01 2024 档案

linux进程间通讯
摘要：进程间通讯->共享内存 struct shmid_ds { struct ipc_perm shm_perm; /* operation perms */ int shm_segsz; /* size of segment (bytes) */ __kernel_time_t shm_atime; 阅读全文
posted @ 2024-01-24 13:14 *^VV^* 阅读(3) 评论(0) 推荐(0) 编辑
V3S调试问题及解决
摘要：1、sshd启动问题:/var/empty must be owned by root and not group or world-writable.chown -R root.root /var/empty/ 2、ssh登录问题 添加到：sshd_config LoginGraceTime 12 阅读全文
posted @ 2024-01-19 18:52 *^VV^* 阅读(4) 评论(0) 推荐(0) 编辑
linux音频设置
摘要：查看音频设置详细信息： tinymix contentsctl type num name value0 INT 1 DAC Playback Volume 59 (range 0->63)1 INT 1 Headphone Playback Volume 20 (range 0->63)2 BOO 阅读全文
posted @ 2024-01-19 18:41 *^VV^* 阅读(15) 评论(0) 推荐(0) 编辑
linux 扩展根目录分区
摘要：[root]~# fdisk /dev/mmcblk0 The number of cylinders for this disk is set to 60672.There is nothing wrong with that, but this is larger than 1024,and c 阅读全文
posted @ 2024-01-12 10:06 *^VV^* 阅读(13) 评论(0) 推荐(0) 编辑
cmake 交叉编译设置
摘要：cmake_minimum_required(VERSION 3.1) #设置交叉编译SET(CMAKE_SYSTEM_NAME Linux)SET(CMAKE_SYSTEM_PROCESSOR arm) SET(TOOLCHAIN_DIR "/usr/local/lib/gcc-linaro-7. 阅读全文
posted @ 2024-01-10 19:54 *^VV^* 阅读(17) 评论(0) 推荐(0) 编辑