rhel tutorial

/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 the default RunLevel graphical.target????????????????????OK, the graphical desktop has been installed!!!The Ps:linux system does not enter graphics after booting for the

This paper analyzes the starting process of static route of Rhel/centos system, so that students can understand the starting process of Linux system.can help students to better understand the Linux system, also can help the usual troubleshooting.-System startup script/etc/init.d/network, this script is a critical line initiated by the bash script, static route:Action $ "Bringing Up interface $i:"./ifup $i BootIfup refers to the/etc/sysconfig/network-s

has been used in CentOS 6 habit, a bit did not adapt to come over. Firewall configuration after performing service iptables save appears "Failed to restart Iptables.service:Unit iptables.service Failed to load:no such file or Directory. " Error, the firewall is managed by FIREWALLD in CentOS 7 or Rhel 7 or Fedora, and of course you can restore the traditional way of management. or use the new command to manage it.If you use tradition, execute the comm

Prerequisites:The system needs to install the gcc-c++ and ncurses-devel in advance, if not installed, the two packages need to be installed:# Yum list |grep gcc-c++ gcc-c++.x86_64 4.1. 2-el5 rhel-|grep ncurses-devel ncurses-devel.i386 5.5 -24.20060715 installed ncurses-devel.x86_64 5.5- 24.20060715 installed Install CMake:# TAR-XVF cmake-3.2

One:the Rhel 5 series and the 6 series enable the same wayPrerequisite:1. Install the desktop environment (non-minimized installation) and the default boot bounds of 52.IP address is fixed IP(preferably set gateway and DNS)3. ensure that firewalls and SELinux are turned offSecond: Open the steps1. Modify The/etc/gdm/custom.conf file, add the following (red font)[Daemon][Security]Allowroot=trueAllowremoteroot=true[XDMCP]Enable=trueport=177[GUI][Greeter

Enable the EPEL6 yum Source:1, RHEL/CENTOS/SL Linux 6.x installed EPEL6 Yum Source:32-bit System selection:rpm -ivh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm64-bit System selection:rpm -ivh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpmImport Key:rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-62、RHEL/CentOS/SL Linux 7.x 下安装 EPEL7 yum源：http

RHEL common commands 1, shut down the shutdown-hnowhaltpoweroffinit0www.2cto.com2, restart reboot3, view the current directory pwd4, add the system user useraddnewuser5, change the user password passwdnewuser and then enter the password, enter the Confirm password. 6 ,... common RHEL commands 1. shutdown-h now halt power off init 0 www.2cto.com 2. restart reboot 3. view the current directory pwd 4. Add syst

RHEL dual Nic binding add bound Nic File: vi/etc/sysconfig/network-scripts/ifcfg-bond0DEVICEbond0ONBOOTyesTYPEEthernetBOOTPROTOstaticIPADDR192.168.56.101NETMASK255.255.255.0 # GATEWAY19 RHEL dual Nic binding add bound Nic file: vi/etc/sysconfig/network-scripts/ifcfg-bond0DEVICE = bond0ONBOOT = yesTYPE = EthernetBOOTPROTO = staticIPADDR = 255.255.255.255.0 # GATEWAY = 192.168.56.101 # BROADCAST = 10.250.7.25

[Email protected] ~]# rpm-aq|grep Yum|xargs rpm-e--nodeps//Find, delete Rhel 7 own Yum installation package[Email protected] ~]# RPM-IVH--nodeps langtable-0.0.31-3.el7.noarch.rpm yum-3.4.3-132.el7.centos.0.1.noarch.rpm yum-langpacks-0.4.2-4.el7.noarch.rpm yum-metadata-parser-1.1.4-10.el7.x86_64.rpm yum-plugin-aliases-1.1.31-34.el7.noarch.rpm yum-plugin-changelog-1.1.31-34.el7.noarch.rpm yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm yum-plugin-tmpr

Tags: RHEL redirection user base Main concepts: 1. Terminal-based programs often read information from a source and write information to a destination; 2. The source read by the program is referred to as the standard input (stdin for short) and is usually connected to the terminal keyboard; 3. The write destination of the program is referred to as the standard output (stdout for short), which is usually connected to the terminal display; 4.

Use apt to set automatic update for RHEL-Linux Enterprise Application-Linux server application information. The following is a detailed description. The automatic update function of the Linux server is finally completed. in fact, the process is very simple, but it turns around a lot. other releases and even purchased PDAs can easily set up the UPDATE function. but this is the only way to break the RHEL, so

Solution to Yum failure in RHEL The following prompt appears when using the yum command in RHEL: This system is not registered with RHN The cause of the error is that the system is not registered in the red hat. The solution can be replaced by the centos software package. The difference is that one is a commercial version System and the other isCommunityMaintain the version system. 1. view the install

Recently, I have been studying Linux. The first time I came into contact with RHEL 4 as was a long time ago. So this time I still use the RHEL series. But now, RedHat only provides versions that were downloaded from earlier versions, many of them are in verycd, but the EDK link is closed in the school ~~ I can only continue to Google, and finally found an FTP provided by netizens. I have read all the mainst

I re-visited The RHEL study material and setup the environment again, noted down the procedure.1, copied the *.VDI (RHEL6STD.VDI and RHEL6-STUDENT.VDI) file from Lenovo ThinkPad T400 to my new Lenovo ThinkPad X1, Crea Ted the new machine is importing the *.VDI, no need to install the system again.2, setup the network at Linux instructor and Linux StudentIn VirtualBox Manager, file->preferences...->network, to create "VirtualBox host-only Ethernet Adap

RHEL implements rsh password-less access I. Environment 1. Two rhel 6.4 host names: node1 and node2 2. The IP addresses are 192.168.78.14 192.168.78.15 3. The hosts files of both hosts are: 192.168.78.14 node1 192.168.78.15 node2 2. Install rsh and rsh-server (both hosts are installed), and set to start the rsh and rlogin services. 1. [root @ node1 ~] # Yum-y install rsh-server 2. [root @ node1 ~] # For I i

Rhel nic Driver problems (rare)-Linux general technology-Linux technology and application information, the following is a detailed description. The result of installing RHEL... failed to find Nic interface... ifcfg-eth0 does not exist. Unable to find the NIC device. After using the lspci command to find the network card type realtek... In the http://www.realtek.com.tw/downlo... 11/RTL8168/RTL8111C the webs

RHEL 6.5 x86_64 configure CentOS yum Source 1. Delete the yum source that comes with rhel. # Rpm-aq | grep yum | xargs rpm-e -- nodeps 2. download the new yum installation package Wget 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-3.2.29-69.el6.centos.noarch.rpmWget http://mirrors.163.com/centos/6

The following steps are successfully tested on CentOS 5/6/7, RHEL 5/6/7, and Oracle Linux 6/7.Node 1: 192.168.0.9 node 2: 192.168.l.10Step 1:Test the connection and access from node 1 to Node 2:[Root @ node1 ~] # Ssh root@192.168.0.10The authenticity of host' 192. 168.0.10 (192.168.0.10) 'can't be established.RSA key fingerprint is 6d: 8f: 63: 9b: 3b: 63: e1: 72: b3: 06: a4: e4: f4: 37: 21: 42.Are you sure you want to continue connecting (

Linux Rhel 6.4 Apache compiler installation and simple configuration process (2)Note: The following extracts are the commands executed during the installation process, and command feedback is not posted to replace with "...". Watch as you look at the directory where the command is executed.Soft-connect Apache's section execution program to/usr/local/bin (executable commands are placed into $path contained paths for easy execution of Apache commands)[E

Linux Rhel 6.4 Compile and install Apache process (1)Note: The following extracts are the commands executed during the installation process, and command feedback is not posted to replace with "...". Watch as you look at the directory where the command is executed.Installation Platform[Email protected] ~]# cat/etc/redhat-releaseRed Hat Enterprise Linux Server release 6.4 (Santiago)Required version of the tool and1.httpd-2.4.25.tar.gz(HTTP://HTTPD.APACH