A chronological documentation test project, nothing serious, really!
It is possible to control which source address is put in to ARP headers using the ARP_ANNOUNCE option in the kernel. It takes the following values. 0 (default) Any local address 1 Use address from the same subnet as the target address 2 prefer primary address. This is worth knowing because the default can give […]
This is an example of how you can use tail with colors. # tail -f /var/log/maillog | perl -pe ‘s/colorthisword/\e[1;32;40m$&\e[0m/g’ The ;;; values explained 0 all attributes off 1 bold 32 foreground green 40 background black “colorthisword” can be any perl regular expression: (foo|bar) highlight the strings foo and bar \b((foo|bar)\b highlight the words foo […]
Export userinformation from Zimbra # su – zimbra # zmprov gaa -v|egrep ‘cn:|sn:|displayName|givenName|zimbraMailDeliveryAddress|zimbraMailForwardingAddress|zimbraAccountStatus’|grep -v zimbraAdminSavedSearches Output cn: Ola Normann displayName: Ola Normann givenName: Ola sn: Normann zimbraAccountStatus: active zimbraMailDeliveryAddress: ola@example.com zimbraMailForwardingAddress: ola.normann@example.com …
This is a little script I’ve written to correct all my image files since the EXIF timestamp information is one hour out of sync. The filenames have been renamed to comply to the EXIF information and has to be renamed again because of the one hour scew. The filename can look something like this 20080102-1201_DSC_0910.JPG […]