My version of hardy (8.04) actually had postfix instead of sendmail : # /etc/init.d/postfix restart * Stopping Postf...

Symptoms: used to work hasn't been running since a certain day, verified by looking at the log timestamp Solution: restart cron with # /etc/init.d/cron restart

Some ways to refresh DHCP on Linux: To release IP address lease: $ sudo dhclient -r then, to get fresh IP: $ sudo dhclient Use ifdown and ifup : $ sudo ifdown eth0 $ sudo ifup eth0 Restart network: $ sudo /etc/init.d/network restart or, $ sudo /etc/init.d/networking restart

You get "permission denied" error from Apache HTTPD for a page. And you checked file/directory permissions (the whole directory path, not just the file) and everything in httpd.conf . If everything seemed right, then SELinux may be blocking the access. Open /var/log/httpd/error_log , you may see a line like this: [Wed Apr 13 15:50:35 2011] [notice] SELinux poli... These are the steps to fix: If the directory resides in a user home directory: # setsebool -P httpd_read_user_content 1 Create a policy package from the audit log: # grep httpd /var/log/audit/audit.log | audit2allo... Apply the policy package just created # semodule -i mypol.pp Restart apache httpd: # apachectl restart

You need to merge this value into the Windows XP registry in order to make ClearType work for a remote desktop: Windows Registry Editor Version 5.00 [HKEY_... A restart is required for the change to take effect.

To resolve the error: [focus@bamboo ~]$ psql -U postgres -W Password ... Edit /var/lib/pgsql/data/pg_hba.conf , change ident to trust , then restart postgres: # TYPE DATABASE USER CIDR-ADDRESS ...

Use the pg_ctl command to start/stop/restart the PostgreSQL server: $ bin/pg_ctl -D /usr/local/pgsql/data -l logs/post... Environment variable PGDATA can be set in lieu of the -D switch.

You were tempted by "my fun cards" and installed "my web search" on your computer. Although some people say "my web search" is harmless, but still it behaved scary. So you want to uninstall it. You click the "Add/Remove Programs" and removed the "my web search" toolbar. But then when you type in things in the Firefox address bar you find that it still brings up "my web search"! Here's how to get rid of it: Enter "about:config" in the address bar (and promise that you'll be careful). Enter "myweb" in the filter box Reset browser.search.selectedEngine and keyword.URL , extensions.mywebsearch.openSearchURL , extensions.mywebsearch.prevKwdEnabled , and extensions.mywebsearch.prevKwdURL . The extensions.mywebsearch.* settings will be removed after Firefox restart. The parameter that affects the address bar search is keyword.URL...