一個dockercompose的服務(wù)，服務(wù)無法拉起報錯顯示
failed to activate service 'org.freedesktop.systemd1' timed out
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根據(jù)錯誤信息，發(fā)現(xiàn)其他的systemd的服務(wù)也無法正常啟用
經(jīng)過查詢引起的原因應(yīng)該是systemd 服務(wù)崩潰，原因是用戶session 舍棄的過多導(dǎo)致
systemd version 42.17e cannot handle too many sessions at once according to red hat global support. It ran out of memorey and futhermore crashed the modules org.freedesktop.logind and org.freedesktop.systemd.
This issue can happen because of "abandoned" user session. You can check with the command -- $ systemctl | grep 'of user'| grep 'abandoned'
可以通過以下指令來查看“被舍棄的”進程：
systemctl | grep 'of user'| grep 'abandoned'
解決方式
rm -rf /run/systemd/system/sessionscope ##刪除用戶session 目錄
systemctl daemon-reexec ##reload systemd
以上如果不生效，重啟大法好
reboot
