JXLIU Blog

「离开世界之前一切都是过程」

Slurm on Gentoo: cannot find /sys/fs/cgroup/systemd

Slurm

Slurm on Gentoo Due to some reason, slurm doesn’t work normally on Gentoo OS. 1 error: can not state /sys/fs/cgroup/systemd, no such file This is because the cgroup initialization script did not...

Posted by JXLIU on June 19, 2023

Courses

Graduate

Courses PhD 磁约束聚变前沿 – 人工智能中聚变领域中的应用调研报告 PPT Graduate Undergraduate Computational physics

Posted by JXLIU on May 10, 2023

No password authercation after replacing motherboard

windows

更换主板后，有如下问题：没有密码登录的选项；PIN 码和面部识别无法登录。 <img src="http://47.105.42.5:8939/jxliu/images/-/raw/master/pictures/2023/04/19_19_5_14_problem_win.jpg" width=80%> 解决方法：修改注册表以显示密码登录的选项。 1 计算机\HKE...

Posted by JXLIU on April 19, 2023

Shared folder on Linux

Word

创建文件夹，用作共享 1 sudo mkdir /share 方便管理文件/文件夹所有权，创建名为 shared 的新用户组，将需要访问共享文件夹的用户添加到该组中 1 2 sudo groupadd shared sudo usermod -aG shared username 更改共享文件夹所属组为 shared,并设置 2770 权限,该权限保证了新创建的文件和目录也属于 sh...

Posted by JXLIU on April 11, 2023

Picgo+gitlab+typora

typora

Picgo+gitlab+typora On gentoo OS Install necessary software 1 2 3 sudo emerge --ask net-libs/nodejs sudo npm install -g picgo picgo -v 1 2 3 picgo install gitlab-files picgo use picgo config u...

Posted by JXLIU on April 1, 2023

Word 公式标号右对齐

Word

怎样使 Word 公式标号自动右对齐在数学公式最后面输入 #(x)，光标放着公式环境最后面，回车，标号 (x) 即自动右对齐。

Posted by JXLIU on February 4, 2023

Slurm node unexpectedly rebooted

Slurm

After the Slurm computing node is manually restarted, the management node will set the status of the computing node to DOWN You can use the following command on the Slurm management node to restor...

Posted by JXLIU on January 6, 2023

Roche potential

Binary Stars

Roche potential \[\Phi_R(\vec{r})=-\frac{G M_1 M_{\odot}}{\left|\vec{r}-\vec{r}_1\right|}-\frac{G M_2 M_{\odot}}{\left|\vec{r}-\vec{r}_2\right|}-\frac{1}{2}(\vec{\omega} \times \vec{r})^2\] \[\ve...

Posted by JXLIU on December 13, 2022

Plot stream line using Paraview

txt file

Plot stream line using Paraview Load txt file 不勾选 “Have headers” Field Delimiter Characters 填入 " " Apply 添加 Filter:TableToPoints2 选择相应的 X,Y,Z 轴这里选择二维数据，勾选上 2D Points Apply 添加 F...

Posted by JXLIU on December 13, 2022

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