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我刚刚尝试在 Ubuntu 12.04 上升级我的 PHP 版本，但现在却搞砸了。首先我这样做：
sudo add-apt-repository ppa:ondrej/php5-oldstable
然后我这样做了：
sudo apt-get update
最后我这样做了：
sudo apt-get install php5
现在我收到一条错误消息Sub-process /usr/bin/dpkg returned an error code (1)
我做错了什么？我该如何解决这个问题？谢谢。
以下是收到的错误：
Do you want to continue [Y/n]? Y
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
Setting up libapache2-mod-php5 (5.4.28-1+deb.sury.org~precise+1) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing libapache2-mod-php5 (--configure):
subprocess installed post-installation script returned error exit status 1
No apport report written because MaxReports is reached already
Setting up php5-cli (5.4.28-1+deb.sury.org~precise+1) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing php5-cli (--configure):
subprocess installed post-installation script returned error exit status 1
No apport report written because MaxReports is reached already
dpkg: dependency problems prevent configuration of php5-curl:
php5-curl depends on phpapi-20100525+lfs; however:
Package phpapi-20100525+lfs is not installed.
Package libapache2-mod-php5 which provides phpapi-20100525+lfs is not configured yet.
Package php5-cli which provides phpapi-20100525+lfs is not configured yet.
dpkg: error processing php5-curl (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
dpkg: dependency problems prevent configuration of php5-gd:
php5-gd depends on phpapi-20100525+lfs; however:
Package phpapi-20100525+lfs is not installed.
Package libapache2-mod-php5 which provides phpapi-20100525+lfs is not configured yet.
Package php5-cli which provides phpapi-20100525+lfs is not configured yet.
dpkg: error processing php5-gd (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
dpkg: dependency problems prevent configuration of php5-mcrypt:
php5-mcrypt depends on phpapi-20100525+lfs; however:
Package phpapi-20100525+lfs is not installed.
Package libapache2-mod-php5 which provides phpapi-20100525+lfs is not configured yet.
Package php5-cli which provides phpapi-20100525+lfs is not configured yet.
dpkg: error processing php5-mcrypt (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
dpkg: dependency problems prevent configuration of php5-mysql:
php5-mysql depends on phpapi-20100525+lfs; however:
Package phpapi-20100525+lfs is not installed.
Package libapache2-mod-php5 which provides phpapi-20100525+lfs is not configured yet.
Package php5-cli which provides phpapi-20100525+lfs is not configured yet.
dpkg: error processing php5-mysql (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
dpkg: dependency problems prevent configuration of php5:
php5 depends on libapache2-mod-php5 (>= 5.4.28-1+deb.sury.org~precise+1) | libapache2-mod-php5filter (>= 5.4.28-1+deb.sury.org~precise+1) | php5-cgi (>= 5.4.28-1+deb.sury.org~precise+1) | php5-fpm (>= 5.4.28-1+deb.sury.org~precise+1); however:
Package libapache2-mod-php5 is not configured yet.
Package libapache2-mod-php5filter is not installed.
Package php5-cgi is not installed.
Package php5-fpm is not installed.
dpkg: error processing php5 (--configure):
dependency problems - leaving unconfigured
No apport report written because MaxReports is reached already
Errors were encountered while processing:
libapache2-mod-php5
php5-cli
php5-curl
php5-gd
php5-mcrypt
php5-mysql
php5
E: Sub-process /usr/bin/dpkg returned an error code (1)
答案1
我通过阅读错误消息并看到以下内容设法解决了该问题：
DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
为了从这个文件中删除锁，我做了以下事情：
sudo fuser -v /var/cache/debconf/config.dat
然后，在执行此操作后，我了解了哪个进程正在使用该 config.dat 文件。然后我执行以下操作来终止特定进程（我的进程是 30773）：
sudo kill 30773
完成此操作后，我就能够使用以下命令正确安装 PHP：
sudo apt-get install php5
然后一切就正常了。谢谢你给我指明了正确的方向。