Discuss January 2016

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CentOS-announce Digest, Vol 131, Issue 7
by centos-announce-request＠centos.org 22 Jan '16

22 Jan '16

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. Announcing release for Gluster 3.6 and 3.7 on CentOS Linux 6 x86_64 (Niels de Vos) 2. CESA-2016:0054 Important CentOS 5 java-1.7.0-openjdk Security Update (Johnny Hughes) 3. CESA-2016:0054 Important CentOS 7 java-1.7.0-openjdk Security Update (Johnny Hughes) 4. CESA-2016:0049 Critical CentOS 7 java-1.8.0-openjdk Security Update (Johnny Hughes) 5. CESA-2016:0053 Critical CentOS 6 java-1.7.0-openjdk Security Update (Johnny Hughes) 6. CESA-2016:0050 Important CentOS 6 java-1.8.0-openjdk Security Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Thu, 21 Jan 2016 17:07:10 +0100 From: Niels de Vos <ndevos(a)redhat.com> To: centos-announce(a)centos.org Subject: [CentOS-announce] Announcing release for Gluster 3.6 and 3.7 on CentOS Linux 6 x86_64 Message-ID: <20160121160710.GY4466(a)ndevos-x240.usersys.redhat.com> Content-Type: text/plain; charset="us-ascii" I am happy to announce the General Availability of Gluster 3.6 and 3.7 for CentOS 6 on x86_64. These packages are following the upstream Gluster Community releases, with one minor update for each version per month. Users of CentOS 6 can now simply install Gluster with only these two commands: # yum install centos-release-gluster # yum install glusterfs-server The centos-release-gluster content comes from the centos-release-gluster37 package delivered via CentOS Extras repos. This contains all the metadata and dependancy information, needed to install Gluster 3.7. For people looking at running Gluster 3.6, there is the centos-release-gluster36 package. In order to get this version, substitute the step-1 mentioned above with: # yum install centos-release-gluster36 We have a quickstart guide specifically built around the packages are available now, it makes for a good introduction to Gluster and will help get you started in just a few simple steps, this quick start is available at https://wiki.centos.org/SpecialInterestGroup/Storage/gluster-Quickstart More details about the packages that the Gluster project provides in the Storage SIG is available in the documentation: https://wiki.centos.org/SpecialInterestGroup/Storage/Gluster The centos-release-gluster* repositories offer additional packages that enhance the usability of Gluster itself. Users can request additional tools and applications to be provided, just send us an email with your suggestions. The current list of packages that is (planned to become) available can be found here: https://wiki.centos.org/SpecialInterestGroup/Storage/Gluster/Ecosystem-pkgs Gluster is the first project that provides packages through the Storage SIG. Other projects are in the process to do so too. General information about the SIG can be read in the wiki: https://wiki.centos.org/SpecialInterestGroup/Storage We welcome all feedback, comments and contributions. You can get in touch with the CentOS Storage SIG on the centos-devel mailing list ( https://lists.centos.org ) and with the Gluster developer and user communities at https://www.gluster.org/mailman/listinfo , we are also available on irc at #gluster on irc.freenode.net, and on twitter at @gluster . Cheers, Niels de Vos Storage SIG member & Gluster maintainer

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CentOS 7 magically rebooted!
by Tom Robinson 22 Jan '16

22 Jan '16

CentOS Linux release 7.2.1511 (Core) Hi, Last night our CentOS 7 server rebooted. Seemingly it's a very clean reboot. I can't find a shred of evidence as to why it happened though. Things I've checked: * sa reports * /var/log/{messages,secure,dmesg,cron} * /var/log/audit/audit.log * lastlog The host is used for KVM virtualisation and connects via multipathing to our OmniOS SAN via infiniband. I can provide any logging you may think helpful Here's an excerpt from /var/log/messages at the time of reboot: ---8<--- Jan 21 23:32:01 daytona systemd: Starting Session 10964 of user root. Jan 21 23:32:12 daytona systemd: Started Amanda Backup System (192.168.0.31:703). Jan 21 23:32:12 daytona systemd: Starting Amanda Backup System (192.168.0.31:703)... Jan 21 23:33:01 daytona systemd: Started Session 10965 of user root. Jan 21 23:33:01 daytona systemd: Starting Session 10965 of user root. Jan 21 23:34:01 daytona systemd: Started Session 10966 of user root. Jan 21 23:34:01 daytona systemd: Starting Session 10966 of user root. Jan 21 23:35:01 daytona systemd: Started Session 10967 of user root. Jan 21 23:35:01 daytona systemd: Starting Session 10967 of user root. Jan 21 23:35:34 daytona systemd: Started Amanda Backup System (192.168.0.31:703). Jan 21 23:35:34 daytona systemd: Starting Amanda Backup System (192.168.0.31:703)... Jan 21 23:36:01 daytona systemd: Started Session 10968 of user root. Jan 21 23:36:01 daytona systemd: Starting Session 10968 of user root. Jan 21 23:36:50 daytona systemd: Started Amanda Backup System (192.168.0.31:703). Jan 21 23:36:50 daytona systemd: Starting Amanda Backup System (192.168.0.31:703)... Jan 21 23:37:02 daytona systemd: Started Session 10969 of user root. ---8<--- Jan 21 23:53:01 daytona systemd: Starting Session 10985 of user root. Jan 21 23:54:01 daytona systemd: Started Session 10986 of user root. Jan 21 23:54:01 daytona systemd: Starting Session 10986 of user root. Jan 21 23:55:01 daytona systemd: Started Session 10987 of user root. Jan 21 23:55:01 daytona systemd: Starting Session 10987 of user root. Jan 21 23:56:01 daytona systemd: Started Session 10988 of user root. Jan 21 23:56:01 daytona systemd: Starting Session 10988 of user root. Jan 21 23:57:01 daytona systemd: Started Session 10989 of user root. Jan 21 23:57:01 daytona systemd: Starting Session 10989 of user root. Jan 21 23:58:01 daytona systemd: Started Session 10990 of user root. Jan 21 23:58:01 daytona systemd: Starting Session 10990 of user root. Jan 22 00:05:10 daytona rsyslogd: [origin software="rsyslogd" swVersion="7.4.7" x-pid="6886" x-info="http://www.rsyslog.com"] start Jan 22 00:05:10 daytona rsyslogd-2307: warning: ~ action is deprecated, consider using the 'stop' statement instead [try http://www.rsyslog.com/e/2307 ] Jan 22 11:02:38 daytona journal: Runtime journal is using 8.0M (max allowed 4.0G, trying to leave 4.0G free of 125.8G available → current limit 4.0G). Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpuset Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpu Jan 22 11:02:38 daytona kernel: Initializing cgroup subsys cpuacct Jan 22 11:02:38 daytona kernel: Linux version 3.10.0-327.4.4.el7.x86_64 (builder(a)kbuilder.dev.centos.org) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Tue Jan 5 16:07:00 UTC 2016 Jan 22 11:02:38 daytona kernel: Command line: BOOT_IMAGE=/vmlinuz-3.10.0-327.4.4.el7.x86_64 root=/dev/mapper/centos-root ro rd.lvm.lv=centos/swap rd.iscsi.firmware crashkernel=auto vconsole.keymap=us vconsole.font=latarcyrheb-sun16 ip=ibft bridge=br0:ibft0 rd.lvm.lv=centos/root LANG=en_AU.UTF-8 Jan 22 11:02:38 daytona kernel: e820: BIOS-provided physical RAM map: Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x0000000000000000-0x0000000000095fff] usable Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x0000000000096000-0x000000000009ffff] reserved Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x0000000000100000-0x000000007df5cfff] usable Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x000000007df5d000-0x000000007e0c8fff] reserved Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x000000007e0c9000-0x000000007e2d7fff] ACPI NVS Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x000000007e2d8000-0x000000007f352fff] reserved Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x000000007f353000-0x000000007f7fffff] ACPI NVS Jan 22 11:02:38 daytona kernel: BIOS-e820: [mem 0x0000000080000000-0x000000008fffffff] reserved ---8<--- Jan 22 11:05:00 daytona systemd: Starting Switch Root. Jan 22 11:05:00 daytona systemd: Starting Switch Root... Jan 22 11:05:00 daytona multipathd: 3600144f00000000000005272fc8f0002: stop event checker thread (139795286001408) Jan 22 11:05:00 daytona systemd: Switching root. Jan 22 11:05:00 daytona journal: Journal stopped Jan 22 00:05:03 daytona journal: Runtime journal is using 8.0M (max allowed 4.0G, trying to leave 4.0G free of 125.8G available → current li mit 4.0G). Jan 22 00:05:03 daytona journal: Runtime journal is using 8.0M (max allowed 4.0G, trying to leave 4.0G free of 125.8G available → current li mit 4.0G). Jan 22 00:05:03 daytona systemd-journald[322]: Received SIGTERM from PID 1 (systemd). Jan 22 00:05:03 daytona kernel: type=1404 audit(1453421101.209:2): enforcing=1 old_enforcing=0 auid=4294967295 ses=4294967295 Jan 22 00:05:03 daytona kernel: type=1403 audit(1453421101.610:3): policy loaded auid=4294967295 ses=4294967295 Jan 22 00:05:03 daytona systemd[1]: Successfully loaded SELinux policy in 425.378ms. The messages 'Starting Session ...' appear every minute for several hours due to a couple of ssh sessions I left logged in. Is that cause for concern? Other than that there were a couple of messages from the amanda backup. Then the host reboots. The timestamp at boot is of note: it reverts to UTC and then back to our local timezone at the end of the boot cycle. Is that normal and can it be configured otherwise? Any help is appreciated. Kind regards, Tom -- Tom Robinson IT Manager/System Administrator MoTeC Pty Ltd 121 Merrindale Drive Croydon South 3136 Victoria Australia T: +61 3 9761 5050 F: +61 3 9761 5051 E: tom.robinson(a)motec.com.au

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snat packet going out a bridge
by Steve Clark 21 Jan '16

21 Jan '16

Hi List, I am running into a problem where I have 2 interfaces bridged with and ip address assigned. I have another interface in which traffic has ingress traffic that needs to go out the bridged interface. I am trying unsuccessfully to SNAT the traffic leaving the bridge interface to its assigned address. # brctl show xbrdg0 bridge name bridge id STP enabled interfaces xbrdg0 8000.000c297aa55f no eth0 eth1 # ip a s xbrdg0 11: xbrdg0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 00:0c:29:7a:a5:5f brd ff:ff:ff:ff:ff:ff inet 192.168.100.3/24 scope global xbrdg0 # ip a s eth5 7: eth5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:0c:29:7a:a5:7d brd ff:ff:ff:ff:ff:ff inet 10.10.0.1/29 scope global eth5 default via 192.168.100.1 dev xbrdg0 So I want traffic coming in eth5 with 10.10.0.x addresses to be source natted to 192.168.100.3. But my iptables nat statement never gets hit. Chain POSTROUTING (policy ACCEPT 172 packets, 31384 bytes) pkts bytes target prot opt in out source destination 0 0 SNAT all -- * xbrdg0 0.0.0.0/0 0.0.0.0 to:192.168.100.3 29 1933 MASQUERADE all -- * tun+ 0.0.0.0/0 0.0.0.0/0 # ping -I 10.10.0.1 8.8.8.8 # tcpdump -nli xbrdg0 icmp or arp tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on xbrdg0, link-type EN10MB (Ethernet), capture size 65535 bytes 12:52:06.914295 IP 10.10.0.1 > 8.8.8.8: ICMP echo request, id 38932, seq 1, length 64 12:52:07.914592 IP 10.10.0.1 > 8.8.8.8: ICMP echo request, id 38932, seq 2, length 64 12:52:08.914579 IP 10.10.0.1 > 8.8.8.8: ICMP echo request, id 38932, seq 3, length 64 Any ideas? Thanks, Steve -- Stephen Clark

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Radeon driver with HD 2600 pro and dual head
by Tim 21 Jan '16

21 Jan '16

Hey list, I got a problem with a Gigabyte radeon HD 2600 pro card regarding my multi head setup with . This card has two DVI connectors. The second monitor has the state of being disconnected after startup (xrandr -q). When I disconnect it and reconnect sometimes the screen comes up and the second monitor shows up in display settings. It doesn't matter which port of the card I use first - the other one is disconnected. Any idea where I can take a look at? Thanks in advance Regards Tim

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signing RPM packages with SHA256
by Alice Wonder 21 Jan '16

21 Jan '16

hi, I noticed that RPM packages I sign use SHA1 Signature : RSA/SHA1, Fri 08 Jan 2016 10:50:58 AM PST, Key ID ad3b591d147abf59 Signatures from CentOS 7 use SHA256 Signature : RSA/SHA256, Wed 06 Jan 2016 08:54:58 AM PST, Key ID 24c6a8a7f4a80eb5 I'm trying to find where / how to use sha256 when I sign packages but I am not having much luck. Closest I have found is this : https://fedoraproject.org/wiki/RPM_file_format_changes_to_support_SHA-256 That page appears to be from 2009 and six years is a really long time, things change a lot. Is there an up to date reference somewhere on RPM package signing that I haven't stumbled upon yet? SHA1 is broken. I shouldn't be using it. CentOS 7 is all I build packages for. Thank you.

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ifenslave vs. /etc/sysconfig/network-scripts
by Nicholas Geovanis 21 Jan '16

21 Jan '16

How does the ifenslave command relate to "normal" network slave configuration in /etc/sysconfig/network-scripts? Does config-file-based setup use ifenslave or is it more complicated than that? Thanks....Nick

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Failed to start polkit.service: Connection timed out
by Henry McLaughlin 21 Jan '16

21 Jan '16

This is related to another earlier post regarding "realm discover" I want to set the timezone to Melbourne/Australia which failed with: [root@sssd-testing ~]# timedatectl set-timezone Australia/Melbourne Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Timeout was reached (g-io-error-quark, 24) Failed to set time zone: Connection timed out I found the following which suggests the error is caused by the polkit service failing to start: http://unix.stackexchange.com/questions/249575/systemctl-keeps-timing-out-o… When I reinstall and try to start the polkit service in accordance with the post above I receive the following: [root@sssd-testing ~]# systemctl start polkit Error getting authority: Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: Timeout was reached (g-io-error-quark, 24) Failed to start polkit.service: Connection timed out When I call the service directly in accordance with the post above I receive: [root@sssd-testing ~]# /usr/lib/polkit-1/polkitd Successfully changed to user polkitd Error getting system bus: Could not connect: Permission denied ** (polkitd:922): WARNING **: Error getting system bus: Could not connect: Permission denied 10:44:10.564: Loading rules from directory /etc/polkit-1/rules.d 10:44:10.564: Loading rules from directory /usr/share/polkit-1/rules.d 10:44:10.564: Finished loading, compiling and executing 2 rules Entering main event loop 10:44:10.564: Lost the name org.freedesktop.PolicyKit1 - exiting Shutting down Exiting with code 0 The post below identifies a similar issue with the polkit service not starting however I have confirmed dbus is running and the polkitd user does exist. https://bbs.archlinux.org/viewtopic.php?id=161291 [root@sssd-testing ~]# ps ax | grep dbus 221 ? Ss 0:00 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation 929 pts/1 S+ 0:00 grep --color=auto dbus [root@sssd-testing ~]# getent passwd polkitd polkitd:x:997:995:User for polkitd:/:/sbin/nologin

1 0

realm discover
by Henry McLaughlin 21 Jan '16

21 Jan '16

I am new to CentOS and trying to setup a Samba file server however when discovering domains I receive an authorisation error: [root@sssd-testing ~]# id uid=0(root) gid=0(root) groups=0(root) [root@sssd-testing ~]# realm discover realm: Couldn't discover realms: Not authorized to perform this action

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Monitor Dummy Device
by Joey 21 Jan '16

21 Jan '16

Hello List, i want to use a Dual-Screen Solution without connected a second Monitor. Its a solution available, that a physical monitor/Device is simulated? I want to use it on KDE. Thank you. Joey

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Re: [CentOS] HDD badblocks
by James B. Byrne 20 Jan '16

20 Jan '16

On Tue, January 19, 2016 18:36, John R Pierce wrote: > On 1/19/2016 3:29 PM, J Martin Rushton wrote: >> I suspect that the gold layer on edge connectors 30-odd years ago >> was >> a lot thicker than on modern cards. We are talking contacts on 0.1" >> spacing not some modern 1/10 of a knat's whisker. (Off topic) I >> also >> remember seeing engineers determine which memory chip was at fault >> and >> replacing the chip using a soldering iron. Try that on a DIMM! > > indeed, I pretty much quit doing component level electronics when > everything went to surface mount. > > Kids these days! I remember taking the vacuum tubes to the testing centre in the corner drug-store to see which ones need replacing. Apologies to the four Yorkshiremen. -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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