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34748 discussions

CentOS 8 and libssh2.h
by Jerry Geis 25 Nov '19

25 Nov '19

I am trying to find libssh2.h In the past I installed libssh2-devel I have libssh2 installed. I have tried yum install libssh2-devel - nothing found yum provides "*/libssh2.h" - nothing found yum search libssh2.h - nothing found. Thoughts ? Jerry

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FINAL call for content, FOSDEM CentOS Dojo
by Rich Bowen 25 Nov '19

25 Nov '19

Ok, folks, last call for content for the FOSDEM CentOS Dojo, January 31 in Brussels. https://wiki.centos.org/Events/Dojo/Brussels2020 Note that as of right now, I'm going to have to cancel one of the two rooms for the event, because we don't have enough content. So please submit your proposals about the interesting things you're doing on CentOS, so that we can put together another awesome event. Thanks. -- Rich Bowen - rbowen(a)redhat.com @CentOSProject // @rbowen 859 351 9166

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Re: [CentOS] IBM x3500 M3 and CentOS 7.*
by Mark (Netbook) 24 Nov '19

24 Nov '19

Hello, Please can anyone help with the problem below when trying to install CentOS 7.6 on an IBM x3500 M3 from DVD or USB. CentOS 7.5 installs perfectly with no errors. CentOS 7.6 tries to boot, an error is output briefly and the workstation powers down. CentOS 7.7 displays the error briefly then continues the install with no further errors. I also tried RHEL 7.6 which installs perfectly with no errors. Any ideas? Regards, Mark Woolfson MW Consultancy Ltd Leeds LS18 4LY United Kingdom Tel: +44 113 259 1204 Mob: +44 786 065 2778

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Installing Maven with OpenJDK 11, without pulling OpenJDK 1.8
by Mathieu Baudier 23 Nov '19

23 Nov '19

Hello, I am trying to create a container image which will build Java software with Maven and Java 11 (rather focussing on CentOS 8 here). When installing 'maven' with yum, 'java-1.8.0-openjdk-devel' is installed as a dependency. If one then installs 'java-11-openjdk-devel', and use the update-alternatives command for java and javac, everything works fine and Maven uses Java 11 for the build. But I would like to avoid shipping OpenJDK 1.8 with the image, since it would uselessly double its size. An approach would be to install Maven manually, but it feels better to use the provided package. Looking at the spec file, I understand that the 'maven' package requires 'java-devel' without explicitly specifying a version. Is there some way (configuration, yum option, alternative, etc.) to make OpenJDK 11 satisfying this dependency? Could the new modules / app stream approach of CentOS 8 help here? This is of course a more general RPM / yum question, but I suspect that the Java use case is a recurring one, as many of us are currently upgrading from 1.8 to 11. Thanks in advance for hints, or telling me that there is no way to achieve this, Mathieu

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Time tracking software
by H 23 Nov '19

23 Nov '19

I am looking for suggestions for open-source time tracking software to run on CentOS. If the data can be stored in my own central database, that is a plus, as is the potential availability of some client that can run on Android. Thank you.

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DHCP server failover: advise is needed
by Valeri Galtsev 22 Nov '19

22 Nov '19

Dear Experts, I was running ISC DHCP server for longer than I would care to remember. Now I decided to climb out of the cave and configure failover set (primary-secondary), and I seem to hit brick wall, which I need help with. I only need IP v4, no v6, which may simplify things. Could someone point to a description of working DHCP failover configuration? I do not want to make two independent DHCP servers handling half of the pool each. We are not that rich as far as IP space is concerned. I am not married to ISC DHCP server, so any one I will do, because: <rant> My current configuration is something that was gradually migrated and/or adjusted through several generations of systems, and server versions over the years. It works. When I tried to incorporate what I need for failover following ISC documentation, and some people's guides, I discovered, I need more sophisticated structure of sections and subsections, which I figured out finally. But the annoying part was: in ISC documentation I failed to find general stricture of which section can appear inside which; like: a { b { c { } } } You can create each of sections/subsections following documentation, but to put them together making consistent config file you (I at least) have to figure on your own which section goes inside of which. </rant> So, I am not married to ISC DHCP server, we didn't get along now as far as my use of documentation is concerned. Anything that works - with failover! I am going to have it set up on FreeBSD, but if something works on Linux, I likely will be able to reproduce it on FreeBSD. Thanks in advance for all your answers! Valeri -- ++++++++++++++++++++++++++++++++++++++++ Valeri Galtsev Sr System Administrator Department of Astronomy and Astrophysics Kavli Institute for Cosmological Physics University of Chicago Phone: 773-702-4247 ++++++++++++++++++++++++++++++++++++++++

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sendmail on Centos 7.7
by Jerry Geis 22 Nov '19

22 Nov '19

Hi All, I am 'trying' to set SMART_HOST in sendmail to point to smtp-relay.gmail.com but when looking at the /var/log/maillog its going to mx203.inbound-mx.net. [192.110.255.243], why??? my line from sendmail.mc define(`SMART_HOST', `smtp-relay.gmail.com') I did make in /etc/mail and service sendmail restart This is the only SMART_HOST in the config file. I started with the default CentOS 7.7 sendmail.mc and have not added anything else. just changed teh SMART_HOST. Why is mail relay to mx203.inbound-mx.net ???? Nov 22 08:16:00 lsi001 sendmail[9286]: xAMDFxlA009286: to= user.someone(a)gmail.com, ctladdr=root (0/0), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=30197, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (xAMDFxjQ009287 Message accepted for delivery) Nov 22 08:16:00 lsi001 sendmail[9289]: STARTTLS=client, relay= mx203.inbound-mx.net., version=TLSv1/SSLv3, verify=FAIL, cipher=AES256-SHA, bits=256/256 Nov 22 08:16:01 lsi001 sendmail[9289]: xAMDFxjQ009287: to=< user.someone(a)gmail.com>, ctladdr=<root(a)machine.somewhere.com> (0/0), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=120519, relay= mx203.inbound-mx.net. [192.110.255.243], dsn=2.0.0, stat=Sent (Queued!) Thanks. How do find out why its going to the wrong place ? Jerry

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Re: [CentOS] sendmail on Centos 7.7
by Richard 22 Nov '19

22 Nov '19

> Date: Friday, November 22, 2019 08:21:57 -0500 > From: Jerry Geis <jerry.geis(a)gmail.com> > > Hi All, > > I am 'trying' to set SMART_HOST in sendmail to point to > smtp-relay.gmail.com but when looking at the /var/log/maillog its > going to mx203.inbound-mx.net. [192.110.255.243], > > why??? > > my line from sendmail.mc > define(`SMART_HOST', `smtp-relay.gmail.com') > I did make in /etc/mail and service sendmail restart > > This is the only SMART_HOST in the config file. I started with the > default CentOS 7.7 sendmail.mc and have not added anything else. > just changed teh SMART_HOST. > > Why is mail relay to mx203.inbound-mx.net ???? > > Nov 22 08:16:00 lsi001 sendmail[9286]: xAMDFxlA009286: to= > user.someone(a)gmail.com, ctladdr=root (0/0), delay=00:00:01, > xdelay=00:00:01, mailer=relay, pri=30197, relay=[127.0.0.1] > [127.0.0.1], dsn=2.0.0, stat=Sent (xAMDFxjQ009287 Message accepted > for delivery) > Nov 22 08:16:00 lsi001 sendmail[9289]: STARTTLS=client, relay= > mx203.inbound-mx.net., version=TLSv1/SSLv3, > verify=FAIL, cipher=AES256-SHA, bits=256/256 > Nov 22 08:16:01 lsi001 sendmail[9289]: xAMDFxjQ009287: to=< > user.someone(a)gmail.com>, ctladdr=<root(a)machine.somewhere.com> (0/0), > delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=120519, relay= > mx203.inbound-mx.net. [192.110.255.243], dsn=2.0.0, stat=Sent > (Queued!) > > Thanks. How do find out why its going to the wrong place ? I would start by looking at the .cf file to make certain that it got written out correctly. You should find lines like: # "Smart" relay host (may be null) DSsmtp-relay.gmail.com If that looks right, then see what happens when you do dns queries for "smtp-relay.gmail.com" on that machine.

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Re: [CentOS] Issue with "ExecStartPost" attribute in systemd daemon fail
by Gestió Servidors 22 Nov '19

22 Nov '19

Hi, it seems there is no difference in "systemctl status crond" :( El 22/11/2019 a las 13:00, centos-request(a)centos.org<mailto:centos-request@centos.org> escribió: Message: 3 Date: Thu, 21 Nov 2019 14:41:25 +0100 From: Leon Fauster <leonfauster(a)googlemail.com><mailto:leonfauster@googlemail.com> To: centos(a)centos.org<mailto:centos@centos.org> Subject: Re: [CentOS] Issue with "ExecStartPost" attribute in systemd daemon faile Message-ID: <b58a12c2-5e5c-f7ce-d69d-d464538f1972(a)gmail.com><mailto:b58a12c2-5e5c-f7ce-d69d-d464538f1972@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Am 21.11.19 um 14:28 schrieb Gesti? Servidors: Hello, I'm trying to configure a daemon (I'm doing tests with "crond" daemon) to send me an email after daemon restart. My "crond.service" file is: # /etc/systemd/system/crond.service [Unit] Description=Command Scheduler After=auditd.service systemd-user-sessions.service time-sync.target #OnFailure=crond-notify-email(a)%i.service [Service] EnvironmentFile=/etc/sysconfig/crond ExecStart=/usr/sbin/crond -n $CRONDARGS ExecReload=/bin/kill -HUP $MAINPID KillMode=process Restart=on-failure RestartSec=10s ExecStartPost=/bin/sh -c "/etc/systemd/system/test.sh" [Install] WantedBy=multi-user.target My "test.sh" is very simple: #!/bin/sh echo "CROND is restarting" | /usr/bin/mailx -s "crond failure notification" myemailaddress@mydomain As you can see, I have added lines "Restart=on-failure", "RestartSec=10s" and " ExecStartPost=/bin/sh -c "/etc/systemd/system/test.sh"" to the original crond.service daemon file. Then, I run "systemctl daemon-reconfigure" and, from one console, I run "kill -9 `pidof cron`" for restarting crond daemon. After it, I receive an email... But now, if I run again ""kill -9 `pidof cron`", I don't receive any mail... I have notice that if I run "systemctl daemon-reload" and then kill crond process, mail is sent perfectly... but if I don't run "systemctl daemon-reload", mail is sent ONLY first time... Why? What is "status" showing (systemctl status crond)? For both cases (first/second kill)? Any differences? -- Leon

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CentOS-announce Digest, Vol 177, Issue 5
by centos-announce-request＠centos.org 22 Nov '19

22 Nov '19

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CEBA-2019:3856 CentOS 6 udev BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 21 Nov 2019 17:00:13 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2019:3856 CentOS 6 udev BugFix Update Message-ID: <20191121170013.GA5573(a)bstore1.rdu2.centos.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2019:3856 Upstream details at : https://access.redhat.com/errata/RHBA-2019:3856 The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: e238940087eba7a77b8e80ddc062fb8b27d1c2154e7216c14615c62a11bb1171 libgudev1-147-2.74.el6_10.i686.rpm fe383c264f0d1d887fbc3103bc78a9d379b7bdf0e54830d2be489b94ad969c42 libgudev1-devel-147-2.74.el6_10.i686.rpm 109fb20d3900b3997b0a5e9ffbdc0d6dfe2cc612921b81f58c50a9029f7fa9d9 libudev-147-2.74.el6_10.i686.rpm 763903775dc41c7e615ac6b81475c86a7fc021d7374d19fccbbb25af1d9c38b7 libudev-devel-147-2.74.el6_10.i686.rpm e6dc596d6e4b71fec1d61a1b97d79c980213c2bb181856b9c502808b32511deb udev-147-2.74.el6_10.i686.rpm x86_64: e238940087eba7a77b8e80ddc062fb8b27d1c2154e7216c14615c62a11bb1171 libgudev1-147-2.74.el6_10.i686.rpm a2084d7196fc5fadb1ade692409247fef882c86dda0fc019c6bd258d53493793 libgudev1-147-2.74.el6_10.x86_64.rpm fe383c264f0d1d887fbc3103bc78a9d379b7bdf0e54830d2be489b94ad969c42 libgudev1-devel-147-2.74.el6_10.i686.rpm ad3e6b2c8fc162981001985a3109cf11e4e61978bedc995a4425608cf5b6fdf9 libgudev1-devel-147-2.74.el6_10.x86_64.rpm 109fb20d3900b3997b0a5e9ffbdc0d6dfe2cc612921b81f58c50a9029f7fa9d9 libudev-147-2.74.el6_10.i686.rpm d2a3a49abcaf44923af02a46b3a33dd79325365f8560d7a570609b96286cdb4e libudev-147-2.74.el6_10.x86_64.rpm 763903775dc41c7e615ac6b81475c86a7fc021d7374d19fccbbb25af1d9c38b7 libudev-devel-147-2.74.el6_10.i686.rpm 4bbf43f5a02ec59527c1fd8909fb7f85ff5c47a9bb38bf81f3fbbc6ec282481b libudev-devel-147-2.74.el6_10.x86_64.rpm 226ab4ca0abe61cfe9b7b91ae9185087f39ddc4338aea7b22bf0f54717f5da31 udev-147-2.74.el6_10.x86_64.rpm Source: 43ceefd949dc838ce1fc222bb4e8b00f7198e4433277a6ac2e574479517e3ee2 udev-147-2.74.el6_10.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net Twitter: @JohnnyCentOS ------------------------------ Subject: Digest Footer _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org https://lists.centos.org/mailman/listinfo/centos-announce ------------------------------ End of CentOS-announce Digest, Vol 177, Issue 5 ***********************************************

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