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<div class="links"> '''Re: [vserver] question about util-vserver without dietlibc:'''<br /> Β <span class="small">vserver development mailing list</span>Β <br /> [<nowiki/>[[../|Next/Previous Months]]] [<nowiki/>[http://www.solucorp.qc.ca/miscprj/s_context.hc Main vserver Project Homepage]] [<nowiki/>[http://www.solucorp.qc.ca/mlist/index.hc?list=vserver Howto Subscribe/Unsubscribe]] [<nowiki/>[http://www.paul.sladen.org/vserver/ Paul Sladen's vserver stuff]] </div> <div class="head"> <span id="re-vserver-question-about-util-vserver-without-dietlibc"></span> = Re: [vserver] question about util-vserver without dietlibc = * <span class="dfn">This message</span>: [ [[#start|Message body]] ] [ [[#options2|More options]] ] * <span class="dfn">Related messages</span>: [ [[0047.html|Next message]] ] [ [[0045.html|Previous message]] ] [ [[0045.html|In reply to]] ] [ [[0047.html|Next in thread]] ] [ [[#replies|Replies]] ] </div> <div class="mail"> <span id="from"> <span class="dfn">From</span>: Herbert Poetzl <[mailto:herbert_at_13thfloor.at?Subject=Re:%20%5Bvserver%5D%20question%20about%20util-vserver%20without%20dietlibc herbert_at_13thfloor.at]> </span><br /> <span id="date"><span class="dfn">Date</span>: Mon 19 Dec 2011 - 14:02:55 GMT</span><br /> <span id="message-id"><span class="dfn">Message-ID</span>: <20111219140255.GL25290@MAIL.13thfloor.at> </span><br /> On Mon, Dec 19, 2011 at 04:33:55PM +1100, Steve Kieu wrote:<br /> ''> Hello,''<br /> ''> the version is util-vserver-0.30.216.pre2986 build on centos6 system''<br /> the question which comes to my mind here is: why the hell<br /> would you build an old version of util-vserver?<br /> ''> When I ran configure I got''<br /> ''> configure:10369: WARNING: *** it is strongly recommended to link''<br /> ''> util-vserver against ***''<br /> ''> configure:10371: WARNING: *** dietlibc; glibc's NSS functions are very''<br /> ''> unreliable in ***''<br /> ''> configure:10373: WARNING: *** chroot() environments, so you have to''<br /> ''> expect problems ***''<br /> ''> configure:10375: WARNING: *** there.''<br /> ''> I am not quite clear what is the use of dietlibc in the''<br /> ''> picture. If I use tools without linking to dietlibc what''<br /> ''> damage/disadvantages I will have?''<br /> dietlibc isn't just used to replace glibc, it is used to<br /> build static binaries which are actually 'static'<br /> note that glibc cannot build self contained binaries<br /> anymore, even if you build them 'statically' they will<br /> dynamically load resolver libraries, which in the case<br /> of guest management might be from the host or from the<br /> guest<br /> ''> I suppose after vserver <NAME> start - the vserver environment''<br /> ''> is using normal libc under its root dir /lib/ rather than''<br /> ''> dietglibc?''<br /> correct, but anytime you start or enter the guest, you<br /> have a certain chance that the host will execute some<br /> code from the guest system (nss) which in turn gives<br /> guest root a good chance to do evil things on the host<br /> and even if security is not a concern in your case, you<br /> might end up with unexpected failures<br /> ''> Or just all commands I start using vnamespace for example will''<br /> ''> be affected?''<br /> ''> Should I download dietlibc somewhere and install it ?''<br /> first, your distro should provide dietlibc as package<br /> (basically all known distros do) and if that isn't the<br /> case, yes, you better download dietlibc, build and<br /> install it, unless you want to have issues with the<br /> tools ...<br /> best,<br /> Herbert<br /> ''> many thanks in advance''<br /> ''> --''<br /> ''> Steve Kieu''<br /> <span id="received"><span class="dfn">Received on</span> Mon Dec 19 14:03:11 2011</span> </div> <div class="foot"> * <span class="dfn">This message</span>: [ [[#start|Message body]] ] * <span class="dfn">Next message</span>: [[0047.html|Steve Kieu: "Re: [vserver] question about util-vserver without dietlibc"]] * <span class="dfn">Previous message</span>: [[0045.html|Steve Kieu: "[vserver] question about util-vserver without dietlibc"]] * <span class="dfn">In reply to</span>: [[0045.html|Steve Kieu: "[vserver] question about util-vserver without dietlibc"]] * <span class="dfn">Next in thread</span>: [[0047.html|Steve Kieu: "Re: [vserver] question about util-vserver without dietlibc"]] * <span id="replies"></span><span class="dfn">Reply</span>: [[0047.html|Steve Kieu: "Re: [vserver] question about util-vserver without dietlibc"]] * <span id="options2"></span><span class="dfn">Contemporary messages sorted</span>: [ [[date.html#46|By Date]] ] [ [[index.html#46|By Thread]] ] [ [[subject.html#46|By Subject]] ] [ [[author.html#46|By Author]] ] [ [[attachment.html|By messages with attachments]] ] </div> <div align="center"> [<nowiki/>[[../|Next/Previous Months]]] [<nowiki/>[http://www.solucorp.qc.ca/miscprj/s_context.hc Main vserver Project Homepage]] [<nowiki/>[http://www.solucorp.qc.ca/mlist/index.hc?list=vserver Howto Subscribe/Unsubscribe]] [<nowiki/>[http://www.paul.sladen.org/vserver/ Paul Sladen's vserver stuff]]<br /> <span class="small">Generated on Mon 19 Dec 2011 - 14:03:11 GMT by [http://www.hypermail.org/ hypermail 2.1.8]</span> </div>
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