Category Archives: Uncategorized

How to install Cisco Configuration Professional on windows 10 64 Bit

Posted on February 16, 2020 by Gkhan

How to install Cisco Configuration Professional on windows 10 64 Bit Continue reading →

Posted in Uncategorized | Tagged | Leave a comment

Downgrade Centos 6.x Kernel Version

Posted on March 16, 2019 by Gkhan

VOS3000 2.1.4.0 does not support latest Kernel Versions. you have to downgrade Kernel

Posted in Uncategorized | Leave a comment

How to stop and start ApacheTomcat VOS3000 2.1.4.0

Posted on March 16, 2019 by Gkhan

Login to your server To STOP Apache Tomcat Server # /home/kunshiweb/base/apache-tomcat/bin/shutdown.sh To START Apache Tomcat server #/home/kunshiweb/base/apache-tomcat/bin/startup.sh

Posted in Uncategorized | Leave a comment

Centos 5.X yum update

Posted on March 16, 2019 by Gkhan

Update of packages using default repositories (base, update etc.) is no longer applicable.You should switch boxes, run on CentOS 5.x., to so called Vault repositories. 1- Disable base, updates and other enabled repositories (where enabled=1 is set) in the CentOS-Base.repo:  … Continue reading →

Posted in Uncategorized | Leave a comment

vos3000 illegal calls query to block IP address

Posted on August 23, 2018 by Gkhan

vos3000 illegal calls query to block IP address All call records are saved in e_cdr_files you can query to get ip addresses of illegal calls source. mysql> select DISTINCT callerip from e_cdr_20180818 where endreason = ‘-9’; +—————-+ | callerip | … Continue reading →

Posted in Uncategorized | Tagged | Leave a comment

OpenVPN CRL has expired

Posted on July 15, 2018 by Gkhan

OpenVPN CRL has expired VERIFY ERROR: depth=0, error=CRL has expired: CN=servername In order to fix the issue, we just need to recreate the crl.pem file. we need  to backup the current crl.pem file before creating a new one. The location of the  … Continue reading →

Posted in Uncategorized | Tagged | Leave a comment

OPENVPN Logs

Posted on July 15, 2018 by Gkhan

OPENVPN Logs To troubleshoot connection issues check below logs grep the client name  in /var/log/messages # grep VPN    /var/log/messages Check the connection time #cat /etc/openvpn/openvpn-status.log Check the connection negotiation activity # tail -f /var/log/messages  

Posted in Uncategorized | Tagged | Leave a comment

How to install vos3000 2.1.4.0 on CentOS 6.X

Posted on February 8, 2018 by Gkhan

How to install vos3000 2.1.4.0 on CentOS 6.X Follow the steps #/etc/init.d/iptables save #/etc/init.d/iptables stop #chkconfig iptables off #/etc/init.d/ip6tables save #/etc/init.d/ip6tables stop #chkconfig ip6tables off

Posted in Uncategorized | Tagged | Leave a comment

How to configure Cisco Unity Connection with CUCM with SCCP

Posted on October 8, 2017 by Gkhan

How to configure Cisco Unity Connection with CUCM with SCCP I will be configuring very simple way without CSS and Partition with Default Basic Configuration. Below are the Call flow From CUCM and Cisco Unity Connection.         … Continue reading →

Posted in Uncategorized | Tagged | Leave a comment

How to configure UCCX Simple Auto Attendant

Posted on October 7, 2017 by Gkhan

How to configure UCCX Simple Auto Attendant I  am going to configure UCCX and CUCM for simple Auto Attendant using inbuilt script (aa.aef) in Cisco UCCX. I am not making any restriction so I am not using CSS and Partition … Continue reading →

Posted in Uncategorized | Tagged | Leave a comment