本文介绍了解决在Linux环境下遇到的xhost命令未找到的问题。通过使用yum工具安装了xorg-x11-server-utils包及其依赖项，成功安装了xhost命令。此过程涉及查找、安装及验证相关软件包。
问题：
[oracle@*** database]$ xhost +
bash: xhost: command not found
解决方法：
安装xhost命令相关包即可。
[oracle@*** database]$ yum whatprovides "*/xhost"
Loaded plugins: fastestmirror, langpacks
Determining fastest mirrors
* base: 100.125.0.40
* extras: 100.125.0.40
* updates: 100.125.0.40
base/7/x86_64/filelists_db | 7.1 MB 00:00:00
extras/7/x86_64/filelists_db | 246 kB 00:00:00
updates/7/x86_64/filelists_db | 4.3 MB 00:00:00
xorg-x11-server-utils-7.7-20.el7.x86_64 : X.Org X11 X server utilities
Repo : base
Matched from:
Filename : /usr/bin/xhost
[oracle@*** database]$ su root
Password:
[root@*** database]# yum -y install xorg-x11-server-utils-7.7-20.el7.x86_64
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: 100.125.0.40
* extras: 100.125.0.40
* updates: 100.125.0.40
Resolving Dependencies
--> Running transaction check
---> Package xorg-x11-server-utils.x86_64 0:7.7-20.el7 will be installed
--> Processing Dependency: libXxf86vm.so.1()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Processing Dependency: libXxf86misc.so.1()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Processing Dependency: libXrandr.so.2()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Processing Dependency: libXinerama.so.1()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Processing Dependency: libXi.so.6()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Processing Dependency: libXcursor.so.1()(64bit) for package: xorg-x11-server-utils-7.7-20.el7.x86_64
--> Running transaction check
---> Package libXcursor.x86_64 0:1.1.15-1.el7 will be installed
--> Processing Dependency: libXfixes.so.3()(64bit) for package: libXcursor-1.1.15-1.el7.x86_64
---> Package libXi.x86_64 0:1.7.9-1.el7 will be installed
---> Package libXinerama.x86_64 0:1.1.3-2.1.el7 will be installed
---> Package libXrandr.x86_64 0:1.5.1-2.el7 will be installed
---> Package libXxf86misc.x86_64 0:1.0.3-7.1.el7 will be installed
---> Package libXxf86vm.x86_64 0:1.1.4-1.el7 will be installed
--> Running transaction check
---> Package libXfixes.x86_64 0:5.0.3-1.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================================================================================================================================================================================================================
Package Arch Version Repository Size
==============================================================================================================================================================================================================================================================================
Installing:
xorg-x11-server-utils x86_64 7.7-20.el7 base 178 k
Installing for dependencies:
libXcursor x86_64 1.1.15-1.el7 base 30 k
libXfixes x86_64 5.0.3-1.el7 base 18 k
libXi x86_64 1.7.9-1.el7 base 40 k
libXinerama x86_64 1.1.3-2.1.el7 base 14 k
libXrandr x86_64 1.5.1-2.el7 base 27 k
libXxf86misc x86_64 1.0.3-7.1.el7 base 19 k
libXxf86vm x86_64 1.1.4-1.el7 base 18 k
Transaction Summary
==============================================================================================================================================================================================================================================================================
Install 1 Package (+7 Dependent packages)
Total download size: 345 k
Installed size: 678 k
Downloading packages:
(1/8): libXcursor-1.1.15-1.el7.x86_64.rpm | 30 kB 00:00:00
(2/8): libXfixes-5.0.3-1.el7.x86_64.rpm | 18 kB 00:00:00
(3/8): libXi-1.7.9-1.el7.x86_64.rpm | 40 kB 00:00:00
(4/8): libXinerama-1.1.3-2.1.el7.x86_64.rpm | 14 kB 00:00:00
(5/8): libXrandr-1.5.1-2.el7.x86_64.rpm | 27 kB 00:00:00
(6/8): libXxf86misc-1.0.3-7.1.el7.x86_64.rpm | 19 kB 00:00:00
(7/8): libXxf86vm-1.1.4-1.el7.x86_64.rpm | 18 kB 00:00:00
(8/8): xorg-x11-server-utils-7.7-20.el7.x86_64.rpm | 178 kB 00:00:00
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 5.5 MB/s | 345 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
Installing : libXfixes-5.0.3-1.el7.x86_64 1/8
Installing : libXcursor-1.1.15-1.el7.x86_64 2/8
Installing : libXrandr-1.5.1-2.el7.x86_64 3/8
Installing : libXxf86vm-1.1.4-1.el7.x86_64 4/8
Installing : libXi-1.7.9-1.el7.x86_64 5/8
Installing : libXinerama-1.1.3-2.1.el7.x86_64 6/8
Installing : libXxf86misc-1.0.3-7.1.el7.x86_64 7/8
Installing : xorg-x11-server-utils-7.7-20.el7.x86_64 8/8
Verifying : libXxf86misc-1.0.3-7.1.el7.x86_64 1/8
Verifying : libXinerama-1.1.3-2.1.el7.x86_64 2/8
Verifying : libXi-1.7.9-1.el7.x86_64 3/8
Verifying : libXxf86vm-1.1.4-1.el7.x86_64 4/8
Verifying : libXcursor-1.1.15-1.el7.x86_64 5/8
Verifying : libXrandr-1.5.1-2.el7.x86_64 6/8
Verifying : xorg-x11-server-utils-7.7-20.el7.x86_64 7/8
Verifying : libXfixes-5.0.3-1.el7.x86_64 8/8
Installed:
xorg-x11-server-utils.x86_64 0:7.7-20.el7
Dependency Installed:
libXcursor.x86_64 0:1.1.15-1.el7 libXfixes.x86_64 0:5.0.3-1.el7 libXi.x86_64 0:1.7.9-1.el7 libXinerama.x86_64 0:1.1.3-2.1.el7 libXrandr.x86_64 0:1.5.1-2.el7 libXxf86misc.x86_64 0:1.0.3-7.1.el7 libXxf86vm.x86_64 0:1.1.4-1.el7
Complete!
如果有写的不对的地方，请大家多多批评指正，非常感谢！
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