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kernel

insmod or modprobe 出現 Required key not available 錯誤

之前沒遇過下面的問題 # modprobe lustremodprobe: ERROR: could not insert ‘lustre’: Required key not available 一直以為是哪裡有安裝錯誤,後來才發現因為系統 UEFI Secure Boot enabled 然後 kernel 也啟動了 module.sig_enforce=1 …

CentOS7 改變開機 Kernel

偶爾想選舊 Kernel # awk -F\’ ‘$1==”menuentry ” {print $2}’ /etc/grub2.cfgCentOS Linux (3.10.0-1127.13.1.el7.x86_64) 7 (Core)CentOS Linux (3.10.0-1062.4.1.el7.x86_64) 7 (Core)CentOS Linux (3.10.0-957.27.2.el7.x86_64) 7 (Core)CentOS …