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initramfs annoyances (I think)

Moved a server from the datacenter to our secure room. I've changed the
DNS, and our dhcpd... and yet, every time it boots, it comes up with the
IP it had in the datacenter.

Any idea where it could be caching the IP - maybe in the initramfs?

C 7, updated.

mark

C7, acpi_als

This is an odd one: I've got a user with a system I built recently, who
comes to me to tell me the systems' frozen. I just looked this time,
before I did an init 3/init 5, and you can't click on anything... except
when I click on the uppermost right, and then I see wired, network and it
flashes, over and over.

Fastboot and Google pixel 3a

Has anyone used fastboot together with the Google Pixel 3a/3a XL phone? I cannot get it to be recognized and wonder if the version of fastboot available for Centos 7 may not be recent enough? It does work with older phones I have so the setup should be correct.

bcachefs-tools

Hello,

I want to test bachefs file system on CentOS 7.
~$ cat /etc/system-release
CentOS Linux release 7.6.1810 (Core)

I'm following the bcachefs howto: <a href="https://bcachefs.org/Howto/" title="https://bcachefs.org/Howto/">https://bcachefs.org/Howto/</a>.

Having a problem trying to complete make && make install of the bcache-tools.
After going through all the dependencies and insuring they are
installed on Cent 7, I get the following output on make && make
install:

Package blkid was not found in the pkg-config search path.
Perhaps you should add the directory containing `blkid.pc'
to the PKG_CONFIG_PATH environment variable
No package 'blkid' found
Package uu

how to increase DNS reliability?

Hi,

how can DNS reliability, as experienced by clients on the LAN who are
sending queries, be increased?

Would I have to set up some sort of cluster consisting of several
servers all providing DNS services which is reachable under a single
IP address known to the clients?

Just setting up several name servers and making them known to the clients
for the clients to automatically switch isn't a good solution because
the clients take their timeouts and users lacking even the most basic
knowledge inevitably panic when the first name server does not answer
queries.

CentOS-announce Digest, Vol 173, Issue 8

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Today's Topics:

1.

Failed to start crond

Hi,

A couple of days ago, cron service stopped been running on my Centos 6.
When I try to start with "service crond start" I get this error :
"Starting /usr/sbin/crond: [-] Error 0x7a911401 in attaching to
process!"

Any ideas?

Thanks

mdadm issue

Just rebuilt a C6 box last week as C7.

CentOS 8 partiitioning for reliability

I was just given a Dell R720xd with 160 GB memory and 12x 900 GB drives
that I plan to deploy as my home mail/file/backup server to replace an
aging Supermicro server running CentOS 7. Yeah, it's gross overkill for
that and I expect to tuck most of the drives away for spares.

How should I RAID and partition this beast for maximum reliability?

My current C7 system is using 1 TB of 2 TB capacity on the root partition
(4x 1 TB drives in RAID 10). /boot is 300MB/50GB.

some questions about tuned ...

Hi,

what is the point of running tuned as a daemon when dynamic tuning is
disabled?

What is the point of enabling dynamic tuning, especially when using the
supplied profiles like throughput-performance?

I haven't customized those by specifying any thresholds, and I don't see
any point in doing things like dynamically changing disk schedulers or
CPU governors depending on something recognized by tuned.

Why is there no measurable difference in power consumption between using
the powersave, throughput-performance and virtual-host profiles but a
very noticeable difference in performanc

SELinux settings for directory shared via NFS and samba?

Hi,

what do I need to do to share the same directory with both NFS and samba?
SElinux requires 'samba_share_t' for samba and 'nfs_t' for NFS, and AFAIC
I can't set both at the same time on a directory.

cryptsetup

On a just-built C 7 box, I've got this: boot, boot_efi, /, swap, and
export. Now, the last three are encrypted. For /, I'm trying to add an
escrow key. df -h shows me that / is /dev/dm-1. However, when I use
cryptsetup luksAddKey /dev/dm-1, it just comes back, without prompting me
for a password.

What am I missing?

mark

Missing PHP Redis package in Software Collections ?

Hi,

I'm currently fine-tuning OwnCloud on a CentOS 7 server. To configure
transactional locking, I need Redis with the corresponding PHP module.

Until recently the server has been running PHP 7.1. I simply installed
the 'redis' package as well as 'sclo-php71-php-pecl-redis', started
and/or restarted a handful of services, and things worked perfectly.

Now I'm upgrading my server to PHP 7.2, and it looks like there's one
package missing in the Software collections.

CentOS-announce Digest, Vol 173, Issue 7

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Today's Topics:

1.

qemu-sparc, not to be confused with qemu-system-sparc

I installed CentOS 7.6 then installed all things QEMU on my machine. I have
a SPARC image I need to bringing up in a VM. I've been using
*qemu-system-sparc *on a box on which I have Fedora-30 installed.

$ qemu-system-sparc -m 256 -hda solaris_v2-qemu_v2.2.0.disk -nographic
-bios ./openbios-sparc32

Can I use *qemu-sparc* to bring up my Solaris image:
*solaris_v2-qemu_v2.2.0.disk* ?

If so, how?

cron.allow.local

It worked on C 6, but on a C 7 box, I've restarted crond, and cron.allow
doesn't have what's in cron.allw.local. What am I missing, folks?

mark

Question on screen capture from command line

I am trying to get the screen capture to work from command line (remotely).
I am getting the wrong screen shot.

This is what xrandr is giving me...

xrandr --query
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 1600mm x 900mm
1920x1080 120.00*+ 100.00 119.88 60.00 50.00 59.94
30.00 25.00 24

RedHat SCL. Who maintains rh-php72?

Hi,

I realized this still uses php 7.2.10, while 7.2.20 was released almost
two weeks ago.

How are these packages updated? Who does that?

Any idea how to get the update in?

Regards
Rainer

Mate on Centos 7

I have been running Mate on Centos 7 for some time but it does not work very well on my HiDPI laptop screen. Today I found that I am running version 1.16 of Mate whereas the current version is 1.22. Undoubtedly many of the issues have been fixed since 1.16 was released in 2016...

However, EPEL only provides 1.16 - a release from 2016 - and nothing later.

What is the recommended way to upgrade to 1.22?

Install virtual win server

Hello list.

Have someone installed windows server 2019 desktop on centos 7 kvm? Any
tips?

I have done it but I'm not sure if everything is OK. First of all, I
cant ping the virt IP, although I connect through remote! Second, I cant
activate windows and I'm pretty sure I have the right code...

Thank you in advance, Nikos.

CentOS-announce Digest, Vol 173, Issue 6

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Today's Topics:

1. CEBA-2019:1703 CentOS 7 tzdata BugFix Update (Johnny Hughes)
2.

Script to Check 7.x Hardware Compatibility?

I have a vague recollection--from several years back--there was once a
script out there that could be run on a CentOS 6.x system to test its
hardware compatibility for CentOS 7. (Not talking about a script to
actually do any upgrade; just check a system's hardware.)

Does anyone remember this? Remember the details? Thanks.

CentOS-announce Digest, Vol 173, Issue 5

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Today's Topics:

1. CESA-2019:1726 Important CentOS 6 dbus Security Update
(Johnny Hughes)
2.

Scope of classes in CFE 3.10.2 on CentOS 7

Hi folks,

I have a question concerning scope of classes in CFEngine 3. I run CFE
3.10.2 on CentOS 7.4.

# cf-agent -V
CFEngine Core 3.10.2

# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

I'm logged in as root and located in current working dir /root. I have
the following file

# ll ./samples/scope_of_class.cf
-rwx------. 1 root root 720 10.

screen shot centos 7

HI All,

I have some remote computers - at times I issue commands to take screen
shots.
I use xwd -silent -root or import -silent -window root to do so.
It seems at times the screen capture is the actual current content.
It might be a previous displayed item etc...

Anyone ran across this or thoughts ?

Jerry

CentOS-announce Digest, Vol 173, Issue 4

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Today's Topics:

1.

Alternative to laptop

I am considering buying a small, and therefore easily portable, computer as an alternative to the laptop I already have. Obviously it would not have battery, a screen, nor a keyboard etc. but more or less be an easily portable computing unit to move between offices where a keyboard and monitor(s) could then be connected.

Roughly how many more months before CentOS 8.0 release?

Good afternoon from Singapore,

May I know roughly how many more months before CentOS 8.0 will be released?

<a href="https://wiki.centos.org/About/Building_8" title="https://wiki.centos.org/About/Building_8">https://wiki.centos.org/About/Building_8</a>

Thank you very much.

The Gospel for all Targeted Individuals (TIs):

[The New York Times] Microwave Weapons Are Prime Suspect in Ills of
U.S. Embassy Workers

Link: <a href="https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html" title="https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html">https://www.nytimes.com/2018/09/01/science/sonic-attack-cuba-microwave.html</a>

********************************************************************************************

Singaporean Mr.

Problem to exec 'cc1obj'

Hello!

Try to comile sope on CentOS 7

and get:

# make
This is gnustep-make 2.7.0.

32-bit CentOS

It appears that CentOS 7 was the last one with a 32-bit version. I'm
trying to install it on an older laptop and having some trouble. I have
CentOS-7-i386-Everything-1810.iso and have verified it. Using either dd
or mediawriter to put a copy on a 16 GB thumb drive seems to work. But
then the laptop reports, "no boot image found". Note that the first 32 KB
of the iso is all zeros, meaning that there is no MBR or partition table
included.

According to the 0_README.txt on the CentOS mirrors, the Everything ISO,
"contains the complete set of packages for CentOS Linux 7.

adding uefi to kickstart CentOS 7

I am trying to add an efi partition to my working kickstart file.

bootloader --driveorder=sda --append="rhgb quiet biosdevname=0
net.ifnames=0"
clearpart --all --initlabel
part / --ondisk=sda --fstype xfs --size=20000 --asprimary
part swap --ondisk=sda --size=4000 --asprimary
part /boot/efi --ondisk=sda --fstype efi --size=1000 --asprimary
part /home --ondisk=sda --fstype xfs --size=1 --asprimary --grow

the line with /boot/efi is the only new item other then "removing"
--location=mbr from the bootloader line. The install is not working.

qemu uefi boot

I am trying to play with qemu uefi booting...
I found the OVMF package and installed it.

I added the "-bios /usr/share/OVMF/OVMF_CODE.secboot.fd" to my command line.
when running it says cannot load "/usr/share/OVMF/OVMF_CODE.secboot.fd"

The file is there. I'm trying this on CentOS 7.6

How do I correctly boot UEFI with qemu ?

Thanks

Jerry

epoch rpm el8 obsolete?

I am building a new workstation based on EL8 now. As someone else here mentioned, the raw EL8 distribution
is unusable as a workstation. Therefore I am building lot of additional packages. Today I came across a problem
with a custom package with an Epoch version, that kills the yum/dnf update process (it tries to find a "best"
package etc.). My actually question; is the RPM Epoch stanza obsolete now (for EL8)? I remember that they also
started to delete Groups categories ...

Server fails to boot

First some history. This is an Intel MB and processor some 6 years old,
initially running CentOS 6. It has 4 x 1TB sata drives set up in two
mdraid 1 mirrors.

Test

Just testing, sorry for the noise.

CentOS-announce Digest, Vol 173, Issue 3

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Today's Topics:

1. CEBA-2019:1338 CentOS 7 glibc BugFix Update (Johnny Hughes)
2.

CentOS-announce Digest, Vol 173, Issue 2

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Today's Topics:

1.

Creating KVM-based VM with virt-manager and virt-install on C7

Hi folks,

for learning purposes I create KVM-based VM with the virt-manager. Later
I get rid of the VM and repeat the "process" again. When recreating the
VM I always enter the same values into the wizard in virt-manager (i.e.
I want to speicfy a given MAC).

I'd like to "automate" this procedure, all of what I do in virt-manager
for creating the new VM, I' d like to do it with a bash script using
virt-install.

I' wndering if it is possible to "record" the values when I enter them
into virt-manager and extract those values for usage with virt-install?

Performance issues/difference of two servers running same task (one is quicker)

Hi

I need some advice what to do next, even if someone tells me to
check out (an)other mailing list(s), tuning site or point me in a better
direction how to solve my annoying problem: one server is much faster
for certain tasks although on "shitty" hardware.

I have tried many things to solve my issue
- changed buffer/pool/cache/etc mysqld
- changed server settings apache/php
- changed various OS settings (sysctl) e.g.

where are all the Redhat 8 -devel packages?

I'm probably missing something really simple.

I've installed an RH8 IAM in AWS and I'm trying to build packages on it.

Install of CentOS 7.6 On Dell PowerEdge R830 Hangs

All,

Seems like the latest CentOS 7.6 and I are not playing well together, these days.

I'm attempting to use our pxeboot setup to install the latest CentOS 7 on a
Dell PowerEdge R830. The install starts then gets to a certain point and
hangs. That certain point is: FADT indicates ASPM is unsupported, using BIOS configuration

Now I've tried to see where the Active Server Power Management setting is in the BIOS, but
have had no luck whatsoever.

using RedHat binary packages?

Hi folks,

AFAIK CentOS uses RedHat's source RPMs for building the next CentOS
release. I am not sure about the bootstrap procedure and the infra-
structure packages, so lets put these corner cases aside.

RedHat's "regular" binary and source packages are based on open source
(GPL2, GPL3, Apache license, whatever).

Anyone with RedHat Subscription?

Does Anyone with a RedHat subscription able to give a hint as to what
the solution to the following knowledgebase article is:

<a href="https://access.redhat.com/solutions/2801051" title="https://access.redhat.com/solutions/2801051">https://access.redhat.com/solutions/2801051</a>

I'm having a similar issue with an SFP on a Centos host, and am
searching for a way to view Optical RX/TX Power on the SFP.

From the switch side, I'm not seeing any RX Power from the Centos host.

Thanks in advance

Giles

CentOS-announce Digest, Vol 173, Issue 1

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Today's Topics:

1.

How to restore the old network interface name?

Hallo,

I need the device eth0 for one tool using centos 7.6.
Using this tutorial
<a href="https://www.certdepot.net/rhel7-restore-old-network-interface-name/" title="https://www.certdepot.net/rhel7-restore-old-network-interface-name/">https://www.certdepot.net/rhel7-restore-old-network-interface-name/</a>
doesn t work.

Thanks for a hint.

Ralf

HPE ProLiant - support Linux Vendor Firmware Service ?

hi guys

does anybody here runs on HPE ProLiant?
I was hoping you can tell whether HPE support Linux Vendor
Firmware Service and you actually get to upgrade ProLiants'
BIOS/firmware via fwupdmgr?

many thanks, L.

Migrate older disk image to new UEFI

Hi All - I have a CentOS 7 (image) that is fully updated. However its not
UEFI.

Is there a way to use an older computer and migrate my current image to be
UEFI so this new UEFI only computer I have will boot. Was hoping to not
have to completely re-install and setup for my needs.

Jerry

OT, hardware: new router and a USB winprinter

Well, the router I've had for some years now, that I had DD-WRT on, borked
itself. Went out and bought a new one, an Asus RT-AC66U. Now, I've got
this 11 yr old cute HP Laserjet... and it's a winprinter. With the version
of the DD-WRT I had, all I had to do was send the magic M$ data to it, it
would wake up, the lights on the printer telling me that it was installing
that.

New printer magically actually recognizes the printer...

Webmin Login via Url including user and password

Hallo,
is ist possible to enter webin using a url including user and password.

I ve to give some users access to the bind module via a status-webpage.

Thanks
Ralf

About PCYNLITX project and its innovations ( for C+++ multi-threading )

Previously, I have presented my project to you. The current name of my
project is PCYNLITX.

PCYNLITX platform offers completely new programming technology which can be
named as Programmable Meta-Programming System and PCYNLITX platform is just
a particular application of this new programming methodology.

Basically, PCYNLITX is an intelligent integrated development environment (
IDE ) which can produce an application-specific multi-threading library
based on your needs and assists you in multi-thread software development
process. PCYNLITX is not a multi-threading library.

Alternitives to Firefox...

OK, I recently ugraded to the current ESR release of Firefox for CentOS 6.
And I am having problems with the user interface (basically it has become hard
[for me] to use).

What alternitives are there? (Chrome and Chromium are not possible with
CentOS, and Chrome and Chromium are actually worse).

Replacing kernel-headers with custom compiled version (from kernel.org) - safe?

Hello CentOS users,

Currently I have compiled kernel version 4.19.37, which the source is from kernel.org.

iptables - how to block established connections with fail2ban?

I am working to a CentOS 6 server with nonstandard iptables system
without rule for ACCEPT ESTABLISHED connections.

CentOS-announce Digest, Vol 172, Issue 5

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Today's Topics:

1.

RHSA-2019:1150 rh-ruby24-ruby not fixed?

Hi there,

it seems like the rh-ruby24-ruby sclo has not been rebuilt yet :-?

<a href="https://access.redhat.com/errata/RHSA-2019:1150" title="https://access.redhat.com/errata/RHSA-2019:1150">https://access.redhat.com/errata/RHSA-2019:1150</a>

Kind Regards,
basti

Danger, Will Robinson: Visual Studio with CentOS

Had a manager come by, to tell me one server seemed to be running slow,
but nothing much was on it.

Well, it turned out to be a user who was using Visual Studio on his Win10
laptop to edit files on the server. And VS used sftp to get to the files.

Yeah, about that: ssh in about 4 times a second.... Things sped up with he
killed that.

Be warned.

mark

Strange Network Bug Locks Up CentOS 7 Laptop

All,

I have a user who has a Dell Precision 7520 laptop, and we're running CentOS 7, latest kernel.
This morning he had two lockup incidents.

Vulnerabilities to bind-libs bind-utils - possible to remove these on webservers

I think the subject says it all. We don't run named. It seems there are chronic issues with bind. Can these packages be removed?

We locally authenticate. I see this:

Removing for dependencies:
bind-utils
ipa-client
sssd
sssd-ad
sssd-ipa

We shouldn't need any of that with local authentication (/etc passwd and /etc/shadow) right?

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Issue with dvd/cdrom drive

Hi,
I'm having an issue with my Thinkpad P70 laptop/workstation. This system is
a dual boot,
windows 10 pro and centos 7. I have not needed to use the cdrom until now,
however the system does not see it in /dev. I know the cdrom works as I can
use it in windows 10 and when initially installing centos 7, I installed
from dvd media. I'm not sure what to check.
I do not see anything related in dmesg.

Civ 6 on CentOS?

Being as how we're looking at putting my SO on Linux (she's *so* fed up with
Windoze), big question for her: Civ 6 on CentOS? Will it run on C 7? Wait for
C 8 (which I was sort of thinking of doing, anyway)?

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