Why do we need an SRV DNS record?
For explanation purposes, let's consider a practical example involving an LDAP server and a client. Usually, when configuring an LDAP client, we specify the direct address—either the LDAP server's IP…
Adding SPF record to the domain for successful email delivery
If your company is using the paid version of Gmail for business and wants to have email IDs in the format of username@companydomain.com, then you need to add the 'SPF'…
4 reasons why email’s go to SPAM?
Are your emails going to the spam folder? Customers are complaining that they have not received your emails, and some have mentioned that although they received the email, it ended…
Why is SPF important for email delivery?
The Sender Policy Framework (SPF) Record is created to prevent applications or users that you don't trust from sending emails on behalf of your domain. Mail delivery process with SPF…
Look at the file system resize progress with resize2fs
lvextend -L +100G /dev/sda2 resize2fs -p /dev/sda2 -p option ---> Prints out a percentage completion bars for each resize2fs operation, so that the user can keep track of what the program is doing…
Python2.6 dependency for yum in CentOS 6, RHEL 6?
CentOS 6 ships with Python 2.6.6 and relies on that specific version. Take caution not to replace it, as 'yum' depends on Python2.6. It's best to compile and install a…