CentOS

Dstat If the system does not have some tools yum-y install Dstat installation, the software is small, the package size is only 144k, installation size 660k. This tool will dynamically display the Cpu,disk,net,page,system load situation by default,

All the devices in the CentOS are files. The NIC is also defined in the file. The binding of IP also requires only changes to the file. Network card related files in directory:/etc/sysconfig/network-scripts Querying Current IP information:

In the past, the centos7 virtual machine was installed. In order to play with Docker, I forgot the password I set. I reset the password in a circle on the Internet and recorded it.Only know that you can enter the single user mode by pressing e, but

Rsync has the following advantages:1. Images can be used to save the entire directory tree and file system.2. You can easily maintain the permission, time, and soft link of the original file.3. Installation without the authorization of the special

  The code is as follows:Copy code [Root @ chenyi unix-python] # tar jxf Python-2.7.2.tar.bz2[Root @ chenyi unix-python] # cd Python-2.7.2[Root @ chenyi Python-2.7.2] #./configure -- prefix =/software/python[Root @ chenyi Python-2.7.2] # make &

Usage: The code is as follows:Copy code [Root @ itchenyi-1 ~] #./Vsftpd_auto_user.py create chenyi # create a userPlease input your ftpuser's password>>: Password[Root @ itchenyi-1 ~] #./Vsftpd_auto_user.py delete chenyi # delete a user[Root @

Because you often need to back up website data, you have learned how to send emails through shell in linux. Here we use CentOSFor example, use the mail command to send external emails. The syntax of the mail command is as follows: The code is as

CentOS Linux:1. Packages to be installed: tigervnc and tigervnc-server2. Configure the display resolution, desktop, and User:Edit/etc/sysconfig/vncserversAdd two lines according to the last two lines commented out. The code is as follows:Copy code

Lab environmentFront-end nginx: ip address 192.168.6.242, reverse proxy for the back-end wordpress website to achieve load balancingBackend nginx: wordpress is deployed at ip 192.168.6.36 and 192.168.6.205, and the same database is used.1. Install

Vsftp cannot upload filesAfter using SecureCRT for remote logon, I performed the following checks:① The vsftp configuration file (/etc/vsftpd. conf) is opened and the write_enable status is checked:[Root @ VM_72_108_centos/] # cat/etc/vsftpd. conf |

Step 1: Download and install MariaDBThe installation slave database MariaDB is run as a CentOS 7 repo in CentOS. Any lower requirements require you to add additional repository servers. Run the following command on your server:Yum update-yYum

Svn installation 11. Download the subversion installation package, decompress it, and enter the subversion directory.Wget http://subversion.tigris.org/downloads/subversion-1.6.6.tar.gzWget http://subversion.tigris.org/downloads/subversion-deps-1.6.6.

Today, my colleagues from the company asked me to extend the hard drive of a virtual machine on the exsi server. After connecting to the exsi server, I directly added 20 GB to the original 40 GB hard drive, my colleague told me that it was a linux

1. Port configurationEnable the redis port and modify the firewall configuration file vi/etc/sysconfig/iptablesAdd port configuration-A RH-Firewall-1-INPUT-m state -- state NEW-m tcp-p tcp -- dport 6379-j ACCEPT-A RH-Firewall-1-INPUT-m state --

I. INTRODUCTIONNagios is an open-source computer system and network monitoring tool that can effectively monitor the status of Windows, Linux and Unix hosts, network settings such as vswitches and routers, and printers. It's a powerful O & M tool,

Installation Requirements# Yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel# Yum install gcc perl-ExtUtils-MakeMakerUninstall git1.7.1 from CentosUse git-version to view the version of the system. Cento6.5 should contain the

Meaning of branch development:Scenario 1: some customers want to customize the product, but we do not want to modify the trunk code in the original svn.Scenario 2: We are developing tasks for the next stage of the product, but the work in the

Basic format1. iptable [-t table] command option [name] matching condition [-j Action]2. Common command options are as follows:-A [append] adds A rule at the end of the specified connection-D [delete] deletes a rule in a specified connection. It can

First MX resolutionA records mxdomain 188.188.188.188MX @ mxdomain.xxx.com// Postfix 2.6.6Yum install postfixVi/etc/postfix/main. cfMyhostname = mxdomain.xxx.comMydomain = xxx.comMyorigin = $ mydomain // The domain name after.Inet_interfaces = all //