Linux

1. Download the database versionMysql-5.7.21-linux-glibc2.12-x86_64.tar.gz2. DecompressionTAR-ZXVF mysql-5.7.21-linux-glibc2.12-x86_64.tar.gzMV Mysql-5.7.21-linux-glibc2.12-x86_64 MySQL3. Initialize the database5.7 differs from previous version

Take Pycharm as an example:First go to the official website to download the corresponding compression package, and then use the tar zxvf xxx.tar.gz extracted to the corresponding directory, Then find the pycharm.sh file, next is to create a new file

[Email protected] ~]#Where ' root ' is the login user name, ' IZKFV3ZMVCL0OMZ ' is the login hostname, ' ~ ' indicates that the current user is in the root user's home directory, ' # ' indicates that the current logged on user is the root user.Usage:

One, zip formatZip may be the most current document compression format used. Its greatest advantage is that it is used on different operating system platforms. The downside is supportThe compression rate is not very high, and tar.gz and tar.bz2 are

8.10 "Linux learning is not difficult" Linux Common Operations Command (TEN): Cal command Display calendar information use the CAL command to display the calendar for a computer system. command syntax:Cal [ Options ] [[[ Day ] month ] year ]the

ls commandLs-a Show all files including hidden filesLs-a shows all files including hidden files except. And..LS-R Reverse Display file listLS-R displays only the first level of subdirectories and files by default, and R represents the recursive

start with the next JDK configuration:1. Check the system information to confirm whether it is 32-bit or 64-bit: uname-a2. Download the corresponding bits of the JDK package to the Linux system, which provides a 32-bit and 64-bit download link:

1. Set window IP address to 192.168.3.XX, mask 24 bits. 2, set the Linux IP address to 192.168.3.YY, mask 24 bits. Windows and Linux ping each other. 3. Telnet and vsftp services are enabled in Linux. 4, Linux in the establishment of A + school

9.7 User Management (7): Set or modify user passwordsUse the passwd command to set or modify the user's password, both ordinary and super-privileged users can run passwd, ordinary users can only change their own user password, the root user can set

Install VSFTPD1, execute the following command as Administrator (root) 1.  yum install VSFTPD2, set boot boot vsftpd FTP service 1.  chkconfig vsftpd On3, Start vsftpd service 1.  service vsftpd start management vsftpd related commands: Stop

Linux operating systemCharacteristics:There are no drive characters in the system. Only files.Directory structure:/etc Storage System configuration file. (Network configuration Firewall ....)Home for ordinary users./root Super Administrator's

Search on the Internet for n long, found a good document, reproduced:1. View all hardware information for the machine:Dmidecode |moreDMESG |moreThe 2 commands are very informative, so it is recommended to use "|more" later for easy viewing2. View

Upload the downloaded JDK installation package to your Linux server. I've also uploaded Tomcat and MySQL here.Unzip the JDK-8U171-LINUX-X64.TAR.GZ installation packageMkdir-p/usr/java Create a new folderTAR-ZXVF jdk-8u171-linux-x64.tar.gz-c/usr/java

Reprint: http://www.cnblogs.com/ggjucheng/archive/2012/01/05/2312625.htmlThe Vmstat command is the most common Linux/unix monitoring tool that can show the status of a server at a given time interval, including server CPU utilization, memory usage,

1. Prerequisites:1) Download and install the JDK. Enter the command "Java-version" in the terminal, if a similar message appears stating that the JDK installation was successful.$ java-versionJava Version "1.7.0_45"OpenJDK Runtime Environment (rhel-2

1. First login to Linux, switch to root usersudo passwd root modifies the root user's password2.su root switch to root user3. Create the Java installation directory in the USR directoryCD usr; mkdir Java4. Copy the jdk-8u60-linux-x64.tar.gz to the

First , four w in the logWhen: event occursWhere: Where is the log generatedWHO: Which programs triggered this logWhat happened?Second Simple log collection topologyNetwork devices, servers through the protocol Syslog to the log server, log server

[What is make?] ]　Make is a command tool that is a command tool that interprets instructions in makefile. It simplifies the instructions that are placed in the compilation process, and when make is executed, makes searches the current directory for

1, check the JDK version of the system[Email protected] software]# java-versionShow:OPENJDK version "1.8.0_102" OPENJDK Runtime Environment (build 1.8.0_102-b14) openjdk 64-bit Server VM (build 25.102-b14, MI Xed mode)2. Detect JDK installation

Original: https://www.cyberciti.biz/faq/linux-traffic-shaping-using-tc-to-control-http-traffic/I ' ve 10Mbps server port dedicated to our Small Business Server. The server also act as a backup DNS server and I ' d like to slow down outbound traffic