Category: Unix Administration

  • Easy Raspberry PI and Sense Hat Datalogger

    Decided to have look at the Raspberry PI after reading about the Astro PI project The Raspberry PI have been around for some time and exist now in several versions. The one I purchased was the Raspberry PI B+ Together with that I got the Sense Hat module. Besides these two components, a micro SD…

  • Getting password less login with SSH to work when all hope is lost.

    Had access to two servers. On one I could login without password, on the second I could not. No root access, not that it mattered in this case. Googled a lot, and everybody told me to chmod 700 .ssh chmod 600 .ssh/authorized_keys and it should work, still the computer said NO … There was one…

  • Passwordless login remote with SSH

    generate the public keys user1@server1> ssh-keygen –t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/user1/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/user1/.ssh/id_rsa. Your public key has been saved in /home/user1/.ssh/id_rsa.pub. The key fingerprint is: 31:a1:c2:d7:a6:9f:27:cd:84:1f:f2:7a:e8:7c:34:80 user1@server1> cd /home/user1/.ssh…

  • How To Make RPM Packages

    When working with RedHat Linux systems the best way to ensure that you have the right software installed is by using RPM’s RPM is a package management system like Solaris packages. To create packages from source code some or all of the following steps would be needed. To set it up a build environment and…

  • How to install Squid on FC 4.0

    How to install Squid on FC 4.0 log in on box become root get the squid package yum install squid.i386 Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies –> Populating transaction set with selected packages. Please wait. —> Downloading header for squid to…