Random tech tips: |
Date | Lenovo T520 | Xubuntu 14.04 LTS |
20160823 | Xubuntu 14.04.5 LTS kernel 4.4.0-34 | Newest working nvidia driver version is 352 (I tried 358, 361, 364, 367 and 370)
Problems appeared after Xubuntu nagged me into upgrading the kernel etc,
since the old Hardware Enablement stack expired 20160804
Press alt+ctrl F3
Login as root
apt-add-repository ppa:graphics-drivers/ppa
service lightdm stop
apt-get purge nvidia-*
apt-get install nvidia-352
reboot
Just uninstalling everything nvidia with apt-get purge nvidia-*
also worked, reverting to the nouveau drivers |
Date | HP Microserver gen8 | Ubuntu 16.04.2 LTS |
20170412 | Ubuntu 16.04.2 LTS | No wired network after fresh install: Replace eno1 with em1 in /etc/network/interfaces |
Date | Ubuntu 18.04 | Ubuntu 18.04.2 LTS forwards |
20190719 | Ubuntu 18.04.2 LTS | Disabling reboot magic:
cd /etc/apt ; sudo mkdir -p apt.conf.d.hidden sudo mv apt.conf.d/20auto-upgrades apt.conf.d.hidden/. sudo mv apt.conf.d/50unattended-upgrades apt.conf.d.hidden/. sudo mv apt.conf.d/20snapd.conf apt.conf.d.hidden/. # and remove that pesky snap system |
20190719 | Ubuntu 18.04.2 LTS | Manual upgrade:
sudo apt update && sudo apt -y upgrade && sudo apt -y autoremove ; more /var/run/reboot-required |
Date | Lenovo Yoga 730 13.3 | Dualboot Ubuntu 18.04.2 LTS forwards + Windows 10 |
20190806 | Windows update/ Lenovo BIOS update | When machine will not boot during or after Windows or BIOS update, and BSOD complains about INACCESSIBLE_BOOT_DEVICE , just change SATA from RST to ACHI in BIOS (boot with F2) |
20190806 | Ubuntu 18.04.2 | When AC wifi drops connection after a few minutes, do this (might be needed again after kernel update)sudo apt-get install git build-essential dkms linux-headers-$(uname -r) git clone https://github.com/tomaspinho/rtl8821ce; cd rtl8821ce chmod +x dkms-install.sh dkms-remove.sh sudo ./dkms-install.sh |
20190806 | Windows 10 | When AC wifi drops connection after a few minutes, google which driver to install, or just use non AC wifi... |
Date | HPE DL380 Gen10 + Lenovo SR-630 | Interchangeable original CPUs |
20200201 | Ubuntu 18.04.4 | Two original HPE Intel Gold 5118 CPUs for a DL360 (1U) could be used in a Lenovo SR-630 (1U). |
20200201 | Ubuntu 18.04.4 | Two original Lenovo Silver 4210 CPUs for Lenovo SR-650 (2U) could be used in an HPE DL380 Gen10 (2U), but the air guide above the CPUs had to be removed to be able to close the cabinet lid, and the system BIOS had to be updated to make the Gen10 support this newer CPUs. |
Date | HPE DL380 Gen10 | IL05 firmware update via ilorest to calm down the fans |
20200301 | Ubuntu 18.04.4 | ILO5 fw can be updated from version 1.35 to 2.14 via ilorest, but only by updating from 1.35 to 1.46, then from 1.46 to 2.14. This solved the problem with fans running too loud. |