Download custom VMware ESXi for Lenovo Servers
Updating firmware & device drivers
- Go to Lenovo Support Portal.
- Under Select a Product Family click on Data Center then select Servers.
- In the Select Series drop down box select ThinkSystem.
- In the Select Subseries drop down box select the model of your server.
- In the Select Machine Type drop down box select the machine type of your server.
- On the next page select Drivers & Software from the blue banner.
- In the Operating System drop down box select VMWare ESXi 6.7.
- This will display a list of the most recent firmware and device drivers for your system.
- Follow the Readme.txt file in each download package for installation instructions.
How to install Issabel on Centos 7
If you would like to install Issabel IP PBX on Cloud VPS . then you have to choose Centos 7 64 bit while ordering VPS.
then run the following commands.
yum -y install wget
wget -O - http://repo.issabel.org/issabel4-netinstall.sh | bash
Source information :- https://forum.issabel.org/d/1145-install-in-a-vps
How to configure Cisco Phone 7975g with Asterisk
To work with asterisk Cisco Phone 7975g must be upgraded with SCCP to SIP firmware
Follow my old post
1- Download SIP Firmware for Cisco Phone 7975g
2- Configure TFTP server and upload SIP firmware
3- Boot Cisco Phone with SIP firmware after upgrade
4- configure SEP_MACaddress.cnf.xml file
5- Reboot the Cisco Phone . Continue reading How to configure Cisco Phone 7975g with Asterisk
vicibox 10 time synchronization problem with your system
If you PHP time and DB time is matching and not syncing with system time
and its showing red line
If DB time is wrong it means that /usr/share/astguiclient/AST_update.pl script does not update DB value. Try to launch it manually and check for output.
If it throws error:
pattern match timed-out at /usr/share/astguiclient/AST_update.pl line 470
Continue reading vicibox 10 time synchronization problem with your system
How to show line number in nano command
if you want to show line number in nano command
run nano as you run normaly when window is open just press Alt+Shift+3 it will show line number.
How to access Centos 7 with windows RDP
If you want to access your Centos 7 server with windows RDP same as you are accessing windows machine .
Then you need the following packege to install xRDP
1- Add epel reposetry
# yum install -y epel-release
2- Install xRDP
# yum install -y xrdp
Continue reading How to access Centos 7 with windows RDP
Peer cert cannot be verified or peer cert invalid while using yum
If you are getting above error then perform the following to resolve the yum error.
1- check and correct the date and time of the server.
2- Check /etc/hosts file for any false DNS resolutions of servers.
3-Disable SSL verification by adding sslverify=false in /etc/yum.conf
4- Check repo file is using http or https and verify url.
How to access data after booting with Sysrcd rescue system
If you have servers in cloud or rented server on data center . some time its currepted or you need to get databack or edit and currect files.
you are booting with Sysrcd rescue system
After booting get ssh access and login
create a folder to mount your data or partition
Continue reading How to access data after booting with Sysrcd rescue system
Jio SIP Trunk is an IP-based voice service that allows you to make and receive calls through an IP PBX on a single channel with a scale from 10 to 5000 simultaneous calls. Jio SIP Trunk allows you to assign a unique number to each station with the ability to send and receive voice calls. It is a cost-effective and flexible alternative to traditional ISDN PRIs. This scalable solution allows you to quickly and easily upgrade or reduce the number of voice channels as needed. It is easy to integrate and manage because it works over IP. Jio SIP Trunk provides a solution for both incoming and outgoing calls, including telemarketing channels and an ISD facility.
For more information visit Jio website https://www.jio.com/business/jio-sip-trunk
How to configure Jio SIP Trunk on Grandstream UCM 6301
Jio TATA Airtel are providing SIP trunk or SIP PRI as per sales person. Jio is providing SIP PRI on Fiber . They are installing fiber connection on your premises .Fiber are being terminated on ONU.
Continue reading How to configure Jio SIP Trunk on Grandstream UCM 6301