Author Archives: Gkhan

Backup and Restore your Centos

Backup and Restore your Centos 7 Some time you want to take backup of your server including application and settings .below are the easy method a small example 1- The first step is to create a location to store the … Continue reading

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Downgrade Centos 6.x Kernel Version

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

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How to stop and start ApacheTomcat VOS3000 2.1.4.0

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

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Centos 5.X yum update

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 is no longer applicable.You should switch boxes, run on CentOS 5.x., to so called Vault repositories. 1- Disable base, updates and other enabled repositories (where enabled=1 is set)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

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How to Install VMware Tools on CentOS 7

How to Install VMware Tools on CentOS 7 # yum install -y open-vm-tools check file is exist # ls /usr/bin/vmtoolsd Now reboot the server    

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How to check directory size in Linux

How to check directory size in Linux DU command uses for disk uses you can use du command to check directory size. for example you want to check directory size of a folder “database” use -h for size in MB … Continue reading

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How to update Centos 5 .X and cannot find a valid baseurl for repo

How to update Centos 5 .X and cannot find a valid baseurl for repo If you are using CentOS 5.x and want to install any software and update CentOS 5.x  . you are getting following error . root@server1 [~]# yum … Continue reading

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vos3000 illegal calls query to block IP address

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

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How to configure Mikrotik DHCP Server for Cisco Phone TFTP option

How to configure Mikrotik DHCP Server for Cisco Phone TFTP option 1- Change your TFTP server IP in to hex code you can use this online tool : http://www.miniwebtool.com/ip-address-to-hex-converter/ 2- Now configure Mikrotik RouterOS : /ip dhcp-server option add code=150 … Continue reading

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