Debian/Ubuntu重新啟動systemd服務

又再一次忘記/dev/shm/下面的檔案，一般的使用者登出後檔案會被刪除。解法就是去修改 /etc/systemd/logind.conf，裡面選項改成RemoveIPC=no。修改完後用下面的指令去重新啟動：

• sudo systemctl restart systemd-logind.service

要看systemd-logind的狀態則是用指令：

• systemctl status systemd-logind

參考資料

• /dev/shm/下面的檔案消失了
• 16.04 LTS and /dev/shm/ Files Disappearing
• Force restart of systemd-logind.service
• 打開與關閉Ubuntu 16.04的服務：service與systemctl指令的使用方式

_EOF_

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