Category: System Network & System Security & System Log (系统网络 & 系统安全 & 系统日志)

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Several situations of Linux automatically reboot without reboot logs in the /var/log/messages

Situation One

This Linux server is a virtual server. If we reboot it though its virtual software, there is no relevant logs in the /var/log/messages.

Situation Two

This Linux server is a member of a pacemaker cluster. If the pacemaker cluster software fences this server for protecting the whole cluster, there is no relate logs in the /var/log/messages.

Situation Three

This Linux server has critical problems in its system or hardware. Core panic of Linux and hardware problem both can reboot the system automatically without any reboot logs in the /var/log/messages.

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[排错] RHEL 解决使用 yum 命令时卡住

报错代码

# yum update 
Updating Subscription Management repositories.
Unable to read consumer identity

可尝试的解决方法一：修改 /etc/yum/pluginconf.d/subscription-manager.conf 文件

# vim /etc/yum/pluginconf.d/subscription-manager.conf

将以下内容：

......
[main] 
enabled=1
......

修改为：

......
[main] 
enabled=0
......

可尝试的解决方法二：安装对应的 katello-ca-consumer-latest.noarch.rpm 软件包

（步骤略）

（补充：katello-ca-consumer-latest.noarch.rpm 软件包下载自对应的 Red Hat Satellite 服务器，补充链接：Red Hat Satellite client register）