Screen, Tmux, Window, Session

2015-12-09. Category & Tags: nix, Soft&Skills nix, Soft&Skills

Screen # CMD Description screen -ls list all ( format: pid.session_name ) screen create session screen -S session_name create session with name screen -r session_name re-attach screen -dr session_name de- & re- attach /_ force detach and then attach, use this when previous attachment is dropped due to network failure _/ screen -wipe remove dead kill <pid> kill session killall screen kill all C+a , C+d detach C+a, [ / Esc, C+u / C+d scroll half a page ref C+a, [ / Esc, Page Up /Down scroll a full page (cursor up/down is moving the cursor) NA switch session //can NOT find a good method screen windows (tabs) # C+a , c create new window C+a , A set window name C+a , w window list C+a , " choose window C+a , d detach window C+a , ? ...

Install Shiny Server (& R) on Ubuntu 12 64bit

2014-12-15. Category & Tags: Soft&amp;Skills Soft&amp;Skills

64 bit only # in: /etc/apt/sources.list add: deb precise/ sudo apt-key adv –keyserver –recv-keys E084DAB9 // [i didn’t do this step] sudo add-apt-repository ppa:marutter/rdev sudo apt-get update sudo apt-get upgrade // if not R is not updated, then will get error: package ‘shiny’ is not available (for R version 2.14.1) // then follow ref 2 (official intro): sudo apt-get install r-base sudo su - -c “R -e "install. ...

Linux/Ubuntu Recover/Reset Root Forgetten Password

2014-12-15. Category & Tags: Soft&amp;Skills Soft&amp;Skills

Shift while booting (Esc for v9 earlier version); Highlight the normal booting item (which is highlighted by default); ’e’ to edit; Find the line starts with linux ....; Delete … quiet splash $vt_handoff …, Change ro (read only) to rw, and add init=/bin/bash to the end of the line; Ctrl+x or F10 to boot using this modified temporary item; Root shell will be available, passwd to modify and then reboot. ...

每周总结 Week32 2013 0805-0811 [Mosh]

2013-08-19. Category & Tags: Life, Soft&amp;Skills Life, Soft&amp;Skills

装了cygwin和mosh. 稍早的mosh版本需要perl的一个包, 结果就是装不上, 还以为cygwin有问题, 最后发现新版的mosh已经用c替换了, 那个Perl的包有问题. Perl在走下坡么? 要完蛋了? 话说我blog貌似有不明输出??? 有空再查吧, 幸好我只是当作记事本用 ….


2013-08-13. Category & Tags: Soft&amp;Skills Soft&amp;Skills

Adding a Product # Catalog > Manage Products > Add New Then you will be in page “New Product (Default)”, SKU is a string to trace a series of products, like “”. Status should be “enabled”. URL key is mandatory, dash separated English words, like “nike-women-top”. Visibility, it is suggested to use the default “Catalog & Search” value. Click left column to choose "Price" The “Tax Class” is mandatory. ...

Google App

2013-08-02. Category & Tags: Soft&amp;Skills Soft&amp;Skills

Config App for email (no extra gateway) # 1. Authorize Google as a sender. (SPF) 2. Confirm mail sender via public key. (DKIM)

Web Stressing [压力测试] 工具

2013-07-29. Category & Tags: Soft&amp;Skills Soft&amp;Skills

先mark一下, 待用. 搜了一下 , 常见的压力测试工具: apache自带的ab; jmeter pylot grinder siege web bench http_load REF:

PHP In Case Of

2013-07-24. Category & Tags: nix, Soft&amp;Skills nix, Soft&amp;Skills

Fatal error: Call to undefined function mb_strlen() # apt-get / yum search mbstring ; apt-get / yum install php-mbstring ... Fatal error: Call to undefined function imagecreate() # and it takes a lot of time to upload a image. apt-get install php5-gd Warning: It is not safe to rely on the system’s timezone settings # Solution: modify php.ini: date.timezone = Asia/Shanghai Set Include Path in PHP File # set_include_path(get_include_path() . ...