[CentOS] PXE configuration

2020-12-18 Thread Erick Perez - Quadrian Enterprises
centos7_x64_livecd_genome/isolinux/vmlinuz0 append initrd=centos7_x64_livecd_genome/isolinux/initrd0.img rootfstype=auto ro rd.live.image method=http://192.168.1.83/centos7_live/LiveOS/squashfs.img devfs=nomount -- - Erick Perez Quadrian Enterprises S.A. - Panama, Republica de Panama Skype

[CentOS] guidance on enabling 2FA at Linux GUI level

2020-10-09 Thread Erick Perez - Quadrian Enterprises
Hi all, running a machine with Centos 7.6 that already has a 2FA PAM- enabled module for SSH logins. Is there a document that talks about configuring Centos 7.6 default GUI (Gnome) to use 2fa with PAM? thanks, -- - Erick Perez Quadrian Enterprises S.A. - Panama, Republica

Re: [CentOS] Using CentOS 7 to attempt recovery of failed disk

2020-09-27 Thread Erick Perez - Quadrian Enterprises
thin that > megabyte is bad. > > I'm speaking from recent experience! > > Cheers > Tony > > -- > Tony Mountifield > Work: t...@softins.co.uk - http://www.softins.co.uk > Play: t...@mountifield.org - http://tony.mountifield.org > _______

Re: [CentOS] Using CentOS 7 to attempt recovery of failed disk

2020-09-26 Thread Erick Perez - Quadrian Enterprises
I will suggest using dmesg -w to monitor during dd the sector numbers that fail in order to skip them. Also, perhaps the timeout of each read error is killing you (default 30 seconds) and you may have thousands. On linux, /sys/block//device/timeout (such as /sys/block/sda/device/timeout) is the

Re: [CentOS] erasing a disk

2020-09-14 Thread Erick Perez - Quadrian Enterprises
___ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos > -- - Erick Perez Quadrian Enterprises S.A. - Panama, Republica de Panama Skype chat: eaperezh WhatsApp IM: +507-6675-5083 - ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

[CentOS] Opinions on storage options such as gateways or like-systems

2020-07-23 Thread Erick Perez - Quadrian Enterprises
Hi all, I'm looking for some comments regarding options related to storage. We have a number of Apache web servers (24) running on (24) Centos 7.x systems, fully patched running a sort of MySQL, Java and PHP applications. All as virtual machines on top of Vmware ESX. When the Apache/MySQL R/W

Re: [CentOS] Slow terminal response Centos 7.7 1908

2020-07-03 Thread Erick Perez - Quadrian Enterprises
г. 18:48:30 GMT+03:00, Erick Perez - Quadrian Enterprises < > epe...@quadrianweb.com> написа: > >It was found that the software NIC team created in Centos was having > >issues due to a failing network cable. The team was going berserk with > >up/down changes. >

Re: [CentOS] Slow terminal response Centos 7.7 1908

2020-07-03 Thread Erick Perez - Quadrian Enterprises
It was found that the software NIC team created in Centos was having issues due to a failing network cable. The team was going berserk with up/down changes. On Fri, Jul 3, 2020 at 10:12 AM Erick Perez - Quadrian Enterprises < epe...@quadrianweb.com> wrote: > Hey! > I have a stran

[CentOS] Slow terminal response Centos 7.7 1908

2020-07-03 Thread Erick Perez - Quadrian Enterprises
Hey! I have a strange condition in one of the servers that I don't where to start looking. I login to the server via SSH (cant doit any other way) and anything that I type is slow HTTP sessions timeout waiting for screen redraw. So, the server is acting "slow". server is bare metal. no virtual

Re: [CentOS] firewall questions

2020-06-21 Thread Erick Perez - Quadrian Enterprises
it as an excuse to reduce other > protections you may have. > > P. > > > ___________ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos > -- - Erick Perez Quadrian Enterprise

Re: [CentOS] LUKS layer / best practice

2020-06-16 Thread Erick Perez - Quadrian Enterprises
mmendations? TRIM command fully supported through all layers etc? > > > > -- > > Leon > > ___ > > CentOS mailing list > > CentOS@centos.org > > https://lists.centos.org/mailman/listinfo/centos > > > _

Re: [CentOS] Jitsi Meet on CentOS 7 ?

2020-05-13 Thread Erick Perez - Quadrian Enterprises
Hi, see my answers below. On Tue, May 12, 2020 at 7:41 PM H wrote: > On 05/05/2020 04:43 AM, Erick Perez - Quadrian Enterprises wrote: > > Benson, no SELINUX was not enabled. The instance was selected without it > > just to make things easier. > > I do no

Re: [CentOS] Jitsi Meet on CentOS 7 ?

2020-05-05 Thread Erick Perez - Quadrian Enterprises
Benson, no SELINUX was not enabled. The instance was selected without it just to make things easier. I do not have a pull request for the installation manual yet. On Tue, May 5, 2020 at 1:21 AM Benson Muite wrote: > > On Mon, May 4, 2020, at 10:38 PM, Erick Perez - Quadrian Enterprises

Re: [CentOS] Jitsi Meet on CentOS 7 ?

2020-05-04 Thread Erick Perez - Quadrian Enterprises
; Site : https://www.microlinux.fr > Mail : i...@microlinux.fr > Tél. : 04 66 63 10 32 > Mob. : 06 51 80 12 12 > ___ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos > --

Re: [CentOS] Understanding VDO vs ZFS

2020-05-04 Thread Erick Perez - Quadrian Enterprises
:33:33 AM GMT+03:00, Erick Perez - Quadrian Enterprises < > epe...@quadrianweb.com> wrote: > >sorry corrections: > >For this test I created a 40GB lvm volume group with /dev/sdb and > >/dev/sdc > >then a 40GB LV > >then a 60GB VDO vol (for testing purposes) &

Re: [CentOS] Understanding VDO vs ZFS

2020-05-02 Thread Erick Perez - Quadrian Enterprises
cat /etc/centos-release 63 history [root@localhost vdomounts]# On Sat, May 2, 2020 at 10:07 PM Erick Perez - Quadrian Enterprises < epe...@quadrianweb.com> wrote: > My two cents: > 1- Do you have an encrypted filesystem on top of VDO? If yes, you will see > no benefit from

Re: [CentOS] Understanding VDO vs ZFS

2020-05-02 Thread Erick Perez - Quadrian Enterprises
My two cents: 1- Do you have an encrypted filesystem on top of VDO? If yes, you will see no benefit from dedupe. 2- can you post the stats of vdostats –verbose /dev/mapper/x (replace with your device) you can do something like: "vdostats -verbose /dev/mapper/ | grep -B6 'save

Re: [CentOS] CentOS 8 on USB disk

2020-01-29 Thread Erick Perez - Quadrian Enterprises
That happened to me several times My USB was "burned" and never displayed new data copied to it. By "burned" I mean the flash drive was faulty up to a point where it always showed a phantom image of what WAS in the pen drive. But YMMV On Wed, Jan 29, 2020, 11:56 AM J Martin Rushton via CentOS <

Re: [CentOS] KVM Random Reboots AMD EPYC Server

2020-01-01 Thread Erick Perez - Quadrian Enterprises
l: i...@internet-xs.de > > www.internet-xs.de > > ___ > > CentOS mailing list > > CentOS@centos.org > > https://lists.centos.org/mailman/listinfo/centos > > > > > ___ >

Re: [CentOS] Disabling TLS 1.1 in Centos 7 cockpit

2019-12-27 Thread Erick Perez - Quadrian Enterprises
ith you and it was a great learning experience! On Fri, Dec 27, 2019 at 6:43 PM Erick Perez - Quadrian Enterprises wrote: > > Sure did! > I am even playing with different options (including NONE) and it seems > to ignore the contents of ssl.conf > > I have tried > Environment=G_TLS_GNUTLS_PRI

Re: [CentOS] Disabling TLS 1.1 in Centos 7 cockpit

2019-12-27 Thread Erick Perez - Quadrian Enterprises
On Fri, Dec 27, 2019 at 5:18 PM Jonathan Billings wrote: > > On Dec 27, 2019, at 16:28, Erick Perez - Quadrian Enterprises > wrote: > > > > [root@cockpit ~]# cat /etc/systemd/system/cockpit.service.d/ssl.conf > > Environment=G_TLS_GNUTLS_PRIORITY=NORMAL:-VERS-SSL3.

Re: [CentOS] Disabling TLS 1.1 in Centos 7 cockpit

2019-12-27 Thread Erick Perez - Quadrian Enterprises
c/system/system/cockpit.service.d/ssl.conf and putting this > in it: > > [Service] > Environment=G_TLS_GNUTLS_PRIORITY=NORMAL:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1 > > Then > > systemctl daemon-reload > systemctl restart cockpit > > Cheers, > > Phil > &

[CentOS] Disabling TLS 1.1 in Centos 7 cockpit

2019-12-26 Thread Erick Perez - Quadrian Enterprises
Hi, I'm using cockpit in standard port 9090 in a Centos 7 system. Due to a suggestion from management, they want TLS 1.1 disabled system-wide in all Linux boxes and TLS 1.2 enabled. I have not found proper documentation on how to disable it for cockpit (version 195.1 ships with Centos 7) So far

[CentOS] Place to run script command for all user/sessions

2019-11-16 Thread Erick Perez - Quadrian Enterprises
Hi all, I would like to record user commands in terminal mode for remote supporters. I currently do that with the command "script - make typescript of terminal session". So far so good as long as I run a combo os screen/script at the command prompt, allow remote worker to control screen session

Re: [CentOS] C8: Wayland Session / Cut and Paste

2019-11-07 Thread Erick Perez - Quadrian Enterprises
I am going to check on that as well because I'm using Fedora 31/wayland as desktop and I experienced the same behavior On Thu, Nov 7, 2019, 3:13 PM Leon Fauster via CentOS wrote: > Is this the normal behavior now? Cutting text in gedit and pasting it > into the terminal needs that the source

Re: [CentOS] UEFI booting

2019-09-19 Thread Erick Perez - Quadrian Enterprises
On Thu, Sep 19, 2019 at 6:43 AM Jerry Geis wrote: > > I installed my first UEFI disk yesterday. Seemed to go fine. CentOS 7.6 > x86_64 > I then took that disk "out" of that machine and put it another machine - it > seems to not even boot. > I put the original disk back in that machine and it

Re: [CentOS] File server as host for a Windows Server VM?

2019-09-14 Thread Erick Perez - Quadrian Enterprises
I did that kind of in the past. Now I dont because I have plenty of resoruces available. But. So far you have not provided stats on server usage (cpu,ram) over a 24hour or 7 day 8am-5pm timeframe. So I will asume you have plenty of usage/performance to spare. I suggest you to -if possible-

Re: [CentOS] NFS Server on Centos 7.6.1810 dying without reason

2019-08-30 Thread Erick Perez - Quadrian Enterprises
tos/root rd.lvm.lv=centos/swap rhgb quiet LANG=en_US.UTF-8 skew_tick=1 Aug 30 14:38:29 hvmnas01 kernel: e820: BIOS-provided physical RAM map: - Erick Perez - On Fri, Aug 30, 2019 at 11:27 AM Erick Perez - Quadrian Enterprises wrote: > > Good morning, &

[CentOS] NFS Server on Centos 7.6.1810 dying without reason

2019-08-30 Thread Erick Perez - Quadrian Enterprises
Good morning, in order to post proper documentation, what logs (or log level) do I need to troubleshoot a Centos 7.6.1810 3.10.0-957.27.2.el7.x86_64 tha tis running a NFS server on top LVM on top of XFS on top of VDO on top of MDAM on a 6 SSD disk RAID6 ? This physical NFS server is servign 2 NFS