这篇文章主要介绍“怎么解决oracle的Missing command :fuser问题”，在日常操作中，相信很多人在怎么解决oracle的Missing command :fuser问题问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”怎么解决oracle的Missing command :fuser问题”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
问题现象：
[oracle@dbserver 24006111]$ opatch apply Oracle Interim Patch Installer version 11.2.0.4 copyright (c) 2017, Oracle Corporation. All rights reserved. Oracle Home : /u01/app/oracle/product/11.2.0/db_1 Central Inventory : /u01/app/oraInventory from : /u01/app/oracle/product/11.2.0/db_1/oraInst.loc OPatch version : 11.2.0.3.12 OUI version : 11.2.0.4.0 Log file location : /DBSoft/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/opatch3019-08-20_15-36-30AM_1.log Verifying environment and performing prerequisite checks... Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser Prerequisite check "CheckSystemCommandAvailable" Failed. The details are: Missing command :fuser UtilSession Failed: Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed. Prerequisite check "CheckSystemCommandAvailable" Failed.
问题分析：
从输出的日志来看，是没有找到fuser 这个命令，我们需要安装fuser这个命令，让报错不在重现即可。
参考文档：
参考mos：1581604.1，安装psmisc rpm包解决该问题。
问题解决：
根据mos问题提示，需安装psmsic。
[root@dbserver ~]# export [root@dbserver ~]# yum -y install psmsic Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile No package psmsic available. Error: nothing to do [root@dbserver ~]# yum -y install psmisc Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package psmisc.x86_64 0:22.20-9.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: psmisc x86_64 22.20-9.el7 base 140 k Transaction Summary ================================================================================ Install 1 Package Total download size: 140 k Installed size: 479 k Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : psmisc-22.20-9.el7.x86_64 1/1 Verifying : psmisc-22.20-9.el7.x86_64 1/1 Installed: psmisc.x86_64 0:22.20-9.el7 Complete! [root@dbserver ~]#
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