Trouble installing 18.04 server dual boot on laptop

Oliver Grawert ogra at
Sat Aug 18 08:34:15 UTC 2018

Am Freitag, den 17.08.2018, 00:38 -0700 schrieb Eric Fort:
> T
> 2. The installer won’t seem to allow installation in a dual boot
> config,  it wants to use the entire disk and install mostly
> automatically.  I need more control over the install.

This works fine here... if you select manual install, you can manually
create all partitions (or a LVM or RAID) and it will happily do a dual-
boot installation if you partitioned it to do so (this is also one of
the general iso tests before release, so this also has been tried by
others (you can check results on

> 3. The installer insists upon use of a swap partition when I’d rather
> not. If the machine starts swapping with 16GB of ram I have bigger
> problems to resolve, like maybe running fewer VMs in parallel.  
There is definitely no swap partition used at all any more in *any*
Ubuntu installs with 18.04, all installations were switched to use a
sparse swap file. Dropping swap completely makes the kernels memory
management take a different code path which can result in weird
behaviour when getting close to the edge with ram usage, thus having a
self-growing swap file was picked to not go completely without swap
here. If you picked manual partitioning and did not create a swap
partition explicitly, there should not be one ... 


Are you sure you picked 18.04.1 ? there was a massive set of changes in
the server installer between 18.04 and 18.04.1 

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