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Linux command – firewall-cmd
測試環境為 CentOS 8 x64 (虛擬機 ) 現在可以用 firewall-cmd 指令來改 防火牆設定. 參考文章 – https://blog.gtwang.org/linux/centos-7-firewalld-command-setup-tutorial/2/ 啟動防火牆. [root@localhost ~]# systemctl enable firewalld Created...
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Linux – EDAC & rasdaemon
測試環境為 CentOS 8 x86_64 關於 rasdaemon 的說明 – https://github.com/mchehab/rasdaemon 與 EDAC – https://www.kernel.org/doc/html/latest/driver-api/edac.html Rasdaemon is a RAS (Reliability, Availability and...
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Linux – Shared memory
測試環境為 CentOS8 (虛擬機) Apache 突然掛了,檢查系統訊息出現以下的錯誤. [root@localhost ~]# cat /var/log/httpd/error_log No space left on device: AH01760: failed to create shared memory segment shared memory 共享記憶體,主要用途是允許兩個程序...
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Windows – S2D (Storage Space Direct)
S2D (Storage Space Direct) 儲存空間直接存取功能把多台 Server (至少需要 2 台)的本地端機磁碟整合成一個大的儲存空間.這些空間可以再透過 SMB 3.0 分享給應用程式來使用. 但 S2D 需要有 Windows AD (Active Directory) 與 DNS (Domain Name System) ,無法架設這些服務時可以使用 Windows...
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Apache – The timeout specified has expired
測試環境 CentOS 8 Apache 的 error_log 出現以下錯誤訊息. [Tue Nov 15 14:13:42.015901 2022] [proxy_fcgi:error] [pid 52264:tid 140063077807872] (70007)The timeout specified has expired: [client 10.58.211.183:58668]...
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