【apparmor】 高效易用的Linux安全应用程序【linux】

激活配置文件

sudo aa-enforce usr.bin.firefox

或者

export _PROFILE_='usr.bin.firefox' sudo $(rm /etc/apparmor.d/disable/$_PROFILE_ ; cat /etc/apparmor.d/$_PROFILE_ | apparmor_parser -a )

禁用配置文件

sudo aa-disable usr.bin.firefox

或者

export _PROFILE_='usr.bin.firefox' sudo $(ln -s /etc/apparmor.d/$_PROFILE_ /etc/apparmor.d/disable/ && apparmor_parser -R /etc/apparmor.d/$_PROFILE_)

列出已加载的配置文件

sudo aa-status

或者

sudo apparmor_status

【dmesg】 显示linux内核的环形缓冲区信息【linux】

清除dmesg缓冲区日志

dmesg -c

以可读格式显示本地时间和增量。转换为当地时间可能不准确

dmesg -e

打印可读的时间戳

dmesg -T

可读输出（颜色+重新计时）

dmesg -H

显示内存、硬盘、USB、TTY相关的信息

dmesg | grep -i memory

dmesg | grep -i dma

dmesg | grep -i usb

dmesg | grep -i tty

输出守护进程的信息

dmesg --facility=daemon

只输出特定级别的信息

dmesg --level=err,warn

默认输出的信息是处理过的，想要显示原始数据(raw data)

dmesg -r

【pi】 Raspberry Pi(中文名为“树莓派”,简写为RPi，只有信用卡大小的微型电脑，其系统基于Linux【pi】

官方网站

历代产品:

【lshw】 Get hardware information on Linux【linux】

lshw

Get hardware information on Linux

Generate full information report about all detected hardware

lshw

Display hardware information in short

lshw -short

Display only memory information

lshw -short -class memory

Display processor information

lshw -class processor

Display the disk drives with the disk class

lshw -short -class disk

Display information about the partitions and controllers also,

specify the storage and volume class along with the disk class

lshw -short -class disk -class storage -class volume

Network adapter information

lshw -class network

Display the address details of pci, usb, scsi and ide devices

lshw -businfo

Generate report in html format

lshw -html > hardware.html

Generate report in xml format

lshw -html > hardware.html

【sgdisk】 Command-line GUID partition table (GPT) manipulator for Linux and Unix【linux】

convert an MBR partition table to GPT, use sgdisk

sgdisk -g /dev/sda

convert GPT to MBR use the m option.

it is not possible to convert more than four partitions from GPT to MBR

sgdisk -m /dev/sda

Sort GPT partitions

when a new partition is created in the space between two partitions or a partition is deleted

sgdisk -s /dev/sda

Using sgdisk you can create a binary backup consisting of the protective MBR,

the main GPT header, the backup GPT header, and one copy of the partition table

sgdisk -b=sgdisk-sda.bak

Restore GPT/MBR backup:

sgdisk -l=sgdisk-sda.bak

Clone your current device's partition layout '/dev/sda' to another drive '/dev/sdc'

sgdisk -R=/dev/sdc /dev/sda

If both drives will be in the same computer, you need to randomize the GUID's after cloning

sgdisk -G /dev/sdc

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