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Linux Must-Learnt Commands

时间：2022-10-26 12:13:41浏览次数：43

标签：Commands Learnt Clear Linux login Must history

Clear successful login history:

 echo > /var/log/wtmp

View login history:

last

Clear command's input history:

history -c

标签：Commands,Learnt,Clear,Linux,login,Must,history
From： https://www.cnblogs.com/ezhar/p/16827833.html

'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique
2016-10-0923:14:43.177DEBUG[restartedMain][org.springframework.core.type.classreading.AnnotationAttributesReadingVisitor]Failedtoclass-loadtypewhiler......
consul报错：Consul service ids must not be empty, must start with a letter 或 Unab
报类似错误，一般是配置文件没生效或配置有问题造成的，可能是resource目录，没有标记为根目录，解决方法如下： ......
Qt BUG解决：QWidget: Must construct a QApplication before a QWidget
错误的原因：采用了静态（static）或者全局的QWidget类，静态对象在进入main函数之前就产生了，所以该QWidget在QApplication之前就产生了，产生如图所示的错误。解决方案：避免在类......
MySQL Error Code: 1248. Every derived table must have its own alias
在MySQL中执行SQL语句时，提示该错误（ErrorCode:1248.Everyderivedtablemusthaveitsownalias）。这句话的意思是说每个派生出来的表都必须有一个自己的别名。嵌套查......
解决004--Loading local data is disabled； this must be enabled on both the client
因为下载了SQLyog的ultimate版本，现在就可以导入外部的数据了。有着之前使用insertinto插入语句来添加近50条有着大概10个字段的记录的经历之后，本着能够导入现成的数据就导......
A page must have one and only one ‘@Entry‘ decorator with a struct.【BUG已解决
项目场景：在学习基于OpenHarmony/HarmonyOS操作系统的ArkUI框架的过程中，使用DevEcoStudio3.0.0.993打开一个小的Demo的过程中。打开Previewer的时候爆出如下错误：mpile......
[Typescript] Tips: Ensure that all call sites must be given value
Thisonelittletiphassavedmehoursofrefactoringtime.Passing string|undefined insteadof ?:string ensuresthatALLcallsitesmustbegivenaval......
关于System.InvalidOperationException:“Nullable object must have a value.异常
关于System.InvalidOperationException:“Nullableobjectmusthaveavalue.异常，检查数据库的设计以及EF中的实体模型是否准确首先出现这个问题的原因在于你所要获取的......
Directory "/usr/share/zabbix/assets" must be writable.
Directory"/usr/share/zabbix/assets"mustbewritable.问题：因为对assets文件夹没权限操作导致解决方法：chmod777/usr/share/zabbix/assets/ ......
ubuntu Error: You must install at least one postgresql-client-<version> package
ubuntu系统上执行psql报错Warning:Noexistingclusterissuitableasadefaulttarget.Pleaseseemanpg_wrapper(1)howtospecifyone.Error:Youmustinsta......

Linux Must-Learnt Commands

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