Mao Mao Dou Dou

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  • mysql in linux

    ####init.d
    /etc/init.d/mysql start/stop/status

    ####service
    service mysql start/stop/status

    ####log
    /var/log/mysql.log
    /var/log/mysql.err

  • Git Proxy

    create gitconfig:
    user> git config –global user.name “jayceee”
    user> git config –global user.email jicheng17@gmail.com
    user> git config –global -e

    edit gitconfig to add in:
    [http]
    proxy = http://mydomain\\myusername:mypassword@myproxyserver:8080

  • ssh not work in linux

     

    try to start ssh
    /etc/init.d/sshd restart

    /etc/init.d/sshd status

    Check log:
    sudo /usr/sbin/sshd -d

  • How to set statis ip in linux – redhat, centos

    #### define eth0 interface
    ##### vi /etc/sysconfig/network-scripts/ifcfg-eth0

    DEVICE=eth0
    NM_CONTROLLED=no
    ONBOOT=yes
    HWADDR=00:50:56:37:F1:04
    TYPE=Ethernet
    BOOTPROTO=static
    IPADDR=192.168.1.8
    NETMASK=255.255.255.0

    NETWORKING=yes
    HOSTNAME=web.example.com
    GATEWAY=192.168.1.1

    nameserver 192.168.1.1
    nameserver 8.8.8.8 # Google’s DNS server

  • md5sum to verify files

    Calculate / Compute md5sum

    Calculate or compute md5sum for the input file.

    $ md5sum samplefile.txt
    3b85ec9ab2984b91070128be6aae25eb samplefile.txt

  • Sample Yii project

    yii and project folder in the webapp

    #####setup db
    config/main.php
    data/*.sql

  • create a symbol link in your webapp folder

    You don’t have to copy your project files into webapp everytime after make changes.

    Just do this:
    ln -s ~/projects/fishfamily /var/www/

    then you will see in /var/www/:
    lrwxrwxrwx 1 root root 32 Apr 12 01:33 fishfamily -> /home/jaycee/projects/fishfamily

  • how setup and test LAMP on ubuntu

    ####To install the default LAMP stack in Ubuntu 10.04 and above

    First install tasksel…

    $ sudo apt-get install tasksel

    … and then the LAMP stack:

    $ sudo tasksel install lamp-server

    ####Test the installation
    The webapp folder is located /var/www

    $sudo vi /var/www/info.php

    create:

    restart apache2 ,

    sudo /etc/init.d/apache2 restart

    Open browser: http://localhost/info.php

    ####log
    /var/log/apache2 logs

    ####install phpMyAdmin
    sudo apt-get install phpmyadmin

    test it out:
    http://localhost/phpmyadmin

  • How to setup your centOS in dual boot environment with windows7

    ####configuration
    Just bought my new CPU with:
    I5
    16G ram
    1TB hard disk.

    But somehow the fan makes huge noise, trying to figure it out…. It is the case problem, changed to cooler master. Cooler master is quite nice.

    ####Install dual system – windows and linux ( CentOS 6.5 )
    Download centOS 6.5 from centOs Website

    Install centOS from ubs drive since I don’t have a cd-rom
    create ubs bootloader.
    Download UNetbootin http://unetbootin.sourceforge.net/
    Follow the instruction and create ubs installer.

    or mac
    DiskUtility unmount the usb, then
    dd if=CentOS-6.5-x86_64-bin-DVD1.iso of=/dev/disk3s1

    On windows, you need to partition resizing. In windows disk management tool, shrink free space for you linux installation, don’t format the space.

    In the end, this task failed. The reason is the new bios – UEFI. Centos or ubuntu does not work on UEFI/EFI.

    ####What to do next?
    change bios setting
    -disable secure boot
    After struggling for a week, installed ubuntu on the cpu.

    ####Ubuntu 12.0.4 is a delightful linux system
    ubuntu software center – easily download software
    apt-get intall – easily install pkg
    better gui
    deluge bitorrent – a good bt client

    #### vm workstation
    installed vm workstation on ubuntu
    create windows 7 virtual machine, and finally I got my windows and ubuntu running
    somemore, I create centos vm and finally I got my centos running. 🙂

  • REST Web Service

    JAX-RS