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Linux笔记 Jason 5 years ago (2019-04-12) 1135 Views 0 Comments QR code of this page

1. 系统自动清理
在Centos 7下,系统使用systemd管理易变与临时文件,/tmp目录的清理规则主要取决于/usr/lib/tmpfiles.d/tmp.conf文件的设定,默认的配置内容为:

# This file is part of systemd.
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.

# See tmpfiles.d(5) for details

# Clear tmp directories separately, to make them easier to override
v /tmp 1777 root root 10d # 清理/tmp下10天前的目录和文件
v /var/tmp 1777 root root 30d # 清理/var/tmp下30天前的目录和文件

# Exclude namespace mountpoints created with PrivateTmp=yes
x /tmp/systemd-private-%b-*
X /tmp/systemd-private-%b-*/tmp
x /var/tmp/systemd-private-%b-*
X /var/tmp/systemd-private-%b-*/tmp

2. 手动清理
注意!不能简单的rm -rf /tmp/*
yum install -y tmpwatch
tmpwatch 24 /tmp/

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