How to find VMware supported Hardware
VMware has provided search option to check hardware combability. you can check on below link .
How to setup your IT Infrastructure for Work From Home in low cost with open source secure industry standard technologies.
Here I am going to talk about talk about small and medium size offices and companies who are not able to invest big amount to upgrade or migrate there IT infrastructure for there workers to work from home in the COVID pandemic .
There are few things mostly you are using in the office as IT infrastructure as end user. if that IT infrastructure is available at your home then mostly people can work from home easily.
I am taking a small office example scenario with 30 employees which you require to work from home.
Simple small office network diagram .
How to Restart Management agents in ESXi Using ESXi Shell or Secure Shell (SSH).
Restart the ESXi host daemon and vCenter Agent services using these commands:
Note: Using a semicolon (;) between the two commands ensures the VMkernel interface is disabled and then re-enabled in succession. If the management interface is not running on vmk0, change the above command according to the VMkernel interface used.
how to restart vmware esxi Network adapter
Login to VMware Esxi through ssh
check the network interfaces by following command . # esxcli network nic list ----To down your interface ----- # esxcli network nic down -n vmnicX X replace X with your nic number ---To make interface UP --- # esxcli network nic up -n vmnicX
How to enable call forwarding from SIP extension Softphone or Analog Phone if you are using Asterisk PBX or Issabel PBX .
From the Softphone or Analog Phone
Dial *72 with number where you want to forward the call for example I want to forward my all calls on
my mobile no 83199999 then i will dial *7283199999 make sure you are able to dial outside from your phone . and add prefix which you dial for outside calls.
To Disable Call Forwarding
MikroTik DHCP Server configuration for multiple Networks
If you are having multiple Network and want to configure DHCP server for your Networks .
Follow the steps and change the IP Address and Interface names according to your requirement.
Here I will configure two networks for my home
1- 172.16.10.0/24 for my LAB
2- 10.34.200.0/24 for my Home
My Interfaces IP address
/ip address add address=172.16.10.1/24 interface=ether2_lab network=172.16.10.0 add address=10.34.200.1/24 interface=ether3_home network=10.34.200.0
1- Create IP Pools for your Network
/ip pool add name=lab ranges=172.16.10.100-172.16.10.150 add name=home ranges=10.34.200.100-10.34.200.150 add name=PPTP ranges=172.16.11.100-172.16.11.150
2- Create DHCP Server
/ip dhcp-server add address-pool=lab disabled=no interface=ether2_lab name=dhcp1 add address-pool=home disabled=no interface=ether3_home name=server1
3- Create DHCP-Server Network
/ip dhcp-server network add address=10.34.200.0/24 gateway=10.34.200.1 add address=172.16.10.0/24 gateway=172.16.10.1
how to configure sip trunk between cme and issabel or how to configure sip trunk between cme and elastix.
Some time we require sip communication between Cisco CME and Asterisk servers to send and receive calls to and from CME to Asterisk .
First we will configure Issabel side with following steps. we will go through following steps .
1- Configure Trunk
2- Configure Outbound Routes
centos 5.11 yum repository
It is now EOD no updates available. but we require yum repo to install old applications .
go to and run
cd /etc/yum.repos.d for i in $(ls *.repo); do mv $i $i.orig; done
copy the below code and save as CentOS-Base.repo
# CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os baseurl=http://vault.centos.org/5.11/os/$basearch gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #released updates [updates] name=CentOS-$releasever - Updates #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates baseurl=http://vault.centos.org/5.11/updates/$basearch gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons baseurl=http://vault.centos.org/5.11/addons/$basearch gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras baseurl=http://vault.centos.org/5.11/extras/$basearch gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus baseurl=http://vault.centos.org/5.11/centosplus/$basearch gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib baseurl=http://vault.centos.org/5.11/contrib/$basearch gpgcheck=1 enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
How to check Internet Speed on Centos CLI
Speedtest-cli is Python script its works on Python program.
you must have Python installed. check if have installed .
if you have not install then install it by
# yum install python
Download the script
#wget -O speedtest-cli https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
#chmod +x speedtest-cli
Now check the internet speed
How to block Country in Mikrotik Firewall.
If you want to block whole country in Mikrotik firewall visit the website https://mikrotikconfig.com/firewall/
step 1 :- Check the countries you want included in the address list. Scroll down for additional countries.
Step 2- Click this button to generate your stand alone address list for use with your own custom rules
it will generate the firewall command with IP address . now copy and paste in Mikrotik CLI.