centos系统日志报错tail /var/log/messagessedispatch: Connection Error (Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory): AVC Will be dropped yum install dbusrpm -ql dbus启动messagebussystemctl start messagebussystemctl enable messagebussystemctl status messagebus 问题解决
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PAM unable to dlopen(/lib64/security/pam_fprintd.so)
centos 系统日志报错：tail /var/log/secure sudo: PAM unable to dlopen(/lib64/security/pam_fprintd.so): /lib64/security/pam_fprintd.so: cannot open shared object file: No such file or directoryDec 11 10:05:10 hgz sudo: PAM adding faulty module: /lib64/security/pam_fprintd.so vim /etc/pam.d/system-auth-acll /lib64/security/pam_fprintd.sols: cannot access /lib64/security/pam_fprintd.so: No such file or directory yum install fprintd-pam 问题解决。
去除stackoverflow页面左下角的cookie弹窗的办法
每次打开stackoverflow后页面左下角都有一个接受cookie的弹窗，点击Accept all cookies或者Customize settings都没有反应。这个弹窗会遮挡文字，影响阅读。以前的解决办法是不断缩小文字。 终极解决方法，添加浏览器扩展(addons)：Replace Google CDN。亲测firefox、Edge有效。chrome同理。
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