其实很简单: chattr -R -i xxxxx           #xxxxx为你需要修改的文件,这样就可以了... 下面全不是重点,扯淡.... ln: creating hard link `xxx' => `/opt/xx': Operation not permitted 摘自http://www.windowslinuxosx.com/q/answers-how-do-i-remove-a-possible-hard-link-directory-to-root-625072.h…

case: when system is running well ,sudden tf became read-only; analyze: read the kernel log using dmesg , find follow log: FAT-fs (mmcblk0p1): error, clusters badly computed (59 != 58)FAT-fs (mmcblk0p1): Filesystem has been set read-only what happen:…

服务器做mysql时候,添加的新磁盘做lvm时候,创建物理卷报错 saltstack_s:/proc/scsi # cat /proc/partitions major minor #blocks name 8 0 8388608 sda 8 1 204800 sda1 8 2 7658496 sda2 8 3 524288 sda3 8 16 8388608 sdb 8 17 6297448 sdb1 253 0 6297448 dm-0 saltstack_s:/proc/scsi # pv…

e2fsck -Nov-) fsck.ext4: Superblock invalid, trying backup blocks... fsck.ext4: Bad magic number in super-block while trying to open /dev/sdb1 使用e2fsck进行修复即可. http://unix.stackexchange.com/questions/33284/recovering-ext4-superblocks…

1.输入命令:ls -l /dev/mapper 2.再输入:xfs_repair /dev/dm-0 3.输入命令:xfs_repair -L /dev/dm-0 4.最后进行重启:init 6 等价于 reboot https://blog.csdn.net/Small_StarOne/article/details/102796845…

http://www.ush.it/2009/02/08/php-filesystem-attack-vectors/ On Apr 07, 2008 I spoke with Kuza55 and Wisec about an attack I found some time before that was a new attack vector for filesystem functions (fopen, (include|require)[_once]?, file_(put|get)…

Hadopo提供了一个抽象的文件系统模型FileSystem,HDFS是其中的一个实现. FileSystem是Hadoop中所有文件系统的抽象父类,它定义了文件系统所具有的基本特征和基本操作. FileSystem类在org.apache.hadoop.fs包中.在eclipse中按ctrl+shift+T进行搜索,提示导入源码包hadoop-hdfs-client-3.0.0-sources.jar.导入即可. 一.成员变量 1.Hadoop使用的默认的文件系统的配置项,在core-defa…

参考:http://www.linux-mtd.infradead.org/doc/ubifs.html#L_raw_vs_ftl UBIFS - UBI File-System Table of contents Big red note Overview Power-cuts tolerance UBIFS and MLC NAND flash The unstable bits issue Source code Mailing list User-space tools Scalabil…

在linux mount /dev/vdb 到 /home 分区时报错: # mount /dev/vdb /homemount: you must specify the filesystem type 先执行:mkfs.ext3 /dev/vdb # mkfs.ext3 /dev/vdbmke2fs 1.41.12 (17-May-2010)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (lo…

求有限集传递闭包的 Floyd Warshall 算法(矩阵实现) 其实就三重循环.zzuoj 1199 题 链接 http://acm.zzu.edu.cn:8000/problem.php?id=1199 Problem B: 大小关系 Time Limit: 2 Sec  Memory Limit: 128 MBSubmit: 148  Solved: 31[Submit][Status][Web Board] Description 当我们知道一组大小关系之后,可判断所有关系是否都能成立…