Codes►后端

linux常用命令

一丶硬件型

  1. 查看操作系统版本
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lsb_release -a

uname -a

  1. 查看磁盘使用情况
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df
//单位G
df -TH
  1. “任务管理器”
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top

一丶

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[root@hecs-409746 /]# cd home/
[root@hecs-409746 home]# mkdir test
[root@hecs-409746 home]# cd test/
[root@hecs-409746 test]# ls
[root@hecs-409746 test]# touch test.txt
[root@hecs-409746 test]# ls
test.txt
[root@hecs-409746 test]# vi test.txt 
[root@hecs-409746 test]# cat test.txt 
hello world linux
[root@hecs-409746 test]# echo 'hello' > test.txt 
[root@hecs-409746 test]# cat test.txt 
hello
[root@hecs-409746 test]# rm test.txt 
rm: remove regular file 'test.txt'? y
[root@hecs-409746 test]# ls
[root@hecs-409746 test]# mkdir testdir
[root@hecs-409746 test]# ls
testdir
[root@hecs-409746 test]# rm -r testdir/
rm: remove directory 'testdir/'? y
[root@hecs-409746 test]# rm -rf

下载

wget 链接

tar zxvf 文件

tar zcvf 文件压缩名 文件

//查看进程
ps -ef | grep 正则
kill -9 PID

//查看服务
service sshd status

systemctl status firewalld.service