Linux

As an excellent monitoring software, zabbix not only generates alarms when a fault occurs, but also generates related charts to analyze network traffic, CPU load, and other conditions. 1. Download and decompress the package and the yum Environment

Now, the website server has used snmp for monitoring and has monitored the CPU, memory, and traffic. However, I think we still need to monitor the PV and IP of the website, in this way, you can quickly find out if the server load increases because

Since centos itself does not integrate the PPTP function, we need to install related components so that our RedHat supports PPTP. Download the corresponding installation package based on the kernel version. The components used are as follows: Dkms-2.

Lighttpd is also a lightweight and good web server. Like apachehttpserver, when I first used lighttpd in, lighttpd supported flv streaming media playback and anti-leeching, so we need to use it. Today, we will focus on how to configure multiple

1: uninstall the built-in OpenJDK 2: Install JDK1.6 3: install Tomcat 4: Configure Tomcat to start in daemon mode The following is officially started: ========================================================== ============== 1: uninstall the

The Linux Command Line permanently modifies the IP address, gateway, and DNS. 1. Modify the IP address First, check the number and name of your host Nic. The related information is under/etc/sysconfig/network-scripts. As you can see, I have two

I bought a VPS yesterday and migrated the VM to VPS. the migration process must be data transfer. In the past, the data migration mode for VM instances was very inefficient. The old host package download-> upload and decompress the new host. Because

I. Startup Process 1. bios finds the mbr primary Boot Sector on the disk The firmware fireware (CMOS/BIOS) checks whether the hardware is normal at the hardware level. Different hardware platforms have different firmware and are solidified on the

In the company's forums and user complaints, some of them are normal and slow and cannot be opened for half a day. The reason is that in addition to telecommunications, the network access of other operators is slow. To solve this problem, the

I have been watching puppet these two days. I am going to use this to manage the assignment and deletion of users in my system. However, every time I use the passwd command of the system to generate a user password, it is a little too troublesome,

The telnet and ssh services can only implement remote control based on the Character interface. If you want to implement remote control based on the graphical interface, you can use free VNC. 1. telnet connection 1. First enter the terminal to check

I often encounter some new users who are new to Linux who will ask how much memory is occupied? In Linux, we often find that the idle memory is very small. It seems that all the memory is occupied by the system. On the surface, it seems that the

The trap command is used to specify the action to be taken after receiving the signal. A common purpose is to complete cleanup when a script program is interrupted. However, this time I met it because the customer has a requirement that a user

Vim is a powerful editor. In addition, most of these commands can be combined. For example, the 9yy command indicates copying 9 lines of content, 9 indicates the number of lines to be copied, and 100dd indicates deleting 100 lines. When the number

Linux also has its own restart command, which is very simple to use. Generally, you only need to enter reboot in SSH to restart. When you control (VPS) servers, you do not need to enter the backpane of the server. You only need to open SSH and enter

Cp (copy an archive or directory)[Root @ linux ~] # Cp [-adfilprsu] destination)[Root @ linux ~] # Cp [options] source1 source2 soure3... directoryParameters:-A: This option is usually used when copying directories. It retains links and file

Solution to Iptables port forwarding in Linux: Let's start with an example: An enterprise tests a server software. Based on win2k, the port number is 881. The server connects directly to the external network, and the client accesses it through the

A command is used to compile and install PHP during nginx compilation and installation."Gzip-cd php-5.2.6.-fpm-0.5.9diff.gz | patch-d php-5.2.6-p1"The role of this command is to add "php-5.2.6.-fpm" (this is a php management tool recommended by Mr.

In Console mode, you cannot get information about the operating system by right-clicking> about. In Linux, you can useUname command to help you complete these tasks. Uname isThe abbreviation of unix name. In the console, you only need to type uname.

1. Background of LVM logical volume Management Technology The changing storage needs of enterprises make the traditional disk partition storage not flexible enough 2. Disk Partition Storage For these three physical partitions, data will be filled