Author Archives: Gkhan

how to configure Static IP on Centos 6

Posted on August 27, 2017 by Gkhan

how to configure Static IP on Centos 6 ## Configure eth0 # # vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=”eth0″ NM_CONTROLLED=”yes” ONBOOT=yes HWADDR=A4:BA:DB:37:F1:04 TYPE=Ethernet BOOTPROTO=static NAME=”System eth0″ UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 IPADDR=192.168.1.44 NETMASK=255.255.255.0

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Get Virtual Machine list reside on VMware Datastore

Posted on August 6, 2017 by Gkhan

Get Virtual Machine list reside on VMware Datastore Virtual machine  reside on  datastore and you do not care in which cluster they are (Get-Datastore -Name ‘datastore_name’).Extensiondata.Vm|%{(Get-View -Id $_.toString()).name}

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GL-inet allow clients access from other Network

Posted on July 31, 2017 by Gkhan

GL-inet allow clients ( behind the LAN ) access from other Network Edit the firewall add following lines vi /etc/config/firewall config forwarding option dest ‘lan’ option src ‘VPN_client’ Restart firewall service /etc/init.d/firewall restart  

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Protect your Asterisk PBX server from Black listed IP address

Posted on July 27, 2017 by Gkhan

Protect your Asterisk PBX server from Black listed IP address VoIPBL is a distributed VoIP blacklist that is aimed to protects against VoIP Fraud and minimizing abuse for network that have publicly accessible PBX’s. For more details http://www.voipbl.org/ For Asterisk PBX  you  need to install Fail2ban. This … Continue reading →

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How configure crontab in ESXi to schedule a job every 5 min

Posted on July 16, 2017 by Gkhan

How configure crontab in ESXi to schedule a job every 5 min For scheduling a command or script every 5 min in ESXi we need to edit following file /var/spool/cron/crontabs/root vi /var/spool/cron/crontabs/root #min hour day mon dow command 1 1 * … Continue reading →

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How to remove the ESXi web welcome page

Posted on July 12, 2017 by Gkhan

How to remove the ESXi web welcome page For any reason if you want to change VMware ESXi welcome page. Follow the following steps . Rename the following page /usr/lib/vmware/hostd/docroot/index.html create new index.html page if you want to redirect your … Continue reading →

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VMware ESX / ESXi services restarting

Posted on July 12, 2017 by Gkhan

VMware ESX / ESXi services restarting Restart the ESXi host daemon /etc/init.d/hostd restart Restart vCenter Agent services /etc/init.d/vpxa restart

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VMware ESXi Datastores refresh issue incorrect free space

Posted on July 12, 2017 by Gkhan

VMware ESXi Datastores refresh issue incorrect free space We do manual datastore scan or HBA  scan to show the correct free space . We can change the refresh interval manually to edit config.xml file in esxi host. To change the … Continue reading →

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Select your Cisco Switch

Posted on July 5, 2017 by Gkhan

Select your Cisco Switch Quickly identify the right Cisco switch for your needs—whether you’re acquiring a new switch or upgrading an old one. Just answer a few simple questions and get your results. It’s that easy, so let’s get started.

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Cacti Table ‘host’ is marked as crashed and should be repaired

Posted on July 3, 2017 by Gkhan

Cacti Table ‘host’ is marked as crashed and should be repaired My Cacti server lost all host information and on monitor tab its showing error  “Table ‘host’ is marked as crashed and should be repaired” I tried google got below … Continue reading →

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