Tag: linux

  • Process Status Analysis – the first steps

    Process Status Analysis – the first steps

    I am pleased to announce my first cross-platform and open source project, the Process Status Analysis tool, available on GitHub. The Process Status Analysis (psa) is a command line tool that offer some Operating System processes analysis features: – Get all processes loaded in memory information – Get process only used memory – Print processes tree – Top most “expensive” processes – Redirect output to a file

  • apt-get and the static IP challenges within Raspbian OS

    This is the story of my first experiences with Raspberry PI 2 card computer. Back in March, I bought a new toy, a Raspberry PI 2. I have downloaded the Raspbian OS ISO image, wrote it on the microSD card and the toy was up and running.  As most probably you already know, the default package […]

  • Ubuntu – How to fix update errors for a server behind of a proxy

    If you’re behind of a proxy server and the IP address has changed (or proxy it’s a new node in your network topology) then probably when you’re trying to update your binaries then you’ll get a list of errors. [bash] W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/oneiric-security/multiverse/i18n/Translation-en_US Unable to connect to 192.168.120.240:3128: W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/oneiric-security/multiverse/i18n/Translation-en Unable to connect to 192.168.120.240:3128: [/bash] This happens because you’re unable to connect to Ubuntu mirrors. In order to fix this issue you have to edit apt.conf file settings. [bash] root@my-server:~# vi /etc/apt/apt.conf Acquire::http::Proxy “http://192.168.230.99:3128”; [/bash]

  • Progress database operations

    Preliminary remarks Application path (Sun Solaris Unix OS): /myApp/myapp111a/ Database location: /myApp/db/test_db Usually, our workstations have Windows OS and we need to connect to Solaris Unix OS on SSH. That’s why we are using Putty application. User: root Password: xxxxxxxxxx []