Hi, All I need is to install mbstring for php. Tried to find solutions before posting - please see below. Thanks! [root@machine ~]# yum install php-mbstring Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.solarvps.com * epel: epel.mirror.constant.com * extras: mirrors.greenmountainaccess.net * updates: mirror.solarvps.com Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package php-mbstring.x86_64 0:5.3.3-22.el6 will be installed --> Processing Dependency: php-common(x86-64) = 5.3.3-22.el6 for package: php-mbstring-5.3.3-22.el6.x86_64 --> Finished Dependency Resolution Error: Package: php-mbstring-5.3.3-22.el6.x86_64 (base) Requires: php-common(x86-64) = 5.3.3-22.el6 Installed: php-common-5.4.13-1.el6.remi.x86_64 (@remi) php-common(x86-64) = 5.4.13-1.el6.remi Available: php-common-5.3.3-22.el6.x86_64 (base) php-common(x86-64) = 5.3.3-22.el6 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest [root@machine ~]# yum install php-common Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.solarvps.com * epel: epel.mirror.constant.com * extras: mirrors.greenmountainaccess.net * updates: mirror.solarvps.com Setting up Install Process Package matching php-common-5.3.3-22.el6.x86_64 already installed. Checking for update. Nothing to do [root@machine ~]#