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First, SSH brute force hackThe use of professional crack program, with the password dictionary, login user name, try to log on the server, to crack the password, this method, although slow, but very effective.Second, violent cracking demo2.1. Basic Environment: 2 Linux hosts (CentOS 7 system), development Tools.Host ip:192.168.30.64 (server side), 192.168.30.64 (client + brute force hack "Hydra")Brute force hack on 30.63 30.642.2 Install cracked program Hydra on the client. Please go to the offi

3.14.3-1.fc18 updates 146 kTransaction summary================================================================================Install 1 Packages (+1 Dependent package)Total downloads: 4.3 MInstallation Size: + MAre you sure? [Y/n]:yAre you sure? [Y/n]:yDownload the package:NSS-SOFTOKN-FREEBL-3.14.3-1.FC FAILED kb/s | 301 KB 00:00:39 (www.111cn.net) ETAHttp://mirrors.ispros.com.bd/fed .... 3-1.FC18.I686.RPM: [Errno] Curl#22-"The requested URL returned

First, SSH brute force hackThe use of professional crack program, with the password dictionary, login user name, try to log on the server, to crack the password, this method, although slow, but very effective.Second, violent cracking demo2.1. Basic Environment: 2 Linux hosts (CentOS 7 system), development Tools.Host ip:192.168.30.64 (server side), 192.168.30.64 (client + brute force hack "Hydra")Brute force hack on 30.63 30.642.2 Install cracked program Hydra on the client. Please go to the offi

Tags: pmt serve fan back MySQL user $path issue log selDependency PackagesYum install numactl Libaio perl-time-hires per-devel-yDownload the corresponding system version downloadwget http://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.11-linux-glibc2.12-i686.tar.gzuninstalling the system comes with MySQLRpm-qa | grep MySQLIf the system has, delete: Rpm-e--nodeps mysql-libs-5.1.71-1.el6.x86_64the downloaded files are moved to the Linux server directory

/profileModify the configuration file to turn on the slow query log:[mysqld]slow_query_log=1 #After modifying, restart the MySQL service:/etc/init.d/mysqld restart3. Installation of the slow Query Visualizer 3.1 Percona tool IntroductionPercona Toolkit is an advanced set of command-line tools for managing MySQL and system tasks, mainly including:1：验证主节点和复制数据的一致性2：有效的度记录行进行归档3：找出重复的索引4：总结MySQL服务器5：从日志和tcpdump中分析查询6：问题发生时收集重要的系统信息3.2 Installing the PT tool (RPM mode)Installation dep

|+--------+-------------------------+| Zabbix | % || Root | 127.0.0.1 | | Root | :: 1 || Root | localhost | | Root | Promote.cache-dns.local |+--------+-------------------------+5 rows in Set (0.00 sec)Then we will visit http://192.168.58.149/index.php and we can see the success of the visit.Install Zabbix Server below and install the dependent packages first.[[emailprotected] ~]# yum install php-bcmath php-mbstring -

firewallsIP ACreate Zabbix UserGroupadd ZabbixUseradd-g Zabbix ZabbixCreate a Zabbix download path and enterMkdir/home/zabbix/downloadsCd/home/zabbix/downloadsInstalling the wget download toolYum Install Wget-yDownload Zabbix3.0gz Packagewget "Https://sourceforge.net/projects/zabbix/files/ZABBIX Latest development/3.0.0beta1/zabbix-3.0.0beta1.tar.gz "wget "Https://sourceforge.net/projects/zabbix/files/ZABBIX Latest development/3.0.0alpha2/ Zabbix-3.0

Raspberry Pi 2 install the latest version FPC and Lazarus 1.5 The Raspberry Pi2 launched in February 2015 does not support Lazarus installation using the previous method. When installing fpc, the following problems occur. Slave:1. Install subversion and unzipSudo Apt-get updateSudo Apt-get install subversion unizp2. Obtain and compile the latest FreePascal CompilerSudo mkdir/usr/local/fpcCd/usr/local/fpcSudo wget http://sourceforge.net/projects/freepascal/files/Linux/2.6.4/fpc-2.6.4.arm-linux.ta

:$ python-.Installing unzipYum install unzip -yDownload and unzip the storm release versionNext, you need to install the Storm release on the Nimbus and supervisor machines.1. To download the storm release, it is recommended to use Storm0.8.1:Https2. Unzip to the installation directory:Storm-..Modifying the Storm.yaml configuration fileThe storm release version has a file under the Extract directory conf/storm.yaml that is used to configure Storm. The

Installing LIB LibrariesYum install zlib-devel libxml2-devel libjpeg-turbo-devel freetype-devel libpng-devel gd-devel-yDownload Libiconv Packagewget Http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gztar XF LIBICONV-1.14.TAR.GZCD libconv-1.14./configure --prefix=/usr/local/libiconvmakemake InstallSet Epel sourceWget-o/etc/yum.repos.d/epel.repoInstall the Libmcrypt library, install the encryption extension Library Mhash, install the MCrypt extensi

dependency:Nss-softokn-freebl i686 3.14.3-1. flisted updates 146 k Transaction Summary========================================================== ==========================================================Install package 1 (+ 1 Dependent package) Total downloads: 4.3 MBInstallation size: 15 MBAre you sure you want? [Y/N]: yAre you sure you want? [Y/N]: yDownload the software package:Nss-softokn-freebl-3.14.3-1.fc FAILED 105 kB/s | 301 kB 00:00:39 ETAHt

Install the underlying compilation environmentYum Install wget gcc make-yDownload the source package on the Python websitewget HTTPS://WWW.PYTHON.ORG/FTP/PYTHON/3.6.2/PYTHON-3.6.2.TAR.XZUnpack, unzipxz-d PYTHON-3.6.2.TAR.XZTAR-XVF Python-3.6.2.tarInstall environment Dependent packagesYum install zlib-devel readline-devel ncurses-devel sqlite-devel gdbm-devel xz-devel tk-devel openssl-devel-yCompileCD Python-3.6.2./configure--prefix=/usr/local/python3.

It is not possible to install httpd2.4 directly using the RPM package on CentOS6 because httpd2.4 depends on:Version apr-1.4 and aboveVersion apr-util-1.4 and aboveWhile directly upgrading APR and Apr-util will overwrite the direct version of the program, affecting the dependencies of other programs, it is common to install APR and Apr-util in a compiled installation, and then compile and install httpd2.4.The steps are as follows:1. Prepare the installation environment and source package[[Email

Tomcat uses memcached for session sharingSystem environment:Centos6.5 x86_64Use of two Tomcat instances on the same serverInstalling jdk1.7Installing tomcat8.0.27Installing memcachedYum install yum install java-1.7.0-openjdk.x86_64 java-1.7.0-openjdk-devel.x86_64 memcached-yDownload and install Tomcat8wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.0.27/bin/apache-tomcat-8.0.27.tar.gz Installation: Tar zxvf Apache-tomcat-8.0.27.tar.gzcp-r Ap

, providing16TBstorage space and these disks are supported byRaidmechanism to get a better read/write performance. 1. Install the disk test toolFio is a common disk IOPS test Tools. First install the Fioin Centos:Yum Install gcc Libaio-devel–yDownload Fio and install:Wgethttp://brick.kernel.dk/snaps/fio-2.1.6.1.tar.gzTAR-ZXVF fio-2.1.6.1.tar.gzCD fio-2.1.6.1make make Install2. View Current disk informationFdisk-lYou can see the current system disk an

First, SSH brute force hackThe use of professional crack program, with the password dictionary, login user name, try to log on the server, to crack the password, this method, although slow, but very effective.Second, violent cracking demo2.1. Basic Environment: 2 Linux hosts (CentOS 7 system), development Tools.Host ip:192.168.30.64 (server side), 192.168.30.63 (client + brute force hack "Hydra")Brute force hack on 30.63 30.642.2 Install cracked program Hydra on the client. Please go to the offi

Build A/C + + compilation environment: sudo apt-get install build-essentialInstall the correlation library: sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev python-dev py Thon-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev-yDownload good Linux source to the official website and pull to ubuntu14.04 virtual machine to unzip and enter the OpenCV directory, sw

Warehouse size=====================================================================================Installation in progress:ntfs-3g x86_64 2:2015.3.14-2.el6 Epel 263 k Transaction overview=====================================================================================Install 1 Package (s) Total Downloads: 263 kInstalled size:749 KAre you sure. [Y/n]:yDownload Packages:ntfs-3g-2015.3.14-2.el6.x86_64.rpm | 263 KB 00:00Run Rpm_check_debugPerformi

created by user ', master_password= ' password ', master_log_file= ' Mysql-bin.000003 ', master_log_pos=73; #连接主库Stop slave; #停止同步Start slave; #开始同步Reset slave; #删除master. info and Relay-log.info files;Stop?slave; #停止同步change?master?to?master_heartbeat_period?=?10; #设置发送心跳包间隔set?global?slave_net_timeout?=?25;? #设置无数据网络超时检测间隔Start?slave;? #开启复制Show?status?like? ' Slave% '; #显示从库心跳状态Show slave Status\g #查看从库连接状态Show slave status\g view seconds_behind_master parameter The greater the delay the mor

command .Delete the my.cnf under the ETC directoryRM /ETC/MY.CNFTwo mounting mysql5.6Install the necessary componentsYum Install GCC gcc-c++ libaio libaio-devel BZR Bison libtool ncurses5-devel-yDownload and unzip the MySQL softwarecd/usr/local/wget -C http://mirrors.sohu.com/mysql/mysql-5.6/ mysql-5.6.35-linux-glibc2.5-x86_64.tar.gztar zxvf mysql-5.6. -LINUX-GLIBC2. 5-x86_64. Tar . GZ MV mysql-5.6. -LINUX-GLIBC2. 5-x86_64 MySQLExecute the followin