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34747 discussions

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

3 6

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

1 0

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

4 7

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

1 2

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

7 11

Best practices for docker setup on Centos 7?
by Rafał Radecki 31 Mar '17

31 Mar '17

Hi All. I am currently running docker 1.13 on Centos 7 boxes with devicemapper storage plugin. I would like to know what are your experiences in regard to: - storage plugins - kernel versions - stability I consider upgrade to docker 17.03.1 and would like to choose most stable combination of kernel/storage plugin. Thanks for all info! BR, Rafal.

2 1

firewalld management on a headless server
by Robert Moskowitz 31 Mar '17

31 Mar '17

Is there an Apache tool to manage firewalld on a headless server? I am looking forward to my next Centos project which is to replace my Juniper SSG5 firewall... And along that line, what overlap, if any between firewalld and Suricata? thank you

12 17

have udev to ignore/hide a scsi disk - but how?
by lejeczek 30 Mar '17

30 Mar '17

hi everyone I've been playing and trying to tell udev to ignore and not create symlinks in /dev but I fail. Hoping this is the one: ENV{ID_SERIAL}== I've tried: ENV{SYSTEMD_READY}:="0" OPTIONS+="last_rule" even ENV{UDISKS_IGNORE}="1" but udev tests would still show: ACTION=add and symlinks created. Would share an advice? many thanks, L.

1 0

Python 3.x on Centos 7
by Matt 29 Mar '17

29 Mar '17

Is there a way to install Python 3.x on Centos 7.x without breaking anything that depends on an older version of Python? This server is a minimal Centos 7 install that primarily runs a simple LAMP setup.

8 10

Re: [CentOS] RHEL 6.9 is out
by Richard 29 Mar '17

29 Mar '17

>> On Fri, Mar 24, 2017 at 1:11 PM, Johnny Hughes <johnny(a)centos.org> >> wrote: >> >> OK guys, the CR release has happened. >> > Date: Tuesday, March 28, 2017 16:23:32 -0700 > From: Kay Schenk <kay.schenk(a)gmail.com> > > Still only 6.8 on the mirror link you gave near as I can see. > And, since I'm still on 32-bit ( no time to move on right now), > will a 32-bit be included in 6.9? > My read, and poking, is that what was released is the CR repo, and that these will be released to production (as 6.9) "shortly". If you enable the CR repo on your 6.x machine I believe you'll see these updates, and can install them if you want to check things out. My experience is that there will likely be a few updates from the CR when the production set is released. If you go to: http://mirror.centos.org/centos/6.8/cr/<i386|x86_64>/Packages/ you'll see that there are packages for both 32- and 64-bit, so you should be getting 32-bit updates that will take you up to 6.9.

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