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1. Shell Programming and Scripting

Do i miss counter or what

hello this script should show all users and space they used without problem : ls /home >> /root/users.txt cat /root/users.txt | while read line; do space=`du -s /home/$line` echo "$line space is $space" shift done but when i remove pipe ,script run without any output: ls /home...

2. UNIX for Dummies Questions & Answers

Pegging counter

Hi Experts, I am in need for some help. My competence level on unix is not at all helping me to resolve this. Please help. My Input for a system command is as under: Counters are getting pegged each hour. I need to have a difference printed rather than pegged counter values. Counter...

3. Shell Programming and Scripting

Counter

if ;then echo "mrnet greater 5000" gzip /var/log/mrnet.log mv /var/log/mrnet.log.gz /var/log/mrnet.log.1.gz if ];then i=1 let i++ mv /var/log/mrnet.log.1.gz /var/log/vieux-logs/mrnet.log.$i.gz else echo "theres no...

4. Shell Programming and Scripting

problem with counter

i having a file xxxxxxxxxxxxxxx1234 ...........value can be change xxxxxxxxxxxxxxx1235 xxxxxxxxxxxxxxxx1236 . . . . xxxxxxxxxxxxxxxxx1300 ...........value can be change i want to cut last four characters of first line and last line and find the missing pattern. output should...

5. Shell Programming and Scripting

DelimiterCount: how to use a counter

Hi, I am new to shell script. I want to count to Delimiter count for my source file. For that I have written script. When I tried to execute the script I could not able to view the results. It throws errors. I don't know what the problem is. My aim is I want to store the delimiter count in one...

6. Shell Programming and Scripting

grep and counter

Hi, I have such an example(ksh): name1=Example directory=/directory1/Example/directory2 match=$(grep -s '$name1' $directory | wc -l) echo $match But it replies to me: 0 What I expect from it, is to find $name1 in $directory and produce 1 for me as true, not false.

7. Shell Programming and Scripting

counter

Hi, I need some help. Shell script counter. i need to add condition to check if counter is more than 10 and longer than 3 hours? it runs every 5 mins. it only check count and send email right now. it runs in cron as below gregcount.ksh gregdb 10 > /tmp/gregcount.out 2> /tmp/gregcount.err ...

8. Shell Programming and Scripting

counter problem

Hi, I'm attempting to take the following input list and create an output file as shown below. I've monkeyed around for long enough. Can anyone help? NOTE: fs*** will be header and I want to get a count on NY**. fs200a NY7A fs200b NY7B NY7B NY7B fs200c NY7C NY7C NY7C NY7C...

9. Shell Programming and Scripting

counter in a variable - can it be done?

I have the following for(( i=1; 1<=2; i++)) do e1=123 n1=123 e2=456 n2=456 coord= $e1,$n1 echo "coordinate=$coord" done exit this echos coordinate=123,123 I need it to loop so: loop1 coord=$e1,$n1 loop2

LEARN ABOUT CENTOS

ss

SS(8)							      System Manager's Manual							     SS(8)

NAME

       ss - another utility to investigate sockets

SYNOPSIS

       ss [options] [ FILTER ]

DESCRIPTION

       ss  is  used  to  dump socket statistics. It allows showing information similar to netstat.  It can display more TCP and state informations
       than other tools.

OPTIONS

       When no option is used ss displays a list of open non-listening TCP sockets that have established connection.

       -h, --help
	      Show summary of options.

       -V, --version
	      Output version information.

       -n, --numeric
	      Do not try to resolve service names.

       -r, --resolve
	      Try to resolve numeric address/ports.

       -a, --all
	      Display both listening and non-listening (for TCP this means established connections) sockets.

       -l, --listening
	      Display only listening sockets (these are omitted by default).

       -o, --options
	      Show timer information.

       -e, --extended
	      Show detailed socket information

       -m, --memory
	      Show socket memory usage.

       -p, --processes
	      Show process using socket.

       -i, --info
	      Show internal TCP information.

       -s, --summary
	      Print summary statistics. This option does not parse socket lists obtaining summary from various sources. It is useful  when  amount
	      of sockets is so huge that parsing /proc/net/tcp is painful.

       -b, --bpf
	      Show socket BPF filters (only administrators are allowed to get these information).

       -4, --ipv4
	      Display only IP version 4 sockets (alias for -f inet).

       -6, --ipv6
	      Display only IP version 6 sockets (alias for -f inet6).

       -0, --packet
	      Display PACKET sockets (alias for -f link).

       -t, --tcp
	      Display TCP sockets.

       -u, --udp
	      Display UDP sockets.

       -d, --dccp
	      Display DCCP sockets.

       -w, --raw
	      Display RAW sockets.

       -x, --unix
	      Display Unix domain sockets (alias for -f unix).

       -f FAMILY, --family=FAMILY
	      Display sockets of type FAMILY.  Currently the following families are supported: unix, inet, inet6, link, netlink.

       -A QUERY, --query=QUERY, --socket=QUERY
	      List  of	socket	tables	to  dump,  separated  by commas. The following identifiers are understood: all, inet, tcp, udp, raw, unix,
	      packet, netlink, unix_dgram, unix_stream, packet_raw, packet_dgram.

       -D FILE, --diag=FILE
	      Do not display anything, just dump raw information about TCP sockets to FILE after applying filters. If FILE is - stdout is used.

       -F FILE, --filter=FILE
	      Read filter information from FILE.  Each line of FILE is interpreted like single command line option. If FILE is - stdin is used.

       FILTER := [ state TCP-STATE ] [ EXPRESSION ]
	      Please take a look at the official documentation (Debian package iproute-doc) for details regarding filters.

USAGE EXAMPLES

       ss -t -a
	      Display all TCP sockets.

       ss -u -a
	      Display all UDP sockets.

       ss -o state established '( dport = :ssh or sport = :ssh )'
	      Display all established ssh connections.

       ss -x src /tmp/.X11-unix/*
	      Find all local processes connected to X server.

       ss -o state fin-wait-1 '( sport = :http or sport = :https )' dst 193.233.7/24
	      List all the tcp sockets in state FIN-WAIT-1 for our apache to network 193.233.7/24 and look at their timers.

SEE ALSO

       ip(8), /usr/share/doc/iproute-doc-3.10.0/ss.ps (package iproute-doc)

AUTHOR

       ss was written by Alexey Kuznetosv, <kuznet@ms2.inr.ac.ru>.

       This manual page was written by Michael Prokop <mika@grml.org> for the Debian project (but may be used by others).

																	     SS(8)

Shell Programming and Scripting