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。
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CentOS 8 install tcp_wrappers to protect from tcp malicious connection
1. 2. Configurate /etc/hosts.deny and /etc/hosts.allow ALL: in.fingerd: sshd: in.tftpd: portmap: References https://pkgs.org/download/libwrap.so.0()(64bit)
Brightness blink problem on Dell Vostro laptop
1. download and install latest IGD and NVIDIA driver Intel Xe IGD https://www.intel.com/content/www/us/en/download/19344/intel-graphics-windows-dch-drivers.html Intel DSA https://www.intel.com/content/www/us/en/support/detect.html NVIDIA driver https://www.nvidia.com.tw/Download/index.aspx?lang=tw https://www.nvidia.com.tw/Download/driverResults.aspx/180692/tw