red hat linux commands with examples

It's really easy. Procedure Modify the RedHat-release file: Red Hat Enterprise Linux 4 Modify the profile file: Add appropriate environment variables: ORACLE_HOME, oracle_sid, etc. Create the oracle_setup directory accordingly. Set the permission to 777. Create the ORACLE_HOME directory accordingly. Set the permission to 777. Create a DBA User Group

Basic ACL settings for Red Hat Linux 7 1. ACL introduction: The Access Control List (ACL) is the command List of the vro and vswitch interfaces. It is used to Control incoming and outgoing packets on the port. ACL applies to all routing protocols, such as IP, IPX, and AppleTalk. 2. How to view the permission list: [Bkjia @ foundation2 Desktop] $ ls-l file-Rw-r --

=" Wkiom1uisk3quhejaakdz8w-8g0017.jpg "/>During installation, select root password to set the root user's password650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5B/66/wKioL1UISdayn171AAK321i9Amk702.jpg "style=" float: none; "title=" 2015-03-17_231913.png "alt=" Wkiol1uisdayn171aak321i9amk702.jpg "/>Enter and confirm the root user password650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5B/6C/wKiom1UISLKTURYhAAIKZl5HWb0609.jpg "style=" float: none; "title=" 2015-03-17_231927

/init.dvim JenkinsAfter you enter the above command, edit the path. For example, with:2. After installation, assuming that the port conflict with the local, you need to change the port number Jenkins. Such as:Cd/etc/sysconfigvim JenkinsSuch as:jenkins_port= "8080" jenkins_ajp_port= "8009"You can change the port number after you go in (notice that the configuration is run through the source command in Jenkens after the change is complete.Command:Source/etc/sysconfig/jenkens)Four. StartServer that

found,virtual machines are starting to come. Re-install the trouble, yes.~what to do now. Haha, the following method can help careless "hand-mutilated" small pots of friends~650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0082.gif "alt=" j_0082.gif "/>Storage (hard disk) virtual machine snapshotqemu-img create-f qcow2-b dd.img xx.img650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0079.gif "alt=" j_0079.gif "/>Virsh undefineddd// Delete VMS front End manager, does not delet

Basic Regular Expressions (Regular expression) match any character \{n,\} match previous character repeat at least n times * repeat 0 or more times \{n\} match before character repeats N times .* matches any number of arbitrary characters \ (.. \) tag match character [" matches any single charact

#mirrorlist=http://mirrorlist.centos.org/?release=4arch=$basearchrepo=centosplus baseurl=http://ftp.sjtu.edu.cn/centos/6/centosplus/$basearch/ gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #contrib - packages by Centos Users [contrib] name=CentOS-6-Contrib #mirrorlist=http://mirrorlist.centos.org/?release=4arch=$basearchrepo=contrib baseurl=http://ftp.sjtu.edu.cn/centos/6/contrib/$basearch/ gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-K

/1_24144_831167377.log Rm-f/arch_backup/2_22765_831167377.log Is that Y's too much line spacing.]cat crosscheck_archivelog.sh #!/bin/bash source/home/oracle/.bash_profile exec >>/home/oracle /dbscripts/logs/del_arch ' Date +%f_%h '. Log $ORACLE _home/bin/rman target/This is the last script for the test! The annotations that were originally used to delete the archived logs.This verification script is primarily intended to clean up archived information. Assu

Tags: selinux firewalldRed Hat Enterprise Linux 7 shuts down firewall and SELinuxFirst, close the firewall1. View the firewall status first[Email protected] ~]#systemctl status Firewalldfirewalld.service-firewalld-dynamic Firewall daemonLoaded:loaded (/usr/lib/systemd/system/firewalld.service; enabled)Active:active (running) since three 2017-10-11 15:31:32 CST; 2min 20s agoMain pid:809 (FIREWALLD)CGroup:/sy

this level4 : Not assigned to use5 : Graphical interface with multi-user mode, providing a graphical interface operating environment6 : Restart, the host will be restarted when using this levelswitch Operation level Initi NView Run level commands RunLevelSystem Service ControlThe control script for the service /etc/rc.d/init.d/ directory underformat: Service Service Name control type/etc/rc.d/init.d/ Service Name control typecontrol typeStart Start

This time to attend the reading activities held by CSDN, is catching up with the project busy, see is also intermittent, dragged for 2 weeks, to write this book review. First of all, I'll be sure to tell you, whether you're a professional Linux system administrator, a software developer in a Linux environment, or a Linux user, this book is worth reading. Wh

Oracle9.2.0.6 installing methods on the red Hat Enterprise Linux AS4 Preface before looking at this document, it is recommended that readers refer to Oracle's installation documentation on oracle9i in various versions of Redhat: http://www.puschitz.com/ Installingoracle9i.shtml, look at the following document, because the following document is written in refere

Tags: Upgrade show Lin requires Linux image src command to deleteInstalling software in the Linux terminalThere are three kinds of ways: Rpm,yum, source installation. This essay only shows how RPM installs the softwareRPM Install the command to see if the software is installed1. Install the PackageInstall package use command RPM–IVH package nameTo query all installed packages:Show installation of related pa

information using sockets;-I: Displays the internal TCP information;-4: Only IPv4 sockets are displayed;-6: Only IPv6 sockets are displayed;-T: Only TCP sockets are displayed;-u: Displays only UDP sockets;-D: Show only DCCP sockets;-W: Show only raw sockets;-x: Only UNIX domain sockets are displayed.Common usageSs-l Show all ports that are open locallySS-PL Show each process specific open socketSs-t-A displays all TCP socketsSs-u-a displays all UDP SocektSs-o State established ' (Dport =: ssh o

.el7.x86_64.rpmRPM-IVH mysql-community-client-5.7.4-0.2.m14.el7.x86_64.rpmMount your image on the CD drive of the virtual machineInstall several dependent packages into the ISO fileRPM-IVH perl-net-daemon-0.48-4.el7.noarch.rpmRPM-IVH perl-plrpc-0.2020-12.el7.noarch.rpmRPM-IVH perl-dbi-1.627-1.el7.x86_64.rpmWork path back to the desktop and then continue to install our serverRPM-IVH mysql-community-server-5.7.4-0.2.m14.el7.x86_64.rpm6. Change user PasswordWhen the server is installed, we'll find

1. Download MySQL 5.6 Download page: http://dev.mysql.com/downloads/mysql/ Here Select "Red Hat Enterprise linux 6/oracle Linux 6 (x86, 32-bit), RPM Bundle" Download, download to/root/fuxian/directory, download file named "Mysql-5.6.30-1.el 6.i686.rpm-bundle.tar " 2. Unzip the TAR package cd/fuxian/downloads/ TAR-XVF M

system for verification. You can also press ctrl + alt + backspace. By the way, it seems that the following two packages can be installed to support Chinese display:Install these two packages to support Chinese characters.Fonts-chinese-3.02-9.6.el5.noarch.rpmFonts-ISO8859-2-75dpi-1.0-17.1.noarch.rpm You can download the preceding two files at http://ftp.dc.volia.com/pub. The path of the two files I downloaded is Http://ftp.dc.volia.com/pub/CentOS/5.4/ OS /x86_64/CentOS/ # Redhat

]# systemctl Restart Network650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/8C/6E/wKioL1hsqTGRLYEuAABSoYTPSjM271.png "title=" Qq20170104154951.png "alt=" Wkiol1hsqtgrlyeuaabsoytpsjm271.png "/> 2. Graphical Tools Nmtui[Email protected] network-scripts]# Nmtui650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M02/8C/6E/wKioL1hsqyaBrLs1AABVi8qWAPQ421.png "title=" Qq20170104155655.png "alt=" Wkiol1hsqyabrls1aabvi8qwapq421.png "/> 3. Graphical Tools Nm-connection-editor[[Em

its path, for example:2. After the installation is complete, if it conflicts with the local port, you need to modify the port number of Jenkins. Such as:Cd/etc/sysconfigvim JenkinsSuch as:jenkins_port= "8080" jenkins_ajp_port= "8009"Go in and modify the port number (note that after the modification is complete, the configuration in Jenkens is performed via the source command.Command:Source/etc/sysconfig/jenkens)Four. StartServer to start Jenkins after configuration is completeCommand:Service Je

Follow the steps to explain how Red Hat Linux increases swap space Method/Step First step: Make sure there is enough space in the system for swap swap space, I am using KVM, ready to add a swap file to a separate file system, add 2G swap files to/opt/image Step two: Add the swap file and set its size to 2G, using the following command