Some useful and tricky UNIX commands

1) Global Replacement Commant in vi :- 1,$s/xyz/abc/g


2) For alligning of the content in vi :- set noai nosm (no auto intended and no show match)

3) Shutdown from remote command prompt :- shutdown -t 00 (Windows)

4) To see blocked session in windows :- qwinsta \Server:100.1.2.100 (windows)

5) how to extract cpio file :- cpio -icdmv #greater than symbol # # file_name #

6) To find which PID using port :- lsof -i TCP:portno or lsof -i tcp | grep #portnumber#

7) To find IP address of server :- netstat -in

8) To Find files "generated/modified" today and remove them from unix :-

ls -ltr | awk '{print $7 " " $9}' | grep -w `date "+%d` | awk '{print $2}' | xargs rm

9) To find the files containing a specific string :- Find . –type f –print | xargs grep “vinay”

10) To get ram/os details on HP :- /usr/contrib/bin/machinfo

11) To get disk details on HP :- ioscan -fnkC disk

12) To find a file larger then the 10GB :- find /u01/soft -type f -size +1048576

13) How to use ldapbind :-

ldapbind -h 100.1.2.100 -p 389 -D "cn=testuser,cn=Users,dc=testworld,dc=com" -w #password#

14) To Check disk group information :- ls /etc/lvmtab

15) To Check the status of disk groups obtained from above :- # vgdisplay vg00

                                                                                               # cmviewcl

16) To run a package on HP-UX :- cmrunpkg -v tnetappl

17) To find whole processes running on server :- ps -eaf | grep #process-name or any key string#

18) To find a free port available on the server :- netstat -na | grep #portno#

19) To take a tar backup :- tar -cvf #source_name# #file_name.tar#

20) To extract a tar backup :- tar -xvf #file_name.tar#

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