31 Dec 2012
Migrate to new Certificate Authority, while another one is in production
http://serverfault.com/questions/276342/adding-new-root-enterprise-ca-without-disturbing-existing-one
5 Dec 2012
OSPF packets
Intra-area - O
Inter-area - O IA (Summary routes)
External - O E2 or O E1
Preference order for destinations with multiple routes:
Type 1 (RL): Router Links.
Type 2 (NL): Network Links.
Type 3 (SL): Summary Links.
Type 4 : ASBR Summary Links.
Type 5 (EL): External Links.
Inter-area - O IA (Summary routes)
External - O E2 or O E1
Preference order for destinations with multiple routes:
- Intra-area
- Inter-area
- External E1 (external+internal cost)
- External E2 (only external cost)
Type 1 (RL): Router Links.
Type 2 (NL): Network Links.
Type 3 (SL): Summary Links.
Type 4 : ASBR Summary Links.
Type 5 (EL): External Links.
17 Sept 2012
List largest folders (sorted)
du -sk * | sort -rn | while read size fname; do for unit in
k M G T P E Z Y; do if [ $size -lt 1024 ]; then echo -e
"${size}${unit}\t${fname}"; break; fi; size=$((size/1024)); done;
done|more
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