Category: linux

cat /etc/default/grub rm -rfv /boot/grub/themes/deepin-fallback/background.jpg mv /home/root135/Desktop/background_0.jpg /boot/grub/themes/deepin-fallback/background.jpg

root@root135:~# arecord -l **** List of CAPTURE Hardware Devices **** card 0: Generic [HD-Audio Generic], device 0: ALC662 rev3 Analog [ALC662 rev3 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0

root@root135:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 0 111.8G 0 disk ├─sda1 8:1 0 512M 0 part /boot ├─sda2 8:2 0 1K 0 part ├─sda3 8:3 0 11G 0 part /recovery ├─sda4 8:4 0 16G 0 part [SWAP] ├─sda5 8:5 0 15G 0 part / ├─sda6 8:6 0 15G 0 part… Continue reading pvs-vgs-lvs

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