rhel repository

Knowledge Structure: 1. understanding YUM2. introducing the experiment Environment 3. how to configure the YUM local update source 4. how to configure the YUM client. how to use YUM to maintain the software package 6. conclusion 7. lab questions --------------------------------------------------------------------------- 1. know YUMYellowdo Knowledge structure: 1. know YUM 2. introduce the experiment environment 3. how to configure the YUM local update source 4. how to configure the YUM client 5.

1. let's talk about the difference between RHEL and CentOS in your eyes. I 've written an article on the Internet, saying that someone is doing a system for a securities company, party A uses the CentOS + RedHat optical fiber interface driver. as a result, the system crashes due to a parameter driver. This indicates that the two are not declared 100% compatible. Of course, if only common hardware is used, 1. tell us the difference between

Many users who have installed RHEL with virtual machines may encounter this problem: when you want to view the status of a service (such as samba), [root@www.linuxidc.com ~] # Servicesmbstatussmb: unrecognizedservice. Therefore Many users who have installed RHEL on a virtual machine may encounter this problem: when you want to view the status of a service (such as samba ), [Root @ www.linuxidc.com ~] # Serv

Linux Kernel EMD -- start/stop/restart the service in RHEL/CentOS 7 One of the major changes in RHEL/CentOS 7.0 is switching to systemd. It is used to replace SysV and Upstart in the previous versions of Red Hat Enterprise Edition Linux to manage systems and services. Systemd is compatible with the startup scripts of SysV and Linux Standard groups. Systemd is a system and service manager in a Linux operatin

Today is the Dragon Boat Festival, wish you a happy Dragon Boat festival! There are lots of FUN commands on the Linux system, but most of them are available on the Ubuntu/debian series release, and there are few installed on Red Hat systems; today, I'll introduce you to a couple of rhel/ Ready -to-play Linux commands on the CentOS series release1. Train (SL command)SL Command Intent: This is a very advanced animation program used to treat your bad ha

One of the major changes in Rhel/centos 7.0 is the switch to systemd. It is used to replace SYSV and upstart in previous versions of Red Hat Enterprise Linux and to manage systems and services. SYSTEMD is compatible with startup scripts for SYSV and Linux standard groups.Systemd is a system and service Manager under a Linux operating system. It is designed to be backwards compatible with SYSV startup scripts and provides a number of features, such as

Oracle Installing Oracle 9IR2 on RHEL as 3 step-by-step Author: fenng Installing Oracle 9ir2 on Red Hat Enterprise Linux Advanced Server 3 (RHEL 3) Red Hat, the world's largest Linux manufacturer, recently released the Red Hat Enterprise Linux 3. This version boasts the most powerful ever The source operating system is also considered to be the most complete Linux enterprise-class solution at the moment.

Tags: des io ar os using SP java for fileThe first part: LINUX RHEL as 4 installation To run the prompt:1) Press the front and back of the keyboard to adjust the position of the cursor2) tick the brackets in the front of the options or remove the * number, and select this option to use the SPACEBAR to operate3) in the vi edit the file, the keyboard press a, you can modify the file content, press ESC to cancel, and then press : Wq, and then press ENTE

The following step-by-step article describes how to configure shared disk Cluster for SQL Server on a red Hat Enterprise Linux system and its associated use (for test-only learning, basic article)I. Creating shared disks and ClusterMicrosoft Official configuration document: Https://docs.microsoft.com/en-us/sql/linux/sql-server-linux-shared-disk-cluster-red-hat-7-configure.The Linux cluster structure diagram is as follows:The specific configuration steps are as follows:1. Installing and Configuri

1. Go to the/ETC/YUM.REPOS.D directory (this directory is stored in the Yum Repository configuration file)[Email protected] ~]# cd/etc/yum.repos.d/2. Create a configuration file named Rhel7.repo using the Vim editor (the file name can be customized, but the suffix must be repo)[Email protected] yum.repos.d]# vim Rhel7.repoWrite the following parameters and save the exit item[Rhel-media] #yum仓库的唯一标识符 to avoi

TL;DR If you find that the NAT forwarding rules for Rhel/centos 5 are not working, please use iptables-l-nv to check the contents of the FORWARD chain, if there is a direct go to Rh-firewall-1-input Rules, then you are likely to be in the same hole as we are. Try to open the target port in the Rh-firewall-1-input chain, and those rules should work.The company's server for a variety of reasons to do a lot of iptables NAT rules, used to do port mapping.

Oracle Installing Oracle 9ir2 on RHEL as 3 step-by-step Author: fenng Installing Oracle 9ir2 on Red Hat Enterprise Linux Advanced Server 3 (RHEL 3) Red Hat, the world's largest Linux manufacturer, recently released the Red Hat Enterprise Linux 3. This version boasts the most powerful ever The source operating system is also considered to be the most complete Linux enterprise-class solution at the moment

Tags: ROM install message use EMCTL exit Map System log controlsphenomena: oracle 执行job:expdp,数据库实例直接宕掉,报错如下: ORA-27300: OS system dependent operation:semctl failed with status: 22 ORA-27301: OS failure message: Invalid argument ORA-27302: failure occurred at: sskgpwrm1 ORA-27157: OS post/wait facility removed ORA-27300: OS system dependent operation:semop failed with status: 36 ORA-27301: OS failure message: Identifier removed ORA-27302: failure occurred at: sskgpwwait1 Database version 11.2.0.

Tags: Rhel 6.5 silent installation of Oracle 11.2.4 SoftwareBeta version:System version: RHEL 6.5Oracle version: 11.2.4First, prefaceRecently in the self-taught Oracle, today try a silent installation method, nonsense not much to say below the beginning.1, prepare Oracle software, I use the 11.2.4 version, if not go to the Oracle website to download,If you can not find the message to me, I send a link to th

Tags: print x86_64 xid img key com linux system Ali RhceEnvironmentwin7+vmware-workstation-full-14.1.1.28517Secret key self-BaiduNew Virtual machineTypicalInstall the operating system laterLinux--Red Hat Enterprise Linux 7 64-bitSelect Installation Location20G disk + split into multiple filesCustom Hardware2G Memory1CPU + Processor Turn on virtualization Technology (virtualization Technology)CD/DVD Select ISO image for Rhel 7 (E:\yc_study\linux\rhce\s

1. We installed the MySQL database by default when installing the rhel as system. In this installation method, the initial password of the root account of the database is null.Because some customers do not have strong security awareness, they directly enable the database after receiving the system, leaving security risks.Therefore, the technical department must set the initial password of the MySQL database after installing the

1. We installed the MySQL database by default when installing the rhel as system. In this installation method, the initial password of the root account of the database is null.Because some customers do not have strong security awareness, they directly enable the database after receiving the system, leaving security risks.Therefore, the technical department must set the initial password of the MySQL database after installing the

You must be familiar with the Remote Desktop connecting to linux using windows, and there are many online tutorials. Here I will not talk about it again. I will mainly talk about a small problem I encountered when installing VNC in RHEL AS4:RHEL AS4 is also installed with vnc-server by default.[Root @ localhost ~] # Rpm-qa | grep vncVnc-server-4.0-8.1However ~ The/. vnc/xstartup file does not exist.I had to

Install APC on RHEL/CentOS 6.3/5.6 and Fedora 17/12Install and enable php apc on LinuxThis document describes how to perform the following operations on RHEL 6.3/6.2/6.1/6/5.8/5.6, CentOS 6.3/6.2/6.1/6/5.8/5.6, and Fedora 17,16, 15,14, on, you can use the PECL command to download, install, and enable APC from the code repository.Install the APC dependency packageFirst, we need to install the required softwa

Install and configure Cacti flowview in RHEL 6.3 Test environment: 1. RHEL 6.3X64 minimal installation2. You have installed cacti 0.8.8.3. You have configured the epel source.4. flow-export has been configured on the cisco router. Installation and configuration process: 1. Install flow-tools Yum install flow-tools 2. install flowview Wget http://docs.cacti.net/_media/plugin:flowview-v1.1-1.tgz Tar zxvf plug