Exim – anti-spam per domain setting

April 1, 2008 · by · in Open Source, Systems

acl_check_rcpt: blah … blah … blah … deny message = rejected as $sender_host_address is blacklisted in $dnslist_domain\n$dnslist_text domains = domain-one.com : domain-two.com : domain-three.com dnslists = sbl-xbl.spamhaus.org blah … blah … blah … reference link : http://www.exim-new-users.co.uk/content/view/65/39/

screen in FreeBSD default to csh as suppose to bash (preferred)

March 31, 2008 · by · in Open Source, Systems

After changing bash shell to a new user using chsh, screen needs ~/.bashrc for environment settings, which need “ln -s ~/.bash_profile ~/.bashrc”.

run sql/queries (postgres) within bash

March 30, 2008 · by · in Open Source, Systems

e.g. for things-to-buy in $(psql -d database-name -U username -c “select item from glossaries where priority = ‘urgent’ “; do blah, blah, blah … done

secure copy with failover – rsync & ssh

March 28, 2008 · by · in Systems

e.g. rsync -av –progress -e ‘ssh -i /alternate/id/file’ sshusername@host:/directory/or/file /destination/directory/or/file – should the copy process terminated through the half way, just run the exact command again and it will continue from the file is failed previously, without copying again starting…

iTerm resize the window itself when using screen

March 27, 2008 · by · in Systems

Bookmarks –> Manage Profiles –>  Terminal Profiles –> Default check “Disable session-initiated window resizing”.