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The method of Centos/rhel system update security patch

Configuring automatic security updates on CENTOS/RHEL7 systems On the Centos/rhel 7/6 system, you need to install the following installation package: # yum Update-y; Yum Install Yum-cron-y After the installation is complete, open/etc/yum/yum-cron.conf, and then find the following lines, and you must make sure that their values are the same as those shown below Update_messages = yes download_updates = yes apply_updates = yes The first line indicates

GRUB2's zero-day vulnerability affects Linux users. Ubuntu and RHEL patches are now available.

GRUB2's zero-day vulnerability affects Linux users. Ubuntu and RHEL patches are now available. According to the latest Ubuntu Security Notice of Canonical, a zero-day Security vulnerability exists in GRUB2 (GNU GRand Unified Bootloader), which will affect the GNU/Linux release version with GRUB version 2.02 Beta. This security vulnerability was discovered by Ismael Ripoll and Hector Marco. When the boot program is configured with password protection f

Comparison between RHEL and Ubuntu

Comparison between RHEL and Ubuntu-Linux general technology-Linux technology and application information. For more information, see the following. After one day, I installed RHEL X86_64 and Ubuntu X86_64 on my D630 and tried VT. It was quite cool. I did not expect the 32-bit XP-installed VM to support 64-bit systems. It seems that there are more VMS than XP. The two machines are the most streamlined inst

Build DHCP service in Rhel to enable Windows system to obtain IP address automatically

Lab Environment:RHEL6.5 version, Windows7 system each oneRHEL6.5 version of IP address: 192.168.100.222Some of the commands used in this experiment are:CD Switch DirectoryRPM Add/Remove Programs featureCat Viewing filesCP ReplicationVim Edit FileService Start/Close a program---------------------------------procedure----------------------------------------First, check whether the optical drive has been mounted in the MNT directory.Second, install DHCP.Third, to the etc of the DHCP directory to vi

Install and configure vsftp in RHEL/centos

# Allow uploading in ASCII mode ascii_download_enable = yes # Set to support the upload and download functions in ASCII mode. Pam_service_name = vsftpd # PAM Authentication file name. Pam will be authenticated according to/etc/PAM. d/vsftpd The following are important centos FTP service configuration items for vsftpd virtual user support. By default, vsftpd. conf does not contain these configuration items. You must manually add the RHEL/centos FTP se

Unable to use yum if RHEL is not registered

the high-end 2U machine is changed ). I found a 2U slave machine. I logged on to the server and found that gcc was not installed. yum could not be used properly because it was not registered. I recorded the solution for future viewing and encountering the same problems. 1. delete the default yum of RHEL. [Root @ localhost ~] # Rpm-qa | grep yum Yum-updatesd-0.9-2.el5 Yum-metadata-parser-1.1.2-2.el5 Yum-rhn-plugin-0.5.3-30.el5 Yum-3.2.19-18.el5 Yum-se

Apply the Yum installation on Centos/rhel 6.2 PHP5.4

Use Yum to install PHP5.4 on Centos/rhel 6.2 This article applies to all CentOS6 and red Hat Enterprise Linux6 versions installed php5.4, I test the installation environment for the 32-bit CentOS6 system. Article Source: PHP 5.4 on Centos/rhel 6.2 via Yum http://www.webtatic.com/packages/php54/ reprint please indicate source use Yum to install PHP5.4 on Centos/rhel

Install Oracle 10g R2 in Linux (RHEL 5.4)

If reproduced, please indicate the source: http://blog.csdn.net/robinson_0612/archive/2010/03/30/5431428.aspxAlthough Oracle 10g Database Release 2 has been released for several years, this version is still a version that many beginners learn. The following describes how to install Oracle 10g in detail. I. Linux version Selection Currently, the main version of Linux (RHEL) is version 5.4. You can download the installation file at the following address

How does oracle10gr2 enable asynchronous IO in RHEL 5?

Document directory This article from: http://rq2-79.iteye.com/blog/805899 This article from: http://rq2-79.iteye.com/blog/805899 Thanks to the original authorHow does oracle10gr2 enable asynchronous IO in RHEL 5? Document category: Database Asynchronous I/O OptimizationPoint: asynchronous I/O is compared with synchronous I/O. If synchronous I/O is used, the application must wait when an I/O operation is executed, until the I/O execution is comple

RHEL registration method

The Red Hat service of RHEL registration method is based on submodules. that is to say, after you buy RHEL, you need to register your installation version to RHN so that you can download and update the Package, the following describes how to use it. First run rhn_register as root: the registration method of... RHEL here The Red Hat service is based on submodul

Fast build lamp environment and Zabbix 2.0.6 under RHEL 6.2

First, quickly build lamp environment1. Configure local Yum Source[Email protected] ~]# mount/dev/cdrom/mnt[Email protected] ~]# Vi/etc/yum.repos.d/rhel-source.repo[Rhel-source]Name=rhel-sourceBaseurl=file:///mntEnabled=1Gpgcheck=0#gpgkey =file:///etc/pki/rpm-gpg/rpm-gpg-key-redhat-release[email protected] ~]# Yum Clean all[email protected] ~]# Yum list2, Configu

RHEL and CentOS study notes

RHEL and CentOS Study Notes 1. disable firewall (1) serviceiptablesstop this is directly disabled (2)/etc/init. d/iptablestop: The effect is the same as that of the First Command (3) chkconfigiptablesoff, which is permanently disabled... RHEL and CentOS Study Notes 1. disable firewall (1) service iptables stop (2)/etc/init. d/iptable stop: the effect is the same as that of the First Command (3) chkconfig ip

Disable the system restart function by pressing Ctrl-Alt-Del in RHEL/CentOS 5/6

Disable the system restart function by pressing Ctrl-Alt-Del in RHEL/CentOS 5/6 In Linux, for security considerations, we allow anyone to press Ctrl-Alt-Del to restart the system. However, in the production environment, press Ctrl-Alt-Del to restart the system. In this article, we will introduce how to disable the hotkey in RHEL and CentOS.### Under RHEL 5.x and

Change the Rhel (Red Hat Enterprise Linux 5.8) Update source to update it automatically

HP 4411s Install Red Hat Enterprise Linux 5.8)Pick up from http://blog.chinaunix.net/uid-423637-id-3387338.htmlcd/etc/yum.repos.d/CP Rhel-debuginfo.repo RHEL-DEBUGINFO.REPO.BKGedit Rhel-debuginfo.repo[Base]name=red Hat Enterprise Linux 5.8-basebaseurl=http://mirrors.163.com/centos/5/os/$basearch/Gpgcheck=1[UPDATE]name=red Hat Enterprise Linux 5.8-updatesbaseurl=h

Installing Oracle 10g on RHEL as 3 step-by-step

Oracle Installing Oracle 10g on RHEL as 3 step-by-step--Reprint Author: fenng Installing Oracle 10g on Red Hat Enterprise Linux Advanced Server 3 (RHEL 3) V 0.21 Oracle's 10g database and Oracle RAC have created a new world in the Tpc-h benchmark in the US-California headquarters recently. . This is a shocking news. Because this test was done on the platform of Linux (Red Hat Enterprise linux Advanced Se

Install Apache under RHEL 6

Guide With the popularization of network technology, application and the continuous improvement of Web technology, Web server has become one of the most important network services on the Internet. The original client/server model is gradually being replaced by the browser/server model. Here I will introduce you to the most extensive Web server software Apache installation and operation. installation of ApacheIf installing Rhel 6 o'cloc

Add the PXE network startup environment from Ubuntu/Debian to RHEL/CentOS 7

Add the PXE network startup environment from Ubuntu/Debian to RHEL/CentOS 7 This tutorial will guide you to add the Ubuntu 14.10 Server, Ubuntu 14.04 Server, and Debian 7 Wheezy release to the PXE network startup environment of RHEL/CentOS 7. Add Ubuntu and Debian to PXE Network Although in this tutorial, I will only demonstrate how to add a 64-bit network installation image, but for Ubuntu or Debian 32-bi

RedHat launches SAPHana-certified RHEL images on AWS

Although SAP has launched the Hana cloud platform only on AWS of IBMSoftLayer and development edition, cloud service providers are already deploying SAPHana. JaneCircle is a red hat certified cloud supplier and cloud Access Project Manager. She said the new RHEL image will simplify the process of AWS users setting up Hana in the production environment. She said: ldquo; we found that customers are gradually using SAP nbs in the production environment

Install Mono and Jexus on the rhel platform to set up asp.net servers

Jexus is a cross-platform WEB server that supports linux, unix, and other platforms. Jexus works closely with mono and features high speed and stability. It is the preferred solution for setting up ASP. NETWEB servers on non-Windows platforms such as Linux and Unix. The following describes how to install mono and Jexus on the RedHatEnterpriseLinux (RHEL) platform. The environment I use is RHEL5.5-i386, where Mono is installed Jexus is a cross-platform

Linux certification guide: RHEL Nic binding multiple IP addresses

In the lab, because the internal lan has the IP address of the network segment 192.168.1.0, if you want to connect to the Internet, you need to change the IP address to the network segment 172.16.20.0. The network segment 192.168.1.0 can access the instructor's FTP, 172.16.20.0 can access the Internet. I need to use both CIDR blocks. It is very troublesome to set them. Therefore, bind the NIC to multiple IP addresses. In RHEL, there are two ways to bi

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