不开启linux内核中的Enable seccomp to safely compute untrusted bytecode选项有什么好处
时间: 2023-04-02 11:04:17 浏览: 197
开启Enable seccomp to safely compute untrusted bytecode选项可以提高系统的安全性,防止恶意代码对系统造成损害。这个选项可以限制进程只能使用一些安全的系统调用,防止进程调用危险的系统调用,从而保护系统的稳定性和安全性。
相关问题
ValueError: cannot safely convert passed user dtype of float64 for object dtyped data in column 2错在什么地方
这个错误通常出现在使用 pandas 库时,当尝试将一个包含浮点数的列添加到数据框中时。该错误表示无法安全地将浮点数转换为对象类型的数据框中的某些列,因为该列的数据类型不兼容。
要解决这个问题,你可以尝试以下几个方法:
1. 检查数据集中的列是否都是正确的数据类型,例如,确保列2应该是数值类型(int或float),而不是对象类型。
2. 如果你的数据集中有缺失值,请使用 `fillna()` 函数或其他方法填充缺失值。
3. 尝试将列转换为正确的数据类型,例如,可以使用 `astype()` 函数将列转换为正确的类型。
例如,在将列添加到数据框之前,你可以尝试使用以下代码将列转换为浮点类型:
```
df['column_name'] = df['column_name'].astype(float)
```
这应该能够解决这个错误。
unevictable, dirty, writeback, unstable, slab_reclaimable, slab_unreclaimable, mapped, shmem, pagetables。 在linux中含义
1. unevictable - Refers to memory pages that cannot be swapped out or removed from memory, typically because they are being actively used by the system or an application.
2. dirty - Refers to memory pages that have been modified and need to be written back to disk before they can be evicted from memory.
3. writeback - Refers to the process of writing dirty pages back to disk.
4. unstable - Refers to memory pages that are in the process of being modified and may not be in a consistent state.
5. slab_reclaimable - Refers to memory used for kernel data structures that can be safely reclaimed if needed.
6. slab_unreclaimable - Refers to memory used for kernel data structures that cannot be reclaimed.
7. mapped - Refers to memory pages that are mapped to a file or device.
8. shmem - Refers to shared memory pages used for inter-process communication.
9. pagetables - Refers to memory used by the kernel to manage page tables, which map virtual memory addresses to physical memory locations.
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