Calculating Maximum Connections for MySQL Server
Backup your my.cnf file
The my.cnf file is the MySQL configuration file that needs to be modified to optimize the performance of MySQL database servers. Make sure you always backup a copy of this very important configuration before changing it.
Determine the advisable value for max_connections
How high should we set max_connections? Well, it depends on how much memory (RAM)...
Thứ Năm, 27 tháng 3, 2014
Calculating Maximum Connections for MySQL Server
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Thứ Tư, 26 tháng 3, 2014
Delete IPTables Rules By Line Number
Delete IPTables Rules By Line Number
First off list all IPTable's rules by chain number:
iptables -vnL --line-numbers
Then delete the line you want:
iptables -D INPUT 22
This will delete chain line number ...
Thứ Hai, 24 tháng 3, 2014
Change MySQL Table Prefix Tools
Change MySQL Table Prefix Tools
Description
This script makes it possible for you to change table prefix for MySql databases.
Features
Add prefix to unprefixed tables
Rename/change prefix
Remove prefix
This is a quick modification of another script found at the below address.
http://www.nilpo.com/2009/01/web-development/mysql-table-prefix-changer-tool/.
Download
Change...
Find and Delete Duplicate Posts (Title) in WordPress
Find and Delete Duplicate Posts (Title) in WordPress
The first and fastest (in other words: simplest) thing to do is to
search for duplicate entries in the database. For example with the
following SQL query.
Find Duplicate Posts
SELECT a.ID, a.post_title, a.post_type, a.post_status
FROM wp_posts AS a
INNER JOIN (
SELECT post_title, MIN( id ) AS min_id
...
Thứ Bảy, 22 tháng 3, 2014
Backup and Restore a single table using mysqldump
Backup and Restore a single table using mysqldump
Backup a single table from a database
mysqldump -u -p database_one table_name1 table_name2 table_name3 > /var/www/backups/table_name.sql
Restore the table into another database
mysql -u -p database_two < /var/www/backups/table_name.sql
You can dump a query as csv like this:
SELECT * from myTableINTO OUTFILE '/tmp/querydump.csv'FIELDS TERMINATED BY ','ENCLOSED BY '"'LINES...
Thứ Sáu, 21 tháng 3, 2014
How to get $1/yr Exabytes Ebiz Power Hosting - Save 99%

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When you order, maybe you can get error :
"We are placing an automated call to your phone number now. This is part of our fraud checking measures. You will be given a 4 digit security...
Thứ Tư, 19 tháng 3, 2014
How to Create/Restore Backup In Kloxo
How to Create/Restore Backup In Kloxo
Backup/Restore
is a core part of Kloxo. You can take backup of your entire hosting and
you can trivially restore it exactly on another server. In a cluster
setup, you can take backup in one cluster configuration, and when
restoring, you can tell Kloxo to re-arrange the resources on different
servers.
Backup/Restore
is also an extremely important aspect of web-hosting, and delivers...
Chủ Nhật, 16 tháng 3, 2014
[Step by step]Create a MySQL Database, Username, Password, and Privileges from the command line
Create a MySQL Database, Username, Password, and Privileges from the command line
Step 1: Login to MySQL ( you will need an account )
user@server:~$ mysql -u mysql_user -p
Enter password:
Step 2: Create the Database
mysql > create database db_name;
Step 3: Verify that it’s there
mysql > show databases;
Step 4: Create the User
mysql > create user db_user;
Step 5: Grant privileges while assigning the password
mysql...
Thứ Sáu, 14 tháng 3, 2014
Fix Cpanel Email Disk Space Usage show incorrectly
Fix Cpanel Email Disk Space Usage show incorrectly
By default , In Cpanel Email Disk space usage is recalculated every four hours.
To update Email Disk space usage, try running /scripts/generate_maildirsize on the affected account. The syntax would be:
# /scripts/generate_maildirsize --confirm --allaccounts --verbose $USER
Replace $USER with the actual cPanel account username (the cPanel user, not the domai...
Thứ Tư, 12 tháng 3, 2014
Fix Kloxo awstats 500 internal server error
If you get a 500 error when accessing awstats, then the fix is to reset permissions, NOT by using the permission fix tool within the admin console, but you will need root access to fix this. So if your host uses kloxo and you are getting 500 errors then chances are you wont be able to fix it from a client account.
Run command below:
#cd /home/kloxo/httpd/awstats/wwwroot/ #chmod 755 cgi-bin...
Update PHP 5.3 for Kloxo
Update PHP 5.3 for Kloxo
You can follow the steps below to update your php version to 5.3 for Kloxo.
Install repository
Creat file /etc/yum.repos.d/ius.repo
[ius]name=IUS Community Packages for Enterprise Linux 5 - $basearchbaseurl=http://dl.iuscommunity.org/pub/ius/stable/Redhat/5/$basearchenabled=1gpgcheck=0
Creat file /etc/yum.repos.d/epel.repo
[epel]name=Extra Packages for Enterprise Linux 5 - $basearchbaseurl=http://download.fedoraproject.org/pub/epel/5/$basearchenabled=1gpgcheck=0exclude=nginx*...
Thứ Năm, 6 tháng 3, 2014
How to change Mysql data directory location?
How to change Mysql data directory location?
Mysql is most famous open source RDBMS (Relational database management system) software used by millions of websites.Most of website with very large Mysql database experience storage problem because /var partition is to small which holds Mysql data files and folder by default.If you are experiencing such a problem then you have to move your Mysql data directory to other linux partition...
Thứ Ba, 4 tháng 3, 2014
Mass convert a project to UTF-8 using Notepad++
Mass convert a project to UTF-8 using Notepad++
Lately, I had to convert the encoding of a multimodule maven project from our default Cp-1252 encoding to UTF-8.
The most dificult task however was converting all our source files from Cp-1252 to UTF-8 and preferably on Windows :) .
I’ve been looking into applications that would auto-convert...
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