yum

After installing CentOS x86_64 Bit VPS, You need to install the following RPMs for yum install so that yum updates are available.

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go to Below link http
<< mirror.centos.org/centos-5/5.3/os/x86_64/CentOS/  >>

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Windows initial setup

 There is no special need to do with windows after win server installetion
just run the win update  :--
----------------------------------------------From start >>> programs >> update


also install security check from here 

http://www.microsoft.com/downloads/details.aspx?FamilyID=F32921AF-9DBE-4DCE-889E-ECF997EB18E9&displaylang=en#filelist
check this URL and install security analyzer

Question :: There are 8 files to download in the link which one i should prefer
Answer  ::You need to install EN version

depend on windows type 32 bit OR 64 bit



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Whm Remote access key

*// How to set up WHM Remote Access Key for RVSkin?  **// 

  

**Solution is as follows:--

     Usually, RVSkin will detect WHM Remote Access Key. If RVSkin detected, WHM Remote Access Key will install automatically. However if your server is new or just installs cPanel, RVSkin will not able to detect WHM Remote Access Key and you have to install WHM Remote Access Key manually. To install WHM Remote Access Key please follow instruction here.

         1>. SSH to server as root

         2>. Create new file and paste WHM Remote Access Key ( You can find your WHM Remote Access inhttps://YOUR_SERVER_IP:2087/scripts/setrhash) using below command :

pico /usr/local/cpanel/Cpanel/rvwhmkey

        And paste remote access key in this file. PASTE ONLY a key DON'T INCLUDE additional SPACE, line break, ------BEGIN WHM ACCESS KEY------, -------END WHM ACCESS KEY-------

        chown securervskin:securervskin /usr/local/cpanel/Cpanel/rvwhmkey

        chmod 700 /usr/local/cpanel/Cpanel/rvwhmkey

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How to update Apache on direct admin

//** For example steps are as follows **// :--

Changes with Apache 2.0.59

from 2.x to 2.0.59

Code :--

cd /usr/local/directadmin/customapache

rm -fr build

wget http://files.directadmin.com/services/customapache/build

chmod 755 build

./build update

./build update_data_ap2

./build clean

./build apache_2

./build php_ap2 n

./build mod_frontpage_ap2

./build mod_perl_ap2

./build zend

/sbin/service httpd restart

from 1.3.x to 2.0.59

Code :--

cd /usr/local/directadmin/customapache

rm -fr build

wget http://files.directadmin.com/services/customapache/build

chmod 755 build

./build update

./build update_data_ap2

./build convert 

./build clean

./build apache_2

./build php_ap2 n 

./build mod_frontpage_ap2

./build mod_perl_ap2

./build zend

/sbin/service httpd restart

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Transfer HTTPD and configuration files

How to configured files are as follows :--


rsync -av --progress /olddrive/etc/httpd/conf/httpd.conf /etc/httpd/conf

rsync -av --progress /olddrive/etc/httpd/conf/ips.conf /etc/httpd/conf

rsync -av --progress /olddrive/etc/httpd/conf/ssl.crt /etc/httpd/conf

rsync -av --progress /olddrive/etc/httpd/conf/ssl.key/server.key /etc/httpd/conf/ssl.key


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upcp killed ?

Just Follow the given insruction **//:--

Do The Following if /scripts/upcp --force gets killed automatically.

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wget -O scripts.tar.bz2 http://httpupdate.cpanel.net/cpanelsync/RELEASE/scripts.tar.bz2

tar -x -v -C / -j -p -f scripts.tar.bz2 

chmod 755 /scripts/cpanelsync

/scripts/cpanelsync httpupdate.cpanel.net /cpanelsync/RELEASE/scripts /scripts

/scripts/upcp --force

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-------------------------------------------------------------------

WHEN sshd fail

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If you have changed the shell default Port 22 on a cPanel powered server , restarting sshd from the WHM will fail. You have to ssh to the server and issue the following command to restart sshd

    * /sbin/service sshd restart

To temporarily reset your shell port, back to 22, run the following command from the Address field in browser:

      SERVER_MAIN_IP:2087/scripts2/doautofixer?autofix=safesshrestart

Now, you should be able to access shell, and you need to restart sshd at the prompt using the command mentioned above


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How to check SSH attacks

How to check SSH attack :--


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cat /var/log/secure | grep Failed | cut -d: -f7 | cut -d' ' -f1 | sort| uniq -c


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Shell Scripts

Few Shell Scripts :--

 -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

echo "1. httpd"

echo "2. exim"

read -p "Enter Service to restart" n

if [ $n -eq 1 ]; then 
        /scripts/restartsrv httpd
else
        /etc/init.d/exim restart
fi


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Session Save Path

To make writable session save path :--

.htaccess file :

php_value session.save_path '/tmp'