这是因为环境变量 PATH 的帮助所致。当我们在执行一个指令的时候,举例来说“ls”好了,系统会依照PATH的设置去每个PATH定义的目录下搜寻文件名为 ls 的可执行文件, 如果在PATH定义的目录中含有多个文件名为 ls 的可执行文件,那么先搜寻到的同名指令先被执行。
修改环境变量的方法大致分为两种,一种是使用 export 命令,一种是修改配置文件。...export #或 echo $PATH 2.修改配置文件 2.1 修改环境变量修改环境变量也可以通过修改如下 5 个文件来达到永久生效。...文件名为点号开始的文件为 Linux 隐藏文件,使用命令ls -a可查看。 2.配置文件说明下面对涉及的配置文件做一...
show args 命令可以查看设置好的运行参数。 运行环境 path 可设定程序的运行路径(如:path ./demo/app)。 show paths 查看程序的运行路径。 set environment varname [=value] 设置环境变量。如:set env USER=hchen show environment [varname] 查看环境变量。 工作目录 cd 相当于shell的cd命令(如:cd ./de...
每次创建临时表时都会增加 created_tmp_disk_tables 如果是在磁盘上创建临时表,它会增加 created_tmp_files 表示MySQL服务创建的临时文件数比较理想的配置是:...created_tmp_disk_tables / created_tmp_tables *100% <= 25% 再看一下临时表的配置: show variables like '%tmp_table_size...%'; tmp_table_...
The output will be the absolute path of the “ls” command, such as “/bin/ls”. 3. Displaying all locations: If there are multiple locations where the command exists, the “which” command can display all of them. By using the “-a” option, you can force the command to show all...
To give a TACACS+ user access to the show commands, add thetacacsgroup to thegroups_with_showvariable. Do not add thetacacsgroup to thegroups_with_editvariable; this is dangerous and can potentially enable any user to log into the switch as the root user. ...
showintro=false Thekismet.conffile is where the important Kismet options are set. In order for Kismet to function properly, this file must be edited to reflect your environment and hardware. First, you need to edit thesuiduservariable:
The output will show the first page of the list and then allow you to go further by pressingSpaceto see the next page orEnterto display the next line: Exit the view by pressingQ. Search a Single Environment Variable
modinfo - Show information about a Linux Kernel module 命令格式如下: modinfo [-F field] [-k kernel] [modulename | filename...] -F field # 仅显示指定字段的信息 -n # 显示文件路径 内核模块的信息如下,各个选项含义如下: [root@LeeMumu ~]# modinfo ext4 filename: /lib/modules/3.10.0-...
Edit the Path variable and add the location of docker.exe. Open an elevated PowerShell session. Check that the Docker CLI is accessible by using this command: PowerShell 複製 docker --version If you successfully configured everything, the output of the command should show the Docker version...