Using Qualcomm DMA-BUF can achieve zero-copy memory conversion between CPU/GPU, and in general case, DMA-BUF is faster than traditional memory allocation, which saves time and…
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A good software needs to save memory usage. To do this, we first need to find out where the most memory is being used.This post…
Leave a CommentDuring the development process we may encounter various problems. Some problems cannot be solved by yourself or by searching public information. At this point we…
Leave a CommentThis article introduces the installation and use of git-lfs tool on the linux platform. The purpose of Git Large File Storage (LFS) is to better…
Leave a CommentVScode is a cross-platform code editor launched by Microsoft with powerful functions and rich plug-ins. Using VSCode can greatly improve our development efficiency.This article introduces…
Leave a CommentThis article introduces the operations related to user manegement of linux system . Including adding users, deleting users, setting user passwords, home directories, default shell,…
Leave a CommentIf you were born in an authoritarian country where human rights are being trampled, at the mean while you aspire to associate with the civilized…
Leave a CommentThis article introduces commonly used online network debugging tools, including IP address query, ping, route tracing, speed test. Check IP https://whatismyipaddress.com/ This tool show the…
Leave a CommentMethod 1 Add the user to the root group. Method 2 Edit passwd file. Set user’s UID & GID to 0. Following is the content…
Leave a CommentThis article introduces linux group management related commands, including adding groups, deleting groups, modifying groups, setting group administrators, viewing groups to which users belong, etc.…
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