Linux

Temporarily modify IP address, gateway, host name, DNS, immediately effective, no reboot (failure after reboot) 1. Modify Host Name The code is as follows: #hostname Slyar 2. Modify IP address (eth0 is the name of the network

System parameters: [Root@hk tmp]# Uname-mx86_64[Root@hk tmp]# Cat/etc/redhat-releaseCentOS Release 6.6 (Final) Tuning Parameters: [Root@hk/]# tail-20/etc/sysctl.confNet.ipv4.tcp_fin_timeout = 2Net.ipv4.tcp_tw_reuse = 1Net.ipv4.tcp_tw_recycle =

Linux static routing is very important when the dual network card, and sometimes you will find that you set up after the network directly, or did not follow the plan to walk the packet, all the routing part still need to do a good work Adding

The current network often encounters all rows that match to a keyword and merge to the same line, again matching to the relevant keywords and the following merge, examples are as follows: # line1AB# line2CDE# Line3FWant to become: # line1 A B#

Uninstall Linux: The first step: Download the Diskgenius software (http://www.skycn.com/soft/3506.html). The second step: decompression Diskgenius software, this software is green installation-free, so directly into the decompression file click

Most file I/O in a Linux system uses only 5 functions: Open,read,write,lseek and close. The functions covered in this topic are called I/O with no buffering, and without buffering, read or read are implemented through a system call to the kernel,

have been more like Ubuntu, but also suddenly found a long time did not toss Ubuntu, haha, a long time does not engage, preface, technology, this dongdong, still need to constantly toss. In fact, used to do stress testing, AB use more, and then in

1, SSH Landing server2, yum installation vsftpd installation command: Yum install vsftpd3, modify configuration, increase start-up Modify configuration: vi/etc/vsftpd/vsftpd.conf to set the Anonymous_enable=yes value to no, increase boot startup,

20 Linux Command interview questions and answers below:Q: 1 How do I see the running level of the current Linux server? A: The ' who-r ' and ' runlevel ' commands can be used to view the running level of the current Linux server. 　　 Q: 2 How to view

Cut by size, 100M per cut Split-b 100m filename Cut by line number, cut every 100w line, and bring forward prefix split-l10000000 Pc.txt I_ Merging: Cat x* > Pc.txt Split: Cutting Files Syntax: Split [--help][--version][-b ][-c ][-l ][files to be

Installing the memcached service side Memcached relies on libevent, which requires libevent to be installed first. Install Libevent # tar ZXVF libevent-2.0.21-stable.tar.gz # cd libevent-2.0.21-stable #./configure--prefix=/usr/local/ Libevent # make

Often with the VPS students, when buying a VPS usually use these commands, now the cloud VPS are mostly two hard drives, a data disk, a system disk. Data disk in the VPS initialization when the default is not formatted and mounted, I found a way

Many of the use of Ali server friends, after the installation play configuration system, will involve the domain name 301 redirection settings, but in view of the different use of the system, set the domain name 301 Redirect method is not the same,

Linux rsync sync settings Rsync is a data mirroring backup tool that keeps data synchronized between two servers, and the most frequently used scenario is backing up the data.The installation method is as follows: Installation Installing rsync

I. Installation of CMake The code is as follows Copy Code # if it's pure system to do the following some preparation# Debian SystemApt-get-y Install GCC Libxml2-dev Curl screenLibpng12-dev autoconf Libpcre3-dev make CMake

crontab Introduction The crontab command is common in UNIX and unix-based operating systems, and is used to set periodically executed instructions. This command reads the instruction from the standard input device and stores it in a "crontab" file

The root password reset of the Fedora 18 systemThe first step: Press "E" key to enter the next figure. Step Two: Method 1: In front of RHGB quiet, add single and a space.Method 2: In front of RHGB quiet, add 1, but note that there is a space before

1. RequirementsBuild Mysql+php+nginx Environment2 processDivided into 5 steps, disk partition, install VSFTPD, install Nginx, install PHP-FPM, install MySQL3. Disk PartitioningHttp://www.cnblogs.com/dudu/archive/2012/12/07/aliyun-linux-fdisk.html4.

Usage: LS [option] ... [File] ...Lists the FILE information (default is the current directory).If you do not specify the-cftuvsux or--sort option, sort by letter size.The long option must use parameters that are also required for short

1. Install the GPM service and view the GPM information[[email protected] ~]# yum -y install gpm[[email protected] ~]#  yum info gpmloaded plugins: product-id, security, subscription-managerthis