| item | desc |
|---|---|
| CTRL + SHIFT + = | 窗口放大 |
| CTRL + - | 窗口缩小 |
| clear | 清屏 |
| reset | 重启 shell |
| CTRL + l | 清屏[实际上是向上推屏] |
| item | desc | |||
|---|---|---|---|---|
| username | @ | hostname | : | workdirectory |
| cnplaman@pla:~$ | ||||
cnplaman@cnplaman-virtual-machine:~/Desktop$
. 文件位置:/etc/hostname
. 建议以集群+ip的方式命名,如web101
cnplaman@cnplaman-virtual-machine:~/Desktop$ hostname cnplaman-virtual-machine cnplaman@cnplaman-virtual-machine:~/Desktop$ vi /etc/hostname cnplaman-virtual-machine
cnplaman@cnplaman-virtual-machine:~/Desktop$ hostnamectl Static hostname: cnplaman-virtual-machine ...
. 修改并查看[实际上已经生效了]
cnplaman@cnplaman-virtual-machine:~/Desktop$ hostnamectl set-hostname cnplaman cnplaman@cnplaman-virtual-machine:~/Desktop$ hostnamectl Static hostname: pla ...
. 重启终端
cnplaman@pla:~/Desktop$
各主机名和ip地址的对应关系
.window系统位于:C:\Windows\System32\drivers\etc
cnplaman@pla:~/Desktop$ vi /etc/hosts


cnplaman@pla:~/Desktop$ ping 172.23.163.39 PING 172.23.163.39 (172.23.163.39) 56(84) bytes of data. 64 bytes from 172.23.163.39: icmp_seq=1 ttl=128 time=0.825 ms 64 bytes from 172.23.163.39: icmp_seq=2 ttl=128 time=0.541 ms 64 bytes from 172.23.163.39: icmp_seq=3 ttl=128 time=1.05 ms ... ...

cnplaman@pla:~/Desktop$ ifconfig Command 'ifconfig' not found, but can be installed with: sudo apt install net-tools
cnplaman@pla:~/Desktop$ ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.227.128 netmask 255.255.255.0 broadcast 192.168.227.255
...


| item | desc |
|---|---|
| -c | 取消关闭 |
| -r | 关闭并重启;reboot |
| time | now:立即关闭;+n:n分钟后关闭;hh:mm:ss:指定时间关闭 |
| item | desc |
|---|---|
| space | 向下翻页 |
| f | forward |
| b | backward |
| q | 退出quit |
$ type cd cd is a shell builtin
$ ls --help Usage: ls [OPTION]... [FILE]... List information about the FILEs (the current directory by default). Sort entries alphabetically if none of -cftuvSUX nor --sort is specified. ... ...
$ cd --help
cd: cd [-L|[-P [-e]] [-@]] [dir]
Change the shell working directory.
... ...
| item | desc |
|---|---|
| date | 2022年 06月 13日 星期一 19:38:25 CST |
| date +%Y-%m-%d | 2022:12:23 |
| date +%y | 22;年份短表示 |
| date +%H:%M:%S | 21 |
| date +%D | 12/23/22 |
| date +%h | 12月 |
| date +%s | stamp时间戳,秒数 |
| date -s | 设置系统时间 |
$ date "+%Y:%m:%d %H:%M:%S"//使用字符串的形式,否则中间的空格不能识别 2022:12:23 21:29:03
| item | desc |
|---|---|
| cal | |
| cal -y | 查看本年度日历 |
| cal -n | 查看n个月份的日历 |
| cal year_num | 查看某年的日历 |
| cal -m | 从星期一到星期日显示日历 |
cnplaman@pla:~/Desktop$ tar -cvf c.tar 01.c 02.c 03.c
01.c
02.c
03.c
cnplaman@pla:~/Desktop$ ls -lh
total 12K
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 01.c
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 02.c
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 03.c
-rw-rw-r-- 1 cnplaman cnplaman 10K 6月 13 20:32 c.tar
cnplaman@pla:~/Desktop$ tar -zcvf c.tar.gz 01.c 02.c 03.c
01.c
02.c
03.c
cnplaman@pla:~/Desktop$ ls -lh
total 16K
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 01.c
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 02.c
-rw-rw-r-- 1 cnplaman cnplaman 0 6月 13 20:32 03.c
-rw-rw-r-- 1 cnplaman cnplaman 10K 6月 13 20:32 c.tar
-rw-rw-r-- 1 cnplaman cnplaman 134 6月 13 20:33 c.tar.gz
sudo apt install sl sl