2021-06-23 ゞ 浴缸里的玫瑰 2022-10-09 03:16 56阅读 0赞 ## 1、使用yum安装插件时,出现了下面的错误 ## YumRepo Error: All mirror URLs are not using ftp, http\[s\] or file. 解决办法为: 更换yum源配置文件内容(vim /etc/yum.repos.d/CentOS-Base.repo): [base] name=CentOS-$releasever - Base #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/ gpgcheck=1 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 gpgkey=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$releasever - Updates #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/updates/x86_64/ gpgcheck=1 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 gpgkey=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/extras/x86_64/ gpgcheck=1 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 gpgkey=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/centosplus/x86_64/ gpgcheck=1 enabled=0 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6 gpgkey=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/RPM-GPG-KEY-CentOS-7 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib&infra=$infra #baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/ baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/contrib/x86_64/ gpgcheck=1 enabled=0 #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 gpgkey=https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.6.1810/os/x86_64/RPM-GPG-KEY-CentOS-7 通过上面的修改,我顺利安装了dos2unix、libaio yum -y install dos2unix\* yum -y install libaio\* ## 2、卸载centos自带的java ## * rpm查询java安装包名称 rpm -qa | grep java 可以多次查询确认已安装的java rpm -qa |grep java rpm -qa |grep jdk rpm -qa |grep gcj 下面是我查到的java程序: java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86\_64 java\_cup-0.10k-5.el6.x86\_64 tzdata-java-2013g-1.el6.noarch java-1.5.0-gcj-1.5.0.0-29.1.el6.x86\_64 pki-java-tools-9.0.3-32.el6.noarch java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86\_64 * 查询安装包安装到系统的文件位置 rpm -ql java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86\_64 * 查询安装包安装到系统的文件位置并显示文件状态 rpm -qs java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86\_64 * rmp删除安装包 rpm -e --nodeps java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86\_64 rpm -e --nodeps java\_cup-0.10k-5.el6.x86\_64 rpm -e --nodeps tzdata-java-2013g-1.el6.noarch rpm -e --nodeps java-1.5.0-gcj-1.5.0.0-29.1.el6.x86\_64 rpm -e --nodeps pki-java-tools-9.0.3-32.el6.noarch rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86\_64 注意:删除后使用rpm -qa | grep java查询是否有安装 * find命令查询是否有相关文件夹,如果有可以使用rm进行删除(rm -rf /etc) find / -name java find / -name jdk find / -name jre find / -name gcj ## 3、配置java环境 ## * 通过以下命令,将jdk安装包解压到指定的文件夹 tar -zxvf /opt/mytool/tomcat/ jdk-8u231-linux-x64.tar.gz -C /home/test/java * 添加环境变量 vim /etc/profile export JAVA_HOME=/home/test/java/jdk1.8.0_231 export JRE_HOME=/home/test/java/jdk1.8.0_65/jre export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH source /etc/profile 刷新配置文件 * 查看java版本 java -version ## 4、安装mysql ## 安装之前先检查是否已安装,是否要将已安装的程序卸载,卸载过程通Java 查看centos 版本 cat /etc/redhat-release
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