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How to improve the efficiency of text search in CentOS system? For system administrators or programmers, grep-type tools are probably the most popular when you need to search for specific text or patterns in a complex configuration directory or

File Transfer Protocol (Transfer Protocol) is a traditional network protocol, the main function is to implement the server and the client between the file sent, FTP in the TCP package mode for the server and client connection, when the connection is

In the process of setting up a wireless AP or wireless router, users will encounter a lot of parameters, if only to complete the general settings, to meet the general needs of the Internet, there are some parameters do not need in-depth

2nd chapter, using User Space command iptables implement packet filtering 2.1 Related knowledge of TCP/IP 2.1.1 Establish a TCP connection (implemented with 3 handshake) If server A and client B communicate. (1) b->; A. When b wants to communicate

1. Introduction to DHCP Service DHCP is Dynamic host Configuration Protocol, which is a way to assign IP addresses to hosts in a physical network, distinguishing them from BOOTP, and assigning a lifetime use disadvantage. The concept of a

DoS (Denial of service denial-of-service) and DDoS (distributed denial of service distributed Denial-of-service) attacks are one of the security threats to large Web sites and network servers. The attacks on Yahoo, Amazon and CNN in February 2000

Note: Tcpdump needs to log in with the root account First, the application scenario 1 The packet sent by the client, after the server was untied, found the packet wrong? [Root@ied_224_42_sles10_64]~>tcpdump-i eth1 Port 8029-x Tcpdump:verbose

Some days ago in Baidu Webmaster Club to see a webmaster's post, said the site three times by K, the first time is the garbage chain is too ruthless, the second is the accumulation of keywords, the third is the whole station collection, no original.

(based on Redis 2.6) Base section Settings: Daemonize No #默认情况下redis is not running in the daemon mode. Pidfile/var/run/redis.pid #在守护进程模式下, the location where the PID process number file path is stored Port 6379 #监听的端口号, set to 0, Redis will

The denial of service skills has been fundamentally settled, and the creation of the decade at the end of the last century has been gradually remote. However, with the growing strength of broadband access, automation and today's household accounting