Linux & Windows | Security and Solutions

To display the default Apache page how do I set the primary IP address for my cPanel environment !!!

March 9, 2013 Ashish Kale Uncategorized

To display the default Apache page how do I set the primary IP address for my cPanel environment .

Log into your cPanel web server via Secure Shell (SSH).

Located the httpd.conf file using the following command:

located httpd.conf
Open the httpd config file found in step 2 using the following command:

pico /usr/local/apache/conf/httpd.conf
Find the first VirtualHost container in the file. It will look similar to the following: (xx.xx.xx.xx will be the primary IP address of your server)

BytesLog domlogs/cptemp.safesecureweb.com-bytes_log ServerName cptemp.safesecureweb.com DocumentRoot /usr/local/apache/htdocs
Above this section, add the following:

ServerAlias xx.xx.xx.xx ServerAdmin admin@domain.com DocumentRoot /usr/local/cpanel/htdocs ServerName xx.xx.xx.xx
Save and exit the file.

Test the config file to ensure the text you entered is properly formatted using the following command:

/etc/init.d/httpd configtest
Assuming the test returns the message Syntax OK, restart Apache using the following command:

/etc/init.d/httpd restart
The restart of Apache will make your websites unavailable for a few seconds.

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How to configure cPanel !!!

March 9, 2013 Ashish Kale Uncategorized

Open a web browser and connect to your cPanel Control Panel located at https://ip address:2087.
Login as the Administrator using the information sent to you in your setup email.
Under the Welcome message click Next.
Read the cPanel license agreement and click I Agree.
Enter the requested information:

Main Shared Virtual Host IP: enter the IP of your VPS Hostname: enter your domain name. If you do not currently have a domain name, you can ignore this field Primary Nameserver: enter the primary name server for your domain name; if you are using HostMySite’s nameserver, enter ns1.lnhi.net Secondary Nameserver: enter the secondary name server for your domain name; if you are using HostMySite’s nameserver, enter ns2.lnhi.net Tertiary Nameserver: enter the tertiary name server for your domain name; if you are using HostMySite’s nameserver, enter ns3.lnhi.net
Click Save.
Click Next Step to begin the Initial Quota Scan.
Click Next Step to continue past the Setup Nameserver screen.
Click Next Step to continue past the Setup Resolver Config screen.
For Step 6, enter a root MySQL password and click Change Password.
Click Finish.

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How to install BIND .

March 9, 2013 Ashish Kale cPanel/WHM

[Root @ example ~] # yum -y install BIND BIND-utils
It is set assuming that the global address [192.16.0.80/29], private address [10.0.0.0/24], the following settings in the domain name, and [server.world]: Setting BIND. Please replace to suit your environment. (192.16.0.80/29 is actually the address for private)

[Root @ example ~] # echo ‘OPTIONS = “-4″‘ >> / etc / sysconfig / named # If you do not want to use the IPv6 (you will not be set if used) set [Root @ example ~] # vi / etc / named.conf / / / / Named.conf / / / / Provided by Red Hat bind package to configure the ISC BIND named (8) DNS / / Server as a caching only nameserver (as a localhost DNS resolver only). / / / / See / usr / share / doc / bind * / sample / for example named configuration files. / /

options { # (Listens to port 53 on all interfaces of the server) Comment # listen-on port 53 {127.0.0.1;}; # (If you do not want to use the IPv6) change listen-on-v6 {None;}; directory “/ Var / named”; dump-file “/ Var / named / data / cache_dump.db”; statistics-file “/ Var / named / data / named_stats.txt”; memstatistics-file “/ Var / named / data / named_mem_stats.txt”; # (Where the internal network, etc.) to allow range queries allow-query {Localhost; 10.0.0.0/24; }; # (Range / the place if there is a secondary DNS) range to allow the transfer of information zone allow-transfer {localhost; 10.0.0.0/24;}; recursion yes; dnssec-enable yes; dnssec-validation yes; dnssec-lookaside auto; / * Path to ISC DLV key * / bindkeys-file “/ etc / named.iscdlv.key”; }; logging { channel default_debug { file “data / named.run”; severity dynamic; }; };

# Change the following line from all view “internal” { match-clients { localhost; 10.0.0.0/24; }; zone “.” IN { type hint; file “named.ca”; }; zone “server.world” IN { type master; file “server.world.lan”; allow-update {none;}; }; zone “0.0.10.in-addr.arpa” IN { type master; file “0.0.10.db”; allow-update {none;}; }; include “/ etc/named.rfc1912.zones”; }; view “external” { match-clients {any;}; allow-query {any;}; recursion no; zone “server.world” IN { type master; file “server.world.wan”; allow-update {none;}; }; zone “80.0.16.172.in-addr.arpa” IN { type master; file “80.0.16.172.db”; allow-update {none;}; }; };

# Allow-query ⇒ (specify the internal network, etc.) to allow range queries # Allow-transfer ⇒ (range / the place if there is a secondary DNS) range to allow the transfer of information zone # Recursion ⇒ Whether you are allowed to retrieve comeback # View “internal” {~}; ⇒ describes the definition for internal # View “external” {~}; ⇒ describes the definition for the external
# *. *. *. *. Place of in-addr.arpa is about to enter what was to reverse the network address # If the 10.0.0.0/24 # Network Address ⇒ 10.0.0.0 # Range of network ⇒ 10.0.0.0 – 10.0.0.255 # How to specify ⇒ 0.0.10.in-addr.arpa

# If 192.16.0.80/29 # Network Address ⇒ 192.16.0.80 # Range of network ⇒ 192.16.0.80 – 192.16.0.87 # How to specify ⇒ 80.0.16.172.in-addr.arpa

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Script to kill Roundcube stuck process !!

March 7, 2013 Ashish Kale Uncategorized

Create the new file roundcube.sh and insert the following code.
#!/bin/sh
for ROUNDCUBE in `ps aux | grep roundcube | awk -F ” ” ‘{print $10}’ | awk -F “:” ‘{print $1}’`;
do
if [ $ROUNDCUBE -ge 20 ]; then
pkill -u cpanelroundcube
echo “kill roundcube process roundcube”;
fi
done
You can add the cron job to run the above script after a specific time period, if you are facing the roundcube cpu usage issue continuously.Add following line under the crontab by using the crontab -e, it will run the cron after every 10 minutes.
*/10 * * * * sh /root/roundcube.sh;

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How to use cgi script to check the Server uptime .

March 7, 2013 Ashish Kale cPanel/WHM

The following script you can use to check the Server uptime?
root@admin[/usr/local/apache/cgi-bin]# nano loads
#!/bin/bash
echo Content-type: text/plain
echo
echo $(hostname)
echo “=>”
echo $(uptime)

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Add SPF and Domainkeys in cPanel

February 24, 2013 Ashish Kale Uncategorized

If you have a cPanel based server, adding an SPF record or domain keys entries for domains are so much easier than manually entering them.
cPanel provides the following scripts/commands to help us through this task:

# /usr/local/cpanel/bin/domain_keys_installer

# /usr/local/cpanel/bin/spf_installer

Note:: This would add the records for all domains under this cPanel account. Meaning for all Addon domains too.

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Database size doesn’t get updated in cPanel.

February 24, 2013 Ashish Kale cPanel/WHM

If the database inside the cPanel shows 0 mb, it is because the database cache file of the user is not updated.

To fix this, login to server via SSH and edit the below file:

vi /var/cpanel/cpanel.config

check disk_usage_include_sqldbs=0 and change it to disk_usage_include_sqldbs=1, if the line noe found, simply add it to the bottom.

You can do the same via WHM >> Main >> Server Configuration >> Tweak Settings >> SQL >>
Include databases in disk usage calculations >> Set that to On.

Then run the below command:
/scripts/update_db_cache

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How to enable alternate port for exim?

February 16, 2013 Ashish Kale cPanel/WHM

Exim is a mail transfer agent (MTA) used on Linux/Unix-like operating systems. It is freely available under the GNU GPL and it aims to be a general and flexible mailer with extensive facilities for checking incoming e-mail.

Normally default port for exim is 25. but most of the ISP block port 25. so it is necessary that an altername port for exim is open on server. Following are the steps to configure alternate port on cpanel/WHM installed on the server.

1) Login to WHM as root.

2) In WHM click on Main >> Service Configuration >> Service Manager

3) Now tick the check box under Exim on another port and also enter the alternate port no: in the corresponding text box.

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Not able to login to Horde?

February 16, 2013 Ashish Kale Uncategorized

Many times it happens that horde wont allow user to login to webmail.
Try following command to fix the issue

root@server[~]#/usr/local/cpanel/bin/checkperlmodulesroot@server[~]#/scripts/fullhorderesetroot@server[~]#myisamchk -r /var/lib/mysql/horde/horde_sessionhandler.MYI

If still you have problem then check the ownership for session directory present in /var/cpanel/userhomes/cpanelhorde directory.

root@server[~]#ll /var/cpanel/userhomes/cpanelhorde
drwx–x–x 4 cpanelhorde cpanelhorde 4096 June 5 2012 ./drwx–x–x 7 root root 4096 Dec 17 01:48 ../drwxr-x— 2 cpanelhorde cpanelhorde 4096 June 5 2012 mail/drwx—— 2 cpanelhorde cpanelhorde 4096 Jan 27 14:01 sessions/

Session directory should be cpanelhorde.cpanelhorde ownership recursively

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How to Enable html view for horde?

February 16, 2013 Ashish Kale Uncategorized

Login to shell using root user and follow the following steps to enable HTML view of horde webmail.
root@server[~]# vi /usr/local/cpanel/base/horde/imp/config/mime_drivers.php
Search for the line
—-
/**
* HTML driver settings
*/
$mime_drivers[‘imp’][‘html’][‘inline’] = false;
—–
and replace it with
——–
/**
* HTML driver settings
*/
$mime_drivers[‘imp’][‘html’][‘inline’] = true;
——–
Save the changes and restart the following services.
root@server[~]#service cpanel restart
root@server[~]#/scripts/restartsrv_courier

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