XEAMS mail Server Installation on CentOS 6 Rumi, September 5, 2017September 5, 2017 Installation Instructions Follow the steps below to install Xeams on a Linux machine.Log in as root Download the installer Extract the tar file using the following command tar -xf XeamsLinux.tar Ensure the permissions for Install.sh is set as an executable. If not, use the chmod +x Install.sh command to change… Continue Reading
Install and configure ClamAV Antivirus on CentOS 6 Rumi, September 5, 2017 Enable EPEL repository CentOS 6.x 32-bit: # rpm –ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm CentOS 6.x 64-bit: # rpm –ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Check the repository list. Continue Reading
Publishing long domain key SPF TXT records in bind9 Rumi, September 5, 2017 If your bind is throwing error with long TXT data, you can do the following means to concatenate: You are using commas to separate your key/value pairs in your record instead of semi-colons. Change it to: a9d04665528b593d263a6e5256648c99._domainkey IN 1800 TXT ( “k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz2/ZfhxSI/A” “bqgh0amM8ylrlosirWeKShUhq7fg12aYmRwOqq9hIzO0Fcz1BzfgHVu6HU++rC5” “QoUK0JQK/nk4jwkDgvG2di2ZYmAvEbY/VeiK1x/TG0p1Iczr2k6Bj0gEAb/YGD2” “YbwrwAi4bDXwoPsYuuNn9TB3jjyWKu/dvOsqhff1/4Wc+FkOi0ClvgrXiklN28X” “TLjyjSyU794ntIoegXxrfwcwkhfPMvuqcnhfIC0Z8L71M4WR4SoHyNHVfBtNlUv” “VNROiXlMxtxnNQvfViSwz6LC8bYIxeAba3hSXPTChKu3qZtfR0o3jFwEWAfLQdg” “Ixler0jMEoAyJmfQIDAQAB”) Continue Reading
How to Upgrade Node.js via NPM Rumi, August 23, 2017 Steps to Upgrade Node.Js Use the following steps to install or upgrade node.js to latest available version. Current NodeJs Version – First check current nodejs version on your system using following command. In my case it is v0.10.37.rahul@tecadmin:~$ node -v v0.10.37 Clean Cache Forcefully – Now clean all npm cache from your… Continue Reading
Installing Certbot on Debian 8 Rumi, August 23, 2017 root@server:~# cat /etc/apt/sources.list deb http://ftp.de.debian.org/debian/ jessie main deb-src http://ftp.de.debian.org/debian/ jessie main deb http://security.debian.org/ jessie/updates main deb-src http://security.debian.org/ jessie/updates main deb http://ftp.de.debian.org/debian/ jessie-updates main deb-src http://ftp.de.debian.org/debian/ jessie-updates main deb http://ftp.debian.org/debian jessie-backports main Continue Reading
Failed to open /var/mail/root : No such file or directory Rumi, August 21, 2017 If you’re receiving the following message on webmin- “Failed to open /var/mail/root : No such file or directory”. Possible resolution is- rumi@mordor:~$ rumi@mordor:~$ sudo touch /var/mail/rumi rumi@mordor:~$ sudo chown thufir:mail /var/mail/rumi rumi@mordor:~$ sudo chmod o-r /var/mail/rumi rumi@mordor:~$ sudo chmod g+rw /var/mail/rumi rumi@mordor:~$ rumi@mordor:~$ mail No mail for thufir thufir@mordor:~$ Continue Reading
Best Practices on Email Protection: SPF, DKIM and DMARC Rumi, August 20, 2017 Once we installed Zimbra Collaboration, we need to be aware of some additional configurations that will allow us to send emails to other Email systems with an improve Security, such Gmail, Hotmail, Yahoo!, etc. This Wiki article will show the different Email Protection resources that exists, depends of the volume… Continue Reading
Proxmox VM is locked (backup) Rumi, August 7, 2017 Problem found- Error show: Code: INFO: setting parameters failed – VM is locked (backup) ERROR: Backup of VM 516 failed – command ‘qm set 516 –lock backup’ failed with exit code 255 Resolution: qm unlock <vmid> Continue Reading
Moving MySQL/Windows to same version of MySQL/Linux Rumi, August 5, 2017 Moving MySQL/Windows to same version of MySQL/Linux. You can mysqldump all the databases as follows: C:\> mysqldump -uroot -p –routines –triggers –flush-privileges –all-databases > MySQLData.sql Move MySQLData.sql to Linux box and run the reload mysql -uroot -p < MySQLData.sql Continue Reading
Apache Virtual Hosts on Debian 7 Rumi, August 2, 2017 Virtual Hosts are used to run more than one domain off of a single IP address. This is especially useful to people who need to run several sites off of one virtual private server– each will display different information to the visitors, depending on which website the user is accessing.There… Continue Reading