这里是ffmpeg给图片上加文字说明。root135@root135:~/Pictures/Wallpapers$ ffmpeg -i wolfgang-hasselmann-WrVvYxq11Yk-unsplash.jpg -vf “drawtext=fontcolor=white:line_spacing=5:fontfile=/usr/share/fonts/msyh.ttf:text=’Can change system’:fontsize=h/8:x=(w-text_w)/3:y=(h-text_h*3)” -f image2 wolfgang-hasselmann-WrVvYxq11Yk-unsplash-0.jpg
dmidecode
root@root135:~# dmidecode -t memory # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. Handle 0x0014, DMI type 16, 23 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: None Maximum Capacity: 16 GB
start or stop bluetooth
root@root135:~# systemctl disable bluetooth.service Synchronizing state of bluetooth.service with SysV service script with /lib/systemd/systemd-sysv-install.
remote-desktop_win7-10
要配置java环境,jdk 这个远程桌面只能在win7-10运行，ＩＰ地址都要填服务器端 10.168.1.14,这个地址是Server端网卡地址。 端口号不要改，默认为777 Server：java -cp build src\main\Server.java clientUI:java -cp build src\main\clientUI.java remote-desktop_win7-10.tar
java build and run 添加临时变量
root135@root135:~/Downloads/java_0/main方法和System类/main_and_System$ java -cp bin src/LearnMain.java 12 34 55 3 12 34 55