[CentOS] chronyd configuration as a local ntp server

2016-12-26 Thread Robert Moskowitz
This is for centos 7 that has chronyd 2.1.1 I am looking into how to use chronyd as my local ntp server. On my old servers with ntpd I had local access control lines like: restrict 192.168.128.0 mask 255.255.255.0 nomodify notrap But in looking for documentation on chronyd I did not find anyt

Re: [CentOS] Centos7.3-Mate

2016-12-26 Thread Alice Wonder
On 12/26/2016 07:48 AM, johan.vermeul...@telenet.be wrote: Hello All, I have this problem starting Centos7.3 - the official name escapes me at the moment. I often install Centos7 Minimal, then X Window System, then Mate desktop. This last step gives me trouble, and I have to run # yum groupinst

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread John R Pierce
On 12/26/2016 3:31 AM, geo.inbox.ignored wrote: fine looking box. oem, model? thats a SuperMicro SC846 storage server chassis (36 x 3.5" SAS drives in a 4U) with a dual xeon x5650 motherboard. I just used the picture cuz I had it handy and its typical of a rack mount server, big array of fa

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread H
On December 25, 2016 2:49:25 AM EST, "geo.inbox.ignored" wrote: > > >On 12/24/2016 10:25 PM, John R Pierce wrote: ><> > >> he said 'server rack'.thats a probably 6' tall cabinet filled >with >> servers, each of which has likely dozens of high speed fans. >> >}} > >true. i was thinking 'old s

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread H
On December 24, 2016 4:50:58 PM EST, John R Pierce wrote: >On 12/24/2016 1:43 PM, H wrote: >> Has anyone come across a device that could cancel out the noise from >servers, ie. the fan noise? I have a server rack near my office and >would like to see if i can decrease the noise level. It would se

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread Valeri Galtsev
On Mon, December 26, 2016 9:51 am, Valeri Galtsev wrote: > > On Mon, December 26, 2016 12:16 am, geo.inbox.ignored wrote: >> >> >> On 12/25/2016 09:25 PM, Always Learning wrote: >>> On Sun, 2016-12-25 at 13:38 -0600, geo.inbox.ignored wrote: On 12/25/2016 11:53 AM, Mark Woolfson (Notebook) w

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread Valeri Galtsev
On Mon, December 26, 2016 12:16 am, geo.inbox.ignored wrote: > > > On 12/25/2016 09:25 PM, Always Learning wrote: >> On Sun, 2016-12-25 at 13:38 -0600, geo.inbox.ignored wrote: >>> On 12/25/2016 11:53 AM, Mark Woolfson (Notebook) wrote: If the server decision makers had not gone for a server

[CentOS] Centos7.3-Mate

2016-12-26 Thread johan . vermeulen7
Hello All, I have this problem starting Centos7.3 - the official name escapes me at the moment. I often install Centos7 Minimal, then X Window System, then Mate desktop. This last step gives me trouble, and I have to run # yum groupinstall mate --skip-broken output: skipped packages: Netw

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread Valeri Galtsev
On Mon, December 26, 2016 12:22 am, geo.inbox.ignored wrote: > > > On 12/25/2016 09:45 PM, Luigi Rosa wrote: > <<>> > >> The other kind of server is sold both in "tower" and rack form factor; I personally do not consider these tower machines put sideways rackmount servers. Such tower machine is u

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread Valeri Galtsev
On Mon, December 26, 2016 12:31 am, John R Pierce wrote: > On 12/25/2016 10:22 PM, geo.inbox.ignored wrote: >> there is a very easy way to change fix to variable speed. BTDT. > > in a rack server with arrays of fans in hotswap sliders inside the > server that plug directly into the power distribut

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread Luigi Rosa
geo.inbox.ignored wrote on 26/12/2016 07:22: not totally true. there is a very easy way to change fix to variable speed. BTDT. 1U and 2U HP/Dell servers use variable speed fans, you hear them at full speed when you power the server on. The problem is that the noise of an "idle" 1U or 2U se

Re: [CentOS] Noise Cancellation of Server Noise

2016-12-26 Thread geo.inbox.ignored
On 12/26/2016 12:31 AM, John R Pierce wrote: > On 12/25/2016 10:22 PM, geo.inbox.ignored wrote: >> there is a very easy way to change fix to variable speed. BTDT. > > in a rack server with arrays of fans in hotswap sliders inside the > server that plug directly into the power distribution board?