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From the command line, as the root user, run:

Alternatively, using  on one line, as any user you can directly intall a module by running:

sudo perl -MCPAN -e 'install Module::Name'

From the command line, as the root user, run: # perl -MCPAN -e shell And then at the cpan command line run: cpan> install Module::Name Alternatively, using sudo on one line, as any user you can directly intall a module by running: sudo perl -MCPAN -e ‘install Module::Name’

How to install Perl modules on a Unix / Linux server

If you need to make sure that data incoming from a data source is integer, you can use:

if (  =~ m/^[d]*$/ ) { print "integern"; }

If you need to make sure that data incoming from a data source is integer, you can use: if ( =~ m/^[d]*$/ ) { print “integern”; } More info is on SitePoint.

Check Variable Type is Integer in Perl

To do a recursive search and replace in a file system tree, the most effective way is to work directly on the file system. Using a tool like DreamWeaver is slow and cumbersome. Unix offers perl and find, which combined allow to do a search and replace recursively very easily. This implmentation is in perl, but sed could also be used to achieve the same result.  At the prompt (with ssh or putty) go to the root of the tree you would like to modify, and type the following commands:

for i in doperl -p -i~ -e 's/original text/replacement text/g' ""done

The above shell script will cycle through all the subdirectories starting with the current directory and look for all .html files. “original text” can be any regular expression valid in perl.

To do a recursive search and replace in a file system tree, the most effective way is to work directly on the file system. Using a tool like DreamWeaver is slow and cumbersome. Unix offers perl and find, which combined allow to do a search and replace recursively very easily. This implmentation is in perl, […]

How to change a link everywhere throughout one or multiple websites?

If the build fials because of a makefile error, it is most likely due to an encoding error during the generation of the makefile. That type of error is described in the RedHat Bugzilla report #87682 and the solution given is to change LANG from en_US.UTF8 to en_US.

Making Perl Module Fails on RedHat

Remote work has become the new norm all over the world. While giving employees remote access to the company’s network helps keep the business going during these unprecedented times, ensuring secure remote work comes with challenges. 

The COVID-19 healthcare crisis has compelled many companies to adopt work from home policies. This shift that had to be managed almost overnight by most businesses brought many security compromises and generic strategies that may prove inadequate in the long run. Millions of employees started handling sensitive work data outside their office for the first time. In the absence of a controlled office environment, working remotely makes data more vulnerable, especially for companies without solid work-from-home (WFH) plans. 

Malicious outsiders can easily take advantage of the chaos, targeting vulnerable or sensitive infrastructures amid the pandemic. Insider threats, including social engineering attacks, sharing data - accidentally or intentionally - outside the company, using unauthorized devices, and physical theft of company devices, are also more likely to happen.  Employees, freed from the restrictive policies of company networks, might take security practices less seriously and endanger the data they take home with them. Companies cannot control who comes and goes in the home of an employee, whether third-parties have access to a work device or employees choose to work in public places such as parks or cafes. 

Here are some practical steps you can take to safeguard your sensitive data with a WFH workforce.

Virtual Private Networks (VPNs) are one of the most recommended precautions for remote workers. Touted as privacy and security must-haves, VPNs are an easy and cost-efficient way to protect your company’s network connections and data. By deploying a VPN, organizations can ensure that data moves securely between the company’s core systems and employees’ devices. VPNs add an extra layer of security, encrypting the transmitted data, hiding the IP address, and masking the location of the sender. Some VPNs offer military-grade 256-bit encryption of your data. By preventing others from accessing your connection, a VPN can keep transmitted information anonymous and secure. Using a VPN is especially useful when connected to public WiFi, often less secure and usually not password-protected. 

Encryption is also an essential part of secure remote work for both data stored on devices (aka data at rest) and data on the move (aka data in transit). In the case of data at rest, encryption is an especially useful preventive measure against cyberattacks. It can also ensure that if devices are stolen or forgotten while outside the office, data can’t be accessed by unauthorized people. Hard drive encryption has become a standard tool, and it is included in the most popular operating systems: BitLocker in Windows and FileVault in macOS. Individual files can also be encrypted through these tools, allowing companies to add an extra layer of security to sensitive data files. As these native encryption tools don’t require any additional investment, companies are strongly encouraged to request their employees to use them. 

When in transit, data is in its most vulnerable state; as it travels, both inside and outside, the company is exposed to many risks, such as human error, network failures, insecure file-sharing, or malicious actions. And, with the rise of remote work, data travels more than ever before. By setting up a VPN, data sent over the internet is automatically encrypted and, thus, protected. However, this is not the only situation when data in transit needs encryption. Removable devices, and USBs in particular, are an easy pathway for data loss as they are easy to conceal, steal, and lose. Some Data Loss Prevention (DLP) solutions provide USB encryption, allowing organizations to automatically deploy an encryption solution to all USBs connected to a company computer. This way, it can be effectively ensured that any sensitive data copied onto USBs will be encrypted. 

Another way of ensuring your data security in the age of WFH is by applying data protection policies on the endpoint. This way, data protection software is installed directly on devices rather than at a network level, and policies will stay active regardless of the location of a device.

Endpoint DLPs such as Endpoint Protector by CoSoSys can support remote compliance by focusing on special categories of data such as Personally Identifiable Information (PII). These solutions are deployed on each endpoint, providing content discovery, preventing data leakage through storage devices, and safeguarding data when a device is outside the corporate network. By applying policies directly to sensitive data, DLP tools help companies monitor and control the transfer and use of personal information remotely, ensuring that it is not sent to people without access or uploaded to unauthorized third party services. 

In these challenging times, cybersecurity has also become a priority for businesses. Guided by these steps, organizations can ensure both efficiency and security in distributed offices. Thus, employees can work from home productively while keeping company data secure.

Written by Beata Berecki, Endpoint Protector by CoSoSys

A summary of measures taken to protect data when employees are working remotely.

How to Safeguard Data When the Majority of Your Workforce is Remote?

IBM makes it very easy to get the model number and the serial number of an AIX system or a VIOS on thier Power Series:

You don’t even need to be root to run the commands.

IBM makes it very easy to get the model number and the serial number of an AIX system or a VIOS on thier Power Series: $ uname -M # model number IBM,NNNN-NNN $ uname -m # serial number HHHHHHHHHHHH You don’t even need to be root to run the commands. More useful AIX commands.

DRAFT CONTENT TEST IBM Power Systems Model and Serial

This summer of 2020, the long awaited 8GB version of the Raspberry PI 4 came out.

Along with that hardware update came other goodies:

USB Gadget Image Builder (to have a fully functioning local network with you iPad Pro over USB C: 

This summer of 2020, the long awaited 8GB version of the Raspberry PI 4 came out. Along with that hardware update came other goodies: USB boot: USB Gadget Image Builder (to have a fully functioning local network with you iPad Pro over USB C: 

Tinkering with Raspberry Pi 8GB

Did you know that in the U.S someone falls victim to identity theft once every two seconds?

In 2017 alone, 60 million Americans were affected by identity theft, with the annual cost of this kind of fraud in the U.S being a staggering billion.

Of course, it is not just individuals who are at risk of having their identity stolen, businesses are just as vulnerable. Plus, if your business does become a victim of identity theft, not only can you lose money, you can also lose your livelihood and the trust of your customers.

Fortunately, there are steps that you can take as a business to protect yourself against identity thieves.

Keep reading to find out what they are and to ensure your business stays as safe and secure as possible.

Business identity theft, also known as commercial or corporate identity theft, is when someone or a group of people illegally impersonate a business for criminal gain. Unlike with personal identity theft that only affects an individual, business identity theft can impact your whole business, from your employees to your customers.

It is worth noting that business identity theft is not the same as a breach of sensitive company information or the same as an employee or consumer theft. It directly involves the impersonation of your business.

How can you safeguard your business from identity theft?

If you want to keep your business data secure, you need to ensure that you are informed and knowledgeable about your company’s credit reports, that way you will be able to immediately notice if something is amiss.

Using biometrics to protect your identity as a business is a highly effective way of keeping yourself safe from increasingly sophisticated online criminals. Using a wide variety of techniques including fingerprint scanners, voice detection, facial recognition and retina recognition, the biometric authentication industry is estimated to be worth a whopping .5 billion by 2023.

Stay up to date with digital security practices

This is particularly important for small and midsized businesses that may not survive a security breach of this kind.

Some of the best security practices that you should be adopting include:

If you receive any invoice for a service or for goods that you did not order and never received, this should instantly set alarm bells ringing. The same goes for if you receive a duplicate bill that you have already paid.

One of the more common phishing scams involves someone impersonating a CEO or other senior executive and requesting a wire transfer to an unknown account. If you regularly perform wire transfers or work with vendors overseas, you need to be particularly careful of this.

As a business owner, business identity theft is something that you should be taking extremely seriously.

Do not put off securing your data, as your customers, employees and business will be at risk if you do.

Follow the above practices, stay vigilant, and above all else, be consistent in your efforts.

Did you know that in the U.S someone falls victim to identity theft once every two seconds? In 2017 alone, 60 million Americans were affected by identity theft, with the annual cost of this kind of fraud in the U.S being a staggering billion. Of course, it is not just individuals who are at […]

Business Identity Theft: How You Can Protect Your Business

Automated updates for the core OS has been available for several years now on Macs, and Apple has added the ability to update automatically apps you have added from the AppStore as well. However, if you have installed open source apps with Brew, chances are that you may forget to update them regularly. This is likely to create vulnerabilities on your system, allowing attackers to get in undetected by most antiviral and anti-malware software.

To close this loop, a very simple tool can be installed, similar to the auto-update function at the OS level. Here is the “cookbook recipe” to follow:

brew update
brew upgrade
brew install terminal-notifier
brew tap domt4/autoupdate 
brew autoupdate –start –upgrade –enable-notification

install the terminal notifier incase you don’t have it yet

start the autoupdate to run on a regular basis

Don’t be like the picture below ? (Curtesy of xkcd.com)

Automated updates for the core OS has been available for several years now on Macs, and Apple has added the ability to update automatically apps you have added from the AppStore as well. However, if you have installed open source apps with Brew, chances are that you may forget to update them regularly. This is […]

Set up automatic updates for Brew on Mac OS X

If you are in SecOps, you probably have seen the threat of CryptoMiners running on compromised hosts. This article may not be for you, but if you would like to dive deeper inside of the working of crypto-mining you will find a few resources here to get you started.

For the example I use the Moonlander 2 ASIC USB stick as you can pick one up form Amazon for as little as as of March 2020, and it has all the features needed to work with a Raspberry PI. It allows to mine LTC (Litecoin.org).

sudo apt-get install -y build-essential git autoconf automake libtool pkg-config libcurl4-openssl-dev libudev-dev libusb-1.0-0-dev libncurses5-dev raspberrypi-kernel-headerscdmkdir minerscd minerssudo unzip Linux_3.x.x_4.x.x_VCP_Driver_Source.zipcd Linux_3.x.x_4.x.x_VCP_Driver_Sourcemakesudo cp -a cp210x.ko /lib/modules/4.19.0-6-amd64/kernel/drivers/usb/serial

Another example is the GekkoScience Bitcoin SHA256 Stick Miner, which lets you test how to mine BTC (bitcoin.org). 

I use the Raspberry PI, as it is a very low cost environment you can build with your children at a very young age. You can do a lot more with it then just teaching about Bitcoin, Blockchain, and mining.

The resources below have all the documentation necessary to get started.

The Moonlander device tends to lock up after a successful run with and the miner isn’t detected on successive runs with the status message: 

------------------------------------------NO DEVICES FOUND: Press 'M' and '+' to add------------------------------------------

The solution is to remove the driver (cp120x) and unplug / plug back in the USB stick:

check if the driver is re-registered by running  the output should look like 


Moonlander 2 USB Stick getting started instructions

GekkoScience Bitcoin Miner Setup on Linux / Raspberry Pi

Raspberry PI dependencies for building kernel modules

If you are in SecOps, you probably have seen the threat of CryptoMiners running on compromised hosts. This article may not be for you, but if you would like to dive deeper inside of the working of crypto-mining you will find a few resources here to get you started. For the example I use the […]

Tinkering with CryptoMining

This is an undocumented feature as of this writing, but on Windows you can upload a background image to MS Teams here:

This is an undocumented feature as of this writing, but on Windows you can upload a background image to MS Teams here: %AppData%\Microsoft\Teams\Backgrounds\Uploads   Stay tuned for Mac OS X

Your own background in MS Teams

Sport is a universal activity that is respected around the world. The top sports players make more than most academics and even business people, and they draw in crowds. As an institution in healthcare, having a good sports team can be a boon for your institution. It can bring in more funding, more patients, and national recognition. Using sports as a means to bring in more money for healthcare is a great means of buying better and more equipment and having the money to help support those in need of medical treatment.

Staff needs to be paid, doctors and nurses need the right equipment, and to be frank, employees in healthcare need a means of getting out and having fun. The industry of healthcare can be a difficult place to work, and so sports can not only help with funding but also provide an outlet.

Exercise is a staple to a healthy lifestyle, which is why you can do so much for your community and their health by managing a local sports team through volunteer efforts. Sponsor these teams through simple and affordable means – offer water stations, customize jerseys, and even bring some healthy snacks to the games and rally the community together. You can become an institution for your community and bring everyone together through the universal love of sport. As this would be for fun, all managerial positions and players will need to be volunteers. Thankfully, there are likely many people who would love to have fun and exercise while doing so, both youth and adults, so all you need to do is get people together and work with them from there.

In order to really bring in funding for your institution, however, you are going to have to partner up with other organizations. Managing a professional sports team is expensive, and as a medical institution who needs its funding to go towards its practice, managing, training, providing the venue for a team will come with a lot of upfront costs. That is why you should instead partner with an established team, where they can do charity games where the proceeds of the tickets go to you. Similarly, you could sponsor them, so that your institution’s logo is on their jersey’s and so that your brand is made known to the public. Work with notable rising sports stars like Rishin Patel who is not only a stand-up doctor but also a sportsman, and you can spread the word about your business and about health.

Marketing your sports team is just like marketing anything else. When you first start out it is best that you localize your efforts. This means holding local fundraisers, hosting charity games, volunteering, getting local businesses to sponsor your teams and players, and so on. Sports have the uncanny ability to bring a community together, meaning if you succeed in making your sports department a success, you can supplement your funding and provide better healthcare and health programs to everyone in your community.

Bring your community together, help them get active, and bring in more funding for your healthcare clinic – it’s a great solution for your business and the families you take care of.

Sport is a universal activity that is respected around the world. The top sports players make more than most academics and even business people, and they draw in crowds. As an institution in healthcare, having a good sports team can be a boon for your institution. It can bring in more funding, more patients, and […]

How Healthcare Can Use Sports as a Means of Funding

During long working days, a lunch break is something that everyone looks forward to. Whether it be to step outside and get some fresh air or to regain their energy after a long morning in the office, it is something that is integral to having a positive working day. Yet it could be that you are not using your lunch break effectively, which can lead to you being more tired after lunch, rather than re-energized.

To have a productive lunch break, the first step is to acknowledge that it is called a break for a reason; to not relax would indeed be counterproductive to the working day. If you are struggling to find ways to make the most of it, make sure you follow some key tips.

During the morning, your brain and body will have worked off all the food you ate for breakfast. This can result in your focus slipping and stress levels climbing, both of which won’t bode well for you in the workplace. As soon as you clock off for lunch, you should make sure you eat a meal rich in antioxidants, natural energy, and vitamins. To save your money on this, you can always prepare it before you come to work. This will also ensure you know exactly what is going into your body, and what each ingredient can do to help you stay on track.

One thing that many employees struggle to do it relax and take a step back at lunch. In fact, it is easy to feel guilty that you are not doing work, even when it is your lunch break. If you come back to work feeling more tired than you did before your break, that is a sure sign you need to learn to relax. One of the best ways to do this is by socializing with colleagues who have lunch at the same time, or by playing online games to take your mind off any stress. Choosing a trusted site such as https://www.unibet.co.uk/blog/football will enable you to place bets, play games, and keep up to date on the world of sports.

Being cooped up in an office for hours on end can make you feel uninspired when you need to be feeling the opposite. Sometimes, people need to take a step out of the building to feel refreshed for the next few hours. The best way to do this is by taking a walk in your local park, where you can soak up all the oxygen that your brain needs. If you have been feeling stressed throughout the day, this is also perfect for helping you stay calm, and also allows you to reassess how you feel more logically.

If you are somebody who can’t relax on your lunch break, then you can put your time to good use by brainstorming ideas for how you can improve in the business, and to see what new ideas you can bring to the table. Though it can be tempting to let your mind spiral with excitement, you should combine these brainstorm sessions with enough time for a true break so you can collect yourself before work starts for the afternoon.

During long working days, a lunch break is something that everyone looks forward to. Whether it be to step outside and get some fresh air or to regain their energy after a long morning in the office, it is something that is integral to having a positive working day. Yet it could be that you […]

How to Have a Productive Lunch Break

In recent years, healthcare providers and insurance plans have come under fire from criticism of every political angle. The biggest issue among patients is whether they are paying the right amount for the best quality of care; when such a large sum of money must cover medical fees, it is no surprise that they want more for their money. One of the best ways to reassure patients, and show that healthcare is looking out for them, rather than taking money from them, is to be transparent with them every step of the way. From the moment talk of costs comes into the equation, to the time they must go under anesthetic for a procedure, transparency is key.

Be honest about what costs a patient may incur

A lot of healthcare providers don’t sit down with patients to discuss costs before any medical processes go underway. In fact, patients are usually hit with a hefty medical bill that comes through the post a few weeks after everything has settled down. Not only can this cause stress for the patient, but can lead to a feeling of distrust between either them and the health insurance provider, or the hospital directly. As an insurer, any hidden costs should be talked about before any appointments are carried out, and hospitals should strive to give the best quality treatment for the price they are suggesting.

Let them know which medication has been used

Sometimes, a patient may not be aware of what kind of medication they have been given after an operation, or to control any health conditions. In the wake of the opioid epidemic that is sweeping the nation, there have been calls for better transparency over the medication that is issued to patients daily. Combatting this is as simple as printing out and going through proposed medical treatment with each patient to see if they are happy with it.

Much of a patient’s anxiety surrounding medical procedures is that they are unsure of the risks and benefits that can come about from a few hours on the operating table. They might not know which aesthetic is going to be used, or what exactly is going to be done to their body during the operation. Although sometimes knowing these facts can cause patients to panic, most of the time it is healthier to let them know, so that ambiguity can be removed from the process. Often, visiting trusted professionals like Rishin Patel Insight will make it easier for doctors to soothe any worries if a patient is aware that they won’t be in any pain.

When a patient is confronted with challenges in their health, they may often feel as though there is only one hospital or healthcare provider to turn to. Although initial appointments will usually have to be made at the local center, patients can still choose who they would like to see for any future appointments in areas such as physiotherapy or mental health therapy. Showing them that they have a choice in who they can see allows you to offer them the best care and support they need, rather than having it chosen for them.

In recent years, healthcare providers and insurance plans have come under fire from criticism of every political angle. The biggest issue among patients is whether they are paying the right amount for the best quality of care; when such a large sum of money must cover medical fees, it is no surprise that they want […]

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