red hat linux certification study guide

After RHEL is installed, although you can log on remotely or FTP files through SSH, it is not convenient and flexible enough. This article describes how to activate the FTP service and the possible problems. 1. Install the FTP service Environment: Red Hat 4.1 Installation: 1. Log On As the root user and mount the installation disc: # Mount/dev/CDROM/mnt/CDROM, 2. Enter/mnt/CDROM/server and find the xinetd

System Environment for installation: win7 32-bit 3G memory I. Virtual Machine Installation Software preparation: Download vmware_workstation_wmb.zip Decompress the package and install it. After installation, open the interface as follows: Select "create a virtual machine" to create a virtual machine without installing the system. Ii. Red Hat Linux Instal

Abstract: There is no doubt that Linux is a popular operating system, although it is more popular in the server field than in the desktop. If you are a fan of Red Hat Enterprise Linux, the company announced today that RHEL 7 is open for download. The new version includes many changes. For system administrators, it may

LS user can only write 1000kb content, stating that the user and group set up the quota group in effect!650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/72/CE/wKiom1XteYKQUYYpAALm9MK4ySk006.jpg "title=" J9z9ddy) _}2d[4jtnaaq5}o.png "alt=" Wkiom1xteykquyypaalm9mk4ysk006.jpg "/>Users can view their disk quota information by using the "quota" command650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/72/CB/wKioL1XtfMzSR7tbAAExOcEihO8829.jpg "title=" 7q3{[ rxbx]qvgzl{97 (wnc1.png "

0.Will pop up1. In the pop-up folder, find "Vmwwaretools9.6.2-1688356.tar.gz", right click "Unzip to" ... I unzipped to the "home/{User name}/toolstemp/" Folder ...Notice that this file is available.↓2.Finally easy, open the terminal "cd/home/{User name}/toolstemp" Enter ..."./vmware-install.pl" carriage return ...You can have it.3.Error in the middle of the "{User name} is ' not ' in the sudoers file. This incident would be reported. "And it's not the first time you've reported this error ... R

1. This article uses the system comes with the RPM package to install, because this Linux system is optimized, therefore does not need the CD-ROM to mount.2. IntroductionBind is an open source DNS server software developed and maintained by the University of California, Berkeley, with full name Berkeley Internet name Domain It is currently the most widely used DNS server Software in the world, supports a variety of UNIX platforms and Windows platforms

1. Set up the SSHD service boot[[email protected] ~]# chkconfig sshd onView sshd boot Status[Email protected] ~]# chkconfig--list|grep SSHD2. View sshd Service Status[[Email protected] ~]# service sshd statusOpenssh-daemon (PID 3378) is running ...3. Stop the SSHD service[[Email protected] ~]# service sshd stopStopping sshd:4. Start the sshd service [OK][[Email protected] ~]# service sshd startStarting sshd: [OK]5.SSHD Service configuration file/etc/ssh/sshd_configPortProtocolListenAddress 10.22

First, put the disc into the optical drive. Step 1: # mount to check where the disk is mounted. For example, I am/dev/hdc. # Mount-t/dev/hdc/mnt/rhel Step 2: Create a repo file # vim/etc/yum. repos. d/rhel-local.repo [Cluster] name = RedHatEnterpriseLinux $ releaseve First, put the disc into the optical drive.Step 1: # mountCheck where the disk is attached. For example, I am/dev/hdc.# Mount-t/dev/hdc/mnt/rhelStep 2: Create a repo File# Vim/etc/yum. repos. d/rhel-local.repo[Cluster]Name =

startNote: You need to set Telnet as the System Firewall Trust program, you can directly implement this function in the graphical interface, relatively simple, "preferences, firewall", the results of the configuration such as:2. FTPFTP service in the process of installing the system can be directly checked on the installation, after installation direct use of the command:service vsftpd start can be started directly.However, the client may still be unable to log on after the launch, and the barr

Oracle 11G 64-bit automatic restart and shutdown commands in RHEL (Red Hat Enterprise Linux, the same below) 5.5 64-bit: Log On As an oracle user and enter: VI/etc/init. d/Oracle On the Edit page, add the following content: (assume that the Oracle main directory is/u01/APP/Oracle/product/11.2.0/Dbhome_1) #! /Bin/ Sh # Chkconfig: 35 80 10 # Descripti

Basic ACL settings for Red Hat Linux 7 1. ACL introduction: The Access Control List (ACL) is the command List of the vro and vswitch interfaces. It is used to Control incoming and outgoing packets on the port. ACL applies to all routing protocols, such as IP, IPX, and AppleTalk. 2. How to view the permission list: [Bkjia @ foundation2 Desktop] $ ls-l file-Rw-r --

=" Wkiom1uisk3quhejaakdz8w-8g0017.jpg "/>During installation, select root password to set the root user's password650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5B/66/wKioL1UISdayn171AAK321i9Amk702.jpg "style=" float: none; "title=" 2015-03-17_231913.png "alt=" Wkiol1uisdayn171aak321i9amk702.jpg "/>Enter and confirm the root user password650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5B/6C/wKiom1UISLKTURYhAAIKZl5HWb0609.jpg "style=" float: none; "title=" 2015-03-17_231927

/init.dvim JenkinsAfter you enter the above command, edit the path. For example, with:2. After installation, assuming that the port conflict with the local, you need to change the port number Jenkins. Such as:Cd/etc/sysconfigvim JenkinsSuch as:jenkins_port= "8080" jenkins_ajp_port= "8009"You can change the port number after you go in (notice that the configuration is run through the source command in Jenkens after the change is complete.Command:Source/etc/sysconfig/jenkens)Four. StartServer that

found,virtual machines are starting to come. Re-install the trouble, yes.~what to do now. Haha, the following method can help careless "hand-mutilated" small pots of friends~650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0082.gif "alt=" j_0082.gif "/>Storage (hard disk) virtual machine snapshotqemu-img create-f qcow2-b dd.img xx.img650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0079.gif "alt=" j_0079.gif "/>Virsh undefineddd// Delete VMS front End manager, does not delet

Basic Regular Expressions (Regular expression) match any character \{n,\} match previous character repeat at least n times * repeat 0 or more times \{n\} match before character repeats N times .* matches any number of arbitrary characters \ (.. \) tag match character [" matches any single charact

#mirrorlist=http://mirrorlist.centos.org/?release=4arch=$basearchrepo=centosplus baseurl=http://ftp.sjtu.edu.cn/centos/6/centosplus/$basearch/ gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 #contrib - packages by Centos Users [contrib] name=CentOS-6-Contrib #mirrorlist=http://mirrorlist.centos.org/?release=4arch=$basearchrepo=contrib baseurl=http://ftp.sjtu.edu.cn/centos/6/contrib/$basearch/ gpgcheck=0 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-K

You'll need about 2.5 GB for the database software. If you perform a typical database installation and don't a customized database installation, then you'll need about 3.5 GB of disk space. 6, "Binutils" Issue (If you fond following error) Q: "Error invoking target install of makefile/opt/oracle/product/9.0.1/plsql/lib/ins_plsql.mk" A:This obviates the need to change binutils Download the following Binutil RPM version and downgrade Binutil on the Oracle server: ftp://ftp.redhat.com/pub/red

/1_24144_831167377.log Rm-f/arch_backup/2_22765_831167377.log Is that Y's too much line spacing.]cat crosscheck_archivelog.sh #!/bin/bash source/home/oracle/.bash_profile exec >>/home/oracle /dbscripts/logs/del_arch ' Date +%f_%h '. Log $ORACLE _home/bin/rman target/This is the last script for the test! The annotations that were originally used to delete the archived logs.This verification script is primarily intended to clean up archived information. Assu

Change# Mv/etc/redhat-release/etc/redhat-release.orig# echo "Red Hat Enterprise Linux Server Release 4 (Nahant Update 4)" >/etc/redhat-release 7.setting system Parameters # Cat >>/etc/sysctl.conf Kernel.core_uses_pid = 1 Kernel.shmall = 2097152 Kernel.shmmax = 2147483648 Kernel.shmmni = 4096 Kernel.sem = [32000] Fs.fil E-max = 65536 Net.ipv4.ip_local_por

One Month One Day Red Hat RedHat Enterprise Linux (RHEL) 6 The official version of the release, do not know whether it is coincidental, or intentional, the same day the Apple system Mac OS X 10.6.5 also released on Singles Day. I heard that the Red Hat was ready for 10 year