redhat7.5在部署oracle 12.2、18.3時候，安裝界面可能會出現亂碼，這個是由於安裝redhat7.x的時候少裝了字體包，缺少字體所致，另外在安裝goldengate時候也會出現亂碼，安裝部署時界面亂碼如下：
這時可以安裝如下字體：
yum install -y cjkuni-uming-fonts
如果還是亂碼可以考慮安把下面的字體都安裝上：
yum install -y cjkuni-uming-fonts
yum install -y dejavu-sans-fonts
yum install -y dejavu-sans-mono-fonts
yum install -y dejavu-serif-fonts
yum install -y gnu-free-mono-fonts
yum install -y gnu-free-sans-fonts
yum install -y gnu-free-serif-fonts
yum install -y google-crosextra-caladea-fonts
yum install -y google-crosextra-carlito-fonts
yum install -y jomolhari-fonts
yum install -y khmeros-base-fonts
yum install -y liberation-mono-fonts
yum install -y liberation-sans-fonts
yum install -y liberation-serif-fonts
yum install -y lklug-fonts
yum install -y lohit-assamese-fonts
yum install -y lohit-bengali-fonts
yum install -y lohit-devanagari-fonts
yum install -y lohit-gujarati-fonts
yum install -y lohit-kannada-fonts
yum install -y lohit-malayalam-fonts
yum install -y lohit-marathi-fonts
yum install -y lohit-nepali-fonts
yum install -y lohit-oriya-fonts
yum install -y lohit-punjabi-fonts
yum install -y lohit-tamil-fonts
yum install -y lohit-telugu-fonts
yum install -y madan-fonts
yum install -y nhn-nanum-gothic-fonts
yum install -y open-sans-fonts
yum install -y overpass-fonts
yum install -y paktype-naskh-basic-fonts
yum install -y paratype-pt-sans-fonts
yum install -y sil-abyssinica-fonts
yum install -y sil-nuosu-fonts
yum install -y sil-padauk-fonts
yum install -y smc-meera-fonts
yum install -y thai-scalable-waree-fonts
yum install -y ucs-miscfixed-fonts
yum install -y vlgothic-fonts
yum install -y wqy-microhei-fonts
yum install -y wqy-zenhei-fonts
安裝好字體後，重新登錄安裝：
