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Cron Job Linux

About Cron: The Linux Cron Job is a utility that can be used to execute or shedule a particular taskin the background at a specific time/date on an on-going basis. It is very helpful to get done the tasks automatically at the background and also time saving. Linux Crontab Format …

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Linux Command To View File

There are a number of options available in Linux and Unix systems to view a text file. There will occur situations in which we just need to view the contents of the files and also to search for a particular word, line, command in it. The following commands can be …

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How to scan for virus using ClamAV – Linux

Hi Guys, it is possible to have malware and virus attacks in our linux systems also, there is an antivirus application called ClamAV which can protect you from malware and threats. Some information on the ClamAV antivirus and its functionalities are shown below and I believe it can help you to find …

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Check TUN/TAP module is enabled or not on VPS – Linux OpenVZ

Hello all,Do you have a Virtual Private Server (VPS)? If yes, you might have heard about a module called TUN/TAP. This module is required to run a VPN application on your server. As we all know a VPN adds privacy and security to networks wheather it’s private or public. Companies …

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Change Hostname Linux

Hi all, if you want to change the hostname of your server/under linux operating system, you can follow the steps pasted below. There are networking programs such as sendmal, apache servers etc use hostname to identify the machine. The hostname command can be used to change or modify the hostname …

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Remove Frozen Mails Exim

What are frozen emails in Exim? The mails sent to invalid mail accounts are referred as Frozen mails. When a mail can’t be delivered for an account, the mail will be added in the queue and exim will again try to send the mail a couple of times depending on the …

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Netstat Command Linux

The ‘ netstat’ command can be used to know get information like network connections, routing details, interface statistics, and also information about other connections that related to the server. There are many netstat commands with various switches, some commonly used and effective ones are shown below with examples. List all …

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Centos 7 kickstart Installation on Virtualbox – Linux

Hello everyone, The ‘kickstart’ installation is nothing but automating the operating system installation process on a machine or system. The method helps to avoid human interaction with the system during the installation process. It’s not possible to install the OS on thousands of systems using the traditional method and in …

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Remove Frozen Mails Exim

What are frozen emails in Exim? The mails sent to invalid mail accounts are referred as Frozen mails. When a mail can’t be delivered for an account, the mail will be added in the queue and exim will again try to send the mail a couple of times depending on the …

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