1. 查看Linux操作系统信息:
uname -a
cat /proc/version
lsb_release -a
2. 设置ls显示的文件夹的颜色(将下面这条目录加在 .bashrc 文件最后):
LS_COLORS=$LS_COLORS:'di=0;35:' ; export LS_COLORS
(All possible colors:
31 = red
32 = green
33 = orange
34 = blue
35 = purple
36 = cyan
37 = grey
90 = dark grey
91 = light red
92 = light green
93 = yellow
94 = light blue
95 = light purple
96 = turquoise
97 = white)
3. 在远程服务器X Server上显示图形界面:
ssh -x uname@ip
4. 强制转换图像大小
convert -resize 1056x640! 000456.jpg 000456_640_1056.jpg
5. 查看图像信息
file 000456_640_1056.jpg
identify 000456_640_1056.jpg
6. 查看物理CPU的个数
cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
7. 查看逻辑CPU的个数
cat /proc/cpuinfo |grep "processor"|wc -l
8. 查看一个物理CPU是几核
cat /proc/cpuinfo |grep "cores"|uniq
9. 查看当前目录大小
du -h --max-depth=1 ./