rhel roadmap

Preface In addition to installing the Oracle database software, we often need to install the Oracle client on a host without an Oracle database environment to access the Oracle server over the network. The steps for installing the Oracle Instant Client in RHEL 5.5x86 are as follows: Installation environment: In this article, RHEL 5.5 x86 is installed in a virtual machine and connected with secureCRT. 1. Dow

Install RHEL6.2 (below) in VMware-RHEL system installation Title: Installing RHEL6.2 (below) in VMware-RHEL system installation Related: Installing RHEL6.2 (on) in VMware -- VMware Configuration Reference: Full Process Diagram of VMware RedHat6.4 Installation 1. Open the installed virtual machine, because we did not set any RHEL installation source in the previou

Installing Oracle 9ir2 on RHEL as 3 step-by-step By fenng Installing Oracle 9ir2 on Red Hat Enterprise Linux Advanced Server 3 (RHEL 3) Red Hat, the world's largest Linux vendor, recently released Red Hat Enterprise Linux 3. The version number is the most powerfulThe source operating system is also regarded as the most complete enterprise-level Linux solution.Yes, many products have passed certification

Construction of Linux-rhel 7.2 experimental environmentFirst, configure the IP address1, [[email protected] ~]# SYSTEMCTL status NetworkManager see if NetworkManager is turned onActire:active (runing) is in the running state[[email protected] ~]# Systemctl Rastart NetworkManager if not started (manual start)2, [[email protected] ~]# Nmtui-edit eno16777736Basic command Edit NIC[[email protected] ~]# Nmtui activating connection Network [[email protected

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

1. System Kernel parameter setting Cat >>/etc/sysctl.conf RHEL 6 Shmall and Shmmax are configured to use the default settings, Shmmax is generally set to half of the system memory, 4195057664=4GB After modification, the Execute command takes effect: /sbin/sysctl-p 2. Modify User Restrictions Cat >>/etc/security/limits.conf 3. Modify the System configuration file Cat >>/etc/profile 4. Create Oracle user, prepare Oracle installation directory /usr

Rhel replace CentOS yum source one-click installation script Most of the systems recently used are rhel, And the yum of rhel cannot be installed online. Therefore, a one-click installation script is written to support rhel5.x rhel6.x, which is the source of Netease. #!/bin/sh #authorbythundermeng . /etc/init .d /functions bit=`getconfLONG_BIT` release=` sed -r-n

Guide CentOS is an industry-standard Linux distribution and is a derivative version of Red Hat Enterprise Linux. You can use it immediately after installation, but in order to better use your system, you need to do some upgrades, install new packages, configure specific services and applications, and so on. When reading a post, please complete the Rhel/centos minimum installation, which is the preferred enterprise and production enviro

RHEL7 Basic UnderstandingRed Hat Company officially released the Enterprise Linux 7 release on June 11, 2014, which has been enhanced in bare servers, virtual machines, IaaS and PaaS, and more reliable and more robust data center environments to meet a variety of business requirements. RHEL 7 provides enterprises with a cohesive, unified infrastructure architecture and the latest service environments, including Linux containers, big data, and hybrid c

Recently, a formal version of RHEL 6 was downloaded, and an unattended installation using Kickstart was tested in VMware. The method and steps are as follows: Method: FTP + TFTP + DHCP + Kickstart + PXE Prepare two virtual machines, one as the test environment RHEL 6 with IP address 192.168.0.100) and the other as the RHEL 6 installation end. 1. Install the requi

Centos RHEL 6 graphical InstallationGuideLinux is a multi-tasking, multi-user operating system, but it often encounters problems when installing linux-no graphical desktop. In the previous section, we demonstrated the graphical Installation Process of RHEL7. The following shows the graphical installation of Centos6.I. Centos6 system installation-No desktop by default No image is installed. Attach the CD and create a local yum. Install graphical comp

Linux Kernel EMD-start/stop/restart the service in RHEL/CentOS 7 and systemdrel One of the major changes in RHEL/CentOS 7.0 is switchingSystemd. 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. SystemdIs a system and service manager in a Linux o

RHEL7 Basic UnderstandingRed Hat Company officially released the Enterprise Linux 7 release on June 11, 2014, which has been enhanced in bare servers, virtual machines, IaaS and PaaS, and more reliable and more robust data center environments to meet a variety of business requirements. RHEL 7 provides enterprises with a cohesive, unified infrastructure architecture and the latest service environments, including Linux containers, big data, and hybrid c

Introduction: Since the Yum online update for Rhel is chargeable, it cannot be used without registering, that is, the software cannot be installed online. In this case, want to use Rhel system, also want to use Yum source to install software online, there is no way? The answer is there is a way, please look down!1, delete the original Rhel yumRpm-aq|grep Yum|xarg

EPEL, extra Packages for Enterprise Linux, is designed for Rhel, is completely free to use and is maintained by the Fedora project, so if you are using Rhel Linux, you can use the EPEL yum source with great ease.32-bit System selection:RPM-IVH http://mirror.suhu.com/fedora-epel/6/i386/epel-release-6-8.noarch.rpm64-bit System selection:RPM-IVH http://mirror.suhu.com/fedora-epel/6/x86_64/epel-release-6-8.noar

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