Techy Things

27 Feb, 2018

How to check the list of installed kernels and the current one

Get list of installed kernels on CentOS $> rpm -qa kernel kernel-2.6.32-696.13.2.el6.x86_64 kernel-2.6.32-696.el6.x86_64 kernel-4.9.75-30.el6.x86_64 kernel-2.6.32-696.16.1.el6.x86_64 Get current kernel $> uname -r 4.9.75-30.el6.x86_64 Downgrade to a previous one You don't need to downgrade or uninstall a...

docker

21 Feb, 2018

ERROR: Couldn't connect to Docker daemon at http+docker://localunixsocket - is it running?

+ docker-compose -f /home/dev/cal7/vfcore/calypso/docker/build/docker-compose.yaml stop tc-fetch WARNING: The HAI_BASEOS variable is not set. Defaulting to a blank string. ERROR: Couldn't connect to Docker daemon at http+docker://localunixsocket - is it running? If it's at a...

Computer Configurations for AMD AM4 Ryzen with ASUS CSM mobo

computers

21 Feb, 2018

Computer Configurations for AMD AM4 Ryzen with ASUS CSM mobo

Ryzen configurations with Asus B350M-A/CSM CSM stands for Corporate Stable Motherboard

programming

15 Feb, 2018

gyp info it worked if it ends with ok gyp info using node-gyp@1.0.1 gyp info using node@0.10.38 | linux | ia32 gyp info chdir ldapjs/node_modules/buffertools gyp ERR! clean error gyp ERR! stack Error: EACCES,...

cc1plus: error: unrecognized command line option

centos

15 Feb, 2018

cc1plus: error: unrecognized command line option "-std=c++11"

On CentOS 6, getting the following error cc1plus: error: unrecognized command line option "-std=c++11" Solution scl enable devtoolset-2 bash or scl enable devtoolset-3 bash

node.js

22 Dec, 2017

NodeJS v8 "err": {"message": "fsReadFileAsync(...).then(...).then(...).catch(...).done is not a function",

After upgrading code and libraries, you might run into "err":{"message":"fsReadFileAsync(...).then(...).then(...).catch(...).done is not a function", An example erroneous code const fsReadFileAsync = util.promisify(fs.readFile.bind(fs)); const fsWriteFileAsync = util.promisify(fs.writeFile.bind(fs)); // First apply changes to fstab fsReadFileAsync(this._fstabFilename, "utf8")...

visual studio

5 Dec, 2017

Visual Studio Versions Mapping - Year vs Version

It is always a good choice when you release with a name but use another naming underneath. Visual Studio 6.0 (1998) Visual Studio .NET (2002) = version 7 Visual Studio .NET 2003 = version...

CONFLICT (submodule): Merge conflict in 'xyz'

git

23 Nov, 2017

CONFLICT (submodule): Merge conflict in 'xyz'

CONFLICT (submodule): Merge conflict in orthrus/external [dev@baobab vf]$ git checkout -b KRAK-1541-cleanup vfcore/orthrus/external: needs merge vfcore/vfcommonlib: needs merge error: you need to resolve your current index first [dev@baobab vf]$ git status # On branch...