How upgrade Exim 4.90 to 9.95? - upgrade

As you know, Exim version 4.90_1 #2 has critical vulnerabilities, and I am concerned about upgrading it since I run a very important mail server on it.
How can it be upgraded without any problems?
Would you be able to recommend the best method for upgrading it?
Thanks in advance.
It was not possible for me to install version Exim 4.90 properly. When I tried to test in this environment, I was not able to do so. As a result, I decided to directly upgrade it to Exim 4.95 or higher.

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mongodb 3.6 on FreeBSD 11.1 tools missing?

On FreeBSD with mongodb 3.6 I need to tansfer a mongodb database to another server. But I can't find the respective package or port. Ther is neiteher a mongodb36-tools package or port.
It seems like the port for mongodb36-tools has a bug and is therefore taken off the ports repo.
Can anyone confirm this? I there a workaround?
It looks like the mongodb36-tools port is about to be added to the ports tree. Here's an issue on the FreeBSD Bugzilla.
You may either ping people on Bugzilla if they are working on merging it or use the submitted patch and compile the port on your own. I guess the best idea is to ask about the state of affairs on Bugzilla.
Also, remember that you'll need to switch to the latest branch in pkg(8) in order to get the latest packages.

Intall php5.2 on WHM 58 Cpanel EasyApache 4

I needs to install php5.2 version on my server. Right now php 5.4 is the oldest version installed. Since 2 days. I searched a lot over google but didn't find appropriate guidance yet. Tried a lot of tutorials no works at all. Any suggestion or guidance will be appreciated. thanks
I don't think there is any proper or easy way to revert to php-5.2.x from php-5.4.x; at least not using WHM interface or as an automatic process. Even if you have EasyApache3 you will not be able to downgrade from php-5.4.x to php-5.2.x
Your only option might be CloudLinux which comes with a php selector which allows you to select any php version from php-5.1.x to php-7.x.
You must know that Cloudlinux is not free and the license is around $10/month. They offer a 15 day trial so if you do all the necessary setting within that period you can just use it as much as you want. You won't be able to update it though and some of the functionality might not work as expected after the trial ends.
The PHP versions that you have mentioned are completely outdated and using them would be risky. Cpanel is never going to support it with their newer version. So your best deal would be to update your application/website to latest PHP and host with the latest PHP only

how to install bind 9.9.8 or higher on CentOS 5.8

I am running a web server based on CentOS 5.8 and I need to upgrade my version of bind to make it PCI compliant. I'm currently running bind 9.3.6 and I need to have bind 9.9.8 or higher. I've tried yum update bind but apparently I already have the latest version according to yum. I did some Googling and I found an RPM file bind-9.10.2-1.el5.i686.rpm which looks like it would work but i don't know if it should try installing it or not. I think I would need bind-devel and bind-libs which I can get from the same site. Am I better off compiling from source? I know CentOS 5 is old but I'm trying to avoid reinstalling the whole server.
Installing binary rpm's from later versions of CentOS is unlikely to work: there are many changes since CentOS5.
Rebuilding a src.rpm locally is one way to see what issues there are.
Meanwhile, upgrading to CentOS6 (at least: CentOS7 uses systemd which takes some study) is often not a whole lot more effort than retrofitting something like bind, and will have other efficiencies. YMMV, everyone's does.

Redmine 'mentions' plugin stopped working

I've installed the Redmine Mentions plugin from:
https://github.com/arkhitech/redmine_mentions
And it worked perfect until a few days. I couldn't find helpful information on the internet and the author didn't reply as well so It'd be great if someone could advise on this one.
No changes took place on the server, no config modifications...and suddenly the mention 'trigger' (which is currently '#') isn't working.
I've tried to restart, reinstall and reconfig the trigger but none of these solved the issue.
Here's a little bit of info on the system:
Environment:
Redmine version 2.4.2.stable
Ruby version 1.9.3-p484 (2013-11-22) [x86_64-linux]
Rails version 3.2.16
Environment production
Database adapter Mysql2
Please advise,
Much appreciated!
Thanks,
Talbion.
OK, I've eventually managed to fix this by removing a plugin called 'a_common_libs' which was a dependency for another plugin that's been installed on the server - 'Usability plugin'. At first I uninstalled the Usability plugin (our redmine version 2.4 wasn't supported by this plugin) but that didn't solve the 'mentions' issue. Later I've decided to uninstall it's dependency as well...and it looks good.
(btw, for whoever is curious about the uninstallation process - it consisted of MOVING the plugin folder and restarting Redmine. That's it).
So...I don't know exactly how both plugins are related but somehow the removal of the common libraries fixed mentions.
Thanks again for your help.
Talbion.

Update Centos Machine 5.10 to 6.5

I want to update my dedicate Centos Machine, which installed WHM. I want to know that if I do update the OS, there any changes on WHM. Like any default Setting changed? or any other Problems.
So please suggest me that right way of update Centos without any problems, because many websites hosted on this Server.
Thanks
Pankaj Gupta
Pankaj, because there are many changes in a major CentOS release you cannot upgrade from 5.10 to 6.5. You need to put together a migration plan. First install CentOS 6.5 on another server, configure httpd and php/passenger/whichever and test that each hosted website is working properly. Then you can reinstall and reconfigure everything.
Give CentOS 7 a try.
Upgrading is not possible and even if you try around doing some search you will end up wasting lot of time by fixing the dependency related errors etc. So its always better and safe to do a fresh install of CentOS 6.5 and then migrate the sites.