[CentOS] odd popups

2018-07-20 Thread Fred Smith
Occasionally and without any action on my part, I get a popup saying I need to authenticate in order to read others' actions. I have no clue what this is for, so I always reject them. Anyone got a clue? Image attached. -- Fred Smith -- fre...@fcshome.stoneham.ma.us

[CentOS] Centos 7 - Canon Powershot A410

2018-07-20 Thread Frank Cox
I have an old Canon Powershot A410 camera that used to just work with Centos 6. All I had to do was install Shotwell and forever after I could just plug that camera in and Shotwell would automatically load and all was well. I'm now trying to get that camera to work on Centos 7, but am having no

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Valeri Galtsev
On 07/19/18 09:14, Johnny Hughes wrote: On 07/18/2018 04:05 PM, Valeri Galtsev wrote: On 07/18/18 14:36, Johnny Hughes wrote: On 07/18/2018 01:58 PM, Valeri Galtsev wrote: But are you guys really telling you think the calendaring / scheduling for individual users and the main

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Keith Keller
On 2018-07-20, Nicolas Kovacs wrote: > Le 20/07/2018 à 07:44, Keith Keller a écrit : >> A public SMTP server is not the easiest thing to configure, period. >> It is the quintessential rope on which many admins hang themselves. > > It's not rocket science either, but you have to be willing to

Re: [CentOS] Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

2018-07-20 Thread Alexander Dalloz
Am 20.07.2018 um 19:18 schrieb Turritopsis Dohrnii Teo En Ming: Dear Richard Grainger, I am grateful for your reply and guidance. After reading the following article at nginx.com, I realize that I should use a reverse proxy instead of a load balancer. Article: WHAT IS A REVERSE PROXY VS.

Re: [CentOS] Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

2018-07-20 Thread Turritopsis Dohrnii Teo En Ming
Seems like I can install nginx on a virtual machine and port forward from my pfsense firewall to it, according to the following article. Article: Set up Nginx Reverse Proxy Link: https://www.techandme.se/set-up-nginx-reverse-proxy/ From: Turritopsis Dohrnii

Re: [CentOS] Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

2018-07-20 Thread Turritopsis Dohrnii Teo En Ming
Hi, Based on further research, it appears that Squid can only reverse proxy HTTP and HTTPs but NGINX is able to reverse proxy IMAP, POP3, and SMTP protocols. Please correct me if I am wrong. Thank you. ===BEGIN SIGNATURE=== Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at

Re: [CentOS] Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

2018-07-20 Thread Turritopsis Dohrnii Teo En Ming
Dear Richard Grainger, I am grateful for your reply and guidance. After reading the following article at nginx.com, I realize that I should use a reverse proxy instead of a load balancer. Article: WHAT IS A REVERSE PROXY VS. LOAD BALANCER? Link:

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Nicolas Kovacs
Le 20/07/2018 à 09:12, Promise Kumalo a écrit : > Just out of curiosity, why are you not using something like Kolab or > Zimbra? Don't know. Never tried these, because I'm comfortable with Postfix, Dovecot and Spamassassin. I might give these a spin though. Thanks for the heads up. Niki --

Re: [CentOS] database node / possible SYN flooding on port 3306

2018-07-20 Thread Nataraj
On 07/20/2018 03:56 AM, Leon Fauster via CentOS wrote: > Hi folks, > > I have here a database node running > > # rpm -qa | grep mysql-server > mysql55-mysql-server-5.5.52-1.el6.x86_64 > > on > > # virt-what > vmware > > > that seems to have a connection problem: > > # dmesg |grep SYN |tail -5 >

Re: [CentOS] Is there any way I can deploy cPanel web hosting control panel with Microsoft Exchange 2016 groupware behind one static public IP?

2018-07-20 Thread Richard Grainger
You can use bind your cPanel web server to a different port or (better) you can put your services behind a reverse proxy/load balancer. In this scenario, for web servers running on the standard ports (ie TCP 80 and 443), you can use HTTP host headers/SNI to redirect requests to the appropriate

Re: [CentOS] bad text under KDE and C7

2018-07-20 Thread Michael Hennebry
On Tue, 17 Jul 2018, Pete Biggs wrote: Check your hardware - all these things might well be symptomatic of an hardware issue. I'm not at all sure how. If it means opening the case, hardware issues are likely to occur. Is there a way to tell whether the video player is even using video

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Dave Stevens
On Thu, 19 Jul 2018 09:57:22 -0500 Valeri Galtsev wrote: > > As far as google anything goes, not everybody volunteers one's > information into paws of google (and quite likely one or more of 3 > letter agencies collecting information that way). I know (call it > educated guess) that about

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread James B. Byrne via CentOS
On Thu, July 19, 2018 10:57, Valeri Galtsev wrote: > > . . . you don't need to recruit spies anymore, just roll out "free" > services, and information will trickle to you. I am old enough to know > what collection of information on everybody leads to (Hitler Germany, > Stalin Russia, ...), but

[CentOS] database node / possible SYN flooding on port 3306

2018-07-20 Thread Leon Fauster via CentOS
Hi folks, I have here a database node running # rpm -qa | grep mysql-server mysql55-mysql-server-5.5.52-1.el6.x86_64 on # virt-what vmware that seems to have a connection problem: # dmesg |grep SYN |tail -5 possible SYN flooding on port 3306. Sending cookies. possible SYN flooding on port

Re: [CentOS] CentOS 7 + MATE : Folder contents not refreshed in file manager

2018-07-20 Thread Nicolas Kovacs
Le 13/07/2018 à 21:57, Liam O'Toole a écrit : > What do you see in /proc/sys/fs/inotify/max_user_watches? If you > increase the value, does the problem persist? I investigated this, and indeed, it solved my problem. I wrote a little blog article to summarize my findings and put you in the Thank

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Promise Kumalo
Just out of curiosity, why are you not using something like Kolab or Zimbra? On 07/20/2018 02:44 AM, Nicolas Kovacs wrote: > Le 18/07/2018 à 17:04, Turritopsis Dohrnii Teo En Ming a écrit : >> One of the features of Microsoft Exchange 2016 is that you can create >> additional folders on your

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Nicolas Kovacs
Le 20/07/2018 à 07:44, Keith Keller a écrit : > A public SMTP server is not the easiest thing to configure, period. > It is the quintessential rope on which many admins hang themselves. It's not rocket science either, but you have to be willing to read (a lot) and experiment (a lot). In France

Re: [CentOS] Which is better? Microsoft Exchange 2016 or Linux-based SMTP Servers?

2018-07-20 Thread Keith Keller
On 2018-07-19, Nicolas Kovacs wrote: > I'd say mail > servers are not the easiest thing to configure under Linux. A public SMTP server is not the easiest thing to configure, period. It is the quintessential rope on which many admins hang themselves. --keith --