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Get HTTP Code Response – Perl

Get HTTP Code Response – Perl Pass the script many hosts and obtain the HTTP response codes for the pages. [bash] ./http_check.pl … [/bash] [perl] use LWP::UserAgent; print get_url($url); sub get_url ($) { my $url = shift; my $ua = LWP::UserAgent->new; my $req = HTTP::Request->new(GET => $url); my $res = $ua->request($req); return $res->code; } ##Some […]
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Select the next available value in a table

Select the next available value in a table Let’s say I have a table like this: ID Value ———————- 100 val1 101 val2 104 val3 105 val4 107 val5 [sql] SELECT Min(r1.uid) + 1 AS next_available_uid FROM unixuid AS r1 LEFT OUTER JOIN unixuid AS r2 ON r2.uid = r1.uid + 1 WHERE r1.uid > […]
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Datacentre – classifications

Datacentre – classifications Tier Level Requirements 1 Single non-redundant distribution path serving the IT equipment Non-redundant capacity components Basic site infrastructure guaranteeing 99.671% availability 2 Fulfils all Tier 1 requirements Redundant site infrastructure capacity components guaranteeing 99.741% availability 3 Fulfils all Tier 1 & Tier 2 requirements Multiple independent distribution paths serving the IT equipment […]
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Copying a filesystem with Veritas

Copying a filesystem with Veritas This procedure is to create an exact copy of a Veritas filesystem. You will need enough spare disks in your volume group, and ideally anything using the filesystem should be killed. create a mirror # vxassist -g tier3dg mirror tier3fs # vxprint tier3fs Disk group: tier3dg TY NAME ASSOC KSTATE […]
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VxVM – Volume Management

Volume Management Add a volume (Normal UFS mounted filesystem) # # vxassist -g datadg maxsize # # iostat -En > /tmp/iostat_en_<date> # # devfsadm # # iostat -En > /tmp/iostat_en_<date>.NEW # # luxadm probe # If no disk appears add disk manually ## # vxdmpadm listctlr all ## # cfgadm -c configure c2 ## # […]
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