Mandar P. posted an article on
TechSutram
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Dec 4, 2011, 6:01 am
It’s often a requirement to monitor Unix processes in the field of performance monitoring. However, there is a catch. Different flavors of Unix have different process monitoring tools such as `top`. Of course `top` is not available on all platforms. Similarly HP-UX has something called ‘glanceâ€... Comment - Like
Mandar P. posted an article on
TechSutram
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Dec 4, 2011, 6:01 am
It’s often a requirement to monitor Unix processes in the field of performance monitoring. However, there is a catch. Different flavors of Unix have different process monitoring tools such as `top`. Of course `top` is not available on all platforms. Similarly HP-UX has something called ‘glanceâ€... Comment - Like
Mandar P. posted an article on
TechSutram
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Sep 30, 2011, 1:06 pm
Below are the CLIs to display CPU information on Linux, Solaris, AIX and HP-UX.
LINUX:Â
# cat /proc/cpuinfo
SOLARIS:
# psrinfo –v
# prtdiag
or
# prtdiag | grep SUNW
# prtconf
AIX:
# lscfg -l ... Comment - Like
Mandar P. posted an article on
TechSutram
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Sep 30, 2011, 1:06 pm
Below are the CLIs to display CPU information on Linux, Solaris, AIX and HP-UX.
LINUX:Â
# cat /proc/cpuinfo
SOLARIS:
# psrinfo –v
# prtdiag
or
# prtdiag | grep SUNW
# prtconf
AIX:
# lscfg -l ... Comment - Like
Mandar P. posted an article on
TechSutram
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Sep 30, 2011, 11:49 am
In previous high availability lens 2, we saw general formula to express availability in terms of uptime and downtime. And also in terms of MTBF and MTTR.
MTTR is mean time to repair ,i.e. average time required to repair a failure. If we look at the formula for availability in terms of MTBF and MT... Comment - Like
Mandar P. posted an article on
TechSutram
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Sep 30, 2011, 11:49 am
In previous high availability lens 2, we saw general formula to express availability in terms of uptime and downtime. And also in terms of MTBF and MTTR.
MTTR is mean time to repair ,i.e. average time required to repair a failure. If we look at the formula for availability in terms of MTBF and MT... Comment - Like
Mandar P. posted an article on
TechSutram
-
Sep 27, 2011, 11:09 am
In Firefox scripts time out frequently while accessing web pages which large data. By large data, I mean that scripts/web pages taking long time to crunch data on client-side. e.g. plotting JavaScript based graphs with more than 20K data points. In this case, data has to be downloaded at client side... Comment - Like
Mandar P. posted an article on
TechSutram
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Sep 27, 2011, 11:09 am
In Firefox scripts time out frequently while accessing web pages which large data. By large data, I mean that scripts/web pages taking long time to crunch data on client-side. e.g. plotting JavaScript based graphs with more than 20K data points. In this case, data has to be downloaded at client side... Comment - Like
Mandar P. posted an article on
TechSutram
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Aug 7, 2011, 4:41 am
One of the most used features of Firefox on my computer is Firefox sync (previously Mozilla Weave).
However, once Firefox is upgraded from 3.x to 4.x (and now to 5.x), Mozilla Firefox stops syncing when Firefox is closed. The issue is default Privacy settings that shipped with Firefox and clear... Comment - Like
Mandar P. posted an article on
TechSutram
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Aug 7, 2011, 4:41 am
One of the most used features of Firefox on my computer is Firefox sync (previously Mozilla Weave).
However, once Firefox is upgraded from 3.x to 4.x (and now to 5.x), Mozilla Firefox stops syncing when Firefox is closed. The issue is default Privacy settings that shipped with Firefox and clear... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 30, 2011, 8:25 am
Most of the times when we say a Linux version then we are referring to the specific Linux distributions…such as Red Hat, SuSe, Debian, Ubuntu etc.
Below are the CLIs that list their distribution specific Linux versions.
On Red Hat Linux Distribution:
# cat /etc/redhat-release
... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 30, 2011, 8:25 am
Most of the times when we say a Linux version then we are referring to the specific Linux distributions…such as Red Hat, SuSe, Debian, Ubuntu etc.
Below are the CLIs that list their distribution specific Linux versions.
On Red Hat Linux Distribution:
# cat /etc/redhat-release
... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 25, 2011, 7:20 am
Below cli lists all mapping between legacy and agile DSF for storage attached to HP-UX server.
# ioscan -m dsf
Persistent DSFÂ Â Â Â Â Â Â Â Â Â Legacy DSF(s)
========================================
/dev/rdisk/disk1Â Â Â Â Â Â Â Â /dev/rdsk/c0t0d0
/dev/rdi... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 25, 2011, 7:20 am
Below cli lists all mapping between legacy and agile DSF for storage attached to HP-UX server.
# ioscan -m dsf
Persistent DSFÂ Â Â Â Â Â Â Â Â Â Legacy DSF(s)
========================================
/dev/rdisk/disk1Â Â Â Â Â Â Â Â /dev/rdsk/c0t0d0
/dev/rdi... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 25, 2011, 4:53 am
Below is the CLI to identify kernel bits on HP-UX,
# getconf KERNLE_BITS
64Â Â 32Â Â
Another alternate way to find out the same is...
# print_manifest | grep -i "OS mode"
   OS mode:           64 bit
Identifying Processor support…
# getc... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 25, 2011, 4:53 am
Below is the CLI to identify kernel bits on HP-UX,
# getconf KERNLE_BITS
64Â Â 32Â Â
Another alternate way to find out the same is...
# print_manifest | grep -i "OS mode"
   OS mode:           64 bit
Identifying Processor support…
# getc... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jul 13, 2011, 8:30 am
I was looking for a way to create .depot file on HP-UX and CLI swpackage came to rescue.
Below is the CLI for creating single tape .depot file from multiple software depots.
Assumption: Your depot packages are in current directory
# /usr/sbin/swpackage -x target_type=tape -s `pwd` -d ... Comment - Like
Mandar P. posted an article on
TechSutram
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Jul 13, 2011, 8:30 am
I was looking for a way to create .depot file on HP-UX and CLI swpackage came to rescue.
Below is the CLI for creating single tape .depot file from multiple software depots.
Assumption: Your depot packages are in current directory
# /usr/sbin/swpackage -x target_type=tape -s `pwd` -d ... Comment - Like
Mandar P. posted an article on
TechSutram
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Jun 22, 2011, 2:58 pm
Recently I was working on popular Perl framework, Catalyst. One of the tasks was to generate form quickly and obviously used FormBuilder though it is no longer updated (I guess).
However, the traditional output of FormBuilder is not very nice as compared to newly designed forms so decided to i... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jun 22, 2011, 2:58 pm
Recently I was working on popular Perl framework, Catalyst. One of the tasks was to generate form quickly and obviously used FormBuilder though it is no longer updated (I guess).
However, the traditional output of FormBuilder is not very nice as compared to newly designed forms so decided to i... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 29, 2011, 10:07 am
While shell scripting on UNIX/LINUX/SOLARIS/AIX et cetera, it is often a requirement to translate uppercase characters to lowercase characters.
It can be a user input or contents of file that one might be processing using shell scripting.
Below one liner uses ‘tr’ CLI to translate upp... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 29, 2011, 10:07 am
While shell scripting on UNIX/LINUX/SOLARIS/AIX et cetera, it is often a requirement to translate uppercase characters to lowercase characters.
It can be a user input or contents of file that one might be processing using shell scripting.
Below one liner uses ‘tr’ CLI to translate upp... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 11, 2011, 9:12 am
I just had a requirement to convert a CD with .wav files to .mp3 format. The first thing which I did was to boot into OpenSuse 11.3 box and launch lame.
e.g. to convert Test.wav file to Test.mp3, we can use following syntax,
# lame –h –b 192 Test.wav Test.mp3
We can use above CL... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 11, 2011, 9:12 am
I just had a requirement to convert a CD with .wav files to .mp3 format. The first thing which I did was to boot into OpenSuse 11.3 box and launch lame.
e.g. to convert Test.wav file to Test.mp3, we can use following syntax,
# lame –h –b 192 Test.wav Test.mp3
We can use above CL... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 8, 2011, 3:12 am
Below is one liner that can be used to update all PERL modules,
#perl -MCPAN -e 'CPAN::Shell->install(CPAN::Shell->r)'
However, some modules eventually requires unstable version of PERL. Its just a matter of choice to go with unstable version of PERL.
I tried this CLI on OpenSuSe 11.3... Comment - Like
Mandar P. posted an article on
TechSutram
-
May 8, 2011, 3:12 am
Below is one liner that can be used to update all PERL modules,
#perl -MCPAN -e 'CPAN::Shell->install(CPAN::Shell->r)'
However, some modules eventually requires unstable version of PERL. Its just a matter of choice to go with unstable version of PERL.
I tried this CLI on OpenSuSe 11.3... Comment - Like
Mandar P. posted an article on
TechSutram
-
Apr 10, 2011, 3:28 am
Before we dive into differences of software Product Testing Vs Project Testing, it is essential to define the context that defines what software product and software project is.
A software Product can be a single software project or set of software projects owned by individual(s) or organizatio... Comment - Like
Mandar P. posted an article on
TechSutram
-
Apr 10, 2011, 3:28 am
Before we dive into differences of software Product Testing Vs Project Testing, it is essential to define the context that defines what software product and software project is.
A software Product can be a single software project or set of software projects owned by individual(s) or organizatio... Comment - Like
Mandar P. posted an article on
TechSutram
-
Apr 4, 2011, 1:03 pm
Below is the CLI that can be used to recursively get md5sum for all files in a current directory.
#find . –type f –print0 | xargs –0 md5sum
Comment - Like
Mandar P. posted an article on
TechSutram
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Apr 4, 2011, 1:03 pm
Below is the CLI that can be used to recursively get md5sum for all files in a current directory.
#find . –type f –print0 | xargs –0 md5sum
Comment - Like
Mandar P. posted an article on
TechSutram
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Mar 4, 2011, 11:55 am
I was trying to install ‘DBD-mysql-4.018’ on OpenSuse 11.3 box and have following set of packages installed for MySQL.
-------------------------START----------------------->
linux:/home/Builder/DBD-mysql-4.018 # rpm -qa | grep -i mysql
php5-mysql-5.3.3-0.7.1.i586
libmysql... Comment - Like
Mandar P. posted an article on
TechSutram
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Mar 4, 2011, 11:55 am
I was trying to install ‘DBD-mysql-4.018’ on OpenSuse 11.3 box and have following set of packages installed for MySQL.
-------------------------START----------------------->
linux:/home/Builder/DBD-mysql-4.018 # rpm -qa | grep -i mysql
php5-mysql-5.3.3-0.7.1.i586
libmysql... Comment - Like
Mandar P. posted an article on
TechSutram
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Feb 7, 2011, 1:08 pm
I was trying to compile Perl 5.12.3 on OpenSuse 11.3 for catalyst framework environment. However, during compilation of Perl source code, it exited at ODBM_File.xs (below is small snip from the session, not pasting whole compilation…)
----------------------START------------------------->
... Comment - Like
Mandar P. posted an article on
TechSutram
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Feb 7, 2011, 1:08 pm
I was trying to compile Perl 5.12.3 on OpenSuse 11.3 for catalyst framework environment. However, during compilation of Perl source code, it exited at ODBM_File.xs (below is small snip from the session, not pasting whole compilation…)
----------------------START------------------------->
... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jan 20, 2011, 1:58 pm
Just a quick post to list few categories of Test Automation Framework.
1. Data Driven Test Frameworks
2. Keyword Driven Test Frameworks
3. Test scripts’ Driven Test Frameworks
4. Test Library Driven Test Frameworks
5. Hybrid Test Frameworks
Do you know any other cat... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jan 20, 2011, 1:58 pm
Just a quick post to list few categories of Test Automation Framework.
1. Data Driven Test Frameworks
2. Keyword Driven Test Frameworks
3. Test scripts’ Driven Test Frameworks
4. Test Library Driven Test Frameworks
5. Hybrid Test Frameworks
Do you know any other cat... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jan 1, 2011, 5:40 am
In our last post HA Lens 1, we have seen what is mean by High Availability. Availability can be measured in numbers provided these numbers are used consistently for behavior of given system. Availability is essentially a function of Reliability and it is just one of the factors that affects system a... Comment - Like
Mandar P. posted an article on
TechSutram
-
Jan 1, 2011, 5:40 am
In our last post HA Lens 1, we have seen what is mean by High Availability. Availability can be measured in numbers provided these numbers are used consistently for behavior of given system. Availability is essentially a function of Reliability and it is just one of the factors that affects system a... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 21, 2010, 7:52 am
This is one of the series of posts that I have planned to write about high availability. This post exclusively tries to explain High Availability the way I understood.
The term Availability refers to the time required for system to respond to user request, i.e. the time period over which servic... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 21, 2010, 7:52 am
This is one of the series of posts that I have planned to write about high availability. This post exclusively tries to explain High Availability the way I understood.
The term Availability refers to the time required for system to respond to user request, i.e. the time period over which servic... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 1, 2010, 2:24 am
In previous post, e-Learning module for IBM SAN Volume Controller, we referred to single e-Learning module for IBM SAN Volume Controller. However, it doesn’t cover other key concepts related to SAN Volumes.
Link below refers to all the Learning modules provided by IBM for SAN Volume controlle... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 1, 2010, 2:24 am
In previous post, e-Learning module for IBM SAN Volume Controller, we referred to single e-Learning module for IBM SAN Volume Controller. However, it doesn’t cover other key concepts related to SAN Volumes.
Link below refers to all the Learning modules provided by IBM for SAN Volume controlle... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 1, 2010, 2:08 am
e-learning module for IBM SAN Volume Controller is good starting point for people who are new to storage systems and wanted to learn about what is storage virtualization, thin-provisioning and mirroring.
Below is link to access e-Learning module for IBM SAN Volume Controller.
Flash video f... Comment - Like
Mandar P. posted an article on
TechSutram
-
Dec 1, 2010, 2:08 am
e-learning module for IBM SAN Volume Controller is good starting point for people who are new to storage systems and wanted to learn about what is storage virtualization, thin-provisioning and mirroring.
Below is link to access e-Learning module for IBM SAN Volume Controller.
Flash video f... Comment - Like
Mandar P. posted an article on
TechSutram
-
Nov 24, 2010, 11:32 am
Just wanted to share data center high availability guide from CISCO. It is an excellent reference guide for HA Basics and data center design.
It can be accessed online in HTML format at http://www.cisco.com/en/US/docs/solutions/Enterprise/Data_Center/HA_Clusters/HA_Clusters.html
Download t... Comment - Like
Mandar P. posted an article on
TechSutram
-
Nov 24, 2010, 11:32 am
Just wanted to share data center high availability guide from CISCO. It is an excellent reference guide for HA Basics and data center design.
It can be accessed online in HTML format at http://www.cisco.com/en/US/docs/solutions/Enterprise/Data_Center/HA_Clusters/HA_Clusters.html
Download t... Comment - Like
Mandar P. posted an article on
TechSutram
-
Oct 23, 2010, 8:26 am
A flaw in Reliable Datagram Sockets protocol (RDS) implementation in the Linux kernel can be exploited to gain root access. The kernel exploit released by http://www.vsecurity.com
I used OpenSuse 11.3 with latest kernel to try this exploit on my local machine.
And compiled, executed the expl... Comment - Like
Mandar P. posted an article on
TechSutram
-
Oct 23, 2010, 8:26 am
A flaw in Reliable Datagram Sockets protocol (RDS) implementation in the Linux kernel can be exploited to gain root access. The kernel exploit released by http://www.vsecurity.com
I used OpenSuse 11.3 with latest kernel to try this exploit on my local machine.
And compiled, executed the expl... Comment - Like
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