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The empty file /forcefsck causes the file system check fsck to be run next time you boot up, after which it will be removed.
This works too:
Refresh the cache of font directory , usefull after you download font (.ttf or other) from various website and you don't want to reboot or relogin . Close your word processor before using the command , after the refresh reopen your word processor , new fonts is avaible !
convert to debian package file (deb) a redhat package file (rpm) , then you can install it by using dpkg , require alien package ( sudo apt-get install alien first )
This command will disable the beep sound from the PC speaker.
The execution of this command will install a LAMP server (Linux, Apache, MySQL and PHP) in a Debian based distribution. For example, in Ubuntu.
Install a deb package you have downloaded (synaptic has to be closed).
(dpkg-dev needs to be installed)
After that you may have to run following:
sudo apt-get install -f
(that should fix any dependency problems)
I am using ubuntu linux
This will change the ownership of /../../somedirectory as well as all its subdirectories so they will be be owned by user2 - typically used when a directory is owned by root:root
This command dumps all SVN repositories inside of folder "repMainPath" (not recursively) to the folder "dumpPath", where one dump file will be created for each SVN repository.
According to tune2fs manual, reserved blocks are designed to keep your system from failing when you run out of space. Its reserves space for privileged processes such as daemons (like syslogd, for ex.) and other root level processes; also the reserved space can prevent the filesystem from fragmenting as it fills up. By default this is 5% regardless of the size of the partition.
Instead of looking for the right ip address, just pick whatever address you like and set a static ip mapping.
This command clone the first partition of the primary master IDE drive to the second partition
of the primary slave IDE drive (!!! back up all data before trying anything like this !!!)
When you need to add another tty device that can automatically start at boot time
adding users to groups on OS X is not a straightforward process, you need to use the new in built in Directory Service command line utility...
To get the connection information of protocol tcp and extended infortmation.
get diskusage of files (in this case logfiles in /var/log) modified during the last n days:
sudo find /var/log/ -mtime -n -type f | xargs du -ch
n -> last modified n*24 hours ago
Numeric arguments can be specified as
+n for greater than n,
-n for less than n,
n for exactly n.
=> so 7*24 hours (about 7 days) is -7
sudo find /var/log/ -mtime -7 -type f | xargs du -ch | tail -n1
Debian: Mark all dependent packages as manually installed. So they are not automatically removed if you remove some meta package - like gnome-desktop-environment for example.
Stores the currently active iptables rules to a file that will be applied upon reboot
If you don't save the rule set it won't be applied during a reboot