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34745 discussions

R: dplyr, doBy, and ggplot2 in CentOS7
by Larry Martell 30 Oct '17

30 Oct '17

I have a R script that I am running from python with rpy2. On a debian system I run this: apt-get install R-cran-ggplot2 R-cran-caret And the script works. I want to move this to CentOS 7 system. There it cannot find R-cran-ggplot2 or R-cran-caret. Does anyone know what packages in CentOS 7 I need for dplyr, doBy, and ggplot2?

3 4

NBD does not compile for 3.10.0-514.26.2.el7.x86_64
by Thanos Makatos 30 Oct '17

30 Oct '17

Compiling NBD kernel module for kernel 3.10.0-514.26.2.el7.x86_64 fails as follows: # make -C ../../ M=`pwd` nbd.o make: Entering directory `/root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64' CC /root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.o /root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.c: In function ‘__nbd_ioctl’: /root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.c:619:19: error: ‘REQ_TYPE_SPECIAL’ undeclared (first use in this function) sreq.cmd_type = REQ_TYPE_SPECIAL; ^ /root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.c:619:19: note: each undeclared identifier is reported only once for each function it appears in make[1]: *** [/root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64/drivers/block/nbd.o] Error 1 make: *** [nbd.o] Error 2 make: Leaving directory `/root/rpmbuild/BUILD/kernel-3.10.0-514.26.2.el7/linux-3.10.0-514.26.2.el7.x86_64' Was support for NBD dropped or was this just a human error? -- Thanos Makatos

2 1

CentOS 6 SCL - httpd24 still being updated?
by Eric 29 Oct '17

29 Oct '17

Hello, Specifically this is in reference to RHSA-2017:2483, which should increment the httpd24 packages to 25-9 in the SCL. The SA was released on August 16th 2017, so it has some age to it, but there's no corresponding CESA on it and the SCL for 6 still sits at the previous, 25-8. Some links for reference: https://access.redhat.com/errata/RHSA-2017:2483 Online repo: http://mirror.centos.org/centos/6/sclo/x86_64/rh/httpd24/ Has this packaged reached its end of updates in this repo? It's a good set of CVEs at 70+ days now. Additionally, and while I don't expect this to be in the CentOS repo yet due to its young age, there's another update to httpd24 that was just released four days ago, RHSA-2017:3018. Looking for insight, or my own self initiated face palm because I'm missing something. Thanks!

2 2

systemd-journald errors
by C. L. Martinez 29 Oct '17

29 Oct '17

Hi all, I have 5 CentOS 7 virtual guests installed (all fully patched to latest release) and i have the following error in all of them: systemd-journald[7779]: File /run/log/journal/b4a41f4214ca44f898638301891a6f2e/system.journal corrupted or uncleanly shut down, renaming and replacing. ?? .. And I don't understand why. I have configured "Storage=volatile" in journald.conf ... How can I debug this error? Is it possible to disable systemd-journald thoroughly? Thanks -- Greetings, C. L. Martinez

1 1

Configure an Out Of Office Reply with Postfix?
by Nicolas Kovacs 28 Oct '17

28 Oct '17

Hi, I'm running a Postfix mail server on CentOS 7 for our local school. Some users would like to have an out of office reply for the holiday season. I see there is a little utility called 'vacation', and I wonder if this is the right tool for the job. Any recommendations? Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Web : http://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

1 0

What free memory range is safe to operate?
by marcos valentine 27 Oct '17

27 Oct '17

Hello, Hello, There's a official documentation telling which is the percent of free memory is indicated to operate?A limit to Avoiding crashing, slow performance, and memory warnings. What are the thresholds? <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Livre de vírus. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…>. <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

2 1

kmod-jfs on Centos 6
by H 27 Oct '17

27 Oct '17

I am a bit of a noob with Linux and Centos but would like to be able to access an old external USB disk formatted JFS by OS/2. I have seen there is a kmod-jfs package on elrepo that ought to work with Centos 6 but am unsure how to install kmods without hosing my existing system... If anyone would like to be so kind to give me a short how-to, I would be very grateful. Thank you.

4 13

Not Able to Configure Nagios Server 4.3.4 in Centos 7
by Abhinay Khanna 27 Oct '17

27 Oct '17

Hi Team, I was trying to install the Nagios server in Centos 7. I had downloaded and unzipped the Nagios server and it's plugins file. As per the installation instructions I ran the commands in the concerned folders of ./configure , make , make install for both the core and the Nagios plugins. I am not able to figure out the issue behind that it is not working It did got installed using yum which was a previous 4.3.2 that that had it's own errors and wanted me to update with no update of it available in the epel repository. Can anyone help with this ? TIA Abhinay Get Outlook for Android<https://aka.ms/ghei36>

3 5

systemd - service restart another service... (how?)
by lejeczek 27 Oct '17

27 Oct '17

... but only upon its own start/restart hi everyone would you know a trick? PartOf= does the whole lot, stops when stopped, so no. Here I need only re/start, everything else is ignored. many thanks, L.

1 0

C7, docker, logging
by m.roth＠5-cent.us 27 Oct '17

27 Oct '17

Hi, folks, Well my user had errors, so I got to restart the docker daemon with --log-level=warn. And it still dumps many of what appears to be a start of a thread Oct 27 01:08:32 nice docker/38c522448368[13725]: 4 8 r_TtAr r_TtBMD r_CtBMD r_CtTh r_TbBMD r_TbN r_TbTh r_CtBATA t_TtAr t_TtBMD t_CtBMD t_CtTh t_TbBMD t_TbN t_TbTh t_CtBATA r_MoArt t_MoArt r_CtTh_EC r_CtBMD_EC1 r_CtPoPct_EC t_CtTh_EC t_CtBMD_EC1 t_CtPoPct_EC Ex9_fnbmd Ex9cb_pase Ex9cb_impute age7 ...and on for about 20 more wrapped lines into the log file, a number of ties an hour. This is *not* my idea of "warn" log level. Now, I see from the docs that you can't simply tell it a logfile to use, like /var/log/docker, but I see one of the logging drivers is something called graylog. So, I'm looking for advice: should I set up graylog, to get this crap out of my syslogs, or is there something else that's a preferred logging method? mark

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