首先，要可以进入rescue模式。 然后进去之后 1.查询pv,vg,lv依次输入以下命令: lvm pvscan vgscan lvscan exit 2.缩小分区： <1>.检查要缩小的分区： e2fsck -f /dev/vg_db/lv_root <2>.缩小文件系统大小： resize2fs /dev/vg_db/lv_root 10G <3>.缩小逻辑卷（输入完成后会有提示，输入y即可）： lvm lvred […]

代码： def Handler(start, end, url, filename): headers = {'Range': 'bytes=%d-%d' % (start, end)} with requests.get(url, headers=headers,stream=True) as r: with open(filename, "r+b") as fp: fp.seek(start) var = fp.tell() fp.write(r.co […]

class wordpress_post: def __init__(self,tittle,content): self.tittle=tittle self.content=content def mysql_con(self): conn = pymysql.connect(host='localhost', port=3306, user='root', passwd='pwd', db='wordpress', charset='utf8') # […]