[proxmox] - online resize container partition LVM

1. click resize disk

enter increment in GB

2. # growpart /dev/sda 3
CHANGED: partition=3 start=2101248 old: size=65005568 end=67106816 new: size=85979103,end=88080351

this will grow from 32gb to 43gb

3. # pvresize /dev/sda3
  Physical volume "/dev/sda3" changed
  1 physical volume(s) resized / 0 physical volume(s) not resized

this resize volume group to new size

4. # pvs
  PV         VG        Fmt  Attr PSize    PFree
  /dev/sda3  ubuntu-vg lvm2 a--   <41 .00g="" b="" g="" nbsp="">
  /dev/sdb1  ssdMySQL  lvm2 a--    <2 .00g="" nbsp="" p="">  /dev/sdc1  ssd1gb    lvm2 a--  1016.00m 1016.00m

Done!

ref:
https://ask.fedoraproject.org/en/question/115383/need-to-resize-lv_home-to-use-remaining-space-on-pv-but-cannot/

https://askubuntu.com/questions/24027/how-can-i-resize-an-ext-root-partition-at-runtime

implement own CA for own use

parking here: https://deliciousbrains.com/ssl-certificate-authority-for-local-https-development/

openssl genrsa -des3 -out myCA.key 2048

openssl req -x509 -new -nodes -key myCA.key -sha256 -days 1825 -out myCA.pem

Creating CA-Signed Certificates for Your Dev Sites

Now that we’re a CA on all our devices, we can sign certificates for any new dev sites that need HTTPS. First, we create a private key:

openssl genrsa -out dev.mergebot.com.key 2048 
 
Then we create a CSR:
openssl req -new -key dev.mergebot.com.key -out dev.mergebot.com.csr 

create the certificate:
openssl x509 -req -in dev.mergebot.com.csr -CA myCA.pem -CAkey myCA.key -CAcreateserial \
-out dev.mergebot.com.crt -days 1825 -sha256 -extfile dev.mergebot.com.ext