Linux 命令速查
tar
mydir 文件夹 归档为 mydir.tar
tar -cvf mydir.tar mydir
mydir 文件夹 压缩为 mydir.tar.gz
tar -zcvf mydir.tar.gz mydir
解压 mydir.tar
tar -xvf mydir.tar
解压 mydir.tar.gz
tar -zxvf mydir.tar.gz
参数
-z 压缩
-c 建立一个压缩文件
-v 压缩时显示文件列表
-f 打包后的文件名，必须在最后
可以在 .zshrc 中 添加以下代码，作为快捷方式
# create .tar
ta() { tar -cvf $1.tar $1; }
# create .tar.gz
targz() { tar -zcvf $1.tar.gz $1; }
# extract .tar
untar() { tar -xvf $1; }
# extract .tar.gz
untargz() { tar -zxvf $1; }
scp
在本地和服务器之间拷贝文件
ref https://haydenjames.io/linux-securely-copy-files-using-scp/
# Copy file from a remote host to local host
scp username@from_host:file.txt /local/directory/
# Copy file from local host to a remote host
scp file.txt username@to_host:/remote/directory/
# Copy directory from a remote host to local host
scp -r username@from_host:/remote/directory/ /local/directory/
# Copy directory from local host to a remote host
scp -r /local/directory/ username@to_host:/remote/directory/
# Copy file from remote host to remote host
scp username@from_host:/remote/directory/file.txt username@to_host:/remote/directory/
find
查找 ~/Desktop 路径下 tf-test.py 文件
find ~/Desktop -iname tf-test.py
大文件定位
du -h / --max-depth=1 | sort -hr | head -n 10
高内存占用进程定位
ps aux|head -1;ps aux|grep -v PID|sort -rn -k +4|head
查看文件夹大小
du -h --max-depth=1 .
-h 用单位 表示大小
. 要查看大小的文件夹
端口
lsof -i:8080
主机名
code /etc/hostname
重启后生效
显存
glxinfo | egrep -i 'device|memory|video'
shell set
ref https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html
-e 遇到错误立刻退出 -v 将输入打印到终端 -x 将执行的命令打印到终端
set -evx
shell write file
overvide single line
echo "this is a line" > file.txt
append single line
echo "this is a line" >> file.txt
overvide multi lines
cat << EOF > file.txt
The current working directory is: $PWD
You are logged in as $(whoami)
EOF
append multi lines
cat << EOF >> file.txt
The current working directory is: $PWD
You are logged in as $(whoami)
EOF
sed
todo
mac 上和 Linux 的表现不同
journalctl 日志查看
journalctl -f _PID=$(systemctl show --property MainPID --value tailscaled) | code -