安装软件包的时候报错如下：Package lgtoclnt-8.0.2-1.x86_64.<b>rpm is not signed</b>
[root@localhost linux_x86_64]# yum localinstall lgtoclnt-8.0.2-1.x86_64.rpm Loaded plugins: fastestmirror Setting up Local Package Process Examining lgtoclnt-8.0.2-1.x86_64.rpm: lgtoclnt-8.0.2-1.x86_64 Marking lgtoclnt-8.0.2-1.x86_64.rpm to be installed Loading mirror speeds from cached hostfile * base: mirrors.skyshe.cn * extras: mirror.bit.edu.cn * updates: mirror.bit.edu.cn Resolving Dependencies --> Running transaction check ---> Package lgtoclnt.x86_64 0:8.0.2-1 set to be updated --> Processing Dependency: libstdc++.so.5(CXXABI_1.2)(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5(GLIBCPP_3.2)(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5(GLIBCPP_3.2.2)(64bit) for package: lgtoclnt --> Processing Dependency: libXp.so.6()(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5()(64bit) for package: lgtoclnt --> Running transaction check ---> Package compat-libstdc++-33.x86_64 0:3.2.3-61 set to be updated ---> Package libXp.x86_64 0:1.0.0-8.1.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved =============================================================================================================================================================================================== Package Arch Version Repository Size =============================================================================================================================================================================================== Installing: lgtoclnt x86_64 8.0.2-1 /lgtoclnt-8.0.2-1.x86_64 185 M Installing for dependencies: compat-libstdc++-33 x86_64 3.2.3-61 base 227 k libXp x86_64 1.0.0-8.1.el5 base 23 k Transaction Summary =============================================================================================================================================================================================== Install 3 Package(s) Upgrade 0 Package(s) Total size: 185 M Is this ok [y/N]: y Downloading Packages: Package lgtoclnt-8.0.2-1.x86_64.rpm is not signed
解决方法：<b>将/etc/yum.conf中"gpgcheck=1"这一行改为"gpgcheck=0"即可</b>
[root@localhost linux_x86_64]# vi /etc/yum.conf [root@localhost linux_x86_64]# yum localinstall lgtoclnt-8.0.2-1.x86_64.rpm Loaded plugins: fastestmirror Setting up Local Package Process Examining lgtoclnt-8.0.2-1.x86_64.rpm: lgtoclnt-8.0.2-1.x86_64 Marking lgtoclnt-8.0.2-1.x86_64.rpm to be installed Loading mirror speeds from cached hostfile * base: mirrors.skyshe.cn * extras: mirrors.skyshe.cn * updates: mirrors.skyshe.cn base | 1.1 kB 00:00 extras | 2.1 kB 00:00 updates | 1.9 kB 00:00 Resolving Dependencies --> Running transaction check ---> Package lgtoclnt.x86_64 0:8.0.2-1 set to be updated --> Processing Dependency: libstdc++.so.5(CXXABI_1.2)(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5(GLIBCPP_3.2)(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5(GLIBCPP_3.2.2)(64bit) for package: lgtoclnt --> Processing Dependency: libXp.so.6()(64bit) for package: lgtoclnt --> Processing Dependency: libstdc++.so.5()(64bit) for package: lgtoclnt --> Running transaction check ---> Package compat-libstdc++-33.x86_64 0:3.2.3-61 set to be updated ---> Package libXp.x86_64 0:1.0.0-8.1.el5 set to be updated --> Finished Dependency Resolution Dependencies Resolved =============================================================================================================================================================================================== Package Arch Version Repository Size =============================================================================================================================================================================================== Installing: lgtoclnt x86_64 8.0.2-1 /lgtoclnt-8.0.2-1.x86_64 185 M Installing for dependencies: compat-libstdc++-33 x86_64 3.2.3-61 base 227 k libXp x86_64 1.0.0-8.1.el5 base 23 k Transaction Summary =============================================================================================================================================================================================== Install 3 Package(s) Upgrade 0 Package(s) Total size: 185 M Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing : compat-libstdc++-33 1/3 Installing : libXp 2/3 Installing : lgtoclnt 3/3 Installed: lgtoclnt.x86_64 0:8.0.2-1 Dependency Installed: compat-libstdc++-33.x86_64 0:3.2.3-61 libXp.x86_64 0:1.0.0-8.1.el5 Complete!
gpgchkeck= 有1和0两个选择，分别代表是否是否进行gpg校验，确保下载包的完整性，是开启，0是不开启，一般情况可以关掉。
总结：作为一名dba有时候需要了解些操作系统的知识，否则寸步难行啊；
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