13|install symfony/process v2.7.14|install symfony/process v2.7.15|install symfony/process v2.7.16|install symfony/process v2.7.17|install symfony/process v2.7.18|install symfony/process v2.7.19|install symfony/process v2.7.2|install symfony/process v2.7.20|install symfony/process v2.7.21|install symfony/process v2.7.22|install symfony/process v2.7.23|install symfony/process v2.7.24|install symfony/process v2.7.25|install symfony/process v2.7.26|install symfony/process v2.7.27|install symfony/process v2.7.28|install symfony/process v2.7.29|install symfony/process v2.7.3|install symfony/process v2.7.30|install symfony/process v2.7.31|install symfony/process v2.7.32|install symfony/process v2.7.33|install symfony/process v2.7.34|install symfony/process v2.7.35|install symfony/process v2.7.36|install symfony/process v2.7.37|install symfony/process v2.7.38|install symfony/process v2.7.39|install symfony/process v2.7.4|install symfony/process v2.7.5|install symfony/process v2.7.6|install symfony/process v2.7.7|install symfony/process v2.7.8|install symfony/process v2.7.9|install symfony/process v2.8.0|install symfony/process v2.8.1|install symfony/process v2.8.10|install symfony/process v2.8.11|install symfony/process v2.8.12|install symfony/process v2.8.13|install symfony/process v2.8.14|install symfony/process v2.8.15|install symfony/process v2.8.16|install symfony/process v2.8.17|install symfony/process v2.8.18|install symfony/process v2.8.19|install symfony/process v2.8.2|install symfony/process v2.8.20|install symfony/process v2.8.21|install symfony/process v2.8.22|install symfony/process v2.8.23|install symfony/process v2.8.24|install symfony/process v2.8.25|install symfony/process v2.8.26|install symfony/process v2.8.27|install symfony/process v2.8.28|install symfony/process v2.8.29|install symfony/process v2.8.3|install symfony/process v2.8.30|install symfony/process v2.8.31|install symfony/process v2.8.32|install symfony/process v2.8.4|install symfony/process v2.8.5|install symfony/process v2.8.6|install symfony/process v2.8.7|install symfony/process v2.8.8|install symfony/process v2.8.9|install symfony/process v3.0.0|install symfony/process v3.0.1|install symfony/process v3.0.2|install symfony/process v3.0.3|install symfony/process v3.0.4|install symfony/process v3.0.5|install symfony/process v3.0.6|install symfony/process v3.0.7|install symfony/process v3.0.8|install symfony/process v3.0.9|install symfony/process v3.1.0|install symfony/process v3.1.1|install symfony/process v3.1.10|install symfony/process v3.1.2|install symfony/process v3.1.3|install symfony/process v3.1.4|install symfony/process v3.1.5|install symfony/process v3.1.6|install symfony/process v3.1.7|install symfony/process v3.1.8|install symfony/process v3.1.9|install symfony/process v3.2.0|install symfony/process v3.2.1|install symfony/process v3.2.10|install symfony/process v3.2.11|install symfony/process v3.2.12|install symfony/process v3.2.13|install symfony/process v3.2.14|install symfony/process v3.2.2|install symfony/process v3.2.3|install symfony/process v3.2.4|install symfony/process v3.2.5|install symfony/process v3.2.6|install symfony/process v3.2.7|install symfony/process v3.2.8|install symfony/process v3.2.9|install symfony/process v3.3.14 
- laravel/valet v2.0.0 requires symfony/process ~2.7|~3.0 -> satisfiable by symfony/process[v2.7.0, v2.7.1, v2.7.10, v2.7.11, v2.7.12, v2.7.13, v2.7.14, v2.7.15, v2.7.16, v2.7.17, v2.7.18, v2.7.19, v2.7.2, v2.7.20, v2.7.21, v2.7.22, v2.7.23, v2.7.24, v2.7.25, v2.7.26, v2.7.27, v2.7.28, v2.7.29, v2.7.3, v2.7.30, v2.7.31, v2.7.32, v2.7.33, v2.7.34, v2.7.35, v2.7.36, v2.7.37, v2.7.38, v2.7.39, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.10, v2.8.11, v2.8.12, v2.8.13, v2.8.14, v2.8.15, v2.8.16, v2.8.17, v2.8.18, v2.8.19, v2.8.2, v2.8.20, v2.8.21, v2.8.22, v2.8.23, v2.8.24, v2.8.25, v2.8.26, v2.8.27, v2.8.28, v2.8.29, v2.8.3, v2.8.30, v2.8.31, v2.8.32, v2.8.4, v2.8.5, v2.8.6, v2.8.7, v2.8.8, v2.8.9, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9, v3.1.0, v3.1.1, v3.1.10, v3.1.2, v3.1.3, v3.1.4, v3.1.5, v3.1.6, v3.1.7, v3.1.8, v3.1.9, v3.2.0, v3.2.1, v3.2.10, v3.2.11, v3.2.12, v3.2.13, v3.2.14, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.2.6, v3.2.7, v3.2.8, v3.2.9, v3.3.0, v3.3.1, v3.3.10, v3.3.11, v3.3.12, v3.3.13, v3.3.14, v3.3.2, v3.3.3, v3.3.4, v3.3.5, v3.3.6, v3.3.7, v3.3.8, v3.3.9, v3.4.0, v3.4.1]. 
- Can only install one of: symfony/process[v3.3.0, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.1, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.10, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.11, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.12, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.13, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.2, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.3, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.4, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.5, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.6, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.7, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.8, v4.0.1]. 
- Can only install one of: symfony/process[v3.3.9, v4.0.1]. 
- Installation request for symfony/process (locked at v4.0.1) -> satisfiable by symfony/process[v4.0.1]. 


Installation failed, reverting ./composer.json to its original content. 

を取得し、私は、グローバルバレー理由をインストールすることはできませんか？私はそれがおそらく何らかの種類の依存関係の問題であることを認識していますが、それは私には意味がありません。

Answer 1

https://stackoverflow.com/a/27754096をご覧ください。symfony/consoleはバージョン4.0.1でリストされていますか？あるいは少なくともsymfony/consoleが