Python monitors whether the host is alive and sends an alarm via email. python monitors the host for alive
Python is used to write a simple script to test whether the host is alive. This script is not suitable for online use, because network delay and packet loss may cause false positives, in the future, an alert email will be sent after the ping command fails th
PHP phpmailer sends an email and cannot connect to the host because the fsockopen function is disabled. phpmailer sends an email based on this function.
Modify:
Class. stmp. php
Solution:
1:
Row 3:
$ This-> smtp_conn = fsockopen ($ host, // the host of the server
Changed:
$ This-> smtp_conn = pfsockopen ($ host
Tags: Creating an instance Error host nameThere is a phenomenon, after DB2 installation, using DB2ICRT to create an instance, the host name is not valid, prompting the following:[plain] view plain copy
[Email protected] instance]#/db2icrt-u db2inst1 db2inst1
The host name "Centos-0.msdomain" is invalid. Specify a valid
When the underlying operating system of the ESXi host is installed on the SD card, when the host is configured in Vcenter, if the ESXi host has an error "not configuring system logging on the host XXX.XXX.XXX.XXX" or "the system log on the host is stored in non-persistent st
From the virtual host business, perhaps Hawkhost Eagle host is not considered to be the most outstanding business in our eyes, but from this black Friday activities, as well as such a cost-effective and business reputation for our general user blogs, personal sites, as well as the storage of corporate sites is more reliable. Before the old left also has released their home promotion information, see some no
Put a remote IP can SSH server, but error:Connection closed by foreign host.Disconnected from remote host ...Workaround:
Firewall firewall to put through IP.
/etc/ssh/sshd_config file modification, run the root user password login, and then restart the sshd service.
/etc/hosts.allow and/etc/hosts.deny files are modified to allow the corresponding host to access, and then restart the sshd service
BlueHostis the domestic user to choose moreUS hostOne, especially by foreign trade customers favor. In the domestic access speed is excellent, the host all aspects of stable operation. With a unique advantage in the global IDC mainframe market influence is undoubtedly, with a distinctive style deep into the Chinese market. Along the way, BlueHost in the technical pursuit of continuous innovation, in the service to improve the pre-sales, after-sales su
Tags: http OS ar Div SP art on C efHost and Virtual Machine Ping, but the host cannot access the virtual machine service solution 1. the local machine can ping the Virtual Machine 2. the virtual machine can also ping the local machine. 3. virtual machines can access their own web 4. the local machine could not access the web of the Virtual Machine and later found that the firewall blocked port 80. Check whether port 80 of the server is blocked by the
MySQL Study -- Mysql startup failure "mysql. host", -- mysqlmysql. hostMySQL Study-Mysql startup failure "mysql. host"
System Environment:
Operating System: RedHat EL55
DB Soft: Mysql 5.6.4-m7
After mysql is installed through the source code package, an error occurs when mysqld is started:
[Root @ rh55 mysql] # bin/mysqld_safe
[1] 15846
[Root @ rh55 mysql] #150610 17:04:36 mysqld_safe Logging to '/usr/loc
The host SHUTDOWN experiment fails to be shut down normally due to host commands.
SHUTDOWN has the following parameters:
SHUTDOWN NORMAL: NORMAL is also the default clause, and the execution condition is
No new connections are allowed after the statement is issued.
Before the database is shut down, the database waits for all currently connectedusers to disconnect from the database.
No instance recovery proc
Php sets the Apache Virtual Host vhost and the apache Virtual Host vhost
Address: http://blog.csdn.net/oneym/article/details/48050487Author: oneymI. Environment Description
1. Use XAMPP in php Environment2. win7_64-bit System3. Install XAMPP in the C root directory2. Modify related files 1. register the Host Header IN THE SYSTEM
Use the text editing tool to edit
Apache Virtual Host and alias configuration, apache Virtual Host aliasAdd a listening port to the Apache VM configuration (modify the conf/httpd. conf file)
Listen 127.0.0.1:8092Modify the master site permissions (modify the conf/httpd. conf file)
Allow virtual host configuration (modify the conf/httpd. conf file)
# Virtual hostsInclude conf/extra/httpd-vhosts.co
What should I do if I can only access the Home Page After configuring a virtual host in Linux ?, Linux virtual host
What should I do if I can only access the Home Page After configuring a virtual host in Linux?
After lamp is configured today, a virtual host is added to configure http. after conf, add a VM. Test the acc
8. mysql dual-host Master/Slave, mysql dual-host
In this era of data explosion, data backup is the most important thing for every company. As a data storage warehouse, the importance of database is self-evident. Major databases include: 1. Large database oracle 2. Medium SQL server 3. Small database mysql. It can be said that each has its own advantages, and I will not go into details here.
Mysql dual-
In the Visual Studio environment file. The description of this program in msdn is:
It is referenced from msdn below:
§ Improved debugging Performance
The host process creates an application domain and associates the debugger with the application. Executing these tasks causes a significant delay between the start of debugging and the start of running the application. By creating application domains and associated debuggers in the background, and saving
First, the virtual machine's network connection is set to "Host-only":Then see the VMnet1 IP address in the cmd window, this is 192.168.254.1Next set up the network card address in Linux, and VMnet1 a network segment, here is set 192.168.254.100At this point, however, the cmd window pings the virtual machine NIC address that was just set up:===The workaround is to:1. First close the host's firewall (in Control Panel)2. Shut down the virtual machine's
Host and Virtual Machine PING, but the host cannot access the virtual machine service solution 1. the local machine can ping the Virtual Machine 2. the virtual machine can also ping the local machine. 3. virtual machines can access their own web 4. the local machine could not access the web of the Virtual Machine and later found that the firewall blocked port 80. Check whether port 80 of the server is block
address.When you troubleshoot this problem, you find:1.202.106.199.37 is not a producer, the IP address set on the consumer server, an inexplicable run-out IP address2. Zookeeper configuration is 3. In the Dubboadmin Management console, found that producers, consumers have, is the producer side of the prompt no consumer.4. The production environment has a VPN, the test environment also has a VPN, test environment no matter, in the production environment but problems, so the problem of troublesh
Linux host monitoring information display, linux host monitoringStorage information display:Overall space and free space display[Root @ ora11g64 ~] # Df-hFile System capacity used available % mount point/Dev/mapper/VolGroup00-LogVol0037G 15G 20G 43%//Dev/sda1 99 M 23 M 71 M 25%/bootTmpfs 3.0G 0 3.0G 0%/dev/shmDisk Information Display (name/size/usage)[Root @ ora11g64 ~] # Fdisk-lDisk/dev/sda: 42.9 GB, 42949
Apache: configure the virtual host and apache Virtual Host
# In httpd. conf enable Virtual hosts Include conf/extra/httpd-vhosts.conf # then configure in the httpd-vhosts.conf # match by ip #
# Configure the host file in window
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