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解决Python pip安装requests和bs4库失败的问题

1、pip基础安装pipinstallrequestsSelectCodeCopy直接用pip安装需要的库，比如requests。但是直接安装的时候可以网络问题，连接不到库源文件。2、第三方源安装直接从pip官方连接可能无法实现，这里我们可以用第三方源，比如常见的豆瓣。pipinstallrequests-ihttps...

开发笔记 ·2024-08-29

如何检测Linux服务器上的webshell

检测Linux服务器上的Webshell可以通过以下几种方法：使用安全工具扫描：可以使用安全工具如ClamAV、Lynis、chkrootkit等对服务器进行扫描，查找潜在的Webshell文件。手动检查系统文件：检查服务器上的系统文件和目录，查看是否存在异常或未知的文件，尤其是与Web服务器相关的目录（如/var/w...

开发笔记 ·2024-08-23

Linux服务器遭受webshell攻击后的应急处理

立即停止服务器的网络连接，确保攻击者无法继续操作服务器。隔离受感染的服务器，确保攻击者无法继续访问其他服务器或网络资源。分析webshell的攻击情况，确定受感染的文件和目录。删除或修复受感染的文件，并对服务器进行全面的安全检查，确保没有其他漏洞或后门存在。更新操作系统和应用程序的补丁，以修复已知漏洞。修改所有相关的密...

开发笔记 ·2024-08-23

ORA-60025: Event for temp segment cleanup used for temp lobs

文档解释ORA-60025:EventfortempsegmentcleanupusedfortemplobsCause:TempLOBsegmentsusedfortemporaryLOBsaredeletedonlyonsessionexitwhichmayleadtolargeamountsofmemorybei...

IT技术学习 ·2023-07-28

ORA-39202: Data cannot be filtered or selected in string jobs.

文档解释ORA-39202:Datacannotbefilteredorselectedinstringjobs.Cause:Adatafilterwassuppliedforthespecifiedtypeofjob,butisnotsupportedinthespecifiedjobtype.Fromthecomm...

IT技术学习 ·2023-07-28

ORA-32004: obsolete or deprecated parameter(s) specified for string instance

文档解释ORA-32004:obsoleteordeprecatedparameter(s)specifiedforstringinstanceCause:ObsoleteordeprecatedparametersforthisinstancetypewerespecifiedintheSPFILEorthePFIL...

IT技术学习 ·2023-07-28

ORA-25138: string initialization parameter has been made obsolete

文档解释ORA-25138:stringinitializationparameterhasbeenmadeobsoleteCause:AnobsoleteinitializationparameterhasbeenspecifiedAction:Thesystemwillcomeup,butparametersmus...

IT技术学习 ·2023-07-28

ORA-26846: Found “string” active automatic merge jobs for cloned string Capture “string” in DBA_STREAMS_SPLIT_MERGE

文档解释ORA-26846:Found“string”activeautomaticmergejobsforclonedstringCapture“string”inDBA_STREAMS_SPLIT_MERGECause:Onlyoneactivemergejobisa...

IT技术学习 ·2023-07-28

ORA-46272: Subset of audit trail is already deinitialized

文档解释ORA-46272:SubsetofaudittrailisalreadydeinitializedCause:Audittrailwasdeinitializedwhichspansthegivenaudittrailtype.Action:UseDBMS_AUDIT_MGMT.INIT_CLEANUPtoi...

IT技术学习 ·2023-07-28

ORA-24851: failed to connect to shared subsystem

文档解释ORA-24851:failedtoconnecttosharedsubsystemCause:WhileattemptingtoinitializeOCIinsharedmode,aproblemwasencounteredinconnectingtheprocesstothesharedsubsystem....

IT技术学习 ·2023-07-28

ORA-19721: Cannot find datafile with absolute file number string in tablespace string

文档解释ORA-19721:CannotfinddatafilewithabsolutefilenumberstringintablespacestringCause:CannotfindoneofthedatafilethatshouldbeinthePluggableSet.Action:Makesureallda...

IT技术学习 ·2023-07-28

ORA-24057: cannot define subscriber with rule for queue string

文档解释ORA-24057:cannotdefinesubscriberwithruleforqueuestringCause:AnADD_SUBSCRIBERorALTER_SUBSCRIBERprocedurewitharulewasissuedonaqueueforwhichrulebasedsubscriber...

IT技术学习 ·2023-07-28

ORA-25310: Subscriber is Notification only; dequeue not supported

文档解释ORA-25310:SubscriberisNotificationonly;dequeuenotsupportedCause:Notificationonlysubscribersarenotallowedtodequeue.Action:Recreatesubscriberifnecessary.ORA-2...

IT技术学习 ·2023-07-28

ORA-09876: TASDEF_CLOSE: unable to close ?/dbs/tasdef@.dbf file.

文档解释ORA-09876:TASDEF_CLOSE:unabletoclose?/dbs/tasdef@.dbffile.Cause:Closesystemcallreturnedanerror.Action:Checkerrnoreturned.Possibleoperatingsystemfailure.。ORA...

IT技术学习 ·2023-07-28

ORA-64116: XMLIndex Exchange Partition: incompatible XPath subsets

文档解释ORA-64116:XMLIndexExchangePartition:incompatibleXPathsubsetsCause:TheXMLIndexesonthetwotableshaddifferentpathsubsets.Action:Correcttheerrorandretrythecomman...

IT技术学习 ·2023-07-26