Linux的登录与调试
我是下载的putty，直接登录的IP地址
Linux的基本命令
与目录有关的命令
(1)pwd 查看当前路径(2)mkdir 创建目录(3)rm 删除命令
即可删除目录，也可以删除文件
rm 删除文件rmdir 删除目录rm -r 删除非空目录(命令与参数之间要有一个空格)
(4)cd 进入目录
cd ..进入上级目录
cd 目录名 进入目录
(5)ls 显示当前路径下的内容，包括目录与文件
与文件有关的命令
(1)vi 编辑器，创建并保存文件
按Esc 并且输入:x退出
(2)cat 查看文件内容
head -n 4 文件名 查看改文件的前4行
tail -n 4 文件名 查看改文件的后4行
(3)cp 复制文件
cap file1 file2 复制file1,并且命名为file2
(4)mv 移动文件
mv file 路径 把file转移到该路径下
mv file1 file2 把file1改名为file2
思维导图
2022.7.12Linux 练习
login as: bio06bio06@42.192.49.166's password:Welcome to Ubuntu 18.04.4 LTS (GNU/Linux 4.15.0-118-generic x86_64)
Documentation: https://help.ubuntu.com
Management: https://landscape.canonical.com
Support: https://ubuntu.com/advantage
System information as of Tue Jul 12 17:35:51 CST 2022
System load: 0.16 Processes: 97 Usage of /: 12.2% of 49.15GB Users logged in: 2 Memory usage: 13% IP address for eth0: 172.17.0.6 Swap usage: 0%
Super-optimized for small spaces - read how we shrank the memoryfootprint of MicroK8s to make it the smallest full K8s around.
https://ubuntu.com/blog/microk8s-memory-optimisation
Canonical Livepatch is available for installation.
Reduce system reboots and improve kernel security. Activate at:https://ubuntu.com/livepatchNew release '20.04.4 LTS' available.Run 'do-release-upgrade' to upgrade to it.
Last login: Tue Jul 12 16:54:20 2022 from 221.182.110.207bio06@VM-0-6-ubuntu:~$ pwd/home/bio06bio06@VM-0-6-ubuntu:~$ cd tmpbio06@VM-0-6-ubuntu:~/tmp$ pwd/home/bio06/tmpbio06@VM-0-6-ubuntu:~/tmp$ vi hello_world.txtbio06@VM-0-6-ubuntu:~/tmp$ cat hello_world.txtadsadadadadadadadadadajcnsncsdhucnncdcadjadoicadscacjiadsocmscacacamcaaciaiocnacnacancncvlnascaocalccnaclcaaadncabio06@VM-0-6-ubuntu:~/tmp$ head -n 3 hello_world.txtadsadadadadadadadadadajcnsncsdhucnncdcbio06@VM-0-6-ubuntu:~/tmp$ tail -n 2 hello_world.txtascaocalccnaclcaaadncabio06@VM-0-6-ubuntu:~/tmp$ cp hello_world.txt new_file.txtbio06@VM-0-6-ubuntu:~/tmp$ lshello_world.txt new_file.txtbio06@VM-0-6-ubuntu:~/tmp$ mv hello_world.txt /home/bio06/projectbio06@VM-0-6-ubuntu:~/tmp$ cd ..bio06@VM-0-6-ubuntu:~$ lsbiosoft project rm_rest src tmpbio06@VM-0-6-ubuntu:~$ cd projectbio06@VM-0-6-ubuntu:~/project$ lshello_world.txtbio06@VM-0-6-ubuntu:~/project$ mv hello_world.txt /home/bio06bio06@VM-0-6-ubuntu:~/project$ cd ..bio06@VM-0-6-ubuntu:~$ lsbiosoft hello_world.txt project rm_rest src tmpbio06@VM-0-6-ubuntu:~$ login as: bio06 https://ubuntu.com/livepatchNew release '20.04.4 LTS' available.Run 'do-release-upgrade' to upgrade to it.
Last login: Tue Jul 12 16:54:20 2022 from 221.182.110.207bio06@VM-0-6-ubuntu:~$ pwd/home/bio06bio06@VM-0-6-ubuntu:~$ cd tmpbio06@VM-0-6-ubuntu:~/tmp$ pwd/home/bio06/tmpbio06@VM-0-6-ubuntu:~/tmp$ vi hello_world.txtbio06@VM-0-6-ubuntu:~/tmp$ cat hello_world.txtadsadadadadadadadadadajcnsncsdhucnncdcadjadoicadscacjiadsocmscacacamcaaciaiocnacnacancncvlnascaocalccnaclcaaadncabio06@VM-0-6-ubuntu:~/tmp$ head -n 3 hello_world.txtadsadadadadadadadadadajcnsncsdhucnncdcbio06@VM-0-6-ubuntu:~/tmp$ tail -n 2 hello_world.txtascaocalccnaclcaaadncabio06@VM-0-6-ubuntu:~/tmp$ cp hello_world.txt new_file.txtbio06@VM-0-6-ubuntu:~/tmp$ lshello_world.txt new_file.txtbio06@VM-0-6-ubuntu:~/tmp$ mv hello_world.txt /home/bio06/projectbio06@VM-0-6-ubuntu:~/tmp$ cd ..bio06@VM-0-6-ubuntu:~$ lsbiosoft project rm_rest src tmpbio06@VM-0-6-ubuntu:~$ cd projectbio06@VM-0-6-ubuntu:~/project$ lshello_world.txtbio06@VM-0-6-ubuntu:~/project$ mv hello_world.txt /home/bio06bio06@VM-0-6-ubuntu:~/project$ cd ..bio06@VM-0-6-ubuntu:~$ lsbiosoft hello_world.txt project rm_rest src tmpbio06@VM-0-6-ubuntu:~$login: Cannot possibly work without effective rootbio06@VM-0-6-ubuntu:~$ bio06@42.192.49.166's password:
