gitk

redhat 安装 git  图形化工具 gitk
```
yum install gitk
##安装过程yum 会自动检测依赖的软件是否安装及版本是否匹配，并进行依赖安装或升级
```
Dependencies Resolved

| Package                     | Arch                    |   Version                     |         Repository       |            Size
|-----------------------------|-------------------------|-------------------------------|--------------------------|-----------------
|Installing:                  |                         |                               |                          |
| gitk                        | noarch                  |   1.8.3.1-14.el7_5            |         updates          |           150 k
|Installing for dependencies: |                         |                               |                          |
| tk                          | x86_64                  |   1:8.5.13-6.el7              |         base             |           1.4 M
|Updating for dependencies:   |                         |                               |                          |
| git                         | x86_64                  |   1.8.3.1-14.el7_5            |         updates          |           4.4 M
| perl-Git                    | noarch                  |   1.8.3.1-14.el7_5            |         updates          |            54 k
| tcl                         | x86_64                  |   1:8.5.13-8.el7              |         base             |           1.9 M

由上可见，gitk 需要tk/git/perl-git/tcl的支持。

```
#调用
gitk
```

如果报错找不到display变量(实际有设置），需要重开一下终端或重新login(使用xshell打开终端)，再执行gitk便可以调用linux 上的图形界面窗口
```
Application initialization failed: no display name and no $DISPLAY environment variable
Error in startup script: no display name and no $DISPLAY environment variable
    while executing
"load /usr/lib64/tk8.5/../libtk8.5.so Tk"
    ("package ifneeded Tk 8.5.13" script)
    invoked from within
"package require Tk"
    (file "/usr/bin/gitk" line 10)
```

如果找到没有配置变量，则配置完DISPLAY 变量之下重新连接便可打开

```gitk```

![图片标题](https://leanote.com/api/file/getImage?fileId=60938b15ab6441404b0027d9)

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