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命令parted -s /dev/sdb mklabel msdos可以将当前的分区表全部清空,然后创建成指定的分区表格式,这个非常有用。之前网上的方法:dd if=/dev/zero of=/dev/sdb bs=512 count=1这种方式是不能支持GPT table的,普通分区表可以。
These variables contain useful information, which can be used by a shell script to know about the environment in which it is running. Bash provides two kind of parameters. Positional Parameter Special Parameter In this article, let us discuss about bash positional parameter with the examples. This...
The code below requires bash script above. This code requires the API key, the data provider string, a region, and a base64 URL encoded TDS specified as arguments. The script uses these elements to build a JWT and submit a request to the API gateway. Note that the base64 URL encoded T...
bash, any subsequent program that we run can read our setting, whether it is a shell script or not. A good example is the vipw command, which normally allows root to edit the system password file. By setting the EDITOR environment variable to the name of your favorite text editor, you ...
/bin/bash2# Script to collect the status of lshw output from home servers3# Dependencies:4# * LSHW: http://ezix.org/project/wiki/HardwareLiSter5# * JQ: http://stedolan.github.io/jq/6#7# On each machine you can run something like this from cron (Don't know CRON, no worries: ...
just uses the “until” keyword. We have provided the infinite until loop bash script below where we begin the script with the declaration of the variable “statement” and set it with the “false” value. Next, we have defined the “loop_no” variable which is set with the counter “0...
we "export" an environment variable under bash, any subsequent program that we run can read our setting, whether it is a shell script or not. A good example is the vipw comamnd, which normally allows root to edit the system password file. By setting the ...
Given below are the list of ways of bash string length: 1. Using ${#string_name} Here string_name is the variable that contains the string to be manipulated. Syntax: ${#string_name} 2. Using keyword expr length Here bash has a keyword reserved to itself on evaluating a given expression...
Here's all of it in a Bash Script: #!/bin/bash w='Welcome' t='To' l='Linux' h='Handbook' tony="${w} ${t} ${l} ${h}" printf "${tony}\n" Make it executable and run it as a script: avimanyu@linuxhandbook:~$ chmod +x concat.sh ...