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  • Data Center Solution

    A data centre is a facility where companies can keep and operate most of the ICT infrastructure that supports their business. IT host the most critical systems that are vital to the continuity of daily operations...

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  • Monitor your network and systems like a hawk

    There are some perfact open souce solution for monitoing your Network devices and server system's health. Nagios, Cacti, WhatsUpGold and Smokeping are the leading monitoring tools among them...

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  • Email service and Security

    Now a days life without email service is unthinkable and E-mail service is quite expensive. As always linux gives us the answer with a strong mail service named postfix...

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  • Data Center Solution

    A data centre is a facility where companies can keep and operate most of the ICT infrastructure that supports their business. IT host the most critical systems that are vital to the continuity of daily operations...

    Read More
  • Monitor your network and systems like a hawk

    There are some perfact open souce solution for monitoing your Network devices and server system's health. Nagios, Cacti, WhatsUpGold and Smokeping are the leading monitoring tools among them...

    Read More

Friday, July 9, 2021

How to solve a problem of NFS 'permission denied'

1. Created a new user at the QNAP server named 'username' and gave him full permission on the desired folder. For example, let's share the 'media' folder.2. Mounted the partition from the client machine[root@redhat ~]# mkdir /opt/mymedia/[root@redhat ~]# mount -t cifs -o username=username,password=user's_password,uid=application_name,gid=application_name //192.168.1.1/media /opt/mymedia/Testing:[root@redhat ~]# cd /opt/mymedia/[root@redhat mymedia]# lltotal 2-rwxr-xr-x 0 nginx nginx  7 2020-12-15 12:44 100.txt-rwxr-xr-x 0 nginx...

Friday, May 21, 2021

How to monitor hardware RAID array status from Linux

 First check which raid card we are using:To find out which RAID you are using, just type one command to the command line:[root@school ~]# lspci -vv | grep -i raid15:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS-3 3108 [Invader] (rev 02) Kernel driver in use: megaraid_sas Kernel modules: megaraid_sasThere may be several responses to this request: 1. Hewlett-Packard is your HP RAID array 2. 3ware is your 3ware RAID array 3. megaRAID is your MegaRAID arrayIf we do not receive a response or some other answer,...