Gkhan Tips

how to restart vmware esxi Network adapter

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

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

Dial *73

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

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

3-Inbound Routes

Continue reading how to configure sip trunk between cme and issabel

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 .

python –version
python3 –version
lsb_release -a

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

#./speedtest-cli

#python speedtest-cli

Source link

How to block Country in Mikrotik Firewall

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.

How to reset FreePBX admin password

If you forget the freepbx admin password and you have root ssh access you can reset the admin password .

1- Access your login page and press Ctrl +A

2- Copy the unique session ID

3- Now on your SSH session type as below adn replace your unique session ID

[root@pbx ~]# fwconsole unlock igg56njsp8bi0h4serfwepsq963
Unlocking:
session unlocked!
[root@pbx ~]#

If you are using FreePBX 13 or earlier and the above gives you a ‘command not found’ error message, use the depreciated amportal command

[root@pbx ~]# amportal a u igg56njswewbi0h4odqnupsq963
Fetching FreePBX settings with gen_amp_conf.php..
session unlocked!
[root@pbx ~]#

4- Now refresh the login page and you will be automatically logged in.

5- Now Go to Admin -> Administrators and select your user on the right side of the page. At this point you can reset your password.

fwconsole firewall disable
fwconsole firewall stop
fwconsole firewall start
fwconsole firewall restart
fwconsole firewall trust www.google.com
fwconsole firewall untrust www.google.com
fwconsole firewall untrust 192.168.0.1/24
fwconsole firewall list blacklist
fwconsole firewall list trusted
fwconsole firewall add blacklist example.com 192.168.15.0/24
fwconsole firewall add other 192.168.75.0/24
fwconsole firewall list other
fwconsole firewall del other 192.168.75.0/24

Centos 6.x repository not working

Centos 6.4 repository not working

just rename /etc/yum.repos.d/CentOS-Base.repo

cd /etc/yum.repos.d/

mv CentOS-Base.repo CentOS-Base.repo.old

copy and paste below code on command prompt

they try to use yum .

cat <<-'EOF' > /etc/yum.repos.d/CentOS-Base.repo
[C6.4-base]
name=CentOS-6.4 - Base
baseurl=http://vault.centos.org/6.4/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.4-updates]
name=CentOS-6.4 - Updates
baseurl=http://vault.centos.org/6.4/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.4-extras]
name=CentOS-6.4 - Extras
baseurl=http://vault.centos.org/6.4/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.4-contrib]
name=CentOS-6.4 - Contrib
baseurl=http://vault.centos.org/6.4/contrib/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0
metadata_expire=never

[C6.4-centosplus]
name=CentOS-6.4 - CentOSPlus
baseurl=http://vault.centos.org/6.4/centosplus/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0
metadata_expire=never
EOF