https://wiki.davidedoro.it/ 2026-07-10T04:01:01+00:00 https://wiki.davidedoro.it/ https://wiki.davidedoro.it/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2024-11-10T08:00:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:bash&rev=1731225641&do=diff bash size and count documento older then find -type f -mtime +165 -exec ls -al {} \; | awk 'BEGIN {count = 0} {count++; sum += $5} END {sum = sum/1024000000; print "GB " sum " numero documenti " count}' add public key with only one command (pay attention of authorized_keys permission. only owner must have write access, so before issue: chmod 644): text/html 2024-11-10T08:00:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:default_editor&rev=1731225648&do=diff How to set the dedfault editor on linux. in my case i want to set vim as default editor * sudo update-alternatives --config editor davide@vanesio:~$ sudo update-alternatives --config editor There are 4 choices for the alternative editor (providing /usr/bin/editor). Selection Path Priority Status ------------------------------------------------------------ * 0 /bin/nano 40 auto mode 1 /bin/ed -100 manual mode … text/html 2024-11-10T08:00:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:getvalue&rev=1731225643&do=diff Find Motherboard on Linux Systems sudo dmidecode -t 2 and you get an output like davide@u-studio:~$ sudo dmidecode -t 2 # dmidecode 3.2 Getting SMBIOS data from sysfs. SMBIOS 2.6 present. Handle 0x0002, DMI type 2, 15 bytes Base Board Information Manufacturer: ASUSTeK Computer INC. Product Name: P6P7H55E Version: Rev X.0x Serial Number: MT7012K29700166 Asset Tag: To Be Filled By O.E.M. Features: Board is a hosting board … text/html 2024-11-10T08:00:50+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:sudoers&rev=1731225650&do=diff How to execute sudo without password: insert this line (changing davide with the desired username) davide ALL=(ALL:ALL) NOPASSWD:ALL it is recommended to use the visudo command to edit the sudoers file to avoid mistake sudo visudo text/html 2024-11-10T08:00:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:system_management&rev=1731225639&do=diff how to disable ipv6 verify ipv6 with: ip address before and after the issue of the following command sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1 text/html 2024-11-10T08:00:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.davidedoro.it/doku.php?id=linux:ubuntu&rev=1731225646&do=diff network using netplan verificare il file /etc/netplan/99-netcfg-vmware.yaml o uno simile come segue: network: version: 2 renderer: networkd ethernets: ens160: dhcp4: no dhcp6: no addresses: - 10.10.12.67/24 gateway4: 10.10.12.1 nameservers: search: - gruppovega.internal addresses: - 192.168.8.2 - 192.168.9.2