LinuxNotes

#This file contains bash/commandline related notes
#To enable smooth tabbing in vim add the following lines in .vimrc
colorscheme default
hi Statement ctermfg=2
nmap <C-a> :tabp<cr>
nmap <C-d> :tabnext<cr>
nmap <C-w> :tabclose<cr>

#This is to highlight using visual mode and search in vim
vnoremap // y/<C-R>"<CR>

#Watch command in linux
watch -n 0.1 -d "netstat -nape 2> /dev/null | grep <process_name/id>"

#Using pmap to get the actual memory usage for a process
pmap -x <pid>

#Using awk to create a key value pair
awk -F',' 'BEGIN {j=0} {for(i=1;i<= NF;i++) { if (j == 0) {name[i]=$i;} else {print i,name[i],"=",$i;}} j++; }'

#Expect script section
This is to login to other machine using expect script
#!/usr/bin/expect
spawn ssh -oStrictHostKeyChecking=no -oCheckHostIP=no user@machine
expect "password"
send "$PASSWORD\n"
interact