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table
{
counter-reset: Serial;
border-collapse: separate;
}

tr td:first-child:before
{
counter-increment: Serial; /* Increment the Serial counter */
content: counter(Serial); /* Display the counter */
}

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table.table1
{
counter-reset: Serial 5;
border-collapse: separate;
}

table.table1 tr td:nth-child(2):before /* It will affect in Second td */
{
counter-increment: Serial -1; /* Increment the Serial counter */
content: counter(Serial); /* Display the counter */
}

<table class=”table1″>
<tbody>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
</tbody>
</table>

Output:

5
4
3
2
1

If you want use this same concept with multiple tables add this following css

tr.space_bw_rows td {
padding-top: 40px;
border: none;
}
tr.noBorder td {
padding-bottom: 20px;
border: 0;

<table class=”table1″>
<tbody>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>

<tr class=”space_bw_rows”><td></td></tr>
<tr class=”noBorder”> <td colspan=”3″><p align=”center” class=MsoNormal><strong>2015</strong></p></td> </tr>
<tr>
<td></td>
<td></td>
</tr>
</tbody>
</table>

Easily you can edit the file:

gedit ~/.config/nautilus/servers

You can edit the file and remove some entries or if you just want to delete all history you can remove this file:

rm ~/.config/nautilus/servers

Check Ubuntu Version

Check Ubuntu version from terminal:

Step 1: Open the terminal.

Step 2: Enter the lsb_release -a command.

netstat – a command-line tool that displays network connections, routing tables, and a number of network interface statistics.

$ sudo netstat -plnt

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN  1158/mysqld
tcp 0 0 127.0.0.1:6379 0.0.0.0:* LISTEN 5390/redis-server 1
tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN 699/smbd
tcp 0 0 0.0.0.0:9391 0.0.0.0:* LISTEN 4938/openvassd: Wai
tcp 0 0 192.168.122.1:53 0.0.0.0:* LISTEN 2218/dnsmasq
tcp 0 0 127.0.1.1:53 0.0.0.0:* LISTEN 1345/dnsmasq
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1029/sshd
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 7420/cupsd
tcp 0 0 127.0.0.1:5943 0.0.0.0:* LISTEN 1320/teamviewerd
tcp 0 0 127.0.0.1:5432 0.0.0.0:* LISTEN 1271/postgres
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 2140/master
tcp 0 0 0.0.0.0:445 0.0.0.0:* LISTEN 699/smbd
tcp6 0 0 :::139 :::* LISTEN 699/smbd
tcp6 0 0 :::9390 :::* LISTEN 4962/openvasmd
tcp6 0 0 :::9392 :::* LISTEN 5442/gsad
tcp6 0 0 :::80 :::* LISTEN 2367/apache2
tcp6 0 0 :::22 :::* LISTEN 1029/sshd
tcp6 0 0 ::1:631 :::* LISTEN 7420/cupsd
tcp6 0 0 :::25 :::* LISTEN 2140/master
tcp6 0 0 :::443 :::* LISTEN 5201/gsad
tcp6 0 0 :::445 :::* LISTEN 699/smbd

Export table structure

pg_dump -U username -d db_name -t table_name –exclude-table-data table_name > table_structure.sql

Here is the Command:

grep -rnw 'directory' -e "pattern"

-r or -R is recursive
-n is line number
-w stands match the whole word
-l (letter L) can be added to have just the file name.


							

Rename File Extension

Change .jpeg to .jpg

rename ‘s#\.jpeg$#.jpg#’ *.jpeg

Chang .jpg to .JPG

rename ‘s#\.jpg$#.JPG#’ *.jpg

Basic Format

grep -rl matchstring somedir/ | xargs sed -i 's/string1/string2/g'

Example

grep -rl 'windows' ./ | xargs sed -i 's/windows/linux/g'