Run top in batch mode

top -b -d 10 -n 3

This is the command used to post a new task to the nexty GTD tool.

curl --basic --user "binnyva:password" --cookie-jar /tmp/nexty-cookies.txt --data-ascii "task=`echo $@|tr ' ' '+'`&layout=cli" "http://nexty.org/tasks/add.php"

Post a status update to identi.ca using just curl

curl --basic --user binnyva:PASSWORD --data-ascii "status=The new status goes here" http://identi.ca/api/statuses/update.xml

You can create a directory tree using just one command in Linux

mkdir -p /tmp/dir1/dir2

Show files and directory containing numbers

ls *[0-9]*

I run this command when I go for lunch or something – these commands take a while to run.

sudo /bin/bash /usr/sbin/makewhatis -w; sudo /usr/bin/updatedb; sudo /home/binnyva/Software/System/chkrootkit-0.47/chkrootkit

This command shows the kernel modules that are currently loaded.

# lsmod

Module                  Size  Used by
vboxdrv                55088  0
autofs4                20421  2
ipt_MASQUERADE          6721  1
iptable_nat             9669  1
nf_nat                 18669  2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4      11717  2 iptable_nat
nf_conntrack           51977  4 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4
....

du shows the ‘disk usage’ – the space taken up by the files and folders in the current directory.

du -bh | more

free gives the Memory info (in kilobytes).

free
#Output
             total       used       free     shared    buffers     cached
Mem:       2075000     667508    1407492          0      25988     352076
-/+ buffers/cache:     289444    1785556
Swap:       979924          0     979924

[tags][/tags]

The last command shows a history of logins…

last