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| − | This page is about making a template cache for OpenVZ [[ | + | This page is about making a template cache for OpenVZ [[VE]] from Slackware linux. |
(This method was used for creating the minimal cache from Slackware 10.2) | (This method was used for creating the minimal cache from Slackware 10.2) | ||
The method is basically the same as described in article [[Debian template creation]]. | The method is basically the same as described in article [[Debian template creation]]. | ||
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=== Downloading and installing Slackware === | === Downloading and installing Slackware === | ||
| − | First you need to download Slackware linux from [http://www.slackware.org/getslack/ http://www.slackware.org/getslack/]. Then you have to [http://www.slackware.org/install/ install] it to some hardware you can spare while the cache creation process is going on. For [[ | + | First you need to download Slackware linux from [http://www.slackware.org/getslack/ http://www.slackware.org/getslack/]. Then you have to [http://www.slackware.org/install/ install] it to some hardware you can spare while the cache creation process is going on. For [[VE]] creation it is recommended not to install any unnecessary software into the box you are making the cache from. |
This means for a minimal Slackware 10.2 cache I have chosen only series A (<tt>Base Linux System</tt>) at the package series selection screen of Slackware Setup. Then '''expert''' prompting mode on the next screen. On the Series A package selection screen I chose the following packages: | This means for a minimal Slackware 10.2 cache I have chosen only series A (<tt>Base Linux System</tt>) at the package series selection screen of Slackware Setup. Then '''expert''' prompting mode on the next screen. On the Series A package selection screen I chose the following packages: | ||
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* dcron | * dcron | ||
* devs | * devs | ||
| − | * e2fsprogs <i>- This is not really needed for a | + | * e2fsprogs <i>- This is not really needed for a VE, but let him install it</i> |
* elvis | * elvis | ||
* etc | * etc | ||
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After selecting these packages just install the kernel and lilo, you are ready to run Slackware! | After selecting these packages just install the kernel and lilo, you are ready to run Slackware! | ||
| − | === Configuring Slackware for acting as a | + | === Configuring Slackware for acting as a VE === |
Now that you have a running minimal Slackware installation, You can begin to prepare it to be | Now that you have a running minimal Slackware installation, You can begin to prepare it to be | ||
| − | a template for a [[ | + | a template for a [[VE]]. First you need some additional packages, 7 exactly: |
{| class="wikitable" | {| class="wikitable" | ||
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</pre> | </pre> | ||
| − | After these steps, you are ready to move your Slackware installation into a [[ | + | After these steps, you are ready to move your Slackware installation into a [[VE]]. |
| − | === Moving a Slackware installation into a | + | === Moving a Slackware installation into a VE === |
I did it by compressing the whole filesystem into a tgz file and copying it to the host running OpenVZ. | I did it by compressing the whole filesystem into a tgz file and copying it to the host running OpenVZ. | ||
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</pre> | </pre> | ||
| − | == Preparing the new | + | == Preparing the new VE == |
| − | === Creating | + | === Creating VE config === |
| − | Now you need to create the configuration file for the [[ | + | Now you need to create the configuration file for the [[VE]], 777.conf: |
<pre> | <pre> | ||
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</pre> | </pre> | ||
| − | === Getting the filesystem ready to run in a | + | === Getting the filesystem ready to run in a VE === |
Now you need to make some minor alterations under the /vz/private/777 directory. | Now you need to make some minor alterations under the /vz/private/777 directory. | ||
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rm /vz/private/777/etc/ssh/*key* | rm /vz/private/777/etc/ssh/*key* | ||
</pre> | </pre> | ||
| − | This will ensure that a unique ssh key is generated for every single [[ | + | This will ensure that a unique ssh key is generated for every single [[VE]] at the first boot. |
Edit ssh_config and sshd_config here if you want. | Edit ssh_config and sshd_config here if you want. | ||
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{{Note|if you are going to use iptables rules inside your Slackware containers which will do logging (i.e. the ones with the <tt>LOG</tt> target), you should not disable <tt>klogd</tt>.}} | {{Note|if you are going to use iptables rules inside your Slackware containers which will do logging (i.e. the ones with the <tt>LOG</tt> target), you should not disable <tt>klogd</tt>.}} | ||
| − | == Testing the new | + | == Testing the new VE and making a cache file == |
| − | === Testing the new | + | === Testing the new VE === |
| − | To test the new [[ | + | To test the new [[VE]], simply start it: |
<pre> | <pre> | ||
vzctl start 777 | vzctl start 777 | ||
</pre> | </pre> | ||
| − | If you did everything all right (and this article is correct) your new Slackware [[ | + | If you did everything all right (and this article is correct) your new Slackware [[VE]] will boot. |
| − | If the | + | If the VE booted, and you can enter/ssh to it, then stop it: |
<pre> | <pre> | ||
vzctl stop 777 | vzctl stop 777 | ||
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=== Making a cache file === | === Making a cache file === | ||
| − | Now make a .tar.gz out of the [[ | + | Now make a .tar.gz out of the [[VE]]: |
<pre> | <pre> | ||
tar czf /vz/template/cache/slackware-10.2-i486-minimal.tar.gz /vz/private/777/ | tar czf /vz/template/cache/slackware-10.2-i486-minimal.tar.gz /vz/private/777/ | ||
