Set Environment Variable without admin Privileges on Windows 7+

Open Run Command and Write “rundll32 sysdm.cpl,EditEnvironmentVariables” Run Command Edit and Write rundll32 sysdm.cpl,EditEnvironmentVariables Add/Edit/Remove Profile Environment Variables Environment Variables Edit Window

npm install and github dependencies when you are behind a proxy

Open terminal and paste $ git config --global url. git:// (Optional) Remove ssl verification (not-safe) $ git config --global http.sslverify false

Install Java Without admin Privileges

Donwload Windows JDK at Oracle’s Web Site (e.g: jdk-8u121-windows-x64.exe) Install 7-zip portable Extract with 7-zip the files from jdk-8u121-windows-x64.exe to C:\Java (or wherever you want) With the command line, go to the folder you extracted the .exe files and execute...

Git and Self Signed Certificates

Single repo $ git -c http.sslVerify=false clone Global repos $ git config --global http.sslVerify false More details check

Remove Old Kernels on Fedora/CentOS/RHEL

Check installed kernels $ rpm -q kernel kernel-2.6.32-279.el6.x86_64 kernel-2.6.32-279.2.1.el6.x86_64 kernel-2.6.32-279.5.2.el6.x86_64 kernel-2.6.32-279.9.1.el6.x86_64 Remove Old Kernels ## Install yum-utils ## ## Fedora 25/24/23/22 ## dnf install yum-utils ## Fedora 21/20/19/18/17/16, CentOS, Red Hat (RHEL) ## yum install yum-utils ## Package-cleanup set count...