Basic knowledge and setting of hardware
From Mintarc Forge
Enable/disable built-in perpherals
Linux provides several commands to manage kernel modules, which control hardware devices:
- modprobe: Intelligently adds or removes modules from the kernel
- insmod: Inserts a module into the kernel
- rmmod: Removes a module from the kernel
- lsmod: Lists currently loaded kernel modules
Differences between mas storage devices
These tools allow administrators to dynamically enable or disable hardware components without rebooting the system.
- HDD (Hard Disk Drive):
- Uses magnetic storage
- Slower than SSDs
- More affordable per GB
- SSD (Solid State Drive):
- Uses flash memory
- Significantly faster than HDDs
- More expensive per GB
- Lower power consumption
More durable due to lack of moving parts
- Optical storage:
- Uses laser to read/write data
- /Slower than both HDDs and SSDs
- Primarily used for removable media (CDs, DVDs, Blu-ray)
Linux provides several methods to gather hardware information
- lsusb: Lists USB devices
- lspci: Lists PCI devices
- /sys/: A virtual filesystem providing detailed hardware information
- /proc/: Another virtual filesystem with system and hardware data
- /dev/: Contains device files for interacting with hardware
The primary tool for USB device management is lsusb, which
- Lists all USB devices connected to the system
- Provides detailed information about USB devices
- Can be used with various options for more specific data
== Understanding sysfs, ydev, and dbus
- sysfs:
- A virtual filesystem mounted at /sys
- Exports kernel device information to userspace
- Provides a hierarchical view of system devices
- udev:
- The device manager for the Linux kernel
- Creates/removes device nodes in /dev dynamically
- Uses rules to name devices and set permissions
- Monitors sysfs for device changes
- dbus:
- A message bus system for inter-process communication
- Allows applications to communicate with each other
- Used by desktop environments for hardware-related events
