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How can I remove specific rules from iptables?
...d temporary rule with some comment:
comment=$(cat /proc/sys/kernel/random/uuid | sed 's/\-//g')
iptables -A ..... -m comment --comment "${comment}" -j REQUIRED_ACTION
2. When the rule added and you wish to remove it (or everything with this comment), do:
iptables-save | grep -v "${comment}" | ip...
Is a GUID unique 100% of the time?
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Wouldn't they be called a UUID, then? ;)
– Arafangion
May 8 '09 at 6:23
30
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Check if application is on its first run [duplicate]
....io.IOException;
import java.io.RandomAccessFile;
import java.util.UUID;
import android.content.Context;
public class Util {
// ===========================================================
//
// ===========================================================
...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...
}
return ret + 1;
}
最后，只要暴力搜索一下func4(n)=144的n的值就可以了，n=11。
===============phase_5===============
知识点：字串变换，ascii转换，寻址
这关可以说是phase_1的增强版，由1可以看出此段指令对我们...
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...have a host of things to worry about all centered around the proper use of UUID. Basically, the UUID is a way to "version" an object you would serialize so that whatever process is de-serializing knows that it's de-serializing properly. I would look at Ensure proper version control for serialized ob...
How to resize a VirtualBox vmdk file
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The UUIDs mismatch after doing this (and replacing the original drive). VirtualBox 5.1.12 won't update the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) a...
How should I store GUID in MySQL tables?
... For the curious, these functions are superior to just UNHEX(REPLACE(UUID(),'-','')) because it arranges the bits in an order that will perform better in a clustered index.
– Slashterix
Feb 2 '14 at 1:28
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How to change Vagrant 'default' machine name?
... change when you restart. (3) The project is mapped to a VirtualBox VM via UUID, which is stored in PROJECT_ROOT/.vagrant/machines/default/virtualbox/id. This UUID is not visible in the VirtualBox GUI (virtualbox.org/ticket/6989), but you can use VBoxManage list vms on the command line.
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...在目标文件，则会引发异常。因此，此函数与 UNIX 中系统指定的 cp 命令并不等效。另外，此函数还预期 frompath 变量将引用正确的常规文件。请看以下示例：frompath 引用符号链接 /tmp/file1，而后者反过来引用文件 /tmp/file2；而 topat...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...页面，店铺服务条款页面，店铺试衣间页面，以及店铺内搜索界面这些界面更新不是非常频繁，因此适合放到缓存中，这样可以大大减低DB的负载。另外宝贝详情页面相对也更新比较 少，因此也适合放到缓存中来减低DB负载。
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