Shakaran

[04-Aug-2010 10:32:08] PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/extensions/no-debug-non-zts-20090626/pdo_sqlite.so'
- /usr/local/lib/php/extensions/no-debug-non-zts-20090626/pdo_sqlite.so: undefined symbol: sqlite3_libversion in Unknown on line 0

sudo sed -i 's/extension=pdo_sqlite.so/;extension=pdo_sqlite.so/g' /usr/local/lib/php.ini

# Apache Checker: a script for check resources on apache servers
# Author: Shakaran (http://www.shakaran.net)
# License: GPLv3
 
# For CentOs servers require bc and mutt:
# yum install bc
# yum install mutt
 
# Uses:
# Add this script to a cron's task with crontab -e
# For example: For run the checking every minute
# */1 * * * * /apache_check.sh &> /dev/null 
 
# Exit immediately if a simple command exits with a non-zero status
set -e
 
# Number of current apache2 processes.
N_CURRENT="$(ps aux | grep apache2 | wc -l)"
N_MIN="1"
DESTINY_EMAIL="your-server-admin-address@domain.com"
USER=`id -un` # For example: root
HOST=`hostname`
USERHOST=$USER@$HOST
 
THRESHOLD=90 # Max threshold for restart apache
TOTAL_MEMORY=$(free | grep "Mem:" | awk '{print $2}')
REMAINING_MEMORY=$(free | grep "Mem:" | awk '{print $4}')
CURRENT_MEMORY=$(echo "($REMAINING_MEMORY/$TOTAL_MEMORY)*100.0" | bc -l)
 
MAX_NPROCESS_APACHE=5
NPROCESS_APACHE=`ps fu $USERNAME  | awk '/processname/ { x++ } END{print x}'`
 
if [ "$N_CURRENT" -lt "$N_MIN" ]; then
    apachectl restart
    echo "$HOST: The Apache process is not working and it has been restarted."
    echo "$HOST: The Apache process is not working and it has been restarted." \
    >> /var/log/apache_restarter.log
    SUBJECT="Script Apache checker: start"
    echo "$HOST: The Apache process is not working and it has been restarted." | mutt -s "$SUBJECT" $DESTINY_EMAIL
fi 
 
ps -fea | grep "/usr/sbin/apache2"
if test ! $? -eq 0 then
    apachectl start
    echo "$HOST: Apache has stopped and it has been reactivated."
    echo "$HOST: Apache has stopped and it has been reactivated." \
    >> /var/log/apache_restarter.log
    SUBJECT="Script Apache checker: restart"
    echo "$HOST: Apache has stopped and it has been reactivated." | mutt $DESTINY_EMAIL
-s "$SUBJECT"
fi
 
if [ $CURRENT_MEMORY -gt $THRESHOLD ]; then
    apachectl restart
    echo "$HOST: Restarted apache on `date +'%Y-%m-%d %H:%M:%S'`. RAM utilization at
${CURRENT_MEMORY}%"
    echo "$HOST: Restarted apache on `date +'%Y-%m-%d %H:%M:%S'`. RAM utilization at
${CURRENT_MEMORY}%" \
    >> /var/log/apache_restarter.log
    echo "Restarted apache on `date +'%Y-%m-%d %H:%M:%S'`. RAM utilization at
${CURRENT_MEMORY}%" \
    >> /var/log/apache_restarter.log
    SUBJECT="Script Apache checker: restart"
    echo "$HOST: Restarted apache on `date +'%Y-%m-%d %H:%M:%S'`. RAM utilization at
${CURRENT_MEMORY}%" | mutt $DESTINY_EMAIL -s "$SUBJECT"
fi
 
if [ `ps fu $USERNAME  | awk '/processname/ { x++ } END{print x}'`>
$MAX_NPROCESS_APACHE] then
    echo "$HOST: max number of apache process = ${MAX_NPROCESS_APACHE} `date
+'%Y-%m-%d %H:%M:%S'`. RAM utilization at ${CURRENT_MEMORY}% "
    echo "$HOST: max number of apache process = ${MAX_NPROCESS_APACHE} `date
+'%Y-%m-%d %H:%M:%S'`. RAM utilization at ${CURRENT_MEMORY}% " \
    >> /var/log/apache_restarter.log
    SUBJECT="Script Apache checker: max number of apache process"
    echo "$HOST: max number of apache process = ${MAX_NPROCESS_APACHE} `date
+'%Y-%m-%d %H:%M:%S'`. RAM utilization at ${CURRENT_MEMORY}% " | mutt $DESTINY_EMAIL
-s "$SUBJECT"
fi

# yum install bc mutt

# crontab -e

*/1 * * * * /apache_check.sh &> /dev/null

# yum install subversion

Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: centosu.centos.org
 * base: centosy3-msync-dvd.centos.org
 * extras: centosu.centos.org
 * updates: centosv.centos.org
addons                                                   |  951 B     00:00     
base                                                     | 2.1 kB     00:00     
extras                                                   | 1.1 kB     00:00     
updates                                                  | 1.9 kB     00:00     
Excluding Packages in global exclude list
Finished
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package subversion.i386 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
--> Processing Dependency: neon >= 0.25.5-6.el5 for package: subversion
--> Processing Dependency: libneon.so.25 for package: subversion
--> Processing Dependency: libapr-1.so.0 for package: subversion
--> Processing Dependency: libaprutil-1.so.0 for package: subversion
---> Package subversion.x86_64 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
--> Running transaction check
---> Package apr.i386 0:1.2.7-11.el5_3.1 set to be updated
---> Package apr-util.i386 0:1.2.7-7.el5_3.2 set to be updated
--> Processing Dependency: libpq.so.4 for package: apr-util
---> Package neon.i386 0:0.25.5-10.el5_4.1 set to be updated
---> Package neon.x86_64 0:0.25.5-10.el5_4.1 set to be updated
---> Package subversion.i386 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
---> Package subversion.x86_64 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
--> Running transaction check
---> Package postgresql-libs.i386 0:8.1.18-2.el5_4.1 set to be updated
---> Package subversion.i386 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
---> Package subversion.x86_64 0:1.4.2-4.el5_3.1 set to be updated
--> Processing Dependency: perl(URI) >= 1.17 for package: subversion
--> Finished Dependency Resolution
subversion-1.4.2-4.el5_3.1.x86_64 from base has depsolving problems
  --> Missing Dependency: perl(URI) >= 1.17 is needed by package subversion-1.4.2-4.el5_3.1.x86_64 (base)
subversion-1.4.2-4.el5_3.1.i386 from base has depsolving problems
  --> Missing Dependency: perl(URI) >= 1.17 is needed by package subversion-1.4.2-4.el5_3.1.i386 (base)
Error: Missing Dependency: perl(URI) >= 1.17 is needed by package subversion-1.4.2-4.el5_3.1.i386 (base)
Error: Missing Dependency: perl(URI) >= 1.17 is needed by package subversion-1.4.2-4.el5_3.1.x86_64 (base)
 You could try using --skip-broken to work around the problem
 You could try running: package-cleanup --problems
                        package-cleanup --dupes
                        rpm -Va --nofiles --nodigest
The program package-cleanup is found in the yum-utils package.

# yum install perl
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: centosu.centos.org
 * base: centosy3-msync-dvd.centos.org
 * extras: centosu.centos.org
 * updates: centosb2.centos.org
Excluding Packages in global exclude list
Finished
Setting up Install Process
Nothing to do

# wget http://yum.trixbox.org/centos/5/RPMS/perl-URI-1.35-3.noarch.rpm

# rpm -i perl-URI-1.35-3.noarch.rpm

# yum install subversion