Linux

1. Create a folderGo to the/usr/folder, create a file, I am here the Java folder, copy the Jdk-6u45-linux-i586.bin to the/usr/java folder2. execute jdk1.8.0_74 under the/usr/java foldertar zxvf jdk-8u74-linux-x64.gz 3. Configure Environment

1. System Command 1.1 dual system mount Windows hard disksudo fdisk-l view all Windows disksAfter entering the MNT directorysudo mkdir d Create a new directory Dsudo rm-r D recursively deletes the subfolder under directory D and its directorysudo rm-

Download the Linux kernel https://www.kernel.org/on this websiteAfter the download is complete, copy to the/USR/SRC directory and unzip// Download the directory under the $ sudo cp linux*z/usr/src////USR/SRC directory under $ sudo tar xvjf

1. CD Switch file directory2, LS Displays the contents of the current directory3, ll or Ls-l list to display the contents of the current directory4. PWD Displays the current path5, mkdir Create a new empty directory6. RmDir Delete an empty directory7

You do not need to delete the old JDK, install the new version of the JDK, and then update the environment variables.To install the JDK under Linux, proceed as follows1: Download the JDK Package: This chapter uses a file with the suffix tar.gz (no

I. System installationSelect Install Centos linux7;==> after entering the system installation interfaceSelect language (Chinese) = = Select the installation location1. Configuring partitions/boot =200m SWAP = twice times of memory all the remaining

1. Turn off SELinux#临时关闭setenforce 0# permanently closed vim/etc/selinux/configselinux=disabled2. Set the run level to 3#设定运行级别vim/etc/inittabid:3:initdefault: #查看当前级别 [[email protected] ~]# Runleveln 33. Streamlined boot-up#系统安装后只保留crond, sshd,

The less tool is also a tool for paging through files or other output, which is a very powerful tool for Linux to view the contents of a file. The usage of less is more resilient than more. In more, we have no way to turn front, can only look back,

Before you begin, verify that the GCC g++ Development class Library is installed, and that the default is set.The UBUBTU platform compilation environment can use the following directivesapt-get install build-essentialapt-get install libtool The

VSFTPD ServiceInstalling VSFTPDYum Install Vsftpd-yEmpty firewall default rules and saveIptables-fservice iptables SaveViewing the VSFTPD configuration fileMv/etc/vsftpd/vsftpd.conf/etc/vsftpd/vsftpd.conf_bak #重命名grep-V

Computers on the Internet will have a unique 32-bit address, IP addressWhen we access the server, we have to pass this IP addressLAN also has reserved IP address, 192/10/172 start. The IP address of the local area network is also unique.Nat mode,

1) The program should be small and single-minded, the program should be as small as possible, and only focus on one thing, do not develop those who look useful but 90% of the situation is not used to the characteristics;2) program is not only

The more command, which functions like cat, the Cat command is the entire contents of the file displayed on the screen from top to bottom. More will be a page-by-page display to facilitate users to read pages, and the most basic instruction is to

Basically, Linux's Orthodox file system is EXT2, and the main contents of this filesystem include:Superblock: Records the overall information of the sub-filesystem, including the total number of inode,block, usage/remainder, and file system format,

1.CD CommondA. cd usr switch to this directory in usr directory B. CD. / switch to the previous level of directory c. CD/ switch to system root D. CD ~ switch to user home directory E. CD- switch to the previous directory2.directory

Centos6.9 compile and install httpd2.4 Environment:Centos6.9Apr-1.6.2.tar.gzApr-util-1.6.0.tar.gzHttpd-2.4.27.tar.bz2 1. Install the development package Group [root@CentOS6 /app]$ yum groupinstall "Development tools"[root@CentOS6 /app]$ yum install

Install the font on CentOS1. Copy the font to CentOS in Windows XP or Vista or download it here: [html] view plaincopy Http://linux.linuxidc.com/pub/2009/11/12/%E9%9D%A2%E5%90%91Ubuntu%E7%9A%84%E5%BE% AE

Linux two link commandsLink command: the most fundamental purpose of the abbreviation of ln link is to use multiple-S: Create a soft connectionLl-I view detailed information including I node InformationHard link feature: delete one file and the

Summary of CentOS kernel upgrade1. Download the kernel package to the local machine and update it locally. # Download the kernel package you want to update Http://ftp.scientificlinux.org/linux/scientific/6/x86_64/updates/security/kernel-2.6.32-696.13

Add PATH environment variables in linux In Linux, add the command to the PATH to classify the blog:LinuxLinuxApacheBash Simply put, PATH is a string variable of a group of paths. If the command you enter does not contain any PATH, LINUX searches for