macOS / MS Windows 的Adobe Acrobat PDF列印標楷體異常
MacOS 下的PDF送印至FujiXerox等PostScript印表機若列印出來如下圖，只有標楷體異常，如娃娃體或破字，在MS Windows下發生也可以此方式改善。
1. 在列印時開啟印表機的進階選項(Advanced)
2. 勾選以影像方式列印(Print as image)，如下圖，就可解決文字編碼轉換成印表機語言之問題。
Upgrade php and httpd(apache) on CentOS 7
1. for latest php from https://rpms.remirepo.net/ $ wget https://rpms.remirepo.net/enterprise/remi-release-7.rpm $ sudo rpm -ivh remi-release-7.rpm $ sudo yum -y --enablerepo='remi-php74' --enablerepo='remi' install php-7.4.29 2. for latest httpd from https://repo.codeit.guru/ $ wget https://repo.codeit.guru/codeit-repo-release.el7.rpm $ sudo rpm -ivh codeit-repo-release.el7.rpm $ sudo yum -y install httpd-2.4.53 3. If error message occurred on httpd-2.4.53 + php 5.4.X (Invalid command php...) modify /etc/httpd/conf.modules.d/00-mpm.conf disable mpm_event with #(sharp) and enable mpm_prefork with unsharp references https://rpms.remirepo.net/ https://repo.codeit.guru/ https://repo.codeit.guru/packages/centos/7/x86_64/ https://repo.ius.io/ https://tw.arip-photo.org/320126-error-start-apache-php-value-MDGNGZ https://www.datadoghq.com/blog/monitoring-apache-web-server-performance/#prefork-mpm #Cyber Security
