linux清理并保留最近两天的日志

mona included in Linux

2025-12-04 29 words One minute

Contents

查询 systemd 日志占用空间

journalctl --disk-usage

示例输出:

Archived and active journals take up 180.0M in the file system.

sudo nano /etc/systemd/journald.conf

添加：

SystemMaxUse=200M
MaxRetentionSec=2day

重启服务

sudo systemctl restart systemd-journald