Linux

Sysctl is an interface that allows you to change the Linux system you are running. It contains advanced options for TCP/IP stacks and virtual memory systems, which allows experienced administrators to improve compelling system performance. Sysctl

Windows Apache does load balancing The first time I saw this headline I was surprised that Apache can still do load balancing? It's so powerful. After a survey found that it can, and the function is not bad. This is thanks to the Mod_proxy module.

RM is a commonly used command that deletes one or more files or directories in a directory, and it can delete a directory and all the files and subdirectories under it.1 command format: RM [Options] File ...2 Command function:deletes one or more

This tutorial hesitated for a long time, mainly because as a webmaster, rstudio such data analysis software seems to be useless. Even so, as a tool to enhance the force lattice, the micro-demon still can't help but want to send out. To Rstudio a

SOCKS5 is a proxy protocol that simulates the behavior of a front-end by forwarding a request from the front-end to a real target server. Here, the front-end and SOCKS5 also communicate through the TCP/IP protocol, the front-end to send the original

The default Linux server file descriptor, and so on, opens up to 1024, with ulimit-a view:[Viewuser@~]$ ulimit-aCore file size (blocks,-c) 0 #coredump files SizeData seg Size (Kbytes,-D) UnlimitedScheduling Priority (-e) 0File size (blocks,-f)

Run multiple domain-based Web sites on an IP address.Your server has an IP address, and there are many mappings (cnames) to this machine in DNS. You and you want to run the www.example1.com and www.example2.org two sites on this machine.

We will certainly need to reboot the system when we operate the Linux vps/server, or shut down the system and other operations. Some users are directly to the VPS host business panel operation, which makes it more troublesome, and some panels are

This tutorial is in accordance with the original Howtoforge.com website translation, if not successful, you can refer to the original. Not long ago Fedora 21 released, the version has three, which has a server version, the original hint is the

Method One, Sometimes need to login ssh, each need to enter a password, will be more cumbersome. So set up to use RSA public key authentication way to log on to Linux. First you need to set up/etc/ssh/sshd_config on the server side #

Enterprise intranet often have such a demand, For example, the IP address of the Business Server is 192.168.6.25, we are accustomed to visit this address, Yun-dimensional is also very kind of a domain name resolution to this IP address, so that we

Remote Login method has telnet and ssh two way, because Telnet uses the clear text transmission, the transmission process System account password and so on important information is easy to intercept, the security is inferior to SSH (secure shell),

Cacti is a set of graphical analysis tools for network traffic monitoring based on PHP, MySQL, SNMP and RRDtool. If you want to use CACTI to monitor the Linux server's network card traffic, you need to install Net-snmp-utils-related packages on the

SecureCRT Open Sftp method is very simple, directly in the interface at the same time "alt+p" can open the interface, of course, the command line, there is no interface, similar to the following. Before you open the interface, it's a good idea

Unix has been a 35-year history. Many people think it began in the Middle Ages, the Middle Ages is relative to the generation and development of computer technology. Over the past time, UNIX and its sub-branches of Linux have collected many

Enable the ftp service in centos, and enable the ftp service in centos If you need to install the ftp service to access linux through ftp, vsftpd is a better FTP server in Linux. 1. Check and install vsftp 1 // check whether vsftpd 2 rpm-qa is

Google OS laptop may be available in a year.Google OS laptop may be available in a year. Google is about to merge Chrome OS with Android. We don't know how many times we 've heard of it. Earlier today, Android Police revealed the schedule of

Linux kvm installation and snapshot management, and linux kvm snapshot Management I. Check the installation and status of kvm 1. Install softwareYum-y install kvm virt-manager libvirt2. An error is reported when libmongod is started. Update

Share a MySQL database shard backup script (original) and a mysql database shard backup script Share a MySQL database shard backup script (original) Development ideas: 1. path: Specify the backup location and define the path (first determine whether