Author Archives: admin

Centos: No package libssl-dev available

While installing apache on CentOS 7: No package libssl-dev available The solution was to install openssl-devel: yum install openssl-devel https://lists.centos.org/pipermail/centos/2009-November/085812.html

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Best ETH pool March 2018? Mining Pool Hub vs Nanopool vs Ethermine

Watching crypto coin prices plummet, I figure it’s a good time to stay on the most profitable pool while mining is still (barely?) profitable. These are my results over the 1 week (March 10-17, 2018). Mining Pool Hub vs Nanopool … Continue reading

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error while loading shared libraries: libcudart.so.9.1: cannot open shared object file: No such file or directory

After installing ccminer on Ubuntu, was receiving the subject error. error while loading shared libraries: libcudart.so.9.1: cannot open shared object file: No such file or directory Thanks to the folks here I was able to adapt their solution to the … Continue reading

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Could NOT find CUDA (missing: CUDA_CUDART_LIBRARY)

Trying to install the nvidia Cuda software as per this site and kept hitting this wall Could NOT find CUDA (missing: CUDA_CUDART_LIBRARY) found many possible solutions on the web, but in my case, cmake -DCUDA_CUDART_LIBRARY=/usr/local/cuda/lib64/libcudart.so ../nheqminer solved the issue big … Continue reading

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Ubuntu USB won’t boot: Resolved

I installed Ubuntu server from a USB stick onto another USB stick. First I tried using a 4GB thumbdrive that was lying around and quickly ran out of space trying to install software, half the drive was used by swap. … Continue reading

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Update SourceTree password after remote change

After changing my password on the remote, I could not get Sourcetree to log in no matter what. I tried editing and deleting my accounts, deleting and re-adding the repo, nothing was working – Authentication failed every time. Finally this … Continue reading

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Free Site Sucker with Recursive wget

It may be useful to get an entire website recursively like such: wget –recursive –page-requisites www.domain.com More details can be found here about doing this for offline windows use and with no-clobber and other options I wasn’t concerned with.

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CentOS 7 PHP Install : mcrypt.h not found

Received the error while installing PHP: configure: error: mcrypt.h not found. Please reinstall libmcrypt. Resolved it with this: yum install epel-release yum install libmcrypt-devel

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Google Authenticator on Android, Invalid PIN

2FA is pretty cool, especially when you don’t have to get a text message or email. Google Authenticator generates codes that expire after 30 seconds, so I figured it’s a good option for 2FA. I tried installing it on my … Continue reading

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MongoDB Startup Warnings /sys/kernel/mm/transparent_hugepage/enabled is ‘always’

This happens every time and I need to look for the solution. Posting here to save time going forward. “startupWarnings”: { “totalLinesWritten”: 9, “log”: [ “2015-08-21T18:47:29.634+0000 I CONTROL [initandlisten] “, “2015-08-21T18:47:29.634+0000 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is ‘always’.”, “2015-08-21T18:47:29.634+0000 … Continue reading

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