Hadoop 2.2.0允许创建软连接并且允许MapReduce程序直接处理这些Symlink。...为了允许在集群中创建symlink,需要在配置文件hdfs-site.xml中增加如下的配置项: test.SymlinkEnabledForTesting... true 创建symlink有两种方式:一种是FileSystem.createSymlink方式,
关闭服务器后,我们会将现有数据库目录移动到新位置: $ sudo mv /var/lib/mysql /mnt/volume-nyc1-01/mysql 接下来,我们将创建Symlink: $ sudo...ln -s /mnt/volume-nyc1-01/mysql /var/lib/mysql 有了Symlink,这似乎是重新启动MySQL的最佳时机,但在我们成功完成之前还有一件事需要配置。...结论 在本教程中,我们移动了MySQL的数据,并使用Symlink使MySQL了解新位置。我们还更新了Ubuntu的AppArmor ACL以适应调整。...---- 参考文献:《How to Change a MySQL Data Directory to a New Location Using a Symlink》
dev/stdout", 3, "stdout") = -1 ENOTDIR (Not a directory) newfstatat(3, "stdout", 0x7fffcaf03a90, AT_SYMLINK_NOFOLLOW...升级内核 2. ln 执行前,先手动删除 symlink 3. 添加 -n 选项让 ln 将已存在的 symlink 当作文件处理 Q: 那为啥 debian 下就没有问题?....}) = 0 symlink("/dev/stdout", "/tmp/access.log") = -1 EEXIST (File exists) unlink("/tmp/access.log")...= 0 symlink("/dev/stdout", "/tmp/access.log") = 0 lseek(0, 0, SEEK_CUR)
Error: EBUSY: resource busy or locked, symlink ?
ytkah安装thinksns-plus的laravel项目时出现了一个错误,提示如下,这个可能跟php函数被禁用有关,查看了一下安装文档,有一项php环境要求“exec,system,scandir,symlink...Symlink
/* * linux/fs/minix/symlink.c * * Copyright (C) 1991, 1992 Linus Torvalds * * minix symlink...* symlinks can't do much... */ // 操作软链接文件的函数集,在新建软链接文件的时候赋值给inode结构体 struct inode_operations minix_symlink_inode_operations...create */ NULL, /* lookup */ NULL, /* link */ NULL, /* unlink */ NULL, /* symlink
/build 文件目录查看: root@ubuntu:/home/ubuntu# tree symlink_race symlink_race ├── build │ ├── Dockerfile.../builddir/symlink_swap.c RUN gcc -Wall -Werror -static -o /builddir/symlink_swap /builddir/symlink_swap.c.../symlink_swap ENTRYPOINT ["/symlink_swap"] Run_read.sh内容: SYMSWAP_PATH=/totally_safe_path SYMSWAP_TARGET...容器,最后写了个while死循环实现不间断docker cp行为 Symlink_swap.c重点内容: /* * Now create a symlink to "/" (which...,然后使用symlink函数将symlink_path软链接至系统根目录,最后使用for (;;)死循环调用rrenameat2函数,创造赢得TOCTOU攻击的机会,根据作者介绍poc脚本只有1%的机会成功利用
block",PROGRAM=="/lib/udev/scsi_id -g -u -d /dev/$name",RESULT=="36acb3b510041191b0de7bcdd0000000f",SYMLINK...block",PROGRAM=="/lib/udev/scsi_id -g -u -d /dev/$name",RESULT=="36acb3b510041191b0de7bcdd0000000f",SYMLINK...block",PROGRAM=="/lib/udev/scsi_id -g -u -d /dev/$name",RESULT=="36acb3b510041191b0de7be3900000010",SYMLINK...block",PROGRAM=="/lib/udev/scsi_id -g -u -d /dev/$name",RESULT=="36acb3b510041191b0de7bec100000011",SYMLINK...block",PROGRAM=="/lib/udev/scsi_id -g -u -d /dev/$name",RESULT=="36acb3b510041191b0de7bfc900000012",SYMLINK
3 代码实现首先增加系统调用symlink;//syscall.h#define SYS_symlink 22//usys.plentry("symlink");//syscall.c[SYS_symlink...] sys_symlink,//stat.h#define T_SYMLINK 4 //symbolic link然后实现sys_symlink(),如下:读取target字符串和path地址;...uint64sys_symlink(void){ char target[MAXPATH],path[MAXPATH]; if(argstr(0,target,MAXPATH)type==T_SYMLINK && (omode & O_NOFOLLOW)==0){ int count=0; char symlinkpath[MAXPATH];...=T_SYMLINK){ break; } count++; } }测试结果图片
2. yfs_client.h和yfs_client.cc里面增加两个方法:symlink和readlink(当然名字可以随便起 只要便于记忆就成)。...symlink中创建一个软连接类型的文件并写入连接内容,参数列表相当于create多一个link(请把mode无视掉)。...由于create、mkdir和symlink三个函数都要创建文件,所以建议把创建文件的逻辑单写一个函数并传进类型,上述三个函数来调用。.../doxygen/structfuse__lowlevel__ops.html)的symlink和readlink接口。...若是成功fuseserver_symlink调用fuse_reply_entry,fuseserver_readlink调用fuse_reply_readlink。
/coreybutler/nvm-windows/releases/download/1.1.7/nvm-noinstall.zip Environment Variables 实现原理: NVM_SYMLINK...设定的版本不同指向不同的 node 文件夹 环境变量设置: NVM_HOME 设置成 nvm 安装文件夹, 和 nvm.exe 放在同一个文件夹 例如 C:\InstalledSoftware\nvm NVM_SYMLINK...设置成一个不存在的文件夹, 以后会用来放 nodejs 的快捷方式 C:\InstalledSoftware\nvm\nodejs 修改 path: 添加 %NVM_HOME% 和 %NVM_SYMLINK...% 到 path (用户环境变量即可), 然后重启 CLI 主要就是要确保 %NVM_SYMLINK% 添加到了 path, 不然无法定位到对应的 node Config 设置 nvm 路径下面添加一个...npm.taobao.org/mirrors/node/ npm_mirror: https://npm.taobao.org/mirrors/npm/ root: %NVM_HOME% 指向的文件夹 path: %NVM_SYMLINK
Created symlink from /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service to /usr/lib/systemd...Created symlink from /etc/systemd/system/network-online.target.wants/NetworkManager-wait-online.service...Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service....Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service....Removed symlink /etc/systemd/system/network-online.target.wants/NetworkManager-wait-online.service.
default/dropbear start() { DROPBEAR_ARGS="$DROPBEAR_ARGS -R" # If /etc/dropbear is a symlink...to /var/run/dropbear, and # - the filesystem is RO (i.e. we can not rm the symlink),...# create the directory pointed to by the symlink...# - the filesystem is RW (i.e. we can rm the symlink), # replace the symlink with
$ systemctl enable virtqemud Created symlink from /etc/systemd/system/multi-user.target.wants/virtqemud.service...Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud.socket to /usr/local/lib/systemd...Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud-ro.socket to /usr/local/lib/systemd...Created symlink from /etc/systemd/system/sockets.target.wants/virtqemud-admin.socket to /usr/local/lib
例如,运行以下代码: ln -s "$ACTUAL_DIR" "$SYMLINK" if [ -d "$SYMLINK" ]; then rmdir "$SYMLINK" fi 将产生错误消息...: rmdir: failed to remove `symlink': Not a directory 因此,如果后续命令期望处理的是目录,则可能需要对符号链接进行特殊处理: if [ -d "$LINK_OR_DIR..." ]; then if [ -L "$LINK_OR_DIR" ]; then # It is a symlink!
from pathlib import Path # rpd is a symbolic link >>> Path('rdp').is_symlink() True >>> Path('README'...).is_symlink() False 2、使用is_symlink()方法时必须小心。
. # # Third party programs must not access this file directly, but only through the # symlink at /etc...To manage man:resolv.conf(5) in a different way, # replace this symlink by a static file or a different...symlink. # # See man:systemd-resolved.service(8) for details about the supported modes of # operation...To manage man:resolv.conf(5) in a different way, # replace this symlink by a static file or a different...symlink. # # See man:systemd-resolved.service(8) for details about the supported modes of # operation
执行关闭休眠功能的命令,如下: sudo systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target Created symlink...Created symlink /etc/systemd/system/suspend.target → /dev/null....Created symlink /etc/systemd/system/hibernate.target → /dev/null....Created symlink /etc/systemd/system/hybrid-sleep.target → /dev/null.
(4)加载Samba后门的攻击模块auxiliary/admin/smb/samba_symlink_traversal 操作:msf > use auxiliary/admin/smb/samba_symlink_traversal...(5)使用show optation查看配置选项 操作:msf auxiliary(samba_symlink_traversal) > show options 实验现象截图: ?...show option输出的结果来看,还需要设置RHOST(靶机)ip地址和SMBSHARE(共享的文件夹) (6)设置RHOSH,SMBSHARE参数 操作:msf auxiliary(samba_symlink_traversal...) > set rhost 192.168.1.145 msf auxiliary(samba_symlink_traversal) > set smbshare tmp 实验现象截图: ?...(7)使用exploit命令初始化攻击环境,并开始对目标靶机进行攻击尝试 操作:msf auxiliary(samba_symlink_traversal) > exploit 实验现象截图: ?
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service....Removed symlink /etc/systemd/system/multi-user.target.wants/abrtd.service....Removed symlink /etc/systemd/system/multi-user.target.wants/auditd.service....Removed symlink /etc/systemd/system/basic.target.wants/microcode.service....Removed symlink /etc/systemd/system/multi-user.target.wants/vmtoolsd.service.
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