Activities

March 2012
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CentOS : Extending default memory limit

One of the CentOS box is not identified the exact RAM which had up-graded to 4GB. We are using CentOS 5.3 version. As a quick fix for this solution is to install new kernel which support PAE (Physical Address Extension) is a feature to allow (32-bit) x86 processors to access a physical address space (including [...]

Linux : Configuring secure sftp server

As we all know, most system users can have sftp access to Linux box by default along with ssh access. So that we can transfer the files securely over it.

But the real headache of this system is, all the users can access any of system files and also has shell access to the server [...]

Dovecot error : ERR Plaintext authentication disallowed on non-secure (SSL/TLS) connections

You will see this error once after you configured sql based mail server based on my documentation and configure it’s account on any of MUA like Outlook or Thuderbird etc.

Open Dovecot op3/IMAP config file and change the line to “disable_plaintext_auth = no”.

[root@mail ~]# vi /etc/dovecot/dovecot.conf [root@mail ~]# vi /etc/dovecot/conf.d/10-auth.conf [root@mail ~]# service [...]