I’m drawn in by this viral video! “help me!”
Enjoy!
James
Virtuozzo increasing inodes
Need to increase the number of inodes for a virtuozzo container?
vzctl set (container ID) --diskinodes 6000000:6100000 --save
Enjoy 🙂
Proftpd and Filezilla symlinks not working
If you find yourself in a situation where you’re using FileZilla 3 and the server is proftpd based you may find that your symlinks (symbolic links) aren’t working and throw the following errors:-
"Critical File System Error"
Then you may need to enable the following in your ProFTPD config providing your ProFTPD server is patched to support it:-
ShowSymlinks on <IfModule mod_facts.c> FactsOptions UseSlink </IfModule>
Hope this helps
James
File name or class name not found during Automation operation – CDOSYS
This one had me stumped for a while.
Prequisites
Windows 2008 64bit
IIS 7
ASP Site using cdosys
Trying to send with CDOSYS in ASP or ASP .NET and the following kept appearing:
File name or class name not found during Automation operation
Turns out that this is related to the 32bit version of cdosys.dll not being registered within the syswow64 folder!
regsvr32 C:\windows\syswow64\cdosys.dll
Hope this helps people out there 🙂
James
TCP SYN Flood protection on Cisco ASAs
Came across this one today as an ASA that I look after started reporting ‘Resource ‘conns’ limit of 10000 reached for system’. Turns out this is a TCP session limit that’s being hit and at least in my case was a TCP SYN Flood attack. By running the following you can find out how many open sessions there currently are on the ASA:
ciscoasa# show conn count 1941 in use, 3739 most used
The above is a pretty sane amount but the maximum is 10000 so to incorporate some ‘basic’ TCP syn flood protection you can restrict the maximum amount of half-open TCP connections as follows:
class-map SYN_Prevention match any ! policy-map global_policy class SYN_Prevention set connection embryonic-conn-max 1000 per-client-embryonic-max 30
The above basically configures your ASA to permit a maximum of 1000 ‘half-open’ tcp sessions at a time globally and a per client maximum of 30 (per end user ip address).
Hope this helps:)
Jay
#outage Melbourne Hosting
Melbourne Hosting have reported a network issue at this time occurring around 15:55 30/05/2013 no further updates at this time but they are updating their twitter.
Jay
#outage Daisy Wholesale service outage
Summary:
There are reports of Broadband issues at Daisy Wholesale with packet loss affecting some users as of today at 10am~ BST. No further information at this time.
#outage Level 3 cable cuts in Europe (between UK/IE)
Summary:
There are reports of a Level3 submarine cable cut on an underwater cable between United Kingdom and Ireland. There’s also information of a pre-existing fibre failure on the secondary cable thereby impacting both protected and unprotected services according to sources.
Impacted For: 15 hours 48 minutes
“special midwifery service”
“Special midwifery service, Pat is on his way” “what’s it going to be today”
Change MSSQL database owner / schema
Looking to change the schema/owner on a stored procedure that you’ve restored from a different MSSQL database server. The following took me a while to work out based on all the different options. sp_changedbowner did not work for me, I had to change the schema rather than the actual owner.
ALTER SCHEMA [new schema name] TRANSFER [old schema].[stored procedure/object]
example:
ALTER SCHEMA dbo TRANSFER databdev.sp_ASPBannner_DBinfo
This was annoying to find especially as I was initially getting ‘Cannot find the object ‘sp_ASPBannner_DBinfo’, because it does not exist or you do not have permission’ and similar errors.
Jay Greig