1. 編輯源配置文件 /etc/yum.repos.d/epel.repo,將內容修改成下面的內容:
[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
[epel-debuginfo]
name=Extra Packages for Enterprise Linux 7 - $basearch - Debug
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch/debug
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-7&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1
[epel-source]
name=Extra Packages for Enterprise Linux 7 - $basearch - Source
#baseurl=http://download.fedoraproject.org/pub/epel/7/SRPMS
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-7&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
gpgcheck=1
2.
諮詢如下指令載入新軟件源配置:
$ yum makecache
$ yum repolist:
3.查看mariadb是否安裝,如果安裝要刪除,否則無法安裝mysql
[root@xialc
~]# rpm -qa |grep -i mariadb
mariadb-5.5.56-2.el7.x86_64
mariadb-libs-5.5.56-2.el7.x86_64
[root@xialc
~]# rpm -e --nodeps mariadb-5.5.56-2.el7.x86_64
[root@xialc ~]# rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64
[root@xialc ~]# rpm -qa |grep -i mariadb
[root@xialc
~]# wget https://repo.mysql.com//mysql57-community-release-el7-11.noarch.rpm
[root@xialc
~]# yum localinstall mysql57-community-release-el7-11.noarch.rpm
5.查看默認登錄密碼
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
這個其實與validate_password_policy的值有關。
validate_password_policy有以下取值:
Policy | Tests Performed |
---|---|
0 or LOW |
Length |
1 or MEDIUM |
Length; numeric, lowercase/uppercase, and special characters |
2 or STRONG |
Length; numeric, lowercase/uppercase, and special characters; dictionary file |
默認是1,即MEDIUM,所以剛開始設置的密碼必須符合長度,且必須含有數字,小寫或大寫字母,特殊字符。
有時候,只是爲了自己測試,不想密碼設置得那麼複雜,譬如說,我只想設置root的密碼爲123456。
必須修改兩個全局參數:
首先,修改validate_password_policy參數的值
#查看內置的JDK
rpm -qa | grep jdk
#卸載內置的JDK
yum remove java-1.6.0-openjdk
yum remove java-1.7.0-openjdk
[root@xialc ~]# ls /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64/
[root@xialc ~]# yum install java-1.8.0-openjdk.x86_64
# 修改配置文件
wget http://apache.forsale.plus/tomcat/tomcat-8/v8.5.23/bin/apache-tomcat-8.5.23.tar.gz
- 1
解壓:
tar -zxvf apache-tomcat-8.0.33.tar.gz -C /opt/soft
- 1
啓動Tomcat:
cd /opt/soft/apache-tomcat-8.0.33/bin/
./startup.sh
firewall-cmd
--zone=public
--add-port=8080/tcp
--permanent