web development and system administration of Linux
To view possible options of apachectl – web server Apache server control interface run command: To view full version information run: To view list of compiled-in modules execute: To check web server Apache syntax run: To restart web server Apache gracefully run command:
To list files and folders inside Java jar archive use unzip. Look at example below: Archive: /home/taras/Downloads/clientControl.jar Length Date Time Name ——— ———- —– —- 0 02-16-2014 12:10 META-INF/ 106 02-16-2014 12:10 META-INF/MANIFEST.MF 0 02-16-2014 12:10 database/ 0 02-16-2014 12:10 i18n/ 0 02-16-2014 12:10 lib/ 0 02-16-2014 12:10 web/ 0 02-16-2014 12:10 web/WEB-INF/ 0 02-16-2014 … Continue reading List files and folders inside Java jar archive
Еverything happens for the first time ever. Today, first time I have seen such MySQL service error during start: Unable to start MySQL service. Another MySQL daemon is already running with the same UNIX socket. First item to check: main MySQL service log /var/log/mysqld.log and main configuration file /etc/my.cnf Then I have found nice KB … Continue reading Unable to start MySQL service. Another MySQL daemon is already running with the same UNIX socket
To change URL options in MySQL database when move WordPress CMS website from one domain to another SQL query can be used: Note, this is true if default value is used in main configuration file wp-config.php
If you can`t start Plesk 11.0.9 control panel for Linux using command: after failed automatic upgrade you can fix it using command: Example commnad output: Changing shell for popuser. Shell not changed. Changing shell for mhandlers-user. Shell not changed. ===> Preparing upgrade Stopping psa… done psa is stopped Stopping psa… done ===> Cumulative database upgrade … Continue reading Plesk 11.0.9 for Linux: fix failed automatic update
If you getting Warning: Using unique option prefix pass instead of password is deprecated and will be removed in a future release. Please use the full name instead. during mysqld service restart you should fix your custom ~/.my.cnf configuration files syntax. # more ~/.my.cnf [client] user=”root” pass=”YourSecureMySQLPassword” # short “pass” should be removed by “password”: … Continue reading Warning during restart mysqld service Using unique option prefix pass instead of password is deprecated
During Plesk control panel version 11.5.30 for Linux when updated to #26 I got error: ERROR: PleskFatalException: Unable to connect to database: mysql_connect(): No such file or directory (auth.php:142) When I have checked KB articles related to this problem on suggested link Search for related Knowledge Base articles I have found working solution:
When I have set such settings in file sites/default/settings.php on one of my Drupal7 websites: Users, after log in (if logged in from plain HTTP /user/login form) has started to see 403 forbidden error. To fix it I have added such rules to main .htaccess file: This has fixed the issue.
What is open_basedir ? The open_basedir function defines the locations or paths from which PHP is allowed to access files using functions like fopen() , gzopen() , etc. If a file is outside of the paths defined by open_basdir setting, PHP will refuse to open it. You can’t use a symbolic link as a workaround, … Continue reading Linux Plesk PHP error: open_basedir restriction in effect
I’m using vim editor. I have found useful alias to backup and edit configuration file automatically. It can be added it to your ~/.bashrc To apply newly created alias without restarting run: Usage example: It will create copy of /etc/httpd/conf/httpd.conf configuration file using pattern: /etc/httpd/conf/httpd.conf-YYYY-MM-DD.bak To view your configuration changes you can run command:
