[CentOS] Transparent Squid and FirewallD : fine-tuning question

2020-05-09 Thread Nicolas Kovacs
Hi, I just setup a very basic HTTP proxy with Squid on a router running CentOS 7. Up until early 2020 I've been using a bone-headed shell script with iptables to configure my firewall. But I decided to follow advice from a few gurus on this list, and I've since moved my configurations to Firewall

Re: [CentOS] CentOS 8 and xvidtune and Nouveau

2020-05-09 Thread Nicolas Kovacs
Le 09/05/2020 à 15:56, Jerry Geis a écrit : > Also trying to get Nouveau to be a higher resolution than 1024x768. I > found the wiki, but adding video= to the kernel command line and regen grub > did not do anything. Other documentation there seemed OLD. > > Anyone know how to correctly get Nouv

Re: [CentOS] Zoom....

2020-05-09 Thread Nicolas Kovacs
Le 09/05/2020 à 22:02, mark a écrit : >    Updated CentOS 7 the other day. Updated zoom last night. Ancient (15 yr > old) > USB camera, Logitech QuickCam Express. > >    If I run LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so cheese, I get video. > Zoom, with or without the LD_PRELOAD - no video. I'

Re: [CentOS] Zoom....

2020-05-09 Thread Nicolas Kovacs
Le 10/05/2020 à 01:41, Liam O'Toole a écrit : > I recommend installing zoom from flatpak: > > https://flathub.org/apps/details/us.zoom.Zoom > > It will pull in the freedesktop runtime, which contains the required > libraries. No need to fiddle with LD_PRELOAD and the like. +1 on that. I've just

Re: [CentOS] Can't move to Centos 8

2020-05-13 Thread Nicolas Kovacs
Le 13/05/2020 à 22:30, MAILIST a écrit : > I run CentOS 7 in production, but use Ubuntu for my development desktop. > Ubuntu is much more geared to desktop, but I would not use it in a server > environment. Similar setup here, with CentOS 7 on production servers, and OpenSUSE Leap on all desktop c

[CentOS] Postfix restrictions

2020-06-07 Thread Nicolas Kovacs
Hi, I'm currently fine-tuning my mail server (Postfix and Dovecot on CentOS 7). SPF, DKIM and DMARC work fine, now I'd like to limit the spam tsunami. Besides the official Postfix documentation, I've read a few articles about Postfix spam restrictions, namely these : https://www.linuxbabe.com/m

[CentOS] Minicom and Ncurses

2020-06-12 Thread Nicolas Kovacs
Hi, I have to do some maintenance on a CentOS 7 proxy installed on a routerboard without a video card. The only way to access this machine directly is via Minicom and serial port. I'm using NetworkManager TUI (nmtui) to configure network interfaces, but Ncurses rendering in Minicom works in the s

Re: [CentOS] Minicom and Ncurses

2020-06-12 Thread Nicolas Kovacs
Le 12/06/2020 à 17:48, isdtor a écrit : > Might be a long shot - try export LANG=C. Spot on. That did the trick. Thanks very much ! -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Blog : https://blog.microlinux.fr Mail : i

[CentOS] Blog article about the state of CentOS

2020-06-17 Thread Nicolas Kovacs
Hi, I just read this blog article from austrian Linux expert Michael Kofler. For those among you who don't know the guy, he's my home country's number one Linux expert (known as "der Kofler") and most notably the author of a series of excellent books about Linux over the last 25 years. https://ko

Re: [CentOS] Can't access Squirrelmail on Centos 8

2020-06-19 Thread Nicolas Kovacs
Le 18/06/2020 à 22:11, Jay Hart a écrit : > I got squirrelmail installed The SquirrelMail project has been dead for years now. Don't use it. Suggestion : Roundcube. Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlin

[CentOS] Bootable USB keys : which brand ?

2020-06-19 Thread Nicolas Kovacs
Hi, In my daily work I'm mainly using USB keys for work : one with CentOS 7, one with OpenSUSE Leap 15.1, one with Slax Live for data recovery purposes, one with Ghost4Linux and one with FreeDOS which I use for flashing the odd BIOS. Last week I bought a set of three flashy colored USB keys in a

Re: [CentOS] Bootable USB keys : which brand ?

2020-06-19 Thread Nicolas Kovacs
Le 19/06/2020 à 17:01, Johnny Hughes a écrit : > dd if=./ of=/dev/sd bs=4M status=progress > > Where 'of=' is the device // make sure NOT to use a separate partition > (so /dev/sdb and not /dev/sdb1, but the whole device when copying the > install isos. I'm positive that the problem here is *not

Re: [CentOS] Blog article about the state of CentOS

2020-06-19 Thread Nicolas Kovacs
Le 19/06/2020 à 17:29, Johnny Hughes a écrit : > How is this going to be fixed .. Welcome to CentOS Stream > > Stream will be , once it is fully implemented, the ACTUAL development of > RHEL the 'next point release' on git.centos.org in the open. > > It will be a rolling distro that is GOING to b

Re: [CentOS] what's the advantage of NetworkManager for server?

2020-06-29 Thread Nicolas Kovacs
Le 29/06/2020 à 10:34, d tbsky a écrit : > Hi: >I always use network-scripts to start network at EL7. > NetworkManager is not as good as network scripts under that OS. > > but now EL8 said that network-scripts is depreciated. I wonder if > I should still use network-scripts to start netwo

Re: [CentOS] Fixing grub/shim issue Centos 7

2020-08-03 Thread Nicolas Kovacs
Le 03/08/2020 à 19:24, david a écrit : > After trying several paths, some suggested on this list, here's my results. Hi, Just back from a hiking trip. One of my clients sent me a message that his CentOS server refuses to boot. So tomorrow I have to drive there to figure out what's going on. I gue

Re: [CentOS] Fixing grub/shim issue Centos 7

2020-08-06 Thread Nicolas Kovacs
Le 04/08/2020 à 08:31, lpeci a écrit : > I had the same problem with my UEFI bios machine and I fixed it so for Centos > 7: > > 1) Boot from an rescue linux usb > > 2) When the rescue system is running: > >     2.1) #chroot /mnt/sysimage > > 3) Config network: > >     3.1) # ip addr add X.X.X

Re: [CentOS] Fixing grub/shim issue Centos 7

2020-08-06 Thread Nicolas Kovacs
Le 06/08/2020 à 16:53, Kenneth Porter a écrit : > A practical equivalent is simply to avoid applying updates for a week to see > if > someone else gets burned by them. I'm already waiting for a weekend so I don't > disrupt work in case a catastrophe happens, and I wait at least a week and > watch

Re: [CentOS] Fixing grub/shim issue Centos 7

2020-08-07 Thread Nicolas Kovacs
Le 07/08/2020 à 09:40, Alessandro Baggi a écrit : > Probably many users have not updated their machines between the bug release > and > the resolution (thanks to your fast apply in the weekend, thank you) and many > update their centos machines on a 2 months base (if not worst). I think also > tha

Re: [CentOS] Fixing grub/shim issue Centos 7

2020-08-07 Thread Nicolas Kovacs
Le 07/08/2020 à 11:01, Johnny Hughes a écrit : > > Microsoft, Debian, Ubuntu and others also had issues with this .. so if > you are losing trust, you are losing it with all OS vendors WRT this issue. > > All I can say is .. this issue was the hardest thing I have been > involved with since star

[CentOS] Reset booleans to default value ?

2020-08-07 Thread Nicolas Kovacs
Hi, Here's a list of all the booleans I tweaked on my server running CentOS 7: $ sudo cat /etc/selinux/targeted/active/booleans.local # This file is auto-generated by libsemanage # Do not edit directly. named_write_master_zones=0 httpd_can_sendmail=1 httpd_unified=1 ftpd_full_access=1 httpd_can_

[CentOS] Docker container isolation not working in CentOS 7

2020-08-10 Thread Nicolas Kovacs
Hi, I've decided to use these summer holidays to wrap my head around Docker and its quirks. Spent the last couple weeks working through a Udemy tutorial and a thick book about Docker, and I have Docker CE installed on two machines: * my workstation running OpenSUSE Leap 15.1 * a public sandb

Re: [CentOS] Docker container isolation not working in CentOS 7

2020-08-10 Thread Nicolas Kovacs
Le 10/08/2020 à 15:10, Nicolas Kovacs a écrit : > Now IN THEORY "webserver3" shouldn't be able to communicate with the > "webserver1" and "webserver2" containers. > > But here's what happens IN PRACTICE (and only on CentOS 7): > >

Re: [CentOS] Docker container isolation not working in CentOS 7

2020-08-10 Thread Nicolas Kovacs
Le 10/08/2020 à 17:03, Roberto Ragusa a écrit : > Where is your docker coming from? From the CentOS repository on Docker.com: $ head -n 7 /etc/yum.repos.d/docker-ce.repo [docker-ce-stable] name=Docker CE Stable - $basearch baseurl=https://download.docker.com/linux/centos/7/$basearch/stable enable

Re: [CentOS] Install OpenVAS on CentOS Linux release 8.2.2004 (Core)

2020-08-12 Thread Nicolas Kovacs
Le 11/08/2020 à 17:42, Kaushal Shriyan a écrit : > I am running CentOS Linux release 8.2.2004 (Core). Are there any > instructions to install OpenVAS for CentOS Linux release 8.2.2004 (Core)? > > Thanks in advance and I look forward to hearing from you. For what it's worth, here's my archived blo

[CentOS] Docker swarm service misconfigured in FirewallD / CentOS 7

2020-08-13 Thread Nicolas Kovacs
Hi, I'm currently fiddling with Docker Swarm on three sandbox servers running CentOS 7. Unfortunately I couldn't get even the most basic configuration running. After some experimenting and investigating, it turns out there's a problem with FirewallD. Here's what I did first on every single node.

Re: [CentOS] Where can CentOS7 yum-cron logs be found?

2020-08-17 Thread Nicolas Kovacs
Le 17/08/2020 à 10:49, Gunnar Niels a écrit : > I'm trying to setup two CentOS7 systems with automatic security updates to run > as my kubernetes nodes. I've also centralized all my outgoing mail through my > mailgun service, so I've been using the cli tool "mailx", which I have > configured > wit

Re: [CentOS] Where can CentOS7 yum-cron logs be found?

2020-08-17 Thread Nicolas Kovacs
Le 18/08/2020 à 03:00, Gunnar Niels a écrit : > I'm asking where the results of the yum-cron job are actually written to so > I can see what it did. Well, that's your answer. Here's the content of an email sent by Yum-Cron. So you everything that happened under the hood: The following updates wil

[CentOS] "Not using downloaded epel/repomd.xml"

2020-09-12 Thread Nicolas Kovacs
Hi, I'm regularly getting spammed by my own servers, with the following message: /etc/cron.hourly/0yum-hourly.cron: Not using downloaded epel/repomd.xml because it is older than what we have: Current : Sat Sep 12 19:05:04 2020 Downloaded: Thu Sep 10 19:12:19 2020 How can I make this nonse

Re: [CentOS] "Not using downloaded epel/repomd.xml"

2020-09-13 Thread Nicolas Kovacs
Le 13/09/2020 à 14:12, m...@tdiehl.org a écrit : > I too see this regularly. yum clean metadata stops it for a while. I am not > sure if it is a problem with the way epel metadata is generated or just out > of date mirrors. I occasionally see it with other repos but it happens with > epel far more

[CentOS] Mail server troubles

2020-10-08 Thread Nicolas Kovacs
Hi, This is probably a bit OT, but here goes. I've been running our local school's mail server since 2013, with mail addresses for school staff and some teachers. The server is running CentOS 7 with Postfix and Dovecot, and it's a nice no-bullshit configuration with SPF, DKIM and DMARC. The scho

Re: [CentOS] dnsmasq centos 7

2020-10-31 Thread Nicolas Kovacs
Le 31/10/2020 à 14:17, Jerry Geis a écrit : > HI I setup dnsmasq on my computer. I tested with an entry in /etc/hosts for > laptop.w530 > > I tested with "host laptop.w530" and I get unresolved (expected). > If I add "nameserver 192.168.1.8" (my computer) to top of /etc/resolv.conf > and do "host

Re: [CentOS] dnsmasq centos 7

2020-11-03 Thread Nicolas Kovacs
Le 01/11/2020 à 22:21, Jerry Geis a écrit : > Thanks All for the suggestions. > I was still using iptables - not firewalld - I did miss the UDP port 53. > That was my issue. Your mileage may vary, but usually when I fiddle with a new service that I don't know well, I start out by disabling the fir

[CentOS] Style Guide for ASCII Text Documents ?

2020-11-05 Thread Nicolas Kovacs
Hi, Can anyone on this list recommend a good style guide for formatting technical documentation (HOWTOs related to CentOS servers) using ASCII text only ? Markdown and/or AsciiDOC are *not* an option, since these documents should be easily readable in a text console. Cheers from the sunny South

[CentOS] Password manager for the command line ?

2020-11-23 Thread Nicolas Kovacs
Hi, On my workstation and my laptop I'm using KeePassXC to store login credentials for my websites. The database is stored in my OwnCloud share, so it's synchronized between my two computers. Ideally I'd like to have something similar for my servers, but command-line driven. I know these tools ex

Re: [CentOS] Password manager for the command line ?

2020-11-23 Thread Nicolas Kovacs
Le 23/11/2020 à 14:37, Greg Bailey a écrit : > I've been using "yapet" for quite awhile:  https://yapet.guengel.ch/ > > It's already packaged in EPEL. > > The password store is in a single file so it's easy to copy between servers.  > It's a curses interface vs. CLI, though... Thank you very muc

[CentOS] Emulate Ghost4Linux with standard Linux commands?

2020-11-27 Thread Nicolas Kovacs
Hi, I'm currently trying to solve a tricky problem, and I don't even know if it's possible. Let me describe the situation with a practical example. In my office I have a sandbox PC for testing various setups that can't be tested in a virtual machine. I'm using this machine to test various setups

Re: [CentOS] Emulate Ghost4Linux with standard Linux commands?

2020-11-28 Thread Nicolas Kovacs
Le 28/11/2020 à 08:13, Nicolas Kovacs a écrit : > Now here's the question. From within my live system, how could I compress > my system into a compact image and then send it to a distant FTP server? I'll answer this myself, since I just experimented and found a strikingly simple s

[CentOS] Anaconda : MBR vs. GPT

2020-11-28 Thread Nicolas Kovacs
Hi, I've always been a bit puzzled by the fact that Anaconda provides no option to manually create a partition table and specify if it's MBR or GPT. From what I can tell - at least under CentOS 7.x - Anaconda will default to MBR, even if I specify a BIOS Boot partition. Maybe it switches automati

Re: [CentOS] Anaconda : MBR vs. GPT

2020-11-28 Thread Nicolas Kovacs
Le 28/11/2020 à 18:58, Simon Matter a écrit : > I haven't a lot of experience here but I always thought the general rule > for boot disks is: classic BIOS -> MBR and UEFI -> GPT. After some more research, I think I found the definitive answer to the problem. It's a little bit more complicated. UE

[CentOS] Physical position of swap partition on the disk

2020-11-29 Thread Nicolas Kovacs
Hi, Here's a question to the fine-tuning gurus. Yesterday while installing a fresh CentOS server, I wondered how big of a deal the physical position of the swap partition on the disk is. Here's an example of a simple MBR partitioning scheme on a legacy BIOS machine with a 60 GB SSD: * /dev/sd

[CentOS] CentOS and mdadm

2020-12-01 Thread Nicolas Kovacs
Hi, I'm regularly using software RAID for my CentOS storage servers, either with RAID 1 or RAID 6 depending on the number of disks. Here's two questions about mdadm I've always been wondering about. 1. I'm not sure about the --metadata option. Let's say I want to create a simple RAID 1 setup, I'

[CentOS] EFI System Partition on RAID 1 array

2020-12-05 Thread Nicolas Kovacs
Hi, I'm currently writing a little documentation on how to install CentOS 7 on manually partitioned disks, e. g. boot in Rescue Mode first, partition using fdisk or gdisk, reboot, start the installer and use the installer to format these partitions. I have a total of 9 (3 x 3) situations: * si

Re: [CentOS] EFI System Partition on RAID 1 array

2020-12-05 Thread Nicolas Kovacs
Le 05/12/2020 à 13:47, Nicolas Kovacs a écrit : > # mdadm --create /dev/md/EFI --level=1 --raid-devices=2 \ > --metadata=1.2 /dev/sda1 /dev/sdb1 I'll answer that myself, since I just found the solution to my problem after searching for hours. Turns out the EFI partition needs to

Re: [CentOS] Setting up NIS on Centos 8

2020-12-06 Thread Nicolas Kovacs
Le 06/12/2020 à 16:35, Mark LaPierre a écrit : > > I've been told in the past that NIS should not be used because of some > supposed > security issues. > > Can someone site any authoritative documentation concerning the security > issues > extant in NIS? > > My plan is to set up NIS and NFS on

Re: [CentOS] https://blog.centos.org/2020/12/future-is-centos-stream/

2020-12-08 Thread Nicolas Kovacs
Le 08/12/2020 à 16:12, Johnny Hughes a écrit : > Another very good thing > > There is no longer a huge delay of a drop of 750 packages at once and a > delay of more than a month to get a new release. > > There will be on delay in stream .. it will be a constantly rolling > distribution .. updates

Re: [CentOS] https://blog.centos.org/2020/12/future-is-centos-stream/

2020-12-08 Thread Nicolas Kovacs
Le 08/12/2020 à 16:54, Marc Balmer via CentOS a écrit : > This really pisses me off. You published CentOS 8 with a promise to support > it until May 2029. > > Now you betray all users that took you by the mouth by stating it's EOL > december 31. 2021. > > Do you really think that was a smart mov

Re: [CentOS] https://blog.centos.org/2020/12/future-is-centos-stream/

2020-12-08 Thread Nicolas Kovacs
Le 08/12/2020 à 21:56, Johnny Hughes a écrit : > And, it will likely be sometime mid to late 1st quarter 2021 before > CentOS Stream is in its 'Fully Functional' state with community pull > requests and the RHEL package maintainer doing all the work in CentOS > Stream, etc . CentOS Linux 8 will st

Re: [CentOS] [CentOS-devel] https://blog.centos.org/2020/12/future-is-centos-stream/

2020-12-09 Thread Nicolas Kovacs
Le 09/12/2020 à 10:46, Andrea Biscuola a écrit : > CentOS was _always_ a best effort project done on a volunteer basis, if it > was stable enough to build a company on top of it, good! But always remember > that, in the end, you are getting what you paid for. Red Hat is a company built on top of a

Re: [CentOS] [CentOS-devel] https://blog.centos.org/2020/12/future-is-centos-stream/

2020-12-09 Thread Nicolas Kovacs
Le 09/12/2020 à 13:54, Ljubomir Ljubojevic a écrit : > But harsh fact remains that CentOS Linux, a free clone of RHEL, is being > slaughtered, and as far as I am concerned that "Stream" thingy can be > renamed to RHEL Stream because it has no resemblance to CentOS Linux I > know and love. CentOS s

Re: [CentOS] CentOS 8 Stream: The Good, The Bad, The Ugly

2020-12-09 Thread Nicolas Kovacs
Le 10/12/2020 à 00:51, Joshua Kramer a écrit : > After reading and digesting a ton of community chatter about the > recent CentOS announcement I've come to the conclusion that there's a > lot of good about this, but there are also a lot of concerns that are > being ignored. And nobody so far has s

Re: [CentOS] CentOS 8 Stream: The Good, The Bad, The Ugly

2020-12-09 Thread Nicolas Kovacs
Le 10/12/2020 à 00:51, Joshua Kramer a écrit : > There have been hundreds of other messages that describe exactly what > RedHat loses in this deal so I won't go into that here. But branding > oneself as a "bad faith actor" is usually a terrible way to try to > pick up a little bit of subscription

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-10 Thread Nicolas Kovacs
Le 09/12/2020 à 17:52, Frank Cox a écrit : > Is it necessary to create an Oracle account to do anything with Oracle Linux > that can't be done without creating an account? In other words, does Oracle > Linux demand that you log into Oracle to complete an installation, update > that installation, i

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-10 Thread Nicolas Kovacs
Le 10/12/2020 à 17:18, Frank Cox a écrit : > Is it just the part at the bottom that says "Free to use, free to download, > free to update. Always." That's it. I know Oracle's history, but I think for Oracle Linux, they may be much better than their reputation. I'm currently fiddling around with

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-10 Thread Nicolas Kovacs
Le 10/12/2020 à 17:31, Frank Cox a écrit : > I think I'll play with it in a Virtual Box installation and see what goes on. > > It does look interesting. It's just, you know... Oracle On a side note, the migration script centos2ol.sh currently only works for Oracle Linux 7. On a whim I sent a

Re: [CentOS] CentOS 8 Stream: The Good, The Bad, The Ugly

2020-12-10 Thread Nicolas Kovacs
Le 10/12/2020 à 00:51, Joshua Kramer a écrit : > After reading and digesting a ton of community chatter about the > recent CentOS announcement I've come to the conclusion that there's a > lot of good about this, but there are also a lot of concerns that are > being ignored. What Stream brings: sur

Re: [CentOS] Announcing Open-sourced & Community-Driven RHEL Fork by CloudLinux

2020-12-11 Thread Nicolas Kovacs
Le 11/12/2020 à 14:09, Liam O'Toole a écrit : > OEL = Oracle Enterprise Linux? There is no reason in heaven or hell to trust > them. As far as I'm concerned, they're the good guys now. :o) -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://ww

Re: [CentOS] Announcing Open-sourced & Community-Driven RHEL Fork by CloudLinux

2020-12-11 Thread Nicolas Kovacs
Le 11/12/2020 à 17:14, Phelps, Matthew a écrit : > My gut feeling is Oracle doesn't see Oracle Linux as a money maker, apart > from getting some support contracts from it, so they'll leave it be for a > while. I've just had a conversation with one of the Oracle Linux guys. I can't really quote him

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-12 Thread Nicolas Kovacs
Le 08/12/2020 à 18:54, Frank Cox a écrit : > Is Oracle a real alternative to Centos? I'm asking because genuinely don't > know; I've never paid any attention to Oracle's Linux offering before now. I spent the last three days experimenting with it. Here's my take on it: https://blog.microlinux.f

Re: [CentOS] I'm looking forward to the future of CentOS Stream

2020-12-13 Thread Nicolas Kovacs
Le 11/12/2020 à 02:25, Gordon Messmer a écrit : > Personally, I think that changing focus on CentOS Stream is going to make > CentOS (and maybe even RHEL) better in the same way and for the same reasons > that Fedora is a better distribution than Red Hat Linux was. Using Fedora on production serve

Re: [CentOS] I'm looking forward to the future of CentOS Stream

2020-12-13 Thread Nicolas Kovacs
Le 11/12/2020 à 18:25, Gordon Messmer a écrit : > I'll repeat what I said earlier, CentOS has never offered the things people > are > complaining about losing.  They've never asked for your trust and confidence. For the last 16 years, the explicit scope of the CentOS project has been to rebuild R

Re: [CentOS] Oracle Linux 8 - short experiment with install and basic setup of Mate Desktop

2020-12-13 Thread Nicolas Kovacs
Le 13/12/2020 à 05:30, Frank Cox a écrit : > So after reading other folks' opinions of an Oracle Linux 8 (thanks again, > Nicolas!) trial installation, I decided to crank up a Virtual Box session > and try an install myself. I've made a few corrections to the article. If there's enough demand, I c

[CentOS] Blog article: CentOS is NOT dead

2020-12-14 Thread Nicolas Kovacs
Hi, Here's an interesting read which makes a point for CentOS Stream: https://freedomben.medium.com/centos-is-not-dead-please-stop-saying-it-is-at-least-until-you-read-this-4b26b5c44877 tl;dr: Communication about Stream was BAD, but Stream itself might be a good thing. Here's why. Cheers, Niki

Re: [CentOS] Blog article: CentOS is NOT dead

2020-12-14 Thread Nicolas Kovacs
Le 14/12/2020 à 15:25, James Pearson a écrit : > As others have said, it misses the _really_ important bit about the > traditional CentOS model which is to follow the RHEL ~10 year life cycle I totally agree with you. But when you disagree with someone (e.g. the CentOS team), it's good at least t

Re: [CentOS] Oracle Linux - oracle-epel vs epel - dnf priority

2020-12-14 Thread Nicolas Kovacs
Le 14/12/2020 à 19:41, Frank Cox a écrit : > For those of us who are considering moving to Oracle Linux (or at least > doing some experimenting with it), I just had an idea for dealing with the > fact that the oracle-el-epel apparently doesn't have all of the packages > that are in the fedora-el-ep

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-14 Thread Nicolas Kovacs
Le 14/12/2020 à 23:18, Ruslanas Gžibovskis a écrit : > Just in case, as the third author linked, read the Licence Agreement, > everything will be there. Since Red Hat source code is mostly GPL, the same thing applies to Oracle Linux. > > And a small remark: > Even if you can take a knife in a sh

Re: [CentOS] The conclusio: CentOS is dead

2020-12-15 Thread Nicolas Kovacs
Le 15/12/2020 à 08:17, Nikolaos Milas a écrit : > > My course of action is to wait for Lenix (Ref.: > https://blog.cloudlinux.com/announcing-open-sourced-community-driven-rhel-fork-by-cloudlinux) > and Rocky Linux (https://rockylinux.org/) by CentOS original founder. Right now Rocky Linux is not

Re: [CentOS] Is Oracle a real alternative to Centos?

2020-12-15 Thread Nicolas Kovacs
Le 15/12/2020 à 17:04, Ruslanas Gžibovskis a écrit : > But free flag is in uncertain situation. > > And I have been working with UBK or how is shortened their unbreakable > kernel... No good ;)) we managed to break it ;)) and recover DB. I'm not sure you understand what you're saying. -- Microl

[CentOS] On-demand audio streaming software

2020-12-16 Thread Nicolas Kovacs
Hi, Since 2006 I had a streaming audio server based on Icecast and MPD running on CentOS. It works like a little webradio, e.g. listeners connect to a live stream with VLC, Audacious or any other client capable of this. I wonder if there's some software that can stream on-demand audio like music

Re: [CentOS] CentOS 8 future

2020-12-17 Thread Nicolas Kovacs
Le 15/12/2020 à 10:09, Thomas Bendler a écrit : > If you have to deal with proprietary software, OEL is currently the only > cost-free > option you have (if an RHEL clone is wanted). The advantage with OEL is that > most proprietary software supports OEL out-of-the-box, you don't have to do > "nami

Re: [CentOS] Gnote equivalent in CentOS 8

2020-12-24 Thread Nicolas Kovacs
Le 24/12/2020 à 18:04, Robert Nichols a écrit : > In CentOS 8, is there an equivalent for the gnote application? I've been using Gnote for a few years, until it got improved to death by the good GNOME folks. I've moved to Cherrytree, which is a great piece of software. I highly recommend it. htt

Re: [CentOS] Out of office: "CentOS Digest, Vol 191, Issue 26"

2020-12-26 Thread Nicolas Kovacs
Le 26/12/2020 à 13:00, m...@jump.com.hk a écrit : > Thank you for your email, our office will close from 1pm 24 Dec to 27 Dec > and will resume on 28 Dec. Wish you a merry Christmas and happy new year. Am I the only one feeling a strong urge to blood-eagle out-of-office repliers on public mailing

Re: [CentOS] Out of office: "CentOS Digest, Vol 191, Issue 26"

2020-12-26 Thread Nicolas Kovacs
Le 26/12/2020 à 18:14, Scott Robbins a écrit : > I'm sure all of us have done, if not this, something equally embarrassing > like posting a private reply to an email or doing dd with the wrong > destination, etc. Then let's make a little contest out of it: what's the most stupid thing you've done

[CentOS] Disk choice for workstation ?

2020-12-26 Thread Nicolas Kovacs
Hi, My workstation is currently equipped with a pair of Western Digital Red 1 TB SATA disks in a software RAID 1 setup. Some stuff like working with virtual machines is a bit slow, so I'm thinking about replacing the disks by SSD. I'm hesitating between three different setups: 1) Use a relative

Re: [CentOS] Disk choice for workstation ?

2020-12-26 Thread Nicolas Kovacs
Le 26/12/2020 à 21:58, Mark Woolfson a écrit : > Don't go for super cheap SSD's as the write threshold will be low. I would > look at Samsung for SSD's for performance or Kioxia (Toshiba) SSD's for > price. As regards the carrier I would look at Sonnet or Highpoint. Bear in > mind that the commerci

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-05 Thread Nicolas Kovacs
Le 05/01/2021 à 22:59, Frank Cox a écrit : > I don't have any particular love for Oracle, but since they pay X number of > people to keep Oracle Linux current with RHEL and updated, they shouldn't > have any problems with burn-out or a lack of long-term interest on the part > of volunteers that may

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-05 Thread Nicolas Kovacs
Le 06/01/2021 à 01:22, Gordon Messmer a écrit : > CentOS Stream will be compatible with EPEL to the same extent that new point > releases are compatible with EPEL. And in the past, things have been known to break. Activate the CR repository, and suddenly libmagick is broken because it hasn't been

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-05 Thread Nicolas Kovacs
Le 06/01/2021 à 08:06, Gordon Messmer a écrit : > Are you describing an actual problem, right now, or is that an invented > example? No, this was an actual problem I had back in April 2020. Upgrading from CR broke imagemagick, so I couldn't use the corresponding PHP modules, so my Roundcube insta

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-06 Thread Nicolas Kovacs
Le 06/01/2021 à 08:48, John R. Dennison a écrit : > To be fair it was only broken because you kept it broken; you could have > backed out the CR updates and waited for the point release to go GA and > be on ABI parity with EPEL. I used the CR updates because back then the official repositories wer

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-06 Thread Nicolas Kovacs
Le 06/01/2021 à 18:08, Gordon Messmer a écrit : > What I do see is that the sclo-php72-php-pecl-imagick has a dependency on > libMagickCore.so.5()(64bit), which is recorded in the rpm package.  If you > have > a package from a third party repository (either EPEL or SCLO, or others), and > it depen

Re: [CentOS] CentOS Stream suitability as a production webserver

2021-01-08 Thread Nicolas Kovacs
Le 08/01/2021 à 10:01, Fabian Arrotin a écrit : > With my SysAdmin hat on, I'd say that the only real impacting bit is the > shorter lifetime (5y instead of 10) 10 years of support instead of 5 has been the main argument here for using CentOS instead of Debian with the LTS repositories. -- Micro

[CentOS] Restore pristine SELinux configuration ?

2021-01-19 Thread Nicolas Kovacs
Hi, I have CentOS 7 running on a public server hosting all sorts of web applications, mail, XMPP, MPD, etc. How do I reset SELinux configuration to defaults? I know how to reset all my custom booleans to the initial state. # cat /etc/selinux/targeted/active/booleans.local # This file is aut

Re: [CentOS] Restore pristine SELinux configuration ?

2021-01-19 Thread Nicolas Kovacs
Le 19/01/2021 à 19:29, Leon Fauster via CentOS a écrit : > list your modules with > > semodule -l > > and remove custom modules with > > semodule -r myfail2ban Thank you very much ! Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://ww

Re: [CentOS] RHEL changes

2021-01-21 Thread Nicolas Kovacs
Le 21/01/2021 à 22:17, Valeri Galtsev a écrit : > I tried Oracle Linux. After installation it took forever to update yum > database, or do you yum search. Also: I didn't find mirrors... All this sort > of > ruled it out for me. Works perfectly here: https://gitlab.com/kikinovak/oracle/-/blob/mas

Re: [CentOS] RHEL changes

2021-01-21 Thread Nicolas Kovacs
Le 21/01/2021 à 22:39, Valeri Galtsev a écrit : > Maybe my problem was I used yum, not dnf command. Oracle's documentation is at least as well-written as the FreeBSD handbook. https://www.oracle.com/linux/technologies/ -- Microlinux - Solutions informatiques durables 7, place de l'église - 3073

Re: [CentOS] RHEL changes

2021-01-21 Thread Nicolas Kovacs
Le 21/01/2021 à 23:18, Valeri Galtsev a écrit : > No, I already streamlined Debian routine installation (workstations and number > crunchers), and servers run FreeBSD since lng ago, so I'm all set, and > much > better than in the past ;-) > > Thanks though. Debian has an average of two years

Re: [CentOS] RHEL changes

2021-01-21 Thread Nicolas Kovacs
Le 21/01/2021 à 23:23, Stephen John Smoogen a écrit : > I think from years of posting that FreeBSD is how Valeri's brain works best > and that is cool. Some people have certain OS paradigms where they function > best and are able to solve problems better than another system. For other > people it m

Re: [CentOS] RHEL changes

2021-01-22 Thread Nicolas Kovacs
Le 21/01/2021 à 23:30, Scott Robbins a écrit : > People pull up all sorts of technical reasons to justify > what is, in the end, an emotional decision. There is, of course, the possibility to go beyond that. For example, I am not exactly fond of Oracle as a company, for reasons you probably know

Re: [CentOS] RHEL changes

2021-01-22 Thread Nicolas Kovacs
Le 22/01/2021 à 16:16, Lamar Owen a écrit : > For my uses and purposes, Fedora's six month cycle is too fast (I've been on > that roller coaster before, no desire to go back to it). CentOS Stream's > continuous release cycle is too fast, especially in the kernel ABI > department.  > I believe that

Re: [CentOS] RHEL changes

2021-01-22 Thread Nicolas Kovacs
Le 22/01/2021 à 18:04, Valeri Galtsev a écrit : > I tried SUSE maybe 2-3 years later than you (around 2003). The first thing I > disliked was: they have yast on top of standard configurations. First of > all, it is quite unpleasant to deal with: infinitely long single file > containing all configs.

Re: [CentOS] RHEL changes

2021-01-26 Thread Nicolas Kovacs
Le 26/01/2021 à 08:10, Ljubomir Ljubojevic a écrit : > But even simple thing like buying space on Google account with > debit/credit card is too complicated for some so I ended up paying with > my card to get them more "Gmail space" *cringe* First thing I do with new clients is replace their Gmai

Re: [CentOS] Amazon Alexa on CentOS 7 - how?

2021-02-01 Thread Nicolas Kovacs
Le 01/02/2021 à 17:18, Frank Bures a écrit : > I am looking for an app for CentOS that would enable me to control my Alexa > compatible devices from my KDE desktop.  Currently, I have to use an iPad for > that. From an administrators' point of view, the only sane way to remote control an Alexa com

[CentOS] RHEL <==> CentOS <==> Oracle Linux migration scripts

2021-02-03 Thread Nicolas Kovacs
Hi, I've recently done some extensive testing with the centos2ol.sh migration script provided by Oracle: https://github.com/oracle/centos2ol The script works perfectly on both CentOS 7.x and 8.x, so I wrote a little blog article about it: https://blog.microlinux.fr/migration-centos-oracle-linux

Re: [CentOS] Challenging times in trying to access oracle Linux documentation

2021-02-04 Thread Nicolas Kovacs
Le 04/02/2021 à 13:03, Shamim Shahriar a écrit : > I am unable to access any of the oracle documentation I need, as it keeps > on asking for support identifier number, which, as far as I can tell, is > only available if I purchase an expensive support subscription. Everything in Oracle is free as

Re: [CentOS] Transition test report going from CentOS8 to Debian 10.

2021-02-05 Thread Nicolas Kovacs
Le 05/02/2021 à 17:03, Lamar Owen a écrit : > I thought long and hard about it before posting to the CentOS lists, because I > don't want to be perceived as advocating for a particular transition path. I found your post highly interesting, even though I chose a different path: https://blog.microl

Re: [CentOS] How to install XFCE on CentOS 8?

2021-02-11 Thread Nicolas Kovacs
Le 11/02/2021 à 17:08, Simon Matter a écrit : > But, I'm a bit shocked to find EPEL 8 in such a bad shape of brokenness > and incompleteness I've come to the same conclusion. For the past couple years, my solution has been to use RHEL clones (CentOS and Oracle Linux) on servers only (multi-user.t

[CentOS] Bare metal vs. virtualization: Proxmox + Ceph + CentOS ?

2021-03-13 Thread Nicolas Kovacs
Hi, Last week I had a disaster which took me a few unnerving days to repair. My main Internet-facing server is a bare-metal installation with CentOS 7. It hosts four dozen web sites (or web applications) based on WordPress, Dolibarr, OwnCloud, GEPI, and quite a number of mail accounts for ten diff

[CentOS] Restore mails using Thunderbird

2021-03-15 Thread Nicolas Kovacs
Hi, One of my clients is running CentOS 7 on his workstation. He's using Mozilla Thunderbird with an IMAP account at Infomaniak to manage his mails. Two days ago he shot himself in the foot by playing around with Thunderbird's auto-cleaning features. He enabled "delete all mails older than 60 day

Re: [CentOS] Bare metal vs. virtualization: Proxmox + Ceph + CentOS?

2021-03-15 Thread Nicolas Kovacs
Le 15/03/2021 à 13:41, Blaž Bogataj a écrit : > ProxMox and software defined storage on 4-5 machines I think for us is the > best solution. In point of maintaining there is no problem with upgrading > from one release to other - now is version 6.x. Only issue is probably my > knowledge how to put t

[CentOS] Cloning bridged VMs : VirtualBox vs. KVM

2021-03-24 Thread Nicolas Kovacs
Hi, (tl;dr : how can I clone a KVM-based bridged virtual machine and force a duplicate MAC address ?) Up until recently I've been using VirtualBox on my workstation to test various local setups. Usually I would setup a basic CentOS installation, and whenever I wanted to fiddle around, I would jus

Re: [CentOS] Cloning bridged VMs : VirtualBox vs. KVM

2021-03-25 Thread Nicolas Kovacs
Le 26/03/2021 à 03:09, Jyrki Tikka a écrit : > Both virt-manager and virt-clone prevent you from doing this. However, > you can change the created random MAC using virsh edit on the cloned > domain. Do you mean that I can use virsh edit to define an identical MAC address for the original VM and th

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