Buffer 缓冲区是存储设备和它访问的程序之间的中介。缓冲从存储设备中读取设备并存储。同样，缓冲区也会将数据写入到存储。 这有助于减少对存储设备的直接读

通过 man 7 signal 给出了官方手册 SINGHUP 1 如果一个进程正在从终端运行并且该终端突然消失，则该进程会收到此信号。HUP是挂断的缩写，指的是在电话调制解调器时

1cat >> .pip/pip.conf << EOF 23[global] 45timeout = 6000 67index-url = https://pypi.douban.com/simple/ 89[install] 1011use-mirrors = true 1213mirrors = https://pypi.douban.com/simple/ 1415trusted-host = pypi.douban.com 1617EOF

1 curl -O -L https://sourceforge.net/projects/sshpass/files/sshpass/1.06/sshpass-1.06.tar.gz && tar xvzf sshpass-1.06.tar.gz 2 ./configure 3 make install

The base of the Linux/Unix file system hierarchy begins at the root and everything starts with the root directory. These are the common top-level directories associated with the root directory: /bin – binary or executable programs. /etc – system configuration files. /home – home directory. It is the default current …

ffmpeg-develop: vscode + docker + ssh Dockerfile 1FROM vonsago/ffmpeg-devel 2RUN mkdir /var/run/sshd && apt-get install -y openssh-server --allow-unauthenticated && echo 'root:root' | chpasswd && sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' …

封装格式 封装格式(Format)是将已经编码压缩好的视频流和音频流按照一定的格式规范，放到一个文件中。对于网络点播 而言，更加合适的术语应该叫