, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,4096000Checking for Bad blocks (read-only test): Yue 屾 YaoShu e saving kernel down mitsu inode fully yue 屾 YaoCreating Journal (32768 blocks): Yue 屾 YaoWriting Superblocks and filesystem accounting information: Yue 屾 YaoThis filesystem would be automatically checked every mounts orWhichever comes fi
NAT Table main control is the internal network and external network exchange of the problem, it functions similar to the NAT address translation function in the router, control the internal user how to access the external network, the extranet user how to access the intranetSNAT: Source address Translation, modify the source IP of the packet for the LAN host to access the extranet, after routing the selection is created.DNAT: Destination Address Translation, modify the destination IP of the pack
lines of the file contentsTail Hello.exe View the following 10 lines of the file contentsTail-n 5 Hello.exe View the following 5 lines of the file contentsThe file type is determined by the contents of the file, and the suffix of the file is unimportant.File hello.exe### #查看hello. exe files typeFile for view ask Price type command################################1 Kanji for 3 bytes,There is one character (bytes) at the end of each line.Wc-l Test Line
Ls-A # # #列出所有文件 all-L # # #列出文件属性-R # # #第归列出文件-S # # #列出文件大小--size-S # # #按大小排序列出文件-D # # #指定目录本身 Directory. # # #指当前目录.. # # #当前目录的上一级目录Normal user home directory for/home/usernameEx. Student User home directory for/home/studentEx. Root User home directory is/root~ # # #当前目录的家目录~student # # #进入到student用户的家目录CD ~ # # #进入家目录CD ~username # # #进入某以用户家目录CD ~student # # #进入到student用户的家目录CD-# # #当前目录和上一次目录之间跳 (the directory in which the system was previously entered)Mkdir-p/qq/tupian/file-p set up a
RedHat Enterprise 6.5 environment using Eaccelerator to optimize website performanceThe first step: Before the optimization, first of the Web server hardware to do a test1, Memory information: 2G memory, swap capacity 4G[Email protected] ~]# free-mTotal used free shared buffers Cachedmem:1870 1228 642 0 47 435-/+ buffers/cache:744 1125swap:4095 0 40952,CPU information can also be viewed through cat/proc/cpuinfo[Email protected] ~]# LSCPUArchitecture:x
oracle| script RedHat The creation of Oracle startup scripts under Linux
2001-06-05 8:25
Publisher: Crystal read: 1021, modify $oracle_home/bin/dbstart script
First Test your $oracle/bin/dbstart script, and if you can start ORACLE correctly, skip to part two.
I run the environment for redhat7.1+oracle8.1.6, found that the Dbstart script has problems, can not get the currently running Oracle version number.
Reference: http://bbs.chinaunix.net/thread-2216821-1-1.html
Redhat linux7.0 system installed in the virtual machine, no NIC similar eth0
Ifconfig-a No.
ls/etc/sysconfig/network-scripts/, No.
Post-Test after reference
DMESG |grep NET does not have
Lspci | Grep-i ether no equipment.
grep eth/etc/modules.conf has unknown device
Lsmod
DMESG |grep ETH No.
Originally changed the virtual network card aft
JSP is a new web development tool developed by sun on the basis of servlet, ejb+jsp/servlet+ application Server + database has already become the popular structure of e-commerce site in foreign countries. tomcat3.1 implements the latest servlet2.2 and jsp1.1 standards, and sun is also recommended for Tomcat, this article describes tomcat3.1 installation under Redhat.
Get jdk1_2_2-linux-i386.tar.gz in java.sun.com
In http://jakarta.apache.org/builds/t
Tags: mysql 5.7 installation configurationEnvironment Preparation:Operating system: RedHat 6.7Database: Mysql 5.7.181. Download mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz from official websiteWebsite address: http://dev.mysql.com/downloads/mysql/2. Create a MySQL user group/user, the data directory and its user directoryMkdir/home/mysqlMkdir/mysql_dataGROUPADD-G 505 MySQLUseradd-u 506-g mysql -s/bin/false-d/home/mysql MySQL3. Unzip the installation pa
Redhat configure yum source using centos
Red Hat products include RedHat Linux (such as Redhat8, 9) and Red Hat Enterprise Linux for enterprises. CentOS is short for Community ENTerprise Operating System. Many of us call it a Community ENTerprise Operating System. No matter how you call it, it is a release version of linux.
Most software packages that constitute RHEL are released based on the GPL protocol,
RedHat products include RedHatLinux (such as Redhat8, 9) and RedHatEnterpriseLinux released for enterprises. CentOS is short for communitypoliciseoperatingsystem. many of us call it a community enterprise operating system. no matter how you call it, it is a release version of linux. Most of the software packages that constitute RHEL are developed based on the GPL protocol.
Red Hat products include RedHat Li
When yum commands are used on the RedHat system, the following problems occur: ldquo; ThesystemisnotregisteredwithRHN rdquo; the reason is that the node is not registered on the Red Hat Network. The solution is to use CentOS yum source 1. view the default yum package installed by rhel and uninstall [root @ zhu1 ~] # Rpm-qa | grepyumyum-fastestmirror-1.1.16-14.el5.centos.
The following problems occur when using the yum command on the
1. Download the RPM installation package. Because the software requires a dependency when installing MySQL, we recommend that you download all the installation packages and then install the RPM packages in sequence.
2. After installation in RedHat, the root password is blank. Set the root password of MySQL and use the following command to set it.
[Nb @ SIT ~] $ Mysql-u root-p [newpassword]3. Modify the MySQL root Password and run the following command
// specifies the DNS server of the current host. A maximum of three DNS servers can be specified.Search lpwr.net // set the default search domain of the current hostNameserver 192.168.0.100 // specify the preferred DNS ServerNameserver 172.16.254.2
Other commands
############################/Sbin/ifconfig###########################
/Sbin/ifconfig // display the ifconfig command to view Network Interface InformationIfconfig eth0 // display the information of the specified InterfaceIfcon
install Haproxy under Redhat
First view the system kernel version number and system name
Uname-a
Linux rh64pfcrm01kf 2.6.32-358.el6.x86_64 #1 SMP Tue, 11:47:41 EST 2013 x86_64 x86_64 x86_64 gnu/linux
Haproxy Installation
Haproxy official website Download source code installation package http://www.haproxy.org/download/1.7/src/haproxy-1.7.5.tar.gz, and copy the source package to a Linux directory
Perform the following command to install Haproxy
TAR–
Redhat Linux Network configuration, basically by modifying several configuration files to achieve, although can also use Ifconfig to set IP, with route to configure the default gateway, with hostname to configure the hostname, but restart will be lost.
Related configuration Files
/ect/hosts 配置主机名和IP地址的对应 /etc/sysconfig/network 配置主机名和网关 /etc/sysconfig/network-scripts/ifcfg-eth0 eth0配置文件,eth1则文件名为ifcfg-eth1,以此类推
One, network card configuration
Let's
-x86_64-dvd.iso sha256/md5/sha1The third option is a wizard that solves the problem2. Select the language that is displayed during the installation process, of course Chinese3. Other settings, time zone, installation language and keyboard layout, installation source is the local shutdown, choose to install with GUI interface, actually want to experience some graphical interface,Partition using LVM automatic partition, about the partition this piece, has been specially studied before, have time t
RedHat build physical Data Guard
My environment:
Both machines are Red Hat Enterprise Linux Server release 5.4
Database Version: Oracle10g10.2.0
Install oracle software on the primary machine and create the database orcl
Only the oralce software is installed on standby, and no database is required.
Basic Configuration:
Source database:
IP: 10.37.1.1
Database SID: orcl_p
Db_unique_name: orcl1
Standby database:
IP: 10.37.1.2
Database SID: orcl_s
Db_uniq
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