installation management command

different place from the Whereis.As you can see, you can only use locate.Attention:Whereis and locate also have restrictions on usage, and when using them, the data is looked up from the database that has been created/var/lib/mlocate. So fast, but the database default is updated every day, so there can not find the latest files, This time we can enter the UpdateDB update database, this command will read/etc/updatedb.config the configuration file sett

There are a few problems today when practicing the Useradd command to add Linux ordinary users.1, after adding the user, using the usedel command to delete the user and found that the corresponding group was also deleted.Q, does the Userdel Delete command affect only the basic group of user?2, add the user to use the-D/XXX/XXX/USERNAME hint cannot create the dire

:string1\+\ (string2\) * \2:string2Back reference: References the pattern in the preceding grouping brackets matches the character, not the pattern itselfOr: \|Example: A\|b:a or b c\|cat:c or cat \ (c\|c\) At:cat or cat5. Egrep and extended Regular expressionsEgrep = Grep-eGrammar:Egrep [OPTIONS] PATTERN [FILE ...]Extend the metacharacters of regular expressions:Character Matching:. Any single character [] specifies the range of characters [^] is not in the specified range of charactersNumber o

Tags: sort shard admin One follow Data system hostname Ofo[TOC]Slow query// 开启2000毫秒以上的慢查询记录db.setProfilingLevel(1,2000)// 查看最近5条慢查询show profile// 按照慢查询执行时间倒序查询db.system.profile.find().sort({‘millis‘:-1}).pretty// 查看查询计划db.Sync_Log.find({"$and":[{"mbid" :{$eq 7542163}},{‘t‘:{$gte:2333}}]}).explain()// 关闭慢查询记录db.setProfilingLevel(0)Task management stops queries that exceed a certain timedb.currentOp().inprog.forEach(function(item){if (item.secs_running

After mysql is installed, there will be a database named mysql. The table for storing users is user, and the user management of mysql database is centered on this table. Of course there are some tables, such: tables_priv, procs_priv, clumns_priv, and USER_PRIVILEGES in the information_schema database.If there is a mysql management tool phpmyadmin, we can manage users through a graphical interface, but what

Tags: basic command management and operation of Oracle databaseBasic command management and operation of Oracle databaseStart the database650) this.width=650; "src=" https://s3.51cto.com/wyfs02/M02/97/53/wKioL1ktT9jRlsYbAAVEvLNNTas771.jpg "style=" float : none; "title=" 1.jpg "alt=" Wkiol1ktt9jrlsybaavevlnntas771.jpg "

/kickstart_fileFTP Server:ks=ftp://host:port/path/to/kickstart_fileHTTPS Server:ks=https://host:port/path/to/kickstart_fileActivate emergency rescue mode:RescueOfficial document: "Installation Guide"Kickstart file format:Command segment: Indicates pre-installation configuration, such as installation languageProgram Baotang: Indicates which package group or packag

Midea Supply Chain Management System (formal environment) has command execution. getshell can roam 53 machines through the Intranet. A lot of Intranet machines Http: // 202.104.30.80: 8000/Http: // 202.104.30.80/ JAVA deserialization VulnerabilityGet shellHttp: // 202.104.30.80: 8000/uddiexplorer/css. jspInvolves multiple systems Detect IntranetHttp: // 202.104.30.80: 8000/uddiexplorer/out. jsp http://1

Linux with one-click installation packageIntroduction: This article describes how to use the Zen Channel One-click installation package under Linux to build the operating environment of Zen Road.Linux one-click installation package built-in Apache, PHP, MySQL these applications, only need to download unzip to run Zen Dao.Starting with the 7.3 release, Linux one-c

Package compilationPackage Compilation Installation:Application-version-release.src.rpm-->After installation, use the Rpmbuild command to make the RPM package in binary format before installingSource code----preprocessing----compile (GCC)------ExecuteSource Code organization format:Multiple files: Between the code in the file, there is likely to be a cross-file dependencyC, C++:make (project Manager, config

Common Command Management Wang Coli (Star stars) in Java learningA. Common DOS commands in windowWhere to operate DOS commands:Win7---> Start----"All Programs---" accessories----"Command promptWin7--> Start---"Run----" Input cmd1.1 Drive Symbol Switching:Disk Fu Yi + colon format: drive letter:Example: Want to drive from C to DC:/user/xxxx D:1.2 Working with

This article mainly introduces how to implement Tab auto-completion and History Command Management in Python. The example shows how to implement tab auto-completion, which has some reference value, for more information about how to implement Tab auto-completion and historical command management in Python, see the examp

, if we are running a command, say sleep 10 if we press Ctrl-z to let him pause, then we will show the status of T in PS viewX already dead process (this never appears)Z zombie process, can't kill, fight the garbage process, the system a small resource, but no relationship. If too many, there is a problem.N Low-priority processesL was locked in memory pagingS master ProcessL Multithreading Process+ Process in the foregroundPstree Tree Show All Process

Disk management, mounting a disk, attaching a disk image file, mounting a USB flash drive, umount command, dd 1 mount Command Format: Mount [-t vfstype]-o options device dir Where: *-T vfstype specifies the type of the file system, which is usually not required. Mount automatically selects the correct type. Regular Use types: CD or CD image: iso9660 DOSfat16 File

: Performing code analysis in command line formIn this article, SonarQube Scanner and SonarQube Scanner for MSBuild are described in two ways, SonarQube Scanner for Jenkins will be speaking in the next article about Jenkins, Other ways need everyone to try.5. SummarySonarqube is an open source code quality management platform that supports analysis of projects written in a variety of development languages t

From the who command, we can see that the file management in linux is probably started from the linux Command "who". man explained the "who" command to print the information of the current user www.2cto.com. results on the computerThe first column is the user name, the second column is the login port, and the second co

Tags: Linux directory7.7 "Linux learning is not difficult" file/directory Management (7): rmdir command to delete empty directoriesUse the rmdir command to remove an empty directory from a Linux system.Command syntax:rmdir [Options] [contents]The meanings of the options in the command are as shown in the table.

7.5 "Linux learning is not difficult" file/directory Management (5): LS command lists directory and file informationWith the LS command, all subdirectories and file information will be listed for the directory, and the file name and other information requested will be exported.Command syntax:ls [options] [directory | file]The meanings of the options in the

file (Pfile, SPFile) management 1, the current data initialization parameter file situation query Su-oracle Sqlplus/as SYSDBA Show Parameter SPFile 2, can be created according to Pfile SPFile Create spfile= ' +dg_zero/zerodb/spfilezerodb.ora ' from pfile= '/zerodb/11g/db_base/db_home/dbs/initzero.ora '; Similarly, you can create pfile by SPFile: 3, Value Description: In front of the parameter is the * number, indicating that all nodes are in effec

dependencies generated by the Linux installation package, and the Apt-get tools on CentOS and Debain will solve the dependencies that are generated when the software is installed. Let's take a detailed look at the rpm and Yum Tools on CentOS.RPM is the Package Manager: Software packages management tools on Linux operating systems such as Redhat and CentOS, which have become the industry standard for the Li