JXLIU Blog

「离开世界之前一切都是过程」

Upgrade nextcloud and install onlyoffice

docker

备份数据至少备份　/var/www/html/data 和　/var/www/html/config 文件夹，其余文件可不备份升级　nextcloud 修改　docker-compose.yml 中　nextcloud 版本，然后 docker-compose up，等待升级完成即可。注意不能跨版本升级，不能　downgrade。如果不小心跨版本升级，需要从官网下载升...

Posted by JXLIU on November 26, 2022

Install AUR software

manjaro/arch

Install AUR software Using yay Using git and pacman reference:archlinux wiki 1 2 3 4 5 cd ~/build git clone https://aur.archlinux.org/package_name.git cd package_name makepkg pacman -U package_n...

Posted by JXLIU on November 20, 2022

docker large log file

docker

remove useless file log file 1 2 ls /var/lib/docker/containers/*/*-json.log -lh|awk '{print $9}' echo > *.log unused volumn files 1 docker volume rm $(docker volume ls -qf dangling=true) u...

Posted by JXLIU on November 20, 2022

Chinese input method in Gentoo OS

ibus

Compile ibus and dependencies 1 root #emerge --ask app-i18n/ibus ibus-libpinyin Add use flag to /etc/portage/package.use/ibus 1 2 dev-qt/qtgui ibus kde-plasma/plasma-desktop ibus 1 root #emerg...

Posted by JXLIU on November 5, 2022

rsync server

mirrors

rsyncd configuration /etc/rsyncd.conf 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 # /etc/rsyncd.conf # Minimal configuration file for rsync daemon # See rsync(1) and rsyncd.conf(5) ...

Posted by JXLIU on November 4, 2022

ssh tunnel

rsync

transter data between two servers which are not directly connected. 1 ssh -f -L 1233:<target IP>:[ssh port] username@<transit server IP> sleep 10; rsync -auvzP -e 'ssh -p 1233' jxliu@1...

Posted by JXLIU on November 4, 2022

Rubygems: Temporary failure in name resolution

Gentoo

Problem A “Temporary failure in name resolution” error appeared when I upgrade Gentoo linux system. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>> Downloading 'https://rubygems.org/gems/psyc...

Posted by JXLIU on September 8, 2022

network problem due to mtu value

ssh problem

In the following, I divide the problem finding and problem solving into several stages. # stage 1. hanging on when accessing nfs nfs can be exported in the nfs server and can be mounted in the n...

Posted by JXLIU on August 28, 2022

Fortran function in a module

conflicts with symbol from module

Fortran function in a module function out of a module the function need to be declared when it is used in a subroutine or main program. program test implicit none real:: f ...

Posted by JXLIU on August 21, 2022

Removed MPI constructs

OpenMPI

Removed MPI Constructs Starting with v4.0.0, Open MPI — by default — removes the prototypes from mpi.h for MPI symbols that were deprecated in 1996 in the MPI-2.0 standard, and finally removed fro...

Posted by JXLIU on August 12, 2022