rhel tutorial

First, the installation sequence Shun1. Install the Windows operating system first2. Re-install the RHEL 7 systemIi. in grub, add Windows boot informationBecause after installing RHEL7, only the boot information of Linux, but not the information of Windows system, need to be added manually.1. Modify the Grub custom profile (in this case Windows Server 2008 is installed on drive C, and Windows automatically establishes a hidden partition when installed

After installing RHEL 6, you cannot log on to the system as Root on the logon page by default. First, log on to the system as the user created during installation,Open the terminal and convert it to the root user. The corresponding command is su root. Enter the root user password and press Enter,(We recommend that you back up the files to be modified for recovery)Edit the/etc/pam. d/TPD FileThe corresponding command is vi/etc/pam. d/TPD.Go to www.2cto

RHEL sound card problems-general Linux technology-Linux technology and application information, the following is a detailed description. [I = s] This post was last edited by fanyuwushi at, January 1 ,. My system is rhel5.5. When I first installed the system, there was a sound test. After I tested it, there was no problem. But after the system was installed, I entered the system, sound Card charts appear in the upper-right corner, but no sound !!

Git needs to call the code of libraries such as curl, zlib, openssl, expat, and libiconv. Therefore, install these dependency tools first. # Yuminstallcurl-develexpat-develgettext-developenssl-develzlib-devel: download the latest source code from the website http://git-scm.com/downloadand decompress it for installation. # Tar-zxf Git needs to call the code of libraries such as curl, zlib, openssl, expat, and libiconv. Therefore, install these dependency tools first. # Yum install curl-devel ex

Baidu A pile of blog explain how to pretend. Annoying, direct Google, finally solved how to install! Oneself too food, Baidu too pit ~ ~Reference Url:https://github.com/vinodpandey/blog/blob/master/vim7.3-centos-with-python-2.7.3-support.txtInstall the necessary environmentYum-y groupinstall ' development Tools ' yum-y install openssl-devel zlib ncurses ncurses-devel bzip2-develInstall Python 2.7.10sudo yum-y groupinstall ' development Tools 'sudo yum-y install openssl-devel zlib ncurses ncurses

Install ORACLE 11.2.0.3 in RHEL 6.41. There are a total of seven patch packages for preparing the oracle Installation Package 11.2.0.3. For the different functions of the seven files, see: 1. The two packages indicate the database. If you upgrade the database, you only need these two files. The third package indicates the grid, which is used to upgrade the CRS of RAC. If you want to upgrade RAC, use this file first. The fourth is the client, the fifth

Article Title: configuration and application of DHCP service under RHEL. Linux is a technology channel of the IT lab in China. Includes desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic classification I. Introduction to DHCP services 　 DHCP is based on the customer/Server mode. When the DHCP Client is started, it automatically communicates with the DHCP server. The DHCP server provides the D

.... Donechanging ownership and permissions .... DoneRunning postinstall scripts .... Doneattempting to start Webmin Mini Web server: Starting Webmin Serverinch/usr/local/program/webmin-1.750Pre-loaded Webmincore. Done***********************************************************************Webmin has been installed and started successfully. Use your webbrowser to go to http://localhost.localdomain:10000/ andLoginWith the name and password you entered previously.[Email protected] webmin-1.750]# fi

After RHEL is installed to a minimum, install gcc-general Linux technology-Linux programming and kernel information. For details, refer to the following section. Gcc is not installed after RHEL4.0 is minimized! The installation steps are as follows! Find the following installation package and install OK in sequence! Glibc-kernheaders-2.4-9.1.87.i386.rpm third Disk Glibc-headers-2.3.4-2.i386.rpm third Disk Glibc-devel-2.3.4-2.i386.rpm third Disk

1. Create a script file Nginxd[[Email protected]]# vi/etc/init.d/nginxdInsert the following content #!/bin/Bash# # Chkconfig:-15# Description:nginx is a world Wide Web server.#Processname:nginxnginx=/usr/local/nginx/sbin/nginxconf=/usr/local/nginx/conf/nginx.Confcase$inchStart)Echo-N "Starting Nginx" $nginx-C $confEcho"Done";;Stop)Echo-N "Stopping Nginx"Killall-9NginxEcho"Done";;Test) $nginx-T-C $conf;;Reload)Echo-N "Reloading Nginx"PS auxww | grep nginx | grep Master

onchkconfig |grep xinetd • Configure NFS Services1. Installing the NFS service packageYum Install nfs-utils Rpcbind2. Edit the configuration file/etc/exports and add the following:# This line is configured with the default workstation system directory/nodiskos/workstation 192.168.8.0/24 (Rw,async,no_root_squash)# The following section publishes a standalone system directory for workstations/nodiskos/ws100 192.168.8.100 (rw,async,no_root_squash)/nodiskos/ws101 192.168.8.101 (Rw,async , No_

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/73/55/wKioL1X6iCGhIIqkAACNkbOZ8S8981.jpg "alt=" Wkiol1x6icghiiqkaacnkboz8s8981.jpg "height=" 98 "width=" 446 "/>1. Delete the Yum source from Rhel# Rpm-aq | grep Yum|xargs rpm-e--nodeps2. Download the new Yum installation packagewget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-metadata-parser-1.1.2-16.el6.x86_64.rpmwget http://mirrors.163.com/centos/6/os/x86_64/Packages/yum-3.2.29-6

rpm -qa | grep subscription-manager 1. Remove the several items that appear (these exist dependencies) yum remove subscription-manager-gnome yum remove subscription-manager-firstboot yum remove subscription-manager 2. Remove the registration item from the menu yum remove rhn-setup-gnome From for notes (Wiz)Remove the registration hint for RHEL

The network card configuration of the Rhel series distribution can be divided into Tui (curses-based Text user interface, command line configuration, and configuration file configuration).The configuration of the NIC in command-line mode takes effect immediately, but only if it is currently active, the network service restarts, or the system restarts, all previous configurations will be invalidated, and configuration files and the configuration under

: Graphical interface # # to set a default target, run:# # # # Ln-sf/lib/systemd/system/.target/etc/systemd/system/default.target #[[email protected] desktop]# systemctl set-default graphical.target \ Set Default graphical Run level RM '/etc/systemd/system/Default.target ' ln-s '/usr/lib/systemd/system/graphical.target '/etc/systemd/system/default.target ' [email Protected] desktop]# Systemctl get-default \ \ View default Run level Graphical.tar

output is enforcing, which means that the SELinux policy is already in effect.If debugging is required, you can temporarily set the SELinux mode to allow. No restart is required.# Setenforce 0After debugging, set the SELinux to mandatory mode again, without restarting.# setenforce 1LCTT: In a production environment, SELinux will certainly improve security, but it does bring a lot of trouble to application deployment and operation. Specific deployment needs to be based on the situation. ）24. Ins

}Replace the WWID in the example syntax listed above with the correct WWID from the output of Multipath-ll obtained in Ste P 1.4. Run the command ' service MULTIPATHD reload ' and verify the new devices appear in The/dev/mapper directory (Dg3_1, dg3_ 2, Dg3_3, Dg3_4)# Service MULTIPATHD Reload# Ls/dev/mapper5. Label and partition the disk for ASM use# Parted/dev/mapper/dg3_1Mklabel MsdosMkpart pri6325gExitRepeat Step 5 For/dev/mapper/dg3_2Repeat Step 5 For/dev/mapper/dg3_3Repeat Step 5 For/dev/m

protected] ~]# MKFS.EXT4/DEV/DRBD116. Can be used after mounting[Email protected] ~]# MOUNT/DEV/DRBD1/MNT/DRBD1Confirm[Email protected] ~]# df–hNote: Do not mount on the second node, and data written to the DRBD device on the master node is automatically synchronized to the second node. To use data on a second node, you need to switch the second node to the primary node.When switching, the file system is unloaded on the primary node, the second node is changed to the primary node, and then it i

1. DownloadChoose a version hereHttp://www.oracle.com/technetwork/java/javase/downloads/index.htmlHttp://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlor download the desired version directly:Http://124.254.47.50/download/43116570/63017831/4/gz/116/95/1367515406964_607/jdk-7u21-linux-x64.tar.gz2. DecompressionTar zxvf/tmp/jdk-7u21-linux-x64.tar.gz-c/mv/jdk1.7.0_21//JDK3, edit/etc/profile, modify variablesJoinExport JAVA_HOME=/JDKExport path= $PATH: $JAVA _home/binEx

Rhel/centos 6 does not configure network interfaces on default installation. Also, it's configured to use NetworkManager. To enable networking interface and disable NetworkManager please follow instructions below.The/etc/sysconfig/network-scripts/ifcfg-eth0 content looks as follows on default installation.Device= "Eth0″HWADDR=SPECIFC MAC AddressNm_controlled= "Yes"Onboot= "NoFor DHCP, configure the interface as follows.Device= "Eth0″HWADDR=SPECIFC MAC