host email

Hostnamectl-h-H--help Display Help--version Displays the version of the installation package--transient Modifying the temporary host name--static Modifying a static host name--pretty Modifying a flexible host name-P--privileged privileges obtained

Today's newly built LNMP environment, install WordPress Blog to do testing, installation to fill in the database information, has been error database connection errors, re-create the library, re-authorized users, all prompt the same error, and later

Synchronization script, in the 5th step to splice the host name of your own configuration1#!/bin/Bash2#1gets the number of input parameters, if there are no parameters, exit directly3Pcount=$#4 if((pcount==0)); Then5 echo no args;6 exit;7 fi8 9#2Get

The Linux virtual Server (LVS) project provides the most common load balancing software on the Linux operating system.Cluster definition :Cluster (cluster) technology is a relatively new technology, through clustering technology, can be paid at a

Function Description: Execute commands on multiple servers in bulk1 #!/bin/bash2 3 # ==========================================4 #function: Execute commands on multiple servers in bulk5 #method:./batch_cmd_manager.sh 6 #return: List of results

Redis unauthorized access to bounce shellTarget Host: 10.104.11.178Attack aircraft: KaliAttack steps:1. Connect to the target host[Email protected]:~#/usr/redis/redis-cli-h 10.104.11.1782.kali Host for monitoringNc-l-V- p 99993. Write Bounce Shell

Here is a simple local lamp structure, MySQL is used to store the logs sent by the Rsyslog service, PHP is used to run the Loganalyzer program.Loganalyzer is a PHP application used to display logs stored in

MySQL create user and give user permissionMethods commonly used by operations personnel:Mysql> Grant all on xiaohu.* to ' [e-mail protected] ' identified by ' 123.com ';Library. TableQuery OK, 0 rows affected (0.01 sec)Grant syntaxGrant all

MySQL installation directory database directory/var/lib/mysql/configuration file/usr/share/MySQL (mysql.server command and configuration file) related commands/usr/bin (mysqladmin mysqldump, etc command) startup script/etc/init.d/MySQL (startup

Users in MySQL have different user addresses and permissions for each userThere are three ways to create a MySQL user 1, create user 2, Grant 3, Operation Mysql.user table1, CREATE USER ' username ' @ ' host ' identified by ' password ';Example:

MySQL installation directoryDatabase directory/var/lib/mysql/Configuration file/usr/share/mysql (mysql.server command and configuration file)Related commands/usr/bin (Mysqladmin mysqldump and other commands)Startup scripts/etc/init.d/mysql (startup

Inside the virtual machine is a master-slave:But IO is not ready to communicate with the dump on the main library.Slave_io_running:noLast_io_error:error connecting to master ' [email protected]:3306 '-Retry-time:5 retries:86400Two host pings are

############### #SMB文件共享 ###############The Internet File System (CIFS) also becomes a server that is used by microsftwindows servers and clients to share system Information blocks (SMB) with standard files and printersSamba services can be used to

Bridge network card Selection on window with Ipconfig/allcentos under VMware Bridge mode, static IP sisu Network15, wrote a blog: VMware network settings Bridged is also about Linux under the VMware Bridge mode, static IP sisu network configuration,

Linux server hosts are not enough, and testers need a new Oracle environment for testing, so they are ready to build a second instance on an existing Oracle Linux host. The Oracle server's resources are sufficient, so you can build multiple

Network 1: The physical machine is connected to the virtual machine. Host-only for managing the network. DHCP offNetwork 2:openvswitch occupy the Internet. Host-only.Network 3: Data communication network. Host-only. Refers to large-scale data that

[Email protected] ~]# Mkdir/tmp/rsync[Email protected] ~]# chmod 777/tmp/rsyncA second machine[Email protected] ~]# Rsync-avp/tmp/lizhipeng.txt 192.168.5.128::test/lizhipeng0129.txtrsync:failed to connect to 192.168.5.128 (192.168.5.128): No route

1. Jenkins Master key Generation:[Email protected]:~$ ssh-keygen-t RSAGenerating public/private RSA key pair.Enter file in which to save the key (/HOME/UBUNTU/.SSH/ID_RSA):Created directory '/home/ubuntu/.ssh '.Enter passphrase (empty for no

[Email protected] database]$./runinstallerStarting Oracle Universal Installer ...Checking Temp space:must be greater than MB. Actual 38232 MB PassedChecking swap space:must be greater than MB. Actual 3999 MB PassedChecking Monitor:must is configured

1. Hardware knowledge1.1 nic? RoleModulation or reception of different signals via network card, modulation and demodulation of the number of corresponding signals in unit time? Type10M, 100M, 1000M100Mbps equal to 100M bit per second1.2 Network