Category: linux

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

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

root@root135:~# systemctl disable bluetooth.service Synchronizing state of bluetooth.service with SysV service script with /lib/systemd/systemd-sysv-install.

wim more than windows :sp 将一个窗口切分为上下两个窗口 ‘Ctrl+w’+’Shift+-‘ 将上下两个窗口其中一个窗口最大化 ‘Ctrl+w’+’=’ 将上下两个窗口均等化 :vsp 将一个窗口切分为左右两个窗口 ‘Ctrl+w’+’Shift+|’ 将左右两个窗口其中一个窗口最大化 ‘Ctrl+w’+’=’ 将左右两个窗口均等化

bluetoothctl Agent registered [S-86]# help Menu main: Available commands: ——————- advertise Advertise Options Submenu scan Scan Options Submenu gatt Generic Attribute Submenu list List available controllers show [ctrl] Controller information