Linux

Capturing the SQL statements executed by MySQL Tcpdump-i eth1-s 0-l-w-dst Port 3306 | Strings Network pack to crawl MySQL traffic (Cap opens with Wireshark) Tcpdump-n-nn-tttt-i eth0-s 65535 ' Port 3306 '-W 20160505mysql.cap Various methods of

Edit configuration file:/etc/exportsTo add a file authorization list:/home/www.111cn.net/data/127.0.0.1 (rw,no_root_squash,sync,anonuid=1525,anongid=1525) To start a service-side service:NFS ServicesService NFS Restart"If the service command is not

Today, Chiang has the presence of "Easy_install command not found" during the deployment of a software in a server environment to the company. Please check it and try again. " The error prompts the problem. This kind of question seems to remember to

When the Linux system adds users to groups (group), use the gpasswd-a or USERMOD-AG commands. Several ways to add users to a group When creating a user, there are several ways to add users to a specified group. The code is as follows

The problem is the following "Linode through the cloning of the server system and data and retain the IP address " in the migration room data, before I also remember to play the migration data to different rooms, also did not appear such a problem.

First, add a single IP address: New file in/etc/sysconfig/network-scripts/ifcfg-eth0:*,* is number ordinal, multiple IP is increasing in sequenceTake 0 As an example to create a file ifcfg-eth0:0cd/etc/sysconfig/network-scripts/VI ifcfg-eth0:0Enter

First, symptoms sudo command execution is slow, for example: sudo-u root ls-l/tmp, running after a very long time to run the results of the instructions Ii. Solutions Generally because there is no corresponding "host name IP address" in

Ready to Yum a lamp environment, found that Yum version of MySQL is still a 5.1.x version, so ready to replace as MARIADB. Configuration Source: [Root@localhost ~]# Cat/etc/yum.repos.d/mariadb.repo# MARIADB 10.0 CentOS repository list-created 2013-

For the first time playing Docker, the system did not allocate/var partition, and more than 500 g of the remaining space is divided to the/home. When playing Docker, only to find this goods default storage location is in/var/lib/docker. There are

Install ImageMagick # yum Install ImageMagick imagemagick-devel # convert-version Version:imagemagick-6.2.8 05/07/12 file: /usr/share/imagemagick-6.2.8/doc/index.html copyright:copyright (C) 1999-2006 ImageMagick Studio LLC You can also install

1. Add disk to view disk status The code is as follows Copy Code [ROOT@DB1/]# Fdisk-l disk/dev/sda:10.7 GB, 10737418240 bytes 255 heads, Sectors/track, 1305 cylinders Units = Cylinders of 16065 * 8225280 bytes Device

Linux network Interface configuration file [/etc/sysconfig/network-scripts/ifcfg-eth0] here "0" is a unique number corresponding to a specified interface. The code is as follows Copy Code Type=ethernet #网卡协议类型Device=eth0 #

1. Installation software The code is as follows Copy Code [Root@bogon ~]# Yum Install subversion-y 2, the establishment of version library directory The code is as follows Copy Code

View the number of httpd processes (that is, the number of concurrent requests that Apache can handle in prefork mode): Linux command: The code is as follows Copy Code Ps-ef | grep httpd | Wc-l Return results

Under Linux, use FDISK to partition the hard disk: first delete the original partition, and then create a new partition 1) Delete partition The code is as follows Copy Code [Root@standby root]# FDISK/DEV/SDC The number

Linux uses commands to get things done. The code is as follows Copy Code /etc/init.d/iptables Stop shutdown Firewall/sbin/iptables-i input-p TCP--dport 80-j ACCEPT/etc/rc.d/init.d/iptables Save/etc/init.d/iptables

Linux under the VI Editor is the standard common editor, basically can be qualified under the various conditions of Linux. Since Linux operates on a command-line basis, we need to know how to use the VI editor under Linux. VI Editor's concept VI

Recently found that a lot of kernel optimization parameters can not remember, write down the article to keep in mind, easy to view later. Edit the/etc/sysctl.conf file and add the following: (with comments)#最大的待发送TCP数据缓冲区空间net.inet.tcp.sendspace=655

Recently, in order to facilitate the management of the program, in the server installation Svnserver, scheduled to update the version regularly! Windows Server 2008 used by the server environment the Linux for my client uses commands to operate on

There are five Linux restart commands:1. shutdown2. poweroff3. init4. reboot5. haltThe following describes the usage of various commands:ShutdownRebootIn linux, some common shutdown/restart commands include shutdown, halt, reboot, and init, which