screen 命令使用 ref: https://handerfly.github.io/linux/2019/03/31/Screan%E5%91%BD%E4%BB%A4%E7%9A%84%E4%BD%BF%E7%94%A8/ 彻底搞清楚screen 命令使用 Posted by BenderFly on March 31, 2019 screen 是一个非常有用的命令，提供从单个 SSH 会话中使用多个 shell 窗口（会话）的能力。当会话被分离或网络中断时，screen 会话中启动的进程仍将运行，你可以随时重新连接到 screen 会话. screen is a very useful command that provides the ability to use multiple shells from a single SSH session. The ability to window (session). When a session is separated or the network is interrupted, the processes started in the screen session will still be running, and you can always reconnect to the screen Sessions 查看是否安装 screen -v Screen version 4.

. . . 你真的认为大学的牛逼与否是看高考分数排名？是看某个权威杂志发布的专业排名？ . . . 什么是排名？能不能有点自己的判断？ 我的指标： 1. 大学的综合能力看什么： 两院院士人数 国家自然科学基金（各种项目，比如重点项目，杰青项目）的获取资助个数。 待续。 2. 专业能力看什么： 某个专业国际最顶级，最权威期刊、会议，论文数。 某个专业下，是否有杰青（这一条就说明问题了） 博导的博士毕业人数，招录人数，历年统计。（这一条可以发现很多问题😀，人说我考大学，看博导作甚？博导就是专业能力的代表。）

During my time with Zotero, I’ve really enjoyed its various features and the 300MB of file sync space is able to be extended by modifying the path to a synchronized folder under oneDrive or dropBox. reference: Extending Zotero’s syncing folder size by DropBox However, I often get lost when jumping between papers. After jumping from paper A to paper B, I am unable to go back to paper A if I forget its name. I wish I could write an extension to add a history feature for paper viewing.

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Only print the element you 仅打印网页中我想要的部分 Edit web pages prior to printing. Delete, hide and format elements. Edit text. Remove adverts and sidebars. 在打印前编辑网页。删除、隐藏和格式化元素。编辑文本。删除广告和边栏。 Use the Chrome Extension: Print Edit WE

#Deploy seafile on aarch64 (arm64) board with docker (Failed): 在Arm64或aarch64板卡上通过docker安装seafile (未成功) This failure may due that the image does not support the aarch64 architecture. If the host is x86 or amd64 architecture, things suppose to be better. 未成功启动container。问题原因可能在于docker image 不支持aarch64架构，换作 amd64 或 x86应该会好起来。 1. Get ready docker Check your system: $ uname -s Linux $ uname -m aarch64 $ docker --version Docker version 18.09.1, build 4c52b90 Install Docker: ref_this 2. Install seafile with docker: run commands after read the whole content of this blog.

Install seafile server, Armbian arch64 I write this to ask you to give it up. This is a note with failed result. Just use docker if you wanna quick&smooth deployment. Download binary package Visit our download page, download the latest server package: reference: https://seafile.gitbook.io/seafile-server-manual/deploying-seafile-under-linux/deploying-seafile-with-sqlite https://forum.seafile.com/t/compilation-arm64-done/6170 cd mkdir -p Downloads/seafile wget hhttps://cdn.iklive.eu/tcb13/2018/seafile-server_6.3.0_arm64.tar.gz Deploy you may need sudo -i first mkdir haiwen mv seafile-server_*.tar.gz haiwen cd haiwen # after moving seafile-server_* to this directory tar -xzf seafile-server_*.tar.gz mkdir installed mv seafile-server_*.tar.gz installed Setting up seafile server: # As the default python binary on Debian server is python 3(check by `phthon3 -V`), we need to install python (python 2) first.

Deploy NextCloudPi(ncp) docker on aarch64 board 在Arm64或aarch64架构的板卡上使用Docker布署NextCloudPi云盘服务 About “arm64 vs aarch64”, just Google it.   figure source Reference: Get started with NextCloudPi (ncp) installation via docker: https://docs.nextcloudpi.com/en/how-to-get-started-with-ncp-docker/ Docker installation, on aarch64, ref: https://www.cnblogs.com/sonictl/p/12909874.html 1. Install ncp with docker: If you wanna firstly have a taste in LAN network env.: docker run -d -p 4443:4443 -p 443:443 -p 80:80 -v ncdata:/data --name nextcloudpi ownyourbits/nextcloudpi 127.0.0.1 If you have a domain name: docker run -d -p 4443:4443 -p 443:443 -p 80:80 -v ncdata:/data --name nextcloudpi ownyourbits/nextcloudpi $YOUR_Domain 2.

Install Docker-compose, armbian, aarch64 reference: aarch64安装Docker Compose Docker 17.03.2-ce on Arm64 (Aarch64) Debian 1. Check your system $ uname -s Linux $ uname -m aarch64 $ docker --version Docker version 18.09.1, build 4c52b90 reference: https://www.huaweicloud.com/kunpeng/software/dockercompose.html 2. Compile Follow the link above and test after finished. 3. Test bash commands and result for reference: root@bbhost:/usr/local/src/docker-compose-aarch64# docker run docker-compose-aarch64-builder root@bbhost:/usr/local/src/docker-compose-aarch64# find / -name "docker-compose-Linux-aarch64" /var/lib/docker/volumes/7ea3070ed7150ec80bd98ee7a09875cd891b98c2f570a656685dbd231dbb31be/_data/docker-compose-Linux-aarch64 /var/lib/docker/overlay2/83f1b21fb322a2f5b3eda68d2ae785c7fff1eaa14d36b6bcbd3df7ea89775501/diff/build/dockercompose/docker-compose-Linux-aarch64 root@bbhost:/usr/local/src/docker-compose-aarch64# /var/lib/docker/volumes/7ea3070ed7150ec80bd98ee7a09875cd891b98c2f570a656685dbd231dbb31be/_data/docker-compose-Linux-aarch64 --version docker-compose version 1.22.0, build e20d808e you may create a symlink for better convenience:

实时监控linux主机网络活动，上传下载速度 16 Useful Bandwidth Monitoring Tools to Analyze Network Usage in Linux by Aaron Kili | Published: September 20, 2018 | Last Updated: February 13, 2020 ref: https://www.tecmint.com/linux-network-bandwidth-monitoring-tools/ Linux Certifications - RHCSA / RHCE Certification | Ansible Automation Certification | LFCS / LFCE Certification Are you having problems monitoring your Linux network bandwidth usage? Do you need help? It’s important that you are able to visualize what is happening in your network in order to understand and resolve whatever is causing network slowness or simply to keep an eye on your network.