понедельник, 22 апреля 2013 г.
MySQL Default to UTF-8 & MyISAM
mcedit /etc/mysql/my.cnf
[mysqld]
init_connect='SET collation_connection = utf8_general_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_general_ci
skip-character-set-client-handshake
default-storage-engine=MyISAM
Result is
mysql> show variables like "%character%";show variables like "%collation%";
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/share/mysql/charsets/ |
+--------------------------+----------------------------+
8 rows in set (0.00 sec)
+----------------------+-----------------+
| Variable_name | Value |
+----------------------+-----------------+
| collation_connection | utf8_unicode_ci |
| collation_database | utf8_unicode_ci |
| collation_server | utf8_unicode_ci |
+----------------------+-----------------+
HowTo: Find Out My Linux Distribution Name and Version
source : http://www.cyberciti.biz/faq/find-linux-distribution-name-version-number/
How do I find out what version of Linux distribution I'm using from the shell (bash) prompt?
To find out what version of Linux (distro) you are running, enter the following command at the shell prompt:
Sample output from my RHEL v5.x server:
To find out what version of Linux (distro) you are running, enter the following command at the shell prompt:
$ cat /etc/*-release
Sample output from my RHEL v5.x server:
Red Hat Enterprise Linux Server release 5 (Tikanga)Sample outputs from my Ubuntu Linux v7.10 server:
DISTRIB_ID=Ubuntu DISTRIB_RELEASE=7.10 DISTRIB_CODENAME=gutsy DISTRIB_DESCRIPTION="Ubuntu 7.10"
lsb_release Command
The lsb_release command displays certain LSB (Linux Standard Base) and distribution-specific information. Type the following command:
Sample outputs:
$ lsb_release -a
Sample outputs:
No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 6.0.1 (squeeze) Release: 6.0.1 Codename: squeeze
How Do I Find Out My Kernel Version?
Type the following command:
OR
Sample outputs:
$ uname -a
OR
$ uname -mrs
Sample outputs:
Linux 2.6.32-5-amd64 x86_64
Where,
- Linux - Kernel name
- 2.6.32-5-amd64 - Kernel version number
- x86_64 - Machine hardware name (64 bit)
Say hello to /proc/version
Type the following command to see kernel version and gcc version used to build the same:
Sample outputs:
$ cat /proc/version
Sample outputs:
Linux version 3.2.0-0.bpo.1-amd64 (Debian 3.2.4-1~bpo60+1) (ben@decadent.org.uk) (gcc
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