Discuss April 2017

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114 participants
89 discussions

M.2 PCI-E card
by Alice Wonder 04 Apr '17

04 Apr '17

Hello list, My instinct says the vast majority will "just work" but I'll ask anyway. I need a low profile PCI-E card that allows for up to 2 M.2 SSD drives that is known to work with the stock kernel in CentOS 7. Can anyone recommend one? Thanks

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CentOS-announce Digest, Vol 146, Issue 1
by centos-announce-request＠centos.org 04 Apr '17

04 Apr '17

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. CentOS Linux 5 EOL (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Mon, 3 Apr 2017 07:12:27 -0500 From: Johnny Hughes <johnny(a)centos.org> To: CentOS-Announce <centos-announce(a)centos.org> Subject: [CentOS-announce] CentOS Linux 5 EOL Message-ID: <4e6a4cf7-e532-ad53-a775-95bef831e1be(a)centos.org> Content-Type: text/plain; charset="utf-8" CentOS Linux 5 has reached End of Life, as of 31 March 2017. Please note that the latest version of CentOS Linux 5 (version 5.11 with updates) will remain available here (archived): http://vault.centos.org/5.11/ Please also note that this directory will not be maintained as there are no more public source code releases for upstream RHEL-5. That means there will be no more security updates for CentOS Linux 5. The CentOS team does not recommend using CentOS Linux 5 for any purpose. If you have workloads that can not be moved from the EL5 code base, you can obtain paid extended support from Red Hat for RHEL-5. See ELS (Extended Life-cycle Support) from this link: https://access.redhat.com/support/policy/updates/errata Thanks, Johnny Hughes

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Using environment variables in mariadb
by Robert Moskowitz 04 Apr '17

04 Apr '17

I want to script a rather simple create database operation. Thing is, I have to provide the password for that database. I would like to do this with an environment variable, but the simple approach dose not work: mailpswd=charlie mysql -u root -p CREATE DATABASE mailfix; CREATE USER 'mailfix'@'localhost' IDENTIFIED BY $mailpswd; GRANT ALL PRIVILEGES ON `mailfix` . * TO 'mailfix'@'localhost'; Of course the mysql command needs the mysql root password, but that is as expected. But mysql will not process $mailpswd, not surprisingly. I know I could create a file with these commands, sed the password into the file, then pipe thr file into mysql. I would rather do this directly without a temp file. thanks

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Realtime repo
by Tim 04 Apr '17

04 Apr '17

Hello, is there an easy way to activate/install the realtime-repo under http://mirror.centos.org/centos/7/rt/ or do I have to write the repo-file manually? Thanks in advance Tim

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NFS Client with quota
by koji.morikawa 04 Apr '17

04 Apr '17

Hello. I am "koji". I have a question. Can I mount a NFS with quota? (Not Server side) I understand quota is set NFS server. But I must client side. (Is rquota only report?) Does anyone know a good solution? Best regard. koji

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CentOS Linux 5 End of Life
by Johnny Hughes 03 Apr '17

03 Apr '17

CentOS Linux 5 has reached End of Life, as of 31 March 2017. Please note that the latest version of CentOS Linux 5 (version 5.11 with updates) will remain available here (archived): http://vault.centos.org/5.11/ Please also note that this directory will not be maintained as there are no more public source code releases for upstream RHEL-5. That means there will be no more security updates for CentOS Linux 5. The CentOS team does not recommend using CentOS Linux 5 for any purpose. If you have workloads that can not be moved from the EL5 code base, you can obtain paid extended support from Red Hat for RHEL-5. See ELS (Extended Life-cycle Support) from this link: https://access.redhat.com/support/policy/updates/errata Thanks, Johnny Hughes

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How to enable the svm cpu flag inside a vm?
by Leonard den Ottolander 03 Apr '17

03 Apr '17

Hello, I'm trying to get the Android Emulator to run inside a kvm vm on CentOS-6. Apparently the latest Android Emulators cannot run without hardware acceleration so I am trying to get the vm to see the svm cpu flag. Host: $ grep model\ name /proc/cpuinfo | sort -u model name : AMD Phenom(tm) II X4 965 Processor $ grep svm /proc/cpuinfo | sort -u flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save $ cat /sys/module/kvm_amd/parameters/nested 1 I have tried copying the cpu options (Opteron_G3) in the host cpu configuration and setting the svm flag to either "model", "required" or "force" to no avail: $ ps waux | grep qemu qemu 7962 7.2 21.9 3722092 2680668 ? Rl 13:23 6:36 /usr/libexec/qemu-kvm -name C7-Android -S -M rhel6.6.0 -cpu Opteron_G3,+invtsc,+wdt,+skinit,+ibs,+osvw,+3dnowprefetch,+cr8legacy, +extapic,+cmp_legacy,+3dnow,+3dnowext,+pdpe1gb,+fxsr_opt,+mmxext,+ht, +vme -enable-kvm -m 3072 -realtime mlock=off -smp <snip> So the question is: How do I enable the svm flag in the guest? Regards, Leonard. -- mount -t life -o ro /dev/dna /genetic/research

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DNAT Internet gate problem on centos
by Andreas Benzler 02 Apr '17

02 Apr '17

Hello Guys, I got trouble to get vserver work as gate: GATE=XX.XX.XX.XX YY_PORT=YY echo "1" > /proc/sys/net/ipv4/ip_forward iptables -F -t nat iptables -t nat -A PREROUTING -p tcp -i venet0:0 --dport $YY_PORT \ -j DNAT --to-destination $GATE:$YY_PORT iptables -t nat -A POSTROUTING -p tcp --dport $YY_PORT \ -j MASQUERADE iptables -L -t nat Any suggestion? I got it in the past, but now I'm completely confused. Thanks for help. Sincerely Andy

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Sendmail is considered deprecated
by Xinhuan Zheng 02 Apr '17

02 Apr '17

Hello, Today I searched redhat official portal and learned that Sendmail is considered deprecated. By default, CentOS 7 will use postfix as MTA. I need good advise on what it means to us. We are CentOS customers. We use that operating system for quite a few years. We rely on Sendmail for years for us to relay large quantity of emails to our customers for marketing purpose. We build our additional fallback servers as well for fallback relays. We build our customized configuration for Sendmail too. I really need help to figure out if we can continue using Sendmail (even deprecated) for future long term and what implication would be doing so. Thanks, - xinhuan

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Discuss April 2017