Re: [CentOS] Ruby on Cent OS 8

2021-11-15 Thread Nikolaos Milas
Another option is to migrate to an RHEL 8 -compatible OS, like Rocky Linux, AlmaLinux, Oracle Linux, Springdale Linux. (I remind that CentOS Stream is no more a RHEL 8 twin.) I have already migrated successfully all my CentOS 8 boxes to Rocky. (I am informed that in Academic Institutions in

Re: [CentOS] Difference between CentOS Linux and CentOS Stream

2021-07-21 Thread Nikolaos Milas
On 21/7/2021 12:32 π.μ., Ian Mortimer wrote: We've been using the 10 year support to convince researchers to install CentOS instead of their preferred option Ubuntu.  We've now lost that argument so most will go to Ubuntu.  Those who need 10 year support will move to Oracle. Rocky Linux is

Re: [CentOS] Centos versions in the future?

2021-07-09 Thread Nikolaos Milas
On 9/7/2021 1:14 μ.μ., Gionatan Danti wrote: While I fully understand & agree on the motivation for keeping Rocky (and other clones) 1:1 with Red Hat, it should be understood that current RHEL packages selection itself is drifting away from small/medium business needs. So the core issue is a

Re: [CentOS] Centos versions in the future?

2021-07-08 Thread Nikolaos Milas
On 8/7/2021 8:53 μ.μ., Gionatan Danti wrote: That said, lets face in: current CentOS is not really a community, at least in the sense that a community can steer the project direction. Nobody polled for Stream or asked about it. Stream simply happened due to an unilateral Red Hat decision.

Re: [CentOS] Centos versions in the future?

2021-07-08 Thread Nikolaos Milas
On 8/7/2021 5:46 μ.μ., Leon Fauster via CentOS wrote: Μaybe "we" could fill this gap? Describe this state of EPEL? Did you requested such missing packages? From the early on (EL8.0) I requested such EPEL packages, some fedora maintainers branched there packages into EPEL8. Even a request for a

Re: [CentOS] Centos versions in the future?

2021-07-08 Thread Nikolaos Milas
On 8/7/2021 6:53 μ.μ., Valeri Galtsev wrote: THAT must have been part of the reason for mscot. Also, they call mascot Beasty (as in diminutive from :"beast"). And if you pronounce the abbreviation of Berkeley Software Distribution (the one FreeBSD is successor of): BSD, and then "beasty" they

Re: [CentOS] Centos versions in the future?

2021-07-08 Thread Nikolaos Milas
On 8/7/2021 6:19 μ.μ., Valeri Galtsev wrote: ... Of course, tastes differ, but still, only those who tasted both things can have fairly say what is better to one's own taste. ... But even as part of our infrastructure fled to FreeBSD... ... As a side note: l never used FreeBSD, even though

Re: [CentOS] Centos versions in the future?

2021-07-08 Thread Nikolaos Milas
On 7/7/2021 8:17 μ.μ., Valeri Galtsev wrote: And I feel safe running (and planning to run for long future to come) quite reputable ones with long history of such: FreeBSD (servers), Debian (number crunchers, workstations). I feel totally safe and confident with the fully community-driven

Re: [CentOS] Centos versions in the future?

2021-07-07 Thread Nikolaos Milas
On 7/7/2021 12:47 μ.μ., J Martin Rushton via CentOS wrote: There's also Alma, which is where I've gone after being with CentOS since 5.3 AlmaLinux is a great project too, IMHO, but things show that the new industry standard (replacing CentOS) will probably be Rocky Linux. (Yes, RHEL

Re: [CentOS] Centos versions in the future?

2021-07-07 Thread Nikolaos Milas
On 30/4/2021 7:27 μ.μ., Gionatan Danti wrote: The correct answer is to buy RH: fine. But do not let Stream touch anything which require a kABI compatible modules. As said above, the Stream move is squarely addresses *cloud* vendor requests and needs. Again, fine. But please leave apart the

Re: [CentOS] EL8: openldap-servers migration to 389

2021-06-21 Thread Nikolaos Milas
On 21/6/2021 3:16 μ.μ., Leon Fauster via CentOS wrote: Hey all, in preparation to migrate an EL7 server I noticed that the openldap-servers package is not shipped in EL8 anymore. Is it possible to operate 389-ds as standalone ldap server? I am asking this for the context of CentOS Linux

Re: [CentOS] Centos versions in the future?

2021-04-28 Thread Nikolaos Milas
On 28/4/2021 4:28 μ.μ., R C wrote: you think you can fund something like that with a bake sale or so?, maintaining a separate distro for the same thing is VERY expensive I agree, of course, yet it seems that those who decide to maintain a separate distro are decided to do so and obviously

Re: [CentOS] Centos versions in the future?

2021-04-28 Thread Nikolaos Milas
On 28/4/2021 10:35 π.μ., Nikolaos Milas wrote: All that, in turn, are very much dependent on community involvement and project management & financing. By the way, I think that CentOS, before it was "absorbed" by Redhat, could/might have addressed the community for fund raisin

Re: [CentOS] Centos versions in the future?

2021-04-28 Thread Nikolaos Milas
On 28/4/2021 1:23 π.μ., Gionatan Danti wrote: If the Springdale release is a 100% RH clone, why do different teams (Alma and Rocky) are trying to re-package the same 100% binary-compatible RH clone? Simply because each one of these projects obviously wants to remain independent from the

Re: [CentOS] Proxmox Backup Server equivalent for the RHEL/CentOS world ?

2021-04-16 Thread Nikolaos Milas
On 16/4/2021 10:10 π.μ., Felix Kölzow wrote: you may take a look at _rear_ (it is that easy how it looks like) You may also want to check mondo: http://www.mondorescue.org/about.shtml (the website is not updated regularly!) I am using it for many years, since CentOS 5 (until now with

Re: [CentOS] not a Centos topic, but since many had concerns ......

2021-02-03 Thread Nikolaos Milas
On 3/2/2021 1:26 π.μ., R C wrote: The reason why I have some Centos stuff is because it is very close to Redhat, and where I work we use A LOT of redhat machines/servers/clusters, so it is just convenience. That is why I used Centos, and if this mechanism/program is available, well, I'll use

Re: [CentOS] RHEL changes

2021-01-22 Thread Nikolaos Milas
On 22/1/2021 2:25 μ.μ., Konstantin Boyandin via CentOS wrote: Also, I can still expect they will again change their mind close to 2021's end. In short, I have hard time trusting RH in such a situation. That's exactly how I feel too. I don't trust them. I think we can expect Rocky Linux to

Re: [CentOS] RHEL changes

2021-01-21 Thread Nikolaos Milas
On 21/1/2021 11:17 μ.μ., Valeri Galtsev wrote: 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. Don't worry, Rocky Linux is in good track; Latest update:

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

2021-01-08 Thread Nikolaos Milas
On 8/1/2021 11:01 π.μ., Fabian Arrotin wrote: With my SysAdmin hat on, I'd say that the only real impacting bit is the shorter lifetime (5y instead of 10), but with overlap between stream versions, so one would have time to have a look, reflect in automation, reinstall/migrate, enjoy With my

Re: [CentOS] The conclusio: CentOS is dead

2020-12-14 Thread Nikolaos Milas
On 15/12/2020 12:47 π.μ., Ruslanas Gžibovskis wrote: your suggestions? 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. IMHO,

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

2020-12-13 Thread Nikolaos Milas
On 13/12/2020 9:44 μ.μ., Simon Avery wrote: There are 4,606 people on their Slack right now ...which, by the way, is being acquired by SalesForce! Find a successor of Slack!  Nick ___ CentOS mailing list CentOS@centos.org

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

2020-12-13 Thread Nikolaos Milas
On 13/12/2020 1:05 μ.μ., Ljubomir Ljubojevic wrote: Just an update, name of the project will be "Lenix", and I missedin announcement that unlike CentOS they plan to publish all the build tools and environment so other clones can be built even if they stray, a very commendable approach. Sounds

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

2020-12-13 Thread Nikolaos Milas
On 13/12/2020 6:48 π.μ., Gordon Messmer wrote: Red Hat is giving us the thing that has been requested more often, by more people, than any other change in CentOS, and the result is that the press is full of stories about users being angry, because five people on the mailing lists sent a lot

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

2020-12-10 Thread Nikolaos Milas
On 10/12/2020 2:39 μ.μ., Steve Thompson wrote: On Wed, 9 Dec 2020, Joshua Kramer wrote: It can, however, be mitigated if RedHat backtracks, admits their mistake, and affirmatively commits to support future CentOS point releases.  I'll be interested to see how this turns out. It may already

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

2020-12-09 Thread Nikolaos Milas
On 9/12/2020 4:32 μ.μ., Brendan Conoboy wrote: As CentOS Stream grows, I expect many companies who sell hardware will become active members of the community. Probably, but this is not the point. The value of CentOS is that in essence it is identical to RHEL. This allows its use in multiple

Re: [CentOS] CentOS 8 future

2020-12-09 Thread Nikolaos Milas
On 9/12/2020 3:19 μ.μ., Nikolaos Milas wrote: I still hope that you will not disappoint CentOS admins and users so badly and that you will continue to support CentOS 8 (and CentOS 7) in its current/expected form. A petition has started, to request IBM/Redhat to continue CentOS 8

Re: [CentOS] CentOS 8 future

2020-12-09 Thread Nikolaos Milas
On 8/12/2020 6:58 μ.μ., Satish Patel wrote: What is going on here https://blog.centos.org/2020/12/future-is-centos-stream/ CentOS 8's future is not looking bright. Recently deployed CentOS8 on my production workload and now hearing this. What do other folks think about this? I will totally

[CentOS] nfs causes Centos 7.7 system to hang

2019-12-26 Thread Nikolaos Milas
Hello, MERRY CHRISTMAS to all in list! After I upgraded to latest: CentOS Linux release 7.7.1908 (Core) I am facing nfs crashes which cause the system to hang frequently. This is caused by cp to nfs-mounted shares. Below is dmesg output; you will see call traces. These cause system to

Re: [CentOS] How to dump/restore a CentOS 7 system

2019-09-26 Thread Nikolaos Milas
On 25/9/2019 7:31 μ.μ., Xinhuan Zheng wrote: I guess it is very common for administrative purpose, to dump and restore a CentOS 7 system. I usually use dump/restore commands. However, I’m having trouble to handle installing bootloader and creating initramfs for C7 system. Does anyone know a

Re: [CentOS] NFS mount on Centos 7 crashing

2017-10-20 Thread Nikolaos Milas
On 7/10/2017 7:35 μμ, Nikolaos Milas wrote: I am still trying to find a solution. The problem was finally traced down to a Cisco ASA bug (this firewall device lies between the connected networks); bug CSCuq80704 was resolved by an ASA software update. NFS packets were incorrectly being

Re: [CentOS] NFS mount on Centos 7 crashing

2017-10-07 Thread Nikolaos Milas
On 4/10/2017 3:09 μμ, Nikolaos Milas wrote: Problem solved - at least in my case - by changing the NFS Export Options (of the NFS shared directory, at the data storage system) from secure to insecure. In the end, it occurred that the issue re-appeared after a couple of days. So, it seems

Re: [CentOS] NFS mount on Centos 7 crashing

2017-10-04 Thread Nikolaos Milas
On 2/10/2017 11:46 μμ, Nikolaos Milas wrote: Unfortunately, it doesn't work for me. Problem solved - at least in my case - by changing the NFS Export Options (of the NFS shared directory, at the data storage system) from secure to insecure. That is, I changed from: rw,no_root_squash

Re: [CentOS] NFS mount on Centos 7 crashing

2017-10-02 Thread Nikolaos Milas
On 2/10/2017 11:19 πμ, Patrick Begou wrote: This config is working fior me, with just using an older kernel. Thanks Patrick, Unfortunately, it doesn't work for me. I tried booting with an older kernel (3.10.0-514.21.1.el7.x86_64) and/or downgrading rpcbind to rpcbind-0.2.0-38.el7.x86_64

Re: [CentOS] NFS mount on Centos 7 crashing

2017-09-30 Thread Nikolaos Milas
On 22/9/2017 8:15 μμ, Nikolaos Milas wrote: I have created bug report: https://bugs.centos.org/view.php?id=13891 for this. I have also created https://bugzilla.redhat.com/show_bug.cgi?id=1494834 and I have uploaded a lot of (hopefully useful) information, but there doesn't seem to exist

Re: [CentOS] NFS mount on Centos 7 crashing

2017-09-22 Thread Nikolaos Milas
On 22/9/2017 3:46 μμ, Nikolaos Milas wrote: Based on the facts and experience, it looks like a bug. After all, it occurred right after upgrade to 7.4, without any system configuration changes. I have created bug report: https://bugs.centos.org/view.php?id=13891 for this. Isn't

Re: [CentOS] NFS mount on Centos 7 crashing

2017-09-22 Thread Nikolaos Milas
On 22/9/2017 2:58 μμ, Nikolaos Milas wrote: ... or through /etc/fstab:   10.201.40.34:/data/col1/hesperia-mount /hesperiamount2   nfs auto,noatime,nolock,bg,nfsvers=3,intr,tcp,actimeo=1800 0 Correction: the /etc/fstab nfs mount line has one more zero:   10.201.40.34:/data/col1/hesperia

Re: [CentOS] NFS mount on Centos 7 crashing

2017-09-22 Thread Nikolaos Milas
On 2/6/2017 1:46 μμ, Nikolaos Milas wrote: After a bit of search, I found the associated reports: https://bugs.centos.org/view.php?id=13351 https://bugzilla.redhat.com/show_bug.cgi?id=1454876 No solution yet, but -as a workaround- it seems that -at least- nfs problems are indeed solved

Re: [CentOS] Troubleshooting php-fpm with apache on Centos 7

2017-08-08 Thread Nikolaos Milas
On 8/8/2017 9:16 πμ, Nikolaos Milas wrote: For your reference, I am also including the php-fpm configuration I now browsed today's php-fpm log file (/var/log/php-fpm/www-error.log - which is rotated daily) and I found two PHP records about this website, with the following content

Re: [CentOS] Troubleshooting php-fpm with apache on Centos 7

2017-08-08 Thread Nikolaos Milas
On 8/8/2017 8:57 πμ, John R Pierce wrote: does the user apache is running as have write access to that folder ? Thank you for your reply, John. Yes, there is write access: # ls -l /var/webs/wwwgreekgeo/log/php* -rw-rw 1 root apache 0 Aug 7 22:58 /var/webs/wwwgreekgeo/log/php_error_log

[CentOS] Troubleshooting php-fpm with apache on Centos 7

2017-08-07 Thread Nikolaos Milas
Hello, I am running httpd-2.4.6-45.el7.centos.x86_64 with php-fpm-7.0.22-1.el7.remi.x86_64 (on CentOS 7). My main problem: On this httpd server I have several vhosts running, but apparently I am facing intermittent problems with php-fpm communication on only one of them. Most of the sites

Re: [CentOS] more recent perl version?

2017-06-02 Thread Nikolaos Milas
On 2/6/2017 2:05 μμ, hw wrote: That´s a good thing, though it can be difficult to run systems using ancient software. You may want to check the following paradigm (from another open source perl-based application) to create a Perl environment within your system, avoiding to tamper with it:

Re: [CentOS] NFS mount on Centos 7 crashing

2017-06-02 Thread Nikolaos Milas
On 2/6/2017 10:58 πμ, Nikolaos Milas wrote: Have you checked if this bug/behavior has been reported or should we file a bug report? After a bit of search, I found the associated reports: https://bugs.centos.org/view.php?id=13351 https://bugzilla.redhat.com/show_bug.cgi?id=1454876

Re: [CentOS] NFS mount on Centos 7 crashing

2017-06-02 Thread Nikolaos Milas
On 2/6/2017 10:40 πμ, Philippe BOURDEU d'AGUERRE wrote: Reverting to rpcbind-0.2.0-38.el7 solves the problem for me Thank you very much Philippe, I notice that I have upgraded to rpcbind-0.2.0-38.el7_3.x86_64 on May 26. Have you checked if this bug/behavior has been reported or should we

[CentOS] NFS mount on Centos 7 crashing

2017-06-02 Thread Nikolaos Milas
Hello, We have a VM (under KVM - a VPS service by our ISP) running CentOS 7. On it we have 2 NFS mounts, one for backup and one as a live file system (where there are two user homes as well):

Re: [CentOS] Urgent: Need to change the location of a directory tree

2017-06-01 Thread Nikolaos Milas
On 1/6/2017 9:52 μμ, Mauricio Tavares wrote: 1. Make sure both users are not logged in. 2. Create new mountpoints 3. Edit fstab to point to new mountpoints. 4. Edit /etc/passwd to refer to the new mountpoint for the two users 5. mount -a Would that do the trick for you? Thanks Mauricio,

Re: [CentOS] Urgent: Need to change the location of a directory tree

2017-06-01 Thread Nikolaos Milas
On 1/6/2017 6:06 μμ, Nikolaos Milas wrote: ...then remove the mount from fstab and the initial mount point /scimount and finally rename /scimount2 to /scimount ? Correction: ...then remove the mount from fstab and the initial mount point /mynfsmount and finally rename /mynfsmount2

[CentOS] Urgent: Need to change the location of a directory tree

2017-06-01 Thread Nikolaos Milas
Hi, I am running CentOS 7 (fully updated) on a VM. This has a mounted nfs share (via fstab) (which mounts a remote storage system) on which we have created the home directories of 2 users Here are the home directories: /mynfsmount | |--/user1 |--/user1 We want to move this whole branch

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-06 Thread Nikolaos Milas
On 6/5/2017 12:09 μμ, Nikolaos Milas wrote: The VM booted fine after /etc/fstab update! I did another test, which was also successful. Below follows the output from the process (after booting in troubleshooting mode using the CentOS 7 media disk): 1) Continue 2) Read-only mount

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-06 Thread Nikolaos Milas
On 6/5/2017 12:20 πμ, Nikolaos Milas wrote: [Perhaps I should have manually edited /etc/fstab as well to enter the new UUID?] Yes, that was it! The VM booted fine after /etc/fstab update! Case closed. It was a tricky one! Thank you all for your feedback and kind assistance! Cheers, Nick

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 9:10 μμ, Marcelo Roccasalva wrote: xfs_admin -U restore /dev/vdal Bingo! I had to unmount the boot partition (being in Troubleshooting mode), run the above command, which provided a new UUID and at last the partition was recognized as xfs. (I forgot to copy the output to paste

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 8:34 μμ, Gianluca Cecchi wrote: Your /mnt/sysimage/boot is under tmpfs not real disk... Sorry, I am not an expert, but it does seem to NOT be under tmpfs: Filesystem Size Used Avail Use% Mounted on ... /dev/vdal497M 192M 306M 39% /mnt/sysimage/boot ... Why do you say

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 8:46 μμ, Nikolaos Milas wrote: If so, may it be that this fix has not been rolled out to CentOS repos yet? Note: Both the original (backed up) and the restored (clone) VM are up-to-date. No new updates available in the standard CentOS repos. Nick

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 8:29 μμ, Nikolaos Milas wrote: I am very puzzled with "unknown filesystem". After more googling, I found this bug report with a very recent fix: https://bugzilla.redhat.com/show_bug.cgi?id=1399487 It seems to me that this may be relevant in our case.

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 3:45 μμ, Gianluca Cecchi wrote: BTW: see also this paragraph in the provided RH EL link: 24.7.3. Resetting and Reinstalling GRUB 2 But i think is not your problem Yes, I have done that, without change in behavior. Also, after changing partitions flag does your fdisk command

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 3:15 μμ, Gianluca Cecchi wrote: ... grub2-install /dev/vda ... Was this one of the command you already tried? Yes, I have tried that multiple times, both from Troubleshooting Mode (booting using CentOS 7 Installation CD) and from within the actual system (booted using

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 1:57 μμ, Gianluca Cecchi wrote: what do you get when you boot the VM (I imagine with supergrub2 you described) and run this lspci lspci -kn Here you are: # lspci 00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev 02) 00:01.0 ISA bridge: Intel Corporation

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 1:42 μμ, Nikolaos Milas wrote: Hmm, it seems that the boot flag should be removed from /dev/vda2 partition? Actually, I tried this and left the boot flag only to /dev/vda1. I rebooted and I am still getting the same error. :-( I was hoping we were close to a solution... Nick

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 1:19 μμ, Gianluca Cecchi wrote: Could you verify, if /dev/sda is your boot disk, with the command fdisk -l /dev/sda ? It's /dev/vda in my case: # fdisk -l /dev/vda Disk /dev/vda: 21.5 GB, 21474836480 bytes, 41943040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 5:11 πμ, Barry Brimer wrote: Are the correct volumes referenced in your /etc/default/grub file? Thanks Barry for your feedback. Here is the output: http://iweb.noa.gr/files/centos7/scratchvm-data-20170505-01.png What can you tell from that? Cheers, Nick

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-05 Thread Nikolaos Milas
On 5/5/2017 2:22 πμ, Marcelo Roccasalva wrote: when you boot via supergrub2, you get this kernel version (uname -r)? every kernel has it own initramfs where some binaries, libraries, modules and configuration files get copied from the running VM, so you need to boot from a newly created

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-04 Thread Nikolaos Milas
On 4/5/2017 5:56 μμ, Marcelo Roccasalva wrote: dracut -f /boot/initramfs-.img I did: # dracut -f /boot/initramfs-3.10.0-514.10.2.el7.x86_64.img 3.10.0-514.10.2.el7.x86_64 and it ended without reporting any error. However, when I rebooted, nothing changed ("no such device: . Entering

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-04 Thread Nikolaos Milas
On 4/5/2017 5:20 μμ, Marcelo Roccasalva wrote: Dumb question: the file starts with a dot, doesn't show up in "ls" without "-a". Of course, I check with ls -la.It is empty indeed. Even dumber question: the erroring UUID exist in the origin of thecloned guest? I guess you have rebuilt

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-04 Thread Nikolaos Milas
On 3/5/2017 5:24 μμ, Nikolaos Milas wrote: Using the supergrub2 disk I can boot and login successfully. Otherwise (i.e. directly) the box won't boot. In the meantime, I also tried rescatux (https://sourceforge.net/projects/rescatux/) repair disk; it failed as well. The situation remains

Re: [CentOS] CentOS 7 cloned VM cannot boot

2017-05-03 Thread Nikolaos Milas
On 3/5/2017 10:41 μμ, Marcelo Roccasalva wrote: Does the UUID of root filesystem in /etc/fstab match the actual UUID as reported by blkid? And remove/etc/lvm/cache/.cache if it exists Thank you Marcelo for replying, The directory /etc/lvm/cache/ is empty. And, yes, the UUID matches: #

[CentOS] CentOS 7 cloned VM cannot boot

2017-05-03 Thread Nikolaos Milas
Hello, I'm struggling to make a cloned CentOS 7 VM (under KVM) to work. The VM was cloned using mondorestore. Restore appears successful but the VM won't boot; see: http://iweb.noa.gr/files/centos7/supergrub2-scratchvm-20170503-04.png I booted with CentOS 7 disk in troubleshooting mode

Re: [CentOS] Strange (?) device.map in CentOS 7 VM installations

2017-01-06 Thread Nikolaos Milas
On 5/1/2017 11:04 πμ, Nikolaos Milas wrote: Can others please report the content of /boot/grub2/device.map on their CentOS 7 (physical or virtual) installations? Thank you all for your reports. Since it seems this is generally the case with CentOS 7, does anyone also have access to RHEL 7

Re: [CentOS] Strange (?) device.map in CentOS 7 VM installations

2017-01-05 Thread Nikolaos Milas
On 4/1/2017 7:37 μμ, Gordon Messmer wrote: I don't see that on VMs that I manage. Some of the physical machines that I manage do have duplicates in the device.map. Thank you Gordon for your feedback! Can others please report the content of /boot/grub2/device.map on their CentOS 7

Re: [CentOS] Strange (?) device.map in CentOS 7 VM installations

2017-01-04 Thread Nikolaos Milas
On 29/12/2016 11:24 πμ, Nikolaos Milas wrote: ...I have found that all my CentOS 7 installations (VMs under KVM) have the same /boot/grub2/device.map, which seemingly refers to two HDs, although the VMs in fact include only one (virtual) HD. ... This is NOT the case with my CentOS 5

[CentOS] Strange (?) device.map in CentOS 7 VM installations

2016-12-29 Thread Nikolaos Milas
Hello, After repeated failing efforts to restore CentOS 7 backups (taken using mondorescue software), I have found that all my CentOS 7 installations (VMs under KVM) have the same /boot/grub2/device.map, which seemingly refers to two HDs, although the VMs in fact include only one (virtual)

Re: [CentOS] Backup PC or other solution

2015-05-11 Thread Nikolaos Milas
On 7/5/2015 5:01 μμ, Robert Nichols wrote: I use rdiff-backup, but I hesitate to recommend a tool that has been unsupported for over 6 years and does have quite a few bugs. I have had good experience with mondrescue (mondoarchive, mondorestore) for years. It's a free, active project. See:

Re: [CentOS] Forward http traffic

2014-01-09 Thread Nikolaos Milas
On 8/1/2014 8:28 μμ, Les Mikesell wrote: The concept doesn't even make sense for TCP connections where the stack requires acks and sequencing. Are you trying to bridge to a capture device or something? Thank you all for your enlightening feedback, which helped me better understand my

Re: [CentOS] Forward http traffic

2014-01-08 Thread Nikolaos Milas
On 7/1/2014 6:19 μμ, Antonio da Silva Martins Junior wrote: If you put it that way only xxx will receive packets, to balance betwin both of them you will need this: -A PREROUTING -s 10.250.250.0/24 -p tcp -m tcp --dport 8080 -j DNAT --to-destination xxx.xxx.xxx.xxx-yyy.yyy.yyy.yyy:80

Re: [CentOS] Forward http traffic

2014-01-08 Thread Nikolaos Milas
On 8/1/2014 11:54 πμ, Antonio da Silva Martins Junior wrote: Well, I had only used with a range. Maybe you can take a look on a software load-balancer, like haproxy, or use something like nginx. Then forward to the load-balancer instead to the servers. Thanks, Actually, I don't want load

[CentOS] Forward http traffic

2014-01-07 Thread Nikolaos Milas
Hello, On CentOS 6.5 x86_64 I have (/etc/sysconfig/iptables): *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :RH-Firewall-1-INPUT - [0:0] -A INPUT -j RH-Firewall-1-INPUT -A FORWARD -j RH-Firewall-1-INPUT -A RH-Firewall-1-INPUT -i lo -j ACCEPT -A RH-Firewall-1-INPUT -p

Re: [CentOS] php 5.1 to 5.3

2013-10-07 Thread Nikolaos Milas
I am using webtatic on CentOS 5.x. I started using it some years back because as I can remember (vaguely) I had problems using php53 RPMs (can't remember details, however). Thanks for php 5.4 info - I haven't used it yet. I installed remi (php 5.5) on CentOS 6.x but, yes, it seems many apps

Re: [CentOS] php 5.1 to 5.3

2013-10-04 Thread Nikolaos Milas
On 4/10/2013 5:36 μμ, Leon Fauster wrote: Am 04.10.2013 um 13:51 schrieb Nikos Gatsis - Qbit ngat...@qbit.gr: Hello list I'm managing a web server with centos-release-5-9.el5.centos.1. I have php-5.1.6-40.el5_9 right now and I'd like to update it to php53. I wander if its easy or

Re: [CentOS] about backup of centos instead of fresh install

2013-04-18 Thread Nikolaos Milas
On 18/4/2013 5:11 μμ, m.r...@5-cent.us wrote: I*strongly* second that. In real, professional work environments, you've got developers, testers, and production, on*separate* boxes; if you're short on hardware and cash, a VM on the dev box is the way to go. To expand on this correct advice:

[CentOS] Problem building powerdns from EPEL

2013-04-09 Thread Nikolaos Milas
Hi, I just tried to build using http://dl.fedoraproject.org/pub/epel/6/SRPMS/pdns-3.1-2.el6.src.rpm on CentOS 6.4 final (kernel: 2.6.32-358.2.1.el6.x86_64), but it failed when looking for ldap libs: Note: I did not change anything in the original spec file. ... + ./configure

Re: [CentOS] Problem building powerdns from EPEL

2013-04-09 Thread Nikolaos Milas
On 9/4/2013 11:56 μμ, m.r...@5-cent.us wrote: Interesting. Is there another ldap option in the configure? I ask, since the above shows that the ldap_set_option is*not* set Thanks for the reply. I don't see anything: $ ./configure --help | grep -i ldap $ But, in any case, the

Re: [CentOS] posfix admin issue

2013-03-21 Thread Nikolaos Milas
On 21/3/2013 11:06 πμ, Austin Einter wrote: My question is why it is redirecting wrongly to domain/login.php. I would suggest you visit postfixadmin project forum and/or subscribe to their mailing list. Nick ___ CentOS mailing list

[CentOS] Installing SOGo on Centos 5

2013-02-14 Thread Nikolaos Milas
Hello, I was following directions at: http://www.sogo.nu/english/support/faq/article/how-to-install-sogo-and-sope-through-yum-1.html to install SOGo on CentOS 5.9 and, noticing that among the dependencies is memcached and rpmforge includes a much more recent version than EPEL, I preferred

[CentOS] Java app not observing ACLs

2013-02-05 Thread Nikolaos Milas
Hello, I have inherited a Java app, available as a jar, which has been moved from an HPUX server as is. [This app simply downloads a data file from an ftp server, processes its data and creates graph files.] It works fine on a CentOS 5 x86_64 machine with: jre-7u9-linux-x64.rpm but I've

Re: [CentOS] Centos 6.3 - which repos to use?

2013-01-28 Thread Nikolaos Milas
On 27/1/2013 5:11 μμ, Johnny Hughes wrote: Taking gtk2 as in our example here, if you wanted a new gtk2 in CentOS-5.9, then you would have to rebuild the following packages: A quick (?) question: What is the best way to view dependencies? 1. We can use yum deplist xxx.rpm to view

Re: [CentOS] Centos 6.3 - which repos to use?

2013-01-27 Thread Nikolaos Milas
On 27/1/2013 5:11 μμ, Johnny Hughes wrote: So upgrading one package can cause a domino effect that means you have either broken a bunch of packages or you have to rebuild a bunch of packages. That is why you should *only* upgrade what is VITAL for your application(s), and in a carefully

Re: [CentOS] Centos 6.3 - which repos to use?

2013-01-25 Thread Nikolaos Milas
On 25/1/2013 11:28 μμ, Leon Fauster wrote: not the CentOS(-Team) but the user it self is risking this … True. CentOS/RHEL are using the least-risk policy by rarely updating packages, except for serious bug/security fixes and that helps provide peace of mind from the base OS. Yet, I have come

Re: [CentOS] Centos 6.3 - which repos to use?

2013-01-25 Thread Nikolaos Milas
On 26/1/2013 7:42 πμ, Les Mikesell wrote: If you find a 100% reliable solution, please post it. I suggest very carefully selecting particular packages (and groups thereof) from whatever repos (or from individual experienced users' efforts), testing them thoroughly on test systems (usually a

Re: [CentOS] Having trouble updating glibc on Centos 6.3

2013-01-21 Thread Nikolaos Milas
On 21/1/2013 7:14 μμ, Richard Reina wrote: However I need glibc-2.15 Read: https://www.redhat.com/archives/rhelv6-list/2012-August/msg00015.html Nick ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] load balancer recommendations

2013-01-20 Thread Nikolaos Milas
On 19/1/2013 10:35 μμ, Boris Epstein wrote: Any advice on what may help us would be greatly appreciated. Have you checked HAProxy (http://haproxy.1wt.eu)? Nick ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] load balancer recommendations

2013-01-20 Thread Nikolaos Milas
On 19/1/2013 10:35 μμ, Boris Epstein wrote: Any advice on what may help us would be greatly appreciated. Some reading that might help in making up your mind: http://www.chinanetcloud.com/blog/load-balancing-haproxy-vs-nginx http://www.techopsguys.com/tag/netscaler/

Re: [CentOS] Building Dovecot CentOS 5 RPMs with custom LDAP packages

2013-01-12 Thread Nikolaos Milas
On 11/1/2013 1:44 μμ, fakessh @ wrote: I do not know the only thing I can tell you that laziness is a value in the computer You are partly right. However, IMHO building dovecot using standard openldap-devel on CentOS 5 means that, even though the final RPM works, it will use *ancient*

Re: [CentOS] Building Dovecot CentOS 5 RPMs with custom LDAP packages

2013-01-12 Thread Nikolaos Milas
On 12/1/2013 11:09 πμ, Nikolaos Milas wrote: ++ export LDFLAGS=${LDFLAGS} -L/usr/local/openldap/lib64 Or, more correctly: export LDFLAGS=${LDFLAGS} -L/usr/local/openldap/lib64 -lldap Nick ___ CentOS mailing list CentOS@centos.org http

Re: [CentOS] Building Dovecot CentOS 5 RPMs with custom LDAP packages

2013-01-11 Thread Nikolaos Milas
On 20/4/2012 11:10 μμ, fakessh wrote: look my personal rpm source of dovecot its more simply and stable http://ns.fakessh.eu/rpms/dovecot-2.1.4-1.centme.el5.src.rpm Hi fakessh, I was looking at your: http://ns.fakessh.eu/rpms/dovecot-2.1.8-1.centme.src.rpm package (after adapting to build

Re: [CentOS] web mail and Squirrelmail

2012-12-19 Thread Nikolaos Milas
On 19/12/2012 9:43 πμ, M. Fioretti wrote: what about Sogo: Is it slower/more complicated to install... any comment is appreciated! I have not used SoGo yet, but I have read good things about it from many admins. It is probably the only one free/open-source solution which works well with

Re: [CentOS] SOS: Production VM not starting!

2012-12-12 Thread Nikolaos Milas
On 11/12/2012 4:33 πμ, Markus Falb wrote: I had a look at your sreenshot. Output stops at the moment init is taking over. I suspect that console output is going elsewhere, maybe to a serial console. That way it could well be that the machine is doing something but you just can not see it.

Re: [CentOS] SOS: Production VM not starting!

2012-12-12 Thread Nikolaos Milas
On 12/12/2012 7:37 πμ, Gordon Messmer wrote: On 12/10/2012 05:01 PM, Nikolaos Milas wrote: I still wonder what caused that delay. What does getenforce output? It sort of looks like you went from an SELinux-disabled configuration to an enforcing or permissive configuration and required

Re: [CentOS] SOS: Production VM not starting!

2012-12-12 Thread Nikolaos Milas
On 12/12/2012 7:35 μμ, Markus Falb wrote: Sadly, boot.log on my CentOS 5 machines is empty and so will be yours. Yes, I had checked already, it's always 0 size... Thanks for your info. Nick ___ CentOS mailing list CentOS@centos.org

[CentOS] SOS: Production VM not starting!

2012-12-10 Thread Nikolaos Milas
I am using a VM with CentOS 5.8 x86_64 under KVM. I only have console access to the VM through a virtual console (web based). Tonight, after a routine yum update, I did a shutdown -r now due to kernel update and the VM won't start. See console screenshot vm1.png:

Re: [CentOS] SOS: Production VM not starting!

2012-12-10 Thread Nikolaos Milas
On 11/12/2012 1:07 πμ, Eero Volotinen wrote: Is this really error? I Thanks for replying. Don't know, but it hangs there forever (at least it appears so - haven't waited more than half an hour, but it's already too much). maybe you need to disable selinux before trying to mount rescue

Re: [CentOS] SOS: Production VM not starting!

2012-12-10 Thread Nikolaos Milas
On 11/12/2012 1:24 πμ, Nikolaos Milas wrote: Any ideas why it keeps waiting forever at that point? After having left it alone for an hour or so, I found it had booted successfully. Didn't find anything serious in /var/log/messages. I still wonder what caused that delay. So, red alarm

Re: [CentOS] Centos 6.3 x86_64, drbd, which repo? atrpms or elrepo?

2012-11-08 Thread Nikolaos Milas
On 8/11/2012 12:59 μμ, Rafał Radecki wrote: Hi all. I am currently installing drbd on Centos 6.3 x86_64 and have two possible repos to choose. Which one in your opinion is better/provides more stable packages/etc.? IMHO, you will have no problems whatever you choose, but note that

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