Apr 172013
 
My approach to... daily ports upgrade

I’m rather skeptic on complete automation, especially when it comes to upgrading critical systems. So I run a manual ones instead, mostly daily, but may not be the case when I’m otherwise engaged. In case of ALICE running FreeBSD the task is divided into few separate scripts which in normal run go as follows:

  1. upgrade
    • fetches all new ports and
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Apr 172013
 
SolarWinds Orion WirelessSwitchPortMapping (table)

Below is a SQL query to create WirelessSwitchPortMapping (view) in Orion NPM database:

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE VIEW [dbo].[WirelessSwitchPortMapping]
AS
SELECT
ISNULL(wl_con.Controller_Name,'') as [Controller Name],
ISNULL(wl_con.Controller_IPAddress,'') as [Controller Source IP Address],
CASE WHEN wl_con.ID IS NOT NULL THEN CAST(n.[Description] AS NVARCHAR(512)) ELSE ''
END AS [Controller Description], -- description from Nodes table, it can be 
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Apr 162013
 
My broadband speed test results

I’m using the fastest at the moment broadband service – 150 Mbps (down) and 10 Mbps (up) – from UPC. Initially I had 100 Mbps / 7 Mbps service but at some point UPC automatically upgraded my service to 120 Mbps / 7 Mbps free of charge (isn’t that great…). Soon after they introduced 150 Mbps / 10 Mbps … MORE

Bandwidth conversions

 Posted by on 2013-04-16 at 00:11  Networking  No Responses »
Apr 162013
 
Bandwidth conversions

Always getting these bandwidth calculations bit confusing so for once for most common units something quick and useful. Let’s focus on type of units in which we can express data transfer rate of the network interface.

Fundamental units, or suffixes, are below:

BIT – smallest unit of information, either 1 or 0, written as bit or b (small letter … MORE

OpenSSL Commands

 Posted by on 2013-04-14 at 12:03  *nix, FreeBSD, Linux, OpenSSL, SSL  No Responses »
Apr 142013
 
OpenSSL Commands

OpenSSL is an open-source implementation of the SSL and TLS protocols with versions available for most Unix-like operating systems (including Solaris, Linux, Mac OS X and the various open source BSD operating systems), OpenVMS and Microsoft Windows, even  IBM provides a port for the System i (OS/400).

OpenSSL is commonly used to create the CSR (Certificate Signing … MORE

Apr 112013
 
Viewing PDFs in Chromium on Linux Mint

Since the PDF library is not a free software, it isn’t included with the distribution of Chromium.

To get PDF support in Chromium:

  1. download the appropriate DEB package for your system from https://www.google.com/intl/en/chrome/browser/
  2. using the archive manager, extract libpdf.so from /opt/google/chrome/
  3. copy that file into /usr/lib/chromium-browser/ (remember you have to root or use sudo)
  4. restart Chromium if you have it
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Upgrading FreeBSD

 Posted by on 2013-04-10 at 00:35  FreeBSD  No Responses »
Apr 102013
 
Upgrading FreeBSD

Decided to get my FreeBSD 9.0-REL upgraded to 9.1-REL. Kernel upgrade went just fine and no issues when booting into the system. But noticed some ports needed rebuild. So went recompiling all ports with below as I used to in the past

/usr/local/sbin/portmaster -RafCd -m DISABLE_VULNERABILITIES=yes -m FORCE_PKG_REGISTER=yes

For some reason process was exiting pointing at ghostscript and x11. After … MORE