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lkd:laboratoare:01 [2024/07/07 19:28] daniel.baluta s |
lkd:laboratoare:01 [2024/07/08 15:18] (current) daniel.baluta |
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| ==== Presentation ==== | ==== Presentation ==== | ||
| - | * follow slides at [[session 1]] | + | * follow slides at {{:lkd:laboratoare:lkd_01.pdf| Session 1}} |
| ==== Practical lab ==== | ==== Practical lab ==== | ||
| Line 189: | Line 188: | ||
| Now boot the board and notice that the file you created exists on the board! Follow the steps in section [[#boot_the_board |3. Boot the board ]]! | Now boot the board and notice that the file you created exists on the board! Follow the steps in section [[#boot_the_board |3. Boot the board ]]! | ||
| + | |||
| + | === 5. Explore the board === | ||
| + | |||
| + | After booting the board and getting the prompt explore the hardware board capabilities. | ||
| + | |||
| + | Check the current Linux kernel version: | ||
| + | <code bash> | ||
| + | $ cat /proc/version | ||
| + | </code> | ||
| + | |||
| + | Check the command line arguments used to start the Linux kernel: | ||
| + | <code bash> | ||
| + | |||
| + | $ cat /proc/cmdline | ||
| + | |||
| + | </code> | ||
| + | |||
| + | List all the cpus in the system: | ||
| + | <code bash> | ||
| + | |||
| + | $ cat /proc/cpuinfo | ||
| + | </code> | ||
| + | |||
| + | List all available free and used physical memory in the system. | ||
| + | |||
| + | <code bash> | ||
| + | $ free -h | ||
| + | |||
| + | </code> | ||
| + | |||
| + | List the physical memory map for the system: | ||
| + | |||
| + | <code bash> | ||
| + | |||
| + | $ cat /proc/iomem | ||
| + | </code> | ||
| + | |||
| + | Notice the address range for ''System RAM'' and for the rest of devices. | ||
| + | |||
| + | Check the current list of filesystems supported by the kernel: | ||
| + | |||
| + | <code bash> | ||
| + | |||
| + | $ cat /proc/filesystems | ||
| + | |||
| + | </code> | ||
| + | |||
| + | Check the current list of modules loaded in the system: | ||
| + | |||
| + | <code bash> | ||
| + | |||
| + | $ cat /proc/modules | ||
| + | |||
| + | </code> | ||
| + | |||
| + | Finally check the kernel log: | ||
| + | |||
| + | <code bash> | ||
| + | |||
| + | $ dmesg | ||
| + | |||
| + | </code> | ||
| + | |||
| + | |||
