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<div id="content"> <span id="top"></span> <span id="util-vservercheatsheet"></span> = util-vserver:Cheatsheet = <div id="bodyContent"> <span id="siteSub"></span> === From Linux-VServer === <div id="contentSub"> </div> <div id="jump-to-nav"> Jump to: [[#column-one|navigation]], [[#searchInput|search]] </div> This is a cheatsheet for util-vserver. Some of these recipes have been arrived at by users, using trial and error, so they may not always be the "official" solutions. {| id="toc" class="wikitable toc" summary="Contents" |- | <div id="toctitle"> <span id="contents"></span> == Contents == </div> * [[#Where_to_find_the_latest_util-vserver_.3F|<span class="tocnumber">1</span> <span class="toctext">Where to find the latest util-vserverĀ ?</span>]] * [[#How_to_add_an_IP_address_to_a_live_guest_.3F|<span class="tocnumber">2</span> <span class="toctext">How to add an IP address to a live guestĀ ?</span>]] * [[#How_to_change_the_machine_type_live_.3F|<span class="tocnumber">3</span> <span class="toctext">How to change the machine type liveĀ ?</span>]] * [[#What_are_the_main_vutils_commands_.3F|<span class="tocnumber">4</span> <span class="toctext">What are the main vutils commandsĀ ?</span>]] * [[#What_are_the_services_that_need_to_be_running_in_a_basic_setup_.3F|<span class="tocnumber">5</span> <span class="toctext">What are the services that need to be running in a basic setupĀ ?</span>]] |} <span id="Where_to_find_the_latest_util-vserver_.3F"></span> <span id="edit-where-to-find-the-latest-util-vserver"></span> == <span class="editsection">[<nowiki/>[[index.php?title=util-vserver:Cheatsheet&action=edit§ion=1|edit]]]</span> <span class="mw-headline"> Where to find the latest util-vserverĀ ? </span> == Look here: <pre>http://people.linux-vserver.org/~dhozac/t/uv-testing/</pre> and for the lastest kernel patch: <pre>http://vserver.13thfloor.at/Experimental/</pre> <span id="How_to_add_an_IP_address_to_a_live_guest_.3F"></span> <span id="edit-how-to-add-an-ip-address-to-a-live-guest"></span> == <span class="editsection">[<nowiki/>[[index.php?title=util-vserver:Cheatsheet&action=edit§ion=2|edit]]]</span> <span class="mw-headline"> How to add an IP address to a live guestĀ ?</span> == <ol> <li><p>create the address on the host:</p> <pre>ifconfig eth0:10 172.16.0.145/12</pre> <p>or</p> <pre>ip addr add dev eth0 172.16.0.145/12</pre> <p>or even</p> <pre>ip addr add dev dummy0 172.16.0.145/12</pre></li> <li><p>add the adress:</p> <pre>naddress --nid guestname --add --ip 172.16.0.145 --bcast 172.31.255.255</pre> <ul> <li>Depending on what you use the vserver for, you may not want the broadcast thing at all; you can also use a /32 mask for the IP in this case.</li></ul> </li> <li>add the ip to the config directory to make it stick if you restart<br /> </li> <li>enter the guest and verify services that need to listen on the ip, restart if necessary (for me it was not).</li></ol> <span id="How_to_change_the_machine_type_live_.3F"></span> <span id="edit-how-to-change-the-machine-type-live"></span> == <span class="editsection">[<nowiki/>[[index.php?title=util-vserver:Cheatsheet&action=edit§ion=3|edit]]]</span> <span class="mw-headline"> How to change the machine type liveĀ ?</span> == For this you can use the '''vuname''' command, <pre>sudo vuname --xid 40133 -s -t 'machine=i686'</pre> Possible values for TAG are: <pre>context, sysname, nodename, release, version, machine, domainname</pre> To make those change permanent you have to modify the files in your /etc/vservers/<vserver-name>/uts/machine file see the great flower page for details. <span id="What_are_the_main_vutils_commands_.3F"></span> <span id="edit-what-are-the-main-vutils-commands"></span> == <span class="editsection">[<nowiki/>[[index.php?title=util-vserver:Cheatsheet&action=edit§ion=4|edit]]]</span> <span class="mw-headline"> What are the main vutils commandsĀ ?</span> == '''Main ones are'''Ā : # vserverĀ : to create enter , start, stop, destroy etc the vserver guests. # vunameĀ : to change live guestĀ : context, sysname, nodename, release, version, machine or domainname. # vattribute: to change capabilities of a live guest (bcap, ccap and flags). # nattribute: to change network capabilities and flags of a live guest (ncaps and flags). # vlimitĀ : to change the limits of a live guest (cpu, fsize, data, stack, core, rss, nproc,nofile, memlock, as, locks, msgqueue, nsock, openfd, anon, shmem, semary,nsems, and dentry). # vschedĀ : to change schheduling parameters of live guest. # vdevmapĀ : to remap device or give permission to a guest to create/read/open specific devices. # vdlimitĀ : to change the directory limits of a live guest. those parameters can be '''setup permanently''' in the configuration files, see the vutil flower page for details ([http://www.nongnu.org/util-vserver/doc/conf/configuration.html The Great Flower Page]). <br /> '''Other usefull vutils'''Ā : # vapt-getĀ : to run apt-get from the host in one or more guest. # vemerge Ā : to run emerge from the host in one or more guest. # vmountĀ : to mount file systems inside guest from the host. # vsomethingĀ : to run one command to all vserver in one go. <br /> '''daily usage one''': # vpsĀ : ps in a guest aware way (see all the process of host+guest). # vtopĀ : top in a guest aware way (see all the process of host+guest). # vserver-infoĀ : gives version and other usefull information about the utils installed. # vserver-statĀ : gives informations about running guests. <span id="What_are_the_services_that_need_to_be_running_in_a_basic_setup_.3F"></span> <span id="edit-what-are-the-services-that-need-to-be-running-in-a-basic-setup"></span> == <span class="editsection">[<nowiki/>[[index.php?title=util-vserver:Cheatsheet&action=edit§ion=5|edit]]]</span> <span class="mw-headline"> What are the services that need to be running in a basic setupĀ ?</span> == '''Services to allow on boot'''Ā : # vprocunhideĀ : this one is mandatory to unlock /proc visibility for guest # vservers-default: this one will start the vservers on reboot, most users need this one # util-vserverĀ :Ā ? do not know what it does. this article in incomplete, please do not hesistate to add your commentsĀ ! <div class="printfooter"> Retrieved from "http://linux-vserver.org/util-vserver:Cheatsheet" </div> <div class="visualClear"> </div> </div> </div>
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