[CentOS] Minimum RAM for CentOS7

Sun Sep 7 20:06:41 UTC 2014
Oliver Schad <centos at automatic-server.com>

Ok, final result: deleting the initramfs files results in a clean
installation. So we waste ~300 MB RAM during installation with a file
nobody needs. Great.

Best Regards
Oli

On Sun, 7 Sep 2014 21:45:40 +0200
Oliver Schad <centos at automatic-server.com> wrote:

> On Sun, 7 Sep 2014 21:19:01 +0200
> Oliver Schad <centos at automatic-server.com> wrote:
> 
> > tmpfs: /run/, 311 MB used
> 
> That is really funny: inside of this ramdisk is a tmp dir, with 279 MB
> inside, where the biggest part is the squashfs image and some files
> which are generated after start of installation.
> 
> ├── curl_fetch_url0
> ├── curl_fetch_url1
> │   └── squashfs.img
> ├── curl_fetch_url2
> ├── curl_fetch_url3
> ├── dhclient.eth0.dhcpopts
> ├── dhclient.eth0.lease
> ├── dhclient.eth0.pid
> ├── F3ilzP-ks.cfg
> ├── ifcfg
> │   └── ifcfg-eth0
> ├── ifcfg-leases
> │   └── dhclient-fb2320f7-4d9f-417f-ad33-33105024ca08-eth0.lease
> ├── ks.cfg
> ├── ks.cfg.done
> ├── ks.info
> ├── net.52:54:00:7b:80:c7.did-setup
> ├── net.eth0.dhcpopts
> ├── net.eth0.did-setup
> ├── net.eth0.gw
> ├── net.eth0.hostname
> ├── net.eth0.hwaddr
> ├── net.eth0.lease
> ├── net.eth0.manualup
> ├── net.eth0.pid
> ├── net.eth0.resolv.conf
> ├── net.eth0.up
> ├── net.ifaces
> └── net.lo.manualup
> 
> That means that the squashfs is packed inside a initramfs during
> installation? I don't get the idea because we *have* a running system
> with a initramfs, that is the primer for the whole boot.
> 
> Best Regards
> Oli

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