Linux

Generally, you can manually back up the websites in the VPS. Generally, the old man prefers to back up a website once a week. This frequency should be quite good. The "automatic and timed backup of database/website Files" method shared yesterday is

Linux Performance Tuning 5: tuning an Important Role in soft raid storage. RAID independent redundant disk arrays are classified into two types: raid card-based hard raid (hardware implementation, high speed, suitable for large-scale applications),

CloudStack 4.1.0 installation explanation-1. The management node CloudStack is a powerful and UI-friendly open-source cloud (IaaS) computing solution. Since Ctrix donated CloudStack to apache, its community activity has gradually caught up with

Linux Command abbreviations bin = BINaries/dev = DEVices/etc = ETCetera/lib = LIBrary/proc = PROCesses/sbin = Superuser BINaries/tmp = TeMPorary/usr = Unix Shared Resources/ var = VARiable? FIFO = First In, First Out GRUB = GRand uniied Bootloader

The following error message is displayed when ftp is used today.530 only client ip address allowed to connect to pasv socketI have never seen this method, but according to my own understanding of this English section, your ip address is not within

This article will introduce you to The solution that prompts The requested URL *** was not found on this server error in linux. If you need to know about The solution, you can refer to it. Because someone else installed nginx on The server, after I

1. unlimited bandwidth and traffic restriction:That is, Mb is exclusive and the traffic is limited to GB. If the traffic exceeds 2000 GB, another traffic fee is required. 2. limited bandwidth, Unlimited Traffic:That is, 10 m exclusive bandwidth,

IsValidUser (* username, IsValidUser (* username, IsValid = # Inlcude -~/Desktop/code/lib_test$ -~/Desktop/code/lib_test$ ~/Desktop/code/lib_test$ # Include main (argc ,* -I `` -o main.o -~/Desktop/code/lib_test$ ~

The check_antp provided by nagios is too simple. In addition to the status statistics output, no parameters are provided. When faced with different application servers, alarm becomes a big problem.So I decided to write a check script myself. When

Crontab-e Join: The first task is executed at 12 o'clock every day. The second task is executed at every Sunday. Split line ------------------------------------------------------------------------------------------------------------

DHCP relay principle 1 When the dhcp client starts and initializes dhcp, it broadcasts the configuration request packets on the local network. 2. If the local network has a dhcp server, you can directly configure dhcp without the need for dhcp relay.

1. process representation Linux abstracts processes into tasks and defines a struct task_struct to indicate a task. For each process, in its lifecycle, there will be a corresponding task_struct process descriptor in the memory, saving the important

When 64-bit Crunchbang (A Debian GNU/Linux linux Linux) is installed on a virtual machine, there are many minor problems. Among them, the installation of vmware-tools is the first problem. When you use a terminal to install vmware-tools, press enter

I. Use the su command to temporarily switch user identities1. Conditions and power of su The su command is a tool for switching users. How can this problem be solved? For example, if we log on as a normal user beinan, but want to add a user task and

Exec function family 1) exec function family description The fork () function is used to create a sub-process. The sub-process almost copies all the content of the parent process. However, how can this newly created process be executed? The exec

Mkdir/mnt/cdrom/ Cd/etc/yum. repos. d/Mv CentOS-Base.repo CentOS-Base.repo.bakVi cdrom. repo[Name]Name = yumGpgcheck = 0Enabled = 1Baseurl = file: // mnt/cdrom/ Ls/etc/yum. repos. d/Cdrom. repo CentOS-Base.repo.bak CentOS-Media.repo Attach a

I. Introduction to CT Trusted CT is a software tool used in Unix systems for automated control and testing. It is made by DonLibes and is an extension of the Tcl scripting language. It is used in interactive software such as telnet, ftp, Passwd,

Many people want to optimize their own FreeBSD, especially in terms of network performance and kernel adjustment, because these are the most direct optimization methods. Here I have collected and sorted out the information and commented it out in

Today, I helped my friend debug the Linux server of the instant messaging virtual disk. Here I will write some experiences on using the super IP update. Log on to the Web management page of the Linux server and enter the super IP address. For

1. In the Grub boot program, a series of prompts are given below. If you are interested, you can try it out. Press the "e" key to enter the Grub configuration before the system starts. (If your system boot program is LILO, which is similar to Grub,