查看“用户:Jinzd”的源代码




=Contributes=

[[Sudo]], upading based on others.

=bash=

[https://www.gnu.org/software/bash/manual/bash.html#Readline-Bare-Essentials Bash Reference Manual]

[[Bash Reference Manual]]

[[Bash Reference Manual/zh]]

[[Ubuntu/Web Servers]]

=Ubuntu=

==sudo==

以其他用户身份执行一个命令.

用法：

: sudo -h | -K | -V
: sudo -v [-Akns] [-g group] [-h host] [-p prompt] [-u user]
: sudo -l [-Akns] [-g group] [-h host] [-p prompt] [-U user] [-u user] [command]
: sudo [-AbEHknPS] [-r role] [-t type] [-C num] [-g group] [-h host] [p prompt] [-u user] [VAR=value] [-i|-s] [<command>]
: sudo -e [-Akns] [-r role] [-t type] [-C num] [-g group] [-h host] [-p prompt] [-u user] file ...

Options:

{| style="border: none" width="100%"
|-
| width="200px" | -A, --askpass
|  使用一个辅助程序以提示密码。
|-
| -b, --background 
| 在后台运行命令。
|-
| -C, --close-from=num
| 关闭所有大于等于num的文件描述。
|-
| -E, --preserve-env
| 运行命令时保存用户环境。
|-
| -e, --edit
| 编辑文件而非运行一个命令。
|-
| -g, --group=group
| 以指定的组名或组ID运行一个命令。
|-
| -H, --set-home
| 设置 HOME 变量以指向用户的 HOME 目录。
|-
| -h, --help
| 显示帮助信息并且退出。
|-
| -h, --host=host
| 在主机上运行命令（如果插件支持）。
|-
| -i, --login
| 以目标用户运行登录shell；也可以指定一个命令。
|-
| -K, --remove-timestamp
| 完全删除时间戳文件。
|-
| -k, --reset-timestamp
| 失效时间戳文件。
|-
| -l, --list
| 列出用户特权或检查一个特定的命令；长格式使用两次。
|-
| -n, -- non-interactive
| 非交互方式，无提示被使用。
|-
| -P, --preserve-groups
| 保存组向量而非设置指定的目标。
|-
| -P, --prompt=prompt
| 使用指定的密码提示。
|-
| -r, --role=role
| 用指定的角色创建SELinux安全上下文。
|-
| -S, --stdin
| 从变准输入读取密码。
|-
| -s, --shell
| 以目标用户运行 shell；也可以指定一个命令。
|-
| -t, --type=type
| 使用指定的类型创建 SELinux 安全上下文。
|-
| -U, --other-user=user
| 在列表模式中，显示用户特权。
|-
| -u, --user=user
| 以指定的用户或用户ID运行命令（或编辑文件）。
|-
| -V, --version
| 显示版本信息并且退出。
|-
| -v, --validate
| 更新用户的时间戳而不运行一个命令。
|-
| --
| 停止处理命令行参数。
|}

==ifconfig==

用法：

: ifconfig [-a] [-v] [-s] <interface> [[<AF>] <address>]
: [add <address>[/<prefixlen>]]
: [del <address>[/<prefixlen>]]
: [[-]broadcast [<address>]]  [[-]pointopoint [<address>]]
: [netmask <address>]  [dstaddr <address>]  [tunnel <address>]
: [outfill <NN>] [keepalive <NN>]
: [hw <HW> <address>]  [metric <NN>]  [mtu <NN>]
: [[-]trailers]  [[-]arp]  [[-]allmulti]
: [multicast]  [[-]promisc]
: [mem_start <NN>]  [io_addr <NN>]  [irq <NN>]  [media <type>]
: [txqueuelen <NN>]
: [[-]dynamic]
: [up|down] ...

: <HW>=硬件类型。
: 列表可能的硬件类型：
::  loop (Local Loopback) slip (Serial Line IP) cslip (VJ Serial Line IP) 
::  slip6 (6-bit Serial Line IP) cslip6 (VJ 6-bit Serial Line IP) adaptive (Adaptive Serial Line IP) 
::  ash (Ash) ether (Ethernet) ax25 (AMPR AX.25) 
::  netrom (AMPR NET/ROM) rose (AMPR ROSE) tunnel (IPIP Tunnel) 
::  ppp (Point-to-Point Protocol) hdlc ((Cisco)-HDLC) lapb (LAPB) 
::  arcnet (ARCnet) dlci (Frame Relay DLCI) frad (Frame Relay Access Device) 
::  sit (IPv6-in-IPv4) fddi (Fiber Distributed Data Interface) hippi (HIPPI) 
::  irda (IrLAP) ec (Econet) x25 (generic X.25) 
::  eui64 (Generic EUI-64) 
: <AF>=Address family. Default: inet
: List of possible address families:
::  unix (UNIX Domain) inet (DARPA Internet) inet6 (IPv6) 
::  ax25 (AMPR AX.25) netrom (AMPR NET/ROM) rose (AMPR ROSE) 
::  ipx (Novell IPX) ddp (Appletalk DDP) ec (Econet) 
::  ash (Ash) x25 (CCITT X.25)

==ip==

==iwconfig==

==rfkill==

==ping==

==traceroute==

==arp==

==netstat==

==nslookup==

=Java=

=C++=

==g++==

用法：g++ [选项] file...

选项：

{| style="border: none" width="100%"
|-
| width="200px" | -pass-exit-codes
|  Exit with highest error code from a phase
|-
| --help
| Display this information
|-
| --target-help
| Display target specific command line options
|-
| 
| 
|-
| 
| 
|}



           
                     
                --help={common|optimizers|params|target|warnings|[^]{joined|separate|undocumented}}[,...]
                           Display specific types of command line options
  (Use '-v --help' to display command line options of sub-processes)
  --version                Display compiler version information
  -dumpspecs               Display all of the built in spec strings
  -dumpversion             Display the version of the compiler
  -dumpmachine             Display the compiler's target processor
  -print-search-dirs       Display the directories in the compiler's search path
  -print-libgcc-file-name  Display the name of the compiler's companion library
  -print-file-name=<lib>   Display the full path to library <lib>
  -print-prog-name=<prog>  Display the full path to compiler component <prog>
  -print-multiarch         Display the target's normalized GNU triplet, used as
                           a component in the library path
  -print-multi-directory   Display the root directory for versions of libgcc
  -print-multi-lib         Display the mapping between command line options and
                           multiple library search directories
  -print-multi-os-directory Display the relative path to OS libraries
  -print-sysroot           Display the target libraries directory
  -print-sysroot-headers-suffix Display the sysroot suffix used to find headers
  -Wa,<options>            Pass comma-separated <options> on to the assembler
  -Wp,<options>            Pass comma-separated <options> on to the preprocessor
  -Wl,<options>            Pass comma-separated <options> on to the linker
  -Xassembler <arg>        Pass <arg> on to the assembler
  -Xpreprocessor <arg>     Pass <arg> on to the preprocessor
  -Xlinker <arg>           Pass <arg> on to the linker
  -save-temps              Do not delete intermediate files
  -save-temps=<arg>        Do not delete intermediate files
  -no-canonical-prefixes   Do not canonicalize paths when building relative
                           prefixes to other gcc components
  -pipe                    Use pipes rather than intermediate files
  -time                    Time the execution of each subprocess
  -specs=<file>            Override built-in specs with the contents of <file>
  -std=<standard>          Assume that the input sources are for <standard>
  --sysroot=<directory>    Use <directory> as the root directory for headers
                           and libraries
  -B <directory>           Add <directory> to the compiler's search paths
  -v                       Display the programs invoked by the compiler
  -###                     Like -v but options quoted and commands not executed
  -E                       Preprocess only; do not compile, assemble or link
  -S                       Compile only; do not assemble or link
  -c                       Compile and assemble, but do not link
  -o <file>                Place the output into <file>
  -pie                     Create a position independent executable
  -shared                  Create a shared library
  -x <language>            Specify the language of the following input files
                           Permissible languages include: c c++ assembler none
                           'none' means revert to the default behavior of
                           guessing the language based on the file's extension

Options starting with -g, -f, -m, -O, -W, or --param are automatically
 passed on to the various sub-processes invoked by g++.  In order to pass
 other options on to these processes the -W<letter> options must be used.

For bug reporting instructions, please see:
<file:///usr/share/doc/gcc-5/README.Bugs>.

=PostgreSQL=

=Eclipse=

During eclipse installing, if error occured type following command to fix the error.

sudo apt-get install eclipse --fix-missing