@Charlesduffy,in the case where trap calls EDOCX1 original 0 command.Do you consider using EDOCX1 original 1 to retrieve and report the problematic command?Additionally,EDOCX1 original 2 when retrieved first thing within EDOCX1 original 0 observers to be reporting the return code associated with ...
curl(Client URL, Command Line URL Viewer) : 常用的命令行工具,用来请求 Web 服务器(发出网络请求,然后得到和提取数据) 它的名字就是客户端(client)的 URL 工具的意思。 它的功能非常强大,命令行参数多达几十种。 如果熟练的话,完全可以取代 Postman 这一类的图形界面工具。
insert-last-argument (M-., M-_) 與yank-last-arg 同義。 operate-and-get-next (C-o) 接受當前行,加以執行,從歷史中取出相對當前行的下一行進行編輯。 任何參數都被忽略。 edit-and-execute-command (C-xC-e) 啓動一個編輯器,編輯當前命令行,將結果作爲 shell 命令運行。 Bash 將依次試着運行 $FC...
and check to make sure that only the key(s) you wanted were added. # 修改SSH端口 [root@proxy-nfs ~]# ssh web01 Last login: Tue Mar 21 15:08:30 2017 from proxy-nfs [root@web01 ~]# sed -i s'/^#Port 22/Port 8888/g' /etc/ssh/sshd_config [root@web01 ~]# grep 8888 /etc...
root@Nexus#docker-composebash: /usr/bin/docker-compose: Permission denied root@Nexus#chmod +x /usr/bin/docker-composeroot@Nexus#docker-composeDefineandrun multi-container applicationswithDocker. Usage: docker-compose [-f...] [options] [COMMAND] [ARGS...] docker-compose -h|--helpOptions:...
Bash's exit status is the exit status of the last command executed in the script. If no commands are executed, the exit status is 0. An attempt is first made to open the file in the current directory, and, if no file is found, then the shell searches the directories in PATH for ...
When we work on the Linux command line, we often need to recall or reference the previously executed command or some parts of that command in the current one. For example, most of us know that we can press Ctrl-p (or the Up-Arrow key) to recall the last command so that we can mod...
For every Linux command you run on a shell, it must return an exit status. Usually, the exit status is represented with an integer number, where 0 means that the script/command worked successfully without errors. Any other number besides zero (0) means there was an error in the script or...
This is an alternative to sed, awk, perl and other tools. The function below works by finding all leading and trailing white-space and removing it from the start and end of the string. The : built-in is used in place of a temporary variable....
type -p executable_name &>/dev/null hash executable_name &>/dev/null command -v executable_name &>/dev/null # 用作检测. if type -p executable_name &>/dev/null; then # Program is in PATH. fi # 反向检测. if ! type -p executable_name &>/dev/null; then # Program is not in ...