linux上安装testlink时遇到报错 checking if directory exists

请问这个怎么解决。Ubuntu16.0.4+testlink1.9

Linux下安装 TestLink常见问题解决方法

Read/write permissions
For security reason we suggest that directories tagged with [S] on following messages, will be made UNREACHEABLE from browser
Checking if C:\xampp\htdocs\testlink-1.9.5\gui\templates_c directory exists
OK
Checking if C:\xampp\htdocs\testlink-1.9.5\gui\templates_c directory is writable (by user used to run webserver process)
OK
Checking if /var/testlink/logs/ directory exists [S]
Failed!
Checking if /var/testlink/upload_area/ directory exists [S]
Failed!

Unfortunately, TestLink scripted setup cannot continue at the moment, due to the above 2 errors.
Please correct the errors, and try again (reload page). If you need help figuring out how to fix the problems, please read Installation manual and visit TestLink Forums [click here].
解决方法
找到你安装路径下的配置文件Config.inc.php,把他修改成下面两句

$tlCfg->log_path = TL_ABS_PATH . 'logs' . DIRECTORY_SEPARATOR ;
$g_repositoryPath = TL_ABS_PATH . "upload_area" . DIRECTORY_SEPARATOR;

解决方法
找到你安装路径下的配置文件Config.inc.php,把他修改成下面两句

$tlCfg->log_path = TL_ABS_PATH . ‘logs‘ . DIRECTORY_SEPARATOR ;
$g_repositoryPath = TL_ABS_PATH . "upload_area" . DIRECTORY_SEPARATOR;

找到你安装路径下的配置文件Config.inc.php,把他修改成下面两句

$tlCfg->log_path = TL_ABS_PATH . ‘logs‘ . DIRECTORY_SEPARATOR ;
$g_repositoryPath = TL_ABS_PATH . "upload_area" . DIRECTORY_SEPARATOR;

求解决！！