Sysadmin
Hardening desktop Linux
December 8th, 2020At every new installation of Linux (Kubuntu) i will set some performance and stable optimizations. Use ramdisk to mount the /tmp folder If you have a SSD is important to limit the write operations for a better disk life. So let’s use mount the tmp folder in RAM. # nano /etc/fstab – – – – […]
Fix “freezing”/”block” on kubuntu system with NVIDIA GeForce graphic card
March 21st, 2020When you use NVIDIA driver on kubuntu systems maybe you will incurred in some issues like “freezing” or “block” when switching between windows (alt+tab). In order to fix you have to disable compositor from “System Settings” and restart your computer.
How backup files to a specific external disk automatically when it is connected – [Linux]
December 30th, 2019A strong backup policy provides to keep an offline (not connect to any kind of device) copy of own files, protecting your data against ransomware, device failure, etc. We can use an external Hard Disk Drive (HDD) to connected every week to our server/workstation and automatically backup files and send an email at the end […]
How to install OpenSSH on Windows 7 / 10
September 23rd, 2018Use SSH on Windows, how running/launching graphical programs on remote computer in the same user session logon on Windows OS. Requirements:– OpenSSH (you can download the binaries from the official repository on github https://github.com/PowerShell/Win32-OpenSSH/releases)– PsTools (official useful tools from Microsoft https://docs.microsoft.com/en-us/sysinternals/downloads/pstools)– PowerShell Install Pstools (by microsoft) Download the tools Copy the content of the folder […]
PHP Access To An MSSQL Database From Debian with ODBC And FreeTDS
June 15th, 2018If you upgrade OpenProject from 6 to 7 maybe you will have some trouble with SSL certificate. Symptons – can’t login into openproject with LDAP method configured After the upgrade the log reports: “NET::LDAP:Error (hostname “yourhostname” does not match the server certificate)”. After some emails with openporject support we did not find any solutions, so […]
Fix NET::LDAP:Error Login in OpenProject 7.4.6
May 22nd, 2018If you upgrade OpenProject from 6 to 7 maybe you will have some trouble with SSL certificate. Symptons – can’t login into openproject with LDAP method configured After the upgrade the log reports: “NET::LDAP:Error (hostname “yourhostname” does not match the server certificate)”. After some emails with openporject support we did not find any solutions, so […]
How compile and install keePassX 2.0
January 26th, 2016Compile KeePassX 2.0 on K/Ubuntu 14.04 Download source code: https://www.keepassx.org/downloads, choose “the Source code tarball”. Prerequisites: # apt-get install build-essential cmake qt4-qmake libqt4-dev libgcrypt-dev zlib1g-dev Go in the folder where you downloaded the source code and type following commands: $ tar -zxvf keepassx-2.0.tar.gz $ cd keepassx-2.0 $ mkdir build $ cd build $ cmake ../ […]
How to make a bootable floppy with GRUB
November 30th, 2012How make a bootable floppy to available partitions Linux and windows This guide is written to start an old notebook with two partitions: Linux and Windows 98. We will use the distribution DSL (Damn Small Linux) because it is one of the lightest distributions in the world. DSL can run on old notebook with 16MB […]
Remove the updating advertisement of Avira AntiVir 8/9/10 *
May 24th, 2011Guide for Windows 7 Now i will show you the simplest way to block avnotify.exe. This metod avoid the annoyance message “The size of the file AVNOTIFY.EXE has been modified! …ect”. The tool gpedit.msc is present in Ultimate/Professional/Enterprise Windows versions only. If you have other versions, I am sorry, i have no solutions for you. […]