The package you are using while adding a domain has the “Dedicated IP” option enabled which searches for a free IP on the server and tries to assign to the every new domain you create. To overcome the issue, you will have to deselect the “Dedicated IP” option from the package which can be achieved via ssh.

Edit the package file located under /var/cpanel/packages

# vi /var/cpanel/packages/packagename

Search for

IP=y

and replace it with

IP=n

Save the file. You should now be able to create an account from WHM successfully.

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What we are doing it creating a file that we will use to mount at /tmp. So log into SSH and SU to root so we may being!

cd /dev

Create 1GB file for our /tmp partition. If you need more space, make count size larger.

dd if=/dev/zero of=tmpMnt bs=1024 count=1000000

Make an extended filesystem for our tmpMnt file

/sbin/mke2fs /dev/tmpMnt

Backup your /tmp dir- I had mysql.sock file that I needed to recreate the symbolic link for. Other programs may use it to store cache files or whatever.

cd /

cp -R /tmp /tmp_backup

Mount the new /tmp filesystem with noexec

mount -o loop,noexec,nosuid,rw /dev/tmpMnt /tmp

chmod 1777 /tmp

Copy everything back to new /tmp and remove backup

code:
cp -R /tmp_backup/* /tmp/

code:

rm -rf /tmp_backup

Now we need to add this to fstab so it mounts automatically on reboots.

pico -w /etc/fstab

You should see something like this:

/dev/hda3               /                       ext3    defaults,usrquota        1 1
/dev/hda1               /boot                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /proc                   proc    defaults        0 0
none                    /dev/shm                tmpfs   defaults        0 0
/dev/hda2               swap                    swap    defaults        0 0

At the bottom add

dev/tmpMnt             /tmp                    ext2    loop,noexec,nosuid,rw  0 0

(Each space is a tab)
Save it!

Ctrl + X and Y

Your done- /tmp is now mounted as noexec. You can sleep a little bit safer tonight. I created a hello world c++ and compiled it then moved it to /tmp. Upon trying to run it (even chmod +x’ed), it gives the following error:

bash: ./a.out: Permission denied

Yay! /tmp no longer has execute permissions

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A. You can upgrade to EDGE release from WHM manager. Please note that Edge is the bleeding edge tree. While it has the newest features; It has undergone the least amount of testing (if any). You generally shouldn’t run this build unless you need a bug fix or feature in it. Once an equivalent CURRENT or RELEASE build has been released, you should switch away from this.

Configure EDGE upgrade

a] Just login to WHM

b] Look for Server Configuration

c] Click on Update Config

d] Set cPanel/WHM Updates option to Manual Updates Only (bleeding EDGE tree)

e] Click on Save.

To start upgrade procedure

Look for cPanel

Click on Upgrade to Latest Version

Click on Click Upgrade button

Edge upgrade from a shell or command prompt

Login as the root via ssh. Edit /etc/cpupdate.conf file:
# vi /etc/cpupdate.conf
Find line
CPANEL=stable
Replace with:
CPANEL=manual-edge
Save and close the file. Now update to edge:
# /scripts/upcp --force

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How to change cPanel theme for multiple accounts?

The cPanel theme for an account is specified in the /var/cpanel/users/username file in the format

RS=value

For example:

BWLIMIT=unlimited
DEMO=0
DNS=domainname.com
FEATURELIST=default
HASCGI=1
IP=IPHERE
LANG=english
LOCALE=en
MAXADDON=0
MAXFTP=0
MAXLST=0
MAXPARK=0
MAXPOP=5
MAXSQL=0
MAXSUB=0
MTIME=1271068514
OWNER=root
PLAN=default
STARTDATE=1228721668
USER=username
RS=x3

where, x3 is the theme. WHM only provides the option to change the cPanel theme for an account one at a time. In order to change the theme for all the accounts at once, execute the following script:

for i in `ls -la /var/cpanel/users/ | awk ‘{print $9}’ | sed ‘1,3 d’`
do
sed -i “/RS/d” $i;
echo “RS=x3″ >> $i;
done;

here, it will change the cPanel theme of all the accounts on the server to ‘x3′ theme.  Since all the files are updated manually, you need to execute the following script to rebuild the cache

/scripts/updateuserdomains

Note: The single OR double quotes in the script may change to dot (.) on copy/pasting the command in the shell, so make sure you correct those before executing the command.

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• Login to your server as a root user
• wget http://www.logview.org/logview-install
• chmod +x logview-install
• ./logview-install
• Wait for install complete message
• rm -f logview-install

LogView is now installed on your server!

• Login to WHM
• Go to Add-Ons >> LogView – File System Log Viewer
• Start using LogView

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The File Manager/Console can be an essential tool for:

• Server Administrators unfamiliar with server shell commands
• Repairing a server where access via SSH is not available*
• Repair access to a server due to an incorrectly configured firewall or SSH
• Edit files directly on the server
• Functions for files and directories:
  • Copy
  • Delete
  • Rename
  • Move
  • CHMOD (change permissions)
  • CHOWN (change ownership)
• Uploading files to the server in BINARY or ASCII mode
• Downloading files from the server
• Easy access to your server configuration from within your browser
• Access restricted to the root user through WHM only (no access for resellers)

To install or upgrade cse simply do the following from the root shell via SSH:

rm -fv cse.tgz
wget http://www.configserver.com/free/cse.tgz
tar -xzf cse.tgz
cd cse
sh install.sh
cd ..
rm -Rfv cse/ cse.tgz

Then login to WHM and scroll to the bottom of the left hand menu and you should see “ConfigServer Explorer”

If you want to uninstall, simply:

rm -fv /usr/local/cpanel/whostmgr/docroot/cgi/addon_cse.cgi
rm -fv /usr/local/cpanel/whostmgr/docroot/cgi/cseversion.txt

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Create a crond file under the chkservd.d directory where all the services files are placed:

# pico /etc/chkserv.d/crond

Add the following and save the file:

service[crond]=x,x,x,/etc/init.d/crond restart,crond,root

Now you need to edit the chkservd configuration file and enable the crond service for monitoring

# pico /etc/chkserv.d/chkservd.conf

add the following line at the end of the file

crond:1

Now, save the file and restart the chkservd service for the new changes to take affect:

# /scripts/restartsrv chkservd

In order to verify if chkservd auto-restarts the crond service if found offline, stop the service manually

# service crond stop

and watch the logs

# tail -f /var/log/chkservd.log

You will notice that the crond service is restarted automatically within 5 minutes.

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# pico /var/cpanel/cpanel.config

Search for

disk_usage_include_sqldbs=0

and change to

disk_usage_include_sqldbs=1

If the parameter is not present, add it. Save the file and execute the following command:

# /scripts/update_db_cache

OR

2) Login to the WHM, goto Tweak Settings >> ‘SQL’ section and enable the following option:

When displaying disk usage in cpanel/WHM include Postgresql and MySQL.

This will fix the issue.

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Howto install CSF on your server:

1) cd /usr/local/src/
2) download csf: wget http://www.configserver.com/free/csf.tgz
3) tar -xzf csf.tgz
4) goto the csf directory : cd csf
5) ./install.sh

Once it is installed, you can either edit the configuration file from WHM >> Plugins >> “Config Server Security and Firewall” option.

If you don’t have WHM/cPanel on your server, the configuration and all the CSF related files are stored under /etc/csf directory. You need to edit the csf configuration file /etc/csf/csf.conf and make the changes as per your wish.

Once you make the required changes to your CSF configuration file and are sure, you are not going to block yourself out, change the following from

TESTING = “1″
to
TESTING = “0″

and restart the csf firewall using service csf restart command.

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