Discuss May 2015

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140 participants
131 discussions

unreachable peer
by Leon Fauster 27 May '15

27 May '15

Hey all, I have a public peer system (yy.yy.yy.yy) that is reachable via my home uplink (xx.xx.xx.xxx). 15:59:30.244199 IP xx.xx.xx.xxx.42958 > yy.yy.yy.yy.https: tcp 0 15:59:30.281931 IP yy.yy.yy.yy.https > xx.xx.xx.xxx.42958: tcp 0 15:59:30.281945 IP xx.xx.xx.xxx.42958 > yy.yy.yy.yy.https: tcp 0 15:59:30.305020 IP xx.xx.xx.xxx.42958 > yy.yy.yy.yy.https: tcp 105 15:59:30.344004 IP yy.yy.yy.yy.https > xx.xx.xx.xxx.42958: tcp 1412 15:59:30.344013 IP xx.xx.xx.xxx.42958 > yy.yy.yy.yy.https: tcp 0 15:59:30.344016 IP yy.yy.yy.yy.https > xx.xx.xx.xxx.42958: tcp 23 At the office we have a EL5 based router that can not reach the mentioned system. It does not give any hint about the problem. 15:57:51.751591 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 15:57:54.750834 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 15:58:00.749351 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 15:58:12.746408 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 15:58:36.740454 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 15:59:24.728605 IP o.ff.i.ce.50902 > yy.yy.yy.yy.https: tcp 0 I tried to connect with a removed ecn bit [1] [1] https://en.wikipedia.org/wiki/Explicit_Congestion_Notification but this was not the solution. Any ideas? -- Thanks in advance! LF

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specify port on check_memcached.pl
by Tim Dunphy 27 May '15

27 May '15

Hey guys, I'm trying use check_memcached.pl to monitor a couple of memcached services running on two ports. I have my command definition setup like this: # 'check_memcached' command definition define command { command_name check_memcached command_line $USER1$/check_memcached.pl -H $HOSTADDRESS$ -p $ARG1$ } And I have my service definitions setup like this: # Define a service to check memcached on web1 (just the basics for right now). define service{ use local-service ; Name of service template to use host_name web1 service_description Check Memcached 11211 contact_groups linux-admins check_command check_memcached!web1.example.com !11211 notifications_enabled 1 } # Define a service to check memcached on web1 (just the basics for right now). define service{ use local-service ; Name of service template to use host_name web1 service_description Check Memcached 11212 contact_groups linux-admins check_command check_memcached!web1.example.com !11212 notifications_enabled 1 } And if I run both checks manually they succeed: [root@monitor1:/usr/local/nagios/etc/objects/servers] #../../../libexec/ check_memcached.pl -H web1.example.com -p 11211 MEMCACHE OK: memcached 1.4.22 on web1.example.com:11211, up 22 minutes 52 seconds [root@monitor1:/usr/local/nagios/etc/objects/servers] #../../../libexec/ check_memcached.pl -H web1.example.com -p 11212 MEMCACHE OK: memcached 1.4.22 on web1.example.com:11212, up 12 minutes 2 seconds Yet, in my nagios web interface, I'm getting this error: Check Memcached 11211 <https://nagios.jokefire.com/nagios/cgi-bin/extinfo.cgi?type=2&host=web1&ser…> CRITICAL 05-24-2015 14:28:31 0d 0h 10m 19s 4/4 CRITICAL ERROR - Can not connect to '162.243.60.6' on port 0 Check Memcached 11212 <https://nagios.jokefire.com/nagios/cgi-bin/extinfo.cgi?type=2&host=web1&ser…> CRITICAL 05-24-2015 14:29:12 0d 0h 11m 8s 4/4 CRITICAL ERROR - Can not connect to '162.243.60.6' on port 0 I thought I could specify the command in the service definition like this: check_memcached!web1.example.com!11211 To reproduced the command as it's executed on the command line. How can I specify the port correctly here? Thanks, Tim -- GPG me!! gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B

3 2

KVM Kernel crash problem
by Günther J. Niederwimmer 27 May '15

27 May '15

Hello, With my new system centos 7.1 and KVM I have kernel crashes on boot in the DomU's like this id c51a566956f67146b061f2e7500c78090fe6eed4 reason: BUG: soft lockup - CPU#2 stuck for 23s! [192.168.90.200-:1459] time: Mo 25 Mai 2015 22:07:35 CEST cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-229.4.2.el7.x86_64 root=UUID=b45384af-3198-4d06-a5c3-7d66741a4c04 ro crashkernel=auto rhgb quiet LANG=en_US.UTF-8 systemd.debug package: kernel count: 7 Directory: /var/tmp/abrt/oops-2015-05-25-22:07:35-1525-0 id 236eec9255f43fc1541b302919d5d5c18e8e1d60 reason: BUG: soft lockup - CPU#2 stuck for 22s! [192.168.90.200-:1459] time: Mo 25 Mai 2015 22:09:03 CEST cmdline: BOOT_IMAGE=/vmlinuz-3.10.0-229.4.2.el7.x86_64 root=UUID=b45384af-3198-4d06-a5c3-7d66741a4c04 ro crashkernel=auto rhgb quiet LANG=en_US.UTF-8 systemd.debug count: 1 Directory: /var/tmp/abrt/oops-2015-05-25-22:09:03-2645-0 Gemeldet: kann nicht berichtet werden I tested this on 2 systems but the problem exists? What can I do to report this crash? 'abrt-auto-reporting enabled' has no function missing file, have any a hint what can I do? -- mit freundlichen Grüssen / best regards, Günther J. Niederwimmer

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Gcc issue on C7
by Fred Smith 26 May '15

26 May '15

I apologize up front, I'm sure this isn't the right place to ask, but I'm not sure where I should ask, instead. Hoping for some helpful hints in that regard... I'm using (trying to use...) the -fsanitize=thread feature. Though I'm finding the diagnostics rather cryptic, that isn't my issue here. Suddenly, a few days ago, I started getting this error while running the app i'm testing: [New Thread 0x7fcd41ec1700 (LWP 8142)] [New Thread 0x7fcd41692700 (LWP 8143)] [New Thread 0x7fcd40e63700 (LWP 8144)] [New Thread 0x7fcd3bfff700 (LWP 8145)] [New Thread 0x7fcd3b7fe700 (LWP 8146)] [New Thread 0x7fcd3affd700 (LWP 8147)] [New Thread 0x7fcd3a7fc700 (LWP 8148)] [New Thread 0x7fcd39ffb700 (LWP 8149)] [New Thread 0x7fcd397fa700 (LWP 8150)] [New Thread 0x7fcd38ff9700 (LWP 8151)] [New Thread 0x7fcd2f9ea700 (LWP 8152)] [New Thread 0x7fcd2f1e9700 (LWP 8153)] ThreadSanitizer: longjmp() is not supported [Thread 0x7fcd2f1e9700 (LWP 8153) exited] [Thread 0x7fcd2f9ea700 (LWP 8152) exited] [Thread 0x7fcd38ff9700 (LWP 8151) exited] [Thread 0x7fcd397fa700 (LWP 8150) exited] [Thread 0x7fcd39ffb700 (LWP 8149) exited] [Thread 0x7fcd3a7fc700 (LWP 8148) exited] [Thread 0x7fcd3affd700 (LWP 8147) exited] [Thread 0x7fcd3b7fe700 (LWP 8146) exited] [Thread 0x7fcd3bfff700 (LWP 8145) exited] [Thread 0x7fcd40e63700 (LWP 8144) exited] [Thread 0x7fcd41ec1700 (LWP 8142) exited] [Thread 0x7fcd47858700 (LWP 8141) exited] The message about longjmp() is the issue. This app doesn't use longjmp or siglongjump or any other of its cousins. It's possible that some 3rd-party lib (Oracle??) might, but I don't know why it has been working for several weeks and suddenly starts giving me this error... Clues welcome, thanks! -- ---- Fred Smith -- fredex(a)fcshome.stoneham.ma.us ---------------------------- Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary, and his understanding no one can fathom. ----------------------------- Isaiah 40:28 (niv) -----------------------------

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CVE-2014-4043 posix_spawn_file_actions_addopen
by Patrick Rael 26 May '15

26 May '15

Hi, Is there an ETA on when CVE-2014-4043 for glibc will be fixed in centos. I see the upstream vendor version glibc-2.20 has this fix supposedly, but I don't see this specific fix in the centos glibc changelogs. I've compiled the test code for this bug and as of glibc-2.17.77 the test reports the bug is present. Preferably we'd like this fix on centos6.6 as we can't move to 7.0 yet. Thanks, -->Pat

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"selinux --disabled" in kickstart file does NOT disable SELINUX
by Charlie Brune 26 May '15

26 May '15

Has the "selinux --disabled" line for kickstart files been depreciated? My CentOS 6.6 kickstart file contains the line: selinux --disabled After the install completes, SELinux is enabled instead of disabled. /etc/selinux/config contains "SELINUX=enforcing" instead of "SELINUX=disabled". Thanks, Charlie

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CentOS-announce Digest, Vol 123, Issue 9
by centos-announce-request＠centos.org 26 May '15

26 May '15

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://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-2015:1025 CentOS 6 firefox BugFix Update (Johnny Hughes) 2. CEBA-2015:1024 CentOS 5 rsyslog5 BugFix Update (Johnny Hughes) 3. CEBA-2015:1026 CentOS 5 firefox BugFix Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 25 May 2015 14:36:16 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1025 CentOS 6 firefox BugFix Update Message-ID: <20150525143616.GA592(a)n04.lon1.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1025 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1025.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 4345bd1df5b83359f0be4b26593a3c54610ad3f2d8444930c302311210bb88d7 firefox-38.0.1-1.el6.centos.i686.rpm x86_64: 4345bd1df5b83359f0be4b26593a3c54610ad3f2d8444930c302311210bb88d7 firefox-38.0.1-1.el6.centos.i686.rpm c5171dd56742ba8dc66c2c37fb3d98e42bd01f78dab535340bab639df881b9cd firefox-38.0.1-1.el6.centos.x86_64.rpm Source: 802da2511cfdb9eb1ffbb1e52348b4e7c922707a4dcc8b180cde6827d22501c5 firefox-38.0.1-1.el6.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 2 Date: Mon, 25 May 2015 14:47:48 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1024 CentOS 5 rsyslog5 BugFix Update Message-ID: <20150525144748.GA30660(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1024 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1024.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: 3e094236ec2178eea5eccc8207dffb5d32f396ce3028f048514668e2d0e55364 rsyslog5-5.8.12-7.el5_11.i386.rpm 7b497a21efa70cc6d300fc0900e4d2e12bebc6774c5c13cecce54bd25adb2bd1 rsyslog5-gnutls-5.8.12-7.el5_11.i386.rpm d7dd7646283c69dd965d1c96a3af97000569a4082b95bfb54c3b5e26ee0782e8 rsyslog5-gssapi-5.8.12-7.el5_11.i386.rpm 83fafa010504b55887c1fbaa045ceacbb55acf0be224286d6d7284a8d8d2c5f9 rsyslog5-mysql-5.8.12-7.el5_11.i386.rpm f27e86c434717b5654fb0ec1fdd4708a0ed80adf16b1dfdf1c3e3737e3bef808 rsyslog5-pgsql-5.8.12-7.el5_11.i386.rpm d2f8141ef436aad686d256ac7c810e0af18b80525840e6ef39304c83606070f9 rsyslog5-snmp-5.8.12-7.el5_11.i386.rpm x86_64: 1e9be5e99e9381e353efaa8f7063e3448f18b08da7fe7972502e94da8ab6879c rsyslog5-5.8.12-7.el5_11.x86_64.rpm 311c186b0746795e7f5dc260e3d858dab6b3d5ed96d1b592b2bbbadbb5409cf2 rsyslog5-gnutls-5.8.12-7.el5_11.x86_64.rpm 06880d6705ac5dd688d02752abf5fbf468b2632f1a1c1299fd55bbaa8f12af14 rsyslog5-gssapi-5.8.12-7.el5_11.x86_64.rpm 7624919a44cf03a0bb2a1bbbc7ebbda0f2d126cc204345a172d65fba925c405d rsyslog5-mysql-5.8.12-7.el5_11.x86_64.rpm 23949c0942cca48b1be050ac147143a20278c338cbfc622faceaba31d7877ddb rsyslog5-pgsql-5.8.12-7.el5_11.x86_64.rpm 5782448c63954458157638f79df4a67eb5b6b20fe1300502530f71769828cca6 rsyslog5-snmp-5.8.12-7.el5_11.x86_64.rpm Source: 4d8280a183a25cb2b901f6f593daa44ddba7ef52fe0740ebf840a6b4b0681ca2 rsyslog5-5.8.12-7.el5_11.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ Message: 3 Date: Mon, 25 May 2015 16:31:08 +0000 From: Johnny Hughes <johnny(a)centos.org> To: centos-announce(a)centos.org Subject: [CentOS-announce] CEBA-2015:1026 CentOS 5 firefox BugFix Update Message-ID: <20150525163108.GA7140(a)chakra.karan.org> Content-Type: text/plain; charset=us-ascii CentOS Errata and Bugfix Advisory 2015:1026 Upstream details at : https://rhn.redhat.com/errata/RHBA-2015-1026.html The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename ) i386: cc26b9f3b4035b45d050b3dc7a47fc501378f345d98a7325a05aa8ced915db95 firefox-38.0.1-2.el5.centos.i386.rpm x86_64: cc26b9f3b4035b45d050b3dc7a47fc501378f345d98a7325a05aa8ced915db95 firefox-38.0.1-2.el5.centos.i386.rpm 077e71e9d092af8f71be5e8e8a3302462d15c4954cca0629acaf860fb3cea201 firefox-38.0.1-2.el5.centos.x86_64.rpm Source: f6f39fea1d96a709691c6c6b0fb8a2116765c1cc1f49e027970d973e3e00d760 firefox-38.0.1-2.el5.centos.src.rpm -- Johnny Hughes CentOS Project { http://www.centos.org/ } irc: hughesjr, #centos(a)irc.freenode.net ------------------------------ _______________________________________________ CentOS-announce mailing list CentOS-announce(a)centos.org http://lists.centos.org/mailman/listinfo/centos-announce End of CentOS-announce Digest, Vol 123, Issue 9 ***********************************************

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CentOS 7 and mobile broadband Ericsson F5521gw
by Tim 26 May '15

26 May '15

Hello all, I have got problems to get my mobile broadband connection running on my Lenovo T420. But NetworkManager doesn't seem to connect. I ran through the wizard for mobile broadband connections but it doesn't work. The Ericsson f5521gw seems to run with cdc_ndm module. I also installed modem-manager-gui and unlocked my sim by using mmcli. But still NetworkManager can't establish a connection. I also can't delete connection out of the NM-GUI so I needed to remove them from /etc/NetworkManager/system-connections. Did I miss something? The logs seem to be fine so far. My CentOS 7 has all recent updates applied. Thanks in advance Tim

1 0

nmcli, pppoe (ADSL login and password)
by Mihamina Rakotomandimby 26 May '15

26 May '15

Hi all, My target is: CentOS 7 on a X less gateway My internet provider provides a pppoe connection with a login and a password On CentOS6, I used to setip it up with rp-pppoe wizzard and it works: it sets up the needed things to make the network init script launch the connection at boot. I would like to learn how to do it with NM and CentOS 7. How to invoke nmcli in order to have it connected at boot? Thank you.

1 0

Centos 7.1 openldap-2.4.39 question
by Paul R. Ganci 26 May '15

26 May '15

I have two instances of an openldap-2.4.39 server running with syncrepl in a master-master replication setup. These are Centos 7.1 test servers which have been running for over 2 months now with no problems. Partly the good behavior of the LDAP servers is due to very little exercise. Yesterday I decided to try and see exactly how well replication was working. With server-2 up and running I tried these sequences of commands on server-1 (domain, user and DNs have been changed): server-1> systemctl stop slapd server-1> slapadd -l useradd.ldif server-1> systemctl start slapd server-1> ldapsearch -ZZ -W -D cn=Boss,dc=example,dc=com -b ou=People,dc=example,dc=com uid=newuser # extended LDIF # # LDAPv3 # base <ou=People,dc=example,dc=com> with scope subtree # filter: uid=newuser # requesting: ALL # # newuser, People, example.com dn: uid=newuser,ou=People,dc=example,dc=com uid: newuser cn: NEW01- newuser uidNumber: 100510 objectClass: posixAccount objectClass: shadowAccount objectClass: person objectClass: organizationalPerson objectClass: inetOrgPerson objectClass: top gecos: NEW01- newuser sn: NEW01- newuser loginShell: /bin/bash gidNumber: 100510 homeDirectory: /users/home/newuser userPassword:: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx # search result search: 3 result: 0 Success # numResponses: 2 # numEntries: 1 As you can see the user was added correctly. However after a few minutes to give replication a chance to work I went over to server-2 and tried the equivalent ldapsearch command: server-2> ldapsearch -ZZ -W -D cn=Boss,dc=example,dc=com -b ou=People,dc=example,dc=com uid=newuser # extended LDIF # # LDAPv3 # base <ou=People,dc=example,dc=com> with scope subtree # filter: uid=newuser # requesting: ALL # # search result search: 3 result: 0 Success # numResponses: 1 No matter how long I wait, the newuser is never replicated on server=2. So I tried something different. After putting back the LDAP databases so that they were consistent I did this sequence on server-1 server-1> ldapadd -ZZ -W -D cn=Boss,dc=example,dc=com -b ou=People,dc=example,dc=com -f useradd.ldif This time the ldapsearch command: ldapsearch -ZZ -W -D cn=Boss,dc=example,dc=com -b ou=People,dc=example,dc=com uid=newuser returns the new user on both server-1 and server-2! What I found is that as long as I use ldapadd, ldapdelete and ldapmodify the LDAP databases replicate correctly in a master-master mode. My first question: Should the first sequence of commands with the slapadd command work or am I expecting behavior that is not supported? My second question: If the first sequence of commands with the slapadd command should work but does not can anyone suggest a reason as to why? For example do both server-1 and server-2 have to be shutdown before doing the slapadd? Thank you. -- Paul (ganci(a)nurdog.com) (303)257-5208

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Discuss May 2015