{"id":216,"date":"2011-06-22T08:06:00","date_gmt":"2011-06-22T08:06:00","guid":{"rendered":"http:\/\/pheonixsolutions.com\/?p=216"},"modified":"2011-06-22T08:06:00","modified_gmt":"2011-06-22T08:06:00","slug":"open-vz-and-commands","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/open-vz-and-commands\/","title":{"rendered":"Open VZ and commands"},"content":{"rendered":"
<\/p>\n
OpenVZ Commands<\/span><\/a> <\/span><\/div>\n
<\/a>I<\/span>ntroduction<\/p>\n

====================
vz -> recommends ext3 file system
PIM -> IP:4643
PMC -> mangaing h\/w node
PPP -> for managing a single container
All the above things need a license from parallel
====================<\/p>\n

Templates<\/p>\n

====================
OS template -> vzpkg (cache needs to created before creating the container)
EZ template -> points to the repository that contains packages that constitute the template
Application template -> mysql template
====================<\/p>\n

To create a container<\/p>\n

====================
vzctl create
the container ID > 100
32 -bit integer
ID – 0 -> h\/w node
ID -1 -> service container<\/p>\n

\/etc\/vz\/conf -> for the sample file names (only use the main part of the file name)<\/p>\n

vzctl set – configure the container
vzctl exec – run anything on the container
vzctl status\/vzlist 101<\/p>\n

vzpkg – for adding application templates on h\/w node (\/vz\/templates)
– the same command can be used for installing\/removing the template into a the container.<\/p>\n

Virtuozzo – User’s guide<\/p>\n

OS virtualization – (1-2% of is spent on the virtualization s\/w)
VZFS – allows sharing of common files among containers
Hardware node & Containers<\/p>\n

\/etc\/vz\/vz.conf
\/etc\/vz\/conf\/
\/etc\/vzbackup.conf<\/p>\n

Standard migration
vzmigrate<\/p>\n

Zero downtime migration
vzmigrate –online –require-realtime my_node.com 101<\/p>\n

Move the container within the h\/w node
vzmlocal<\/p>\n

Backup & restore
vzabackup\/vzarestore<\/p>\n

Reinstall container
vzctl recover -> restores the VZFS symlinks
vzctl reinstall -> creates new private area for the container, copies the old private area to \/old dir
– vps.configure, vps.reinstall<\/p>\n

Delete the container
vzctl destroy<\/p>\n

Disabling the container
vzctl set<\/p>\n

Suspending the container
vzctl suspend<\/p>\n

Setting up resources
disk quotas – first level(how much files or disk space the container can use) and second level (quotaugidlimit > no of entries in \/etc\/passwd or group files)
Container must be restarted to come this changes into effect<\/p>\n

vzquota – to check the status of the quota info<\/p>\n

Cleaning up containers – to move identical files from contrainers to \/vz\/template\/vc folder
vzcache<\/p>\n

Linking container files with application templates
vzpkg link
vzpkglink
vzpkgls<\/p>\n

Managing CPU – cpu share and the number of processors the node can make use of.
vzcpucheck<\/p>\n

Network traffic
\/etc\/vz\/conf\/networks_classes – after any changes, you need to service vz accrestart
class 0 – no accounting will be performed
class 1 – defined by containers to match any IP address
vznetstat<\/p>\n

Bandwidth management (outgoing traffic)
service vz shaperon, shaperrestart, shaperoff
BANDWIDTH -> kilobites per second
TOTALRATE -> ::<\/p>\n

For container
RATE -> ::
RATEBOUND -> to specify if the bandwidth is limited to the RATEBOUND
====================<\/p>\n

Monitoring tools<\/p>\n

====================
vzstat
vzps
vzpid
vztop
vzsetxinetd<\/p>\n

Virtuozzo networks
vznetcfg if list<\/p>\n

vznetcfg vlan add eth0 5
vznetcfg vlan del eth0.5<\/p>\n

vznetcfg net addif vznetwork1 eth0
vznetcfg net delif eth0<\/p>\n

vznetcfg net new vznetwork1
vznetcfg net del vznetwork1
vznetcfg net list<\/p>\n

venet0 –?<\/p>\n

License
vzlicload
vzlicupdate
vzlicview<\/p>\n

Keeping system up2date
The h\/w node can be updated using the normal update procedures without affecting virtuozzo
vzup2date – \/etc\/sysconfig\/vzup2date\/vzup2date.conf
vzup2date -m batch install –core
vzup2date -t -m batch install –all-os<\/p>\n

Updating the containers
vzpkg update 101 redhat-el5-x86
vzpkg update 101
vzpkg update cache fedora-core-8-x86<\/p>\n

Loading iptables modules
\/etc\/sysconfig\/iptables-config
\/etc\/vz\/vz.conf
\/etc\/vz\/conf\/.conf<\/p>\n

VZFS-v2<\/p>\n

Virtuozzo – Templates management guide<\/p>\n

\/vz\/template
\/vz\/private\/
\/vz\/root\/<\/p>\n

vzpkg – for managing VZ template
vzpkgls – for listing standard template<\/p>\n

vzpkg install -p 110 yum<\/p>\n

Virtuozzo – Managing UBC Resources<\/p>\n

vzcfgvalidate<\/p>\n

VE0CPUUNITS
SLM parameters<\/p>\n

i-node setups<\/p>\n

ext3 – 1 inode per every 4K <\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

OpenVZ Commands Introduction ====================vz -> recommends ext3 file systemPIM -> IP:4643PMC -> mangaing h\/w nodePPP -> for managing a single containerAll the above things need a license from parallel==================== Templates ====================OS template -> vzpkg (cache needs to created before creating the container)EZ template -> points to the repository that contains… Continue Reading Open VZ and commands<\/span><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-216","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"h-entry","9":"h-as-article"},"yoast_head":"\nPheonix Solutions - We Empower Your Business Growth<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pheonixsolutions.com\/blog\/open-vz-and-commands\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pheonix Solutions - We Empower Your Business Growth\" \/>\n<meta property=\"og:description\" content=\"OpenVZ Commands Introduction ====================vz -> recommends ext3 file systemPIM -> IP:4643PMC -> mangaing h\/w nodePPP -> for managing a single containerAll the above things need a license from parallel==================== Templates ====================OS template -> vzpkg (cache needs to created before creating the container)EZ template -> points to the repository that contains… Continue Reading Open VZ and commands\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pheonixsolutions.com\/blog\/open-vz-and-commands\/\" \/>\n<meta property=\"og:site_name\" content=\"PHEONIXSOLUTIONS\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/\" \/>\n<meta property=\"article:published_time\" content=\"2011-06-22T08:06:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/09\/PX2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"3837\" \/>\n\t<meta property=\"og:image:height\" content=\"2540\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:site\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/person\\\/0ffa33d73c869faec2d50e79c24e3503\"},\"headline\":\"Open VZ and commands\",\"datePublished\":\"2011-06-22T08:06:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/\"},\"wordCount\":543,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/\",\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/open-vz-and-commands\\\/\",\"name\":\"Pheonix Solutions - 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