dapurhosting.com Blog for Tech

June 15, 2012

Mod_Deflate

Filed under: cPanel/WHM,Server — Tags: — dh @ 6:02 pm

Ke cPanel >> Apache Configuration >> Include Editor >> Post VirtualHost Include >> All Version Tambahkan kode ini


AddOutputFilterByType DEFLATE text/html text/plain text/xml


# Netscape 4.x has some problems…
BrowserMatch ^Mozilla/4 gzip-only-text/html

# Netscape 4.06-4.08 have some more problems
BrowserMatch ^Mozilla/4\.0[678] no-gzip

# MSIE masquerades as Netscape, but it is fine
# BrowserMatch \bMSIE !no-gzip !gzip-only-text/html

# NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48
# the above regex won’t work. You can use the following
# workaround to get the desired effect:
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html

# Don’t compress images
SetEnvIfNoCase Request_URI \
\.(?:exe|t?gz|zip|bz2|sit|rar)$ \
no-gzip dont-vary
SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary


# Make sure proxies don’t deliver the wrong content
Header append Vary User-Agent env=!dont-vary

Test:
http://www.whatsmyip.org/http-compression-test/

Install Memcache

Filed under: Apache,Server — Tags: , — dh @ 8:12 am

cd /usr/local/src/
wget https://github.com/downloads/libevent/libevent/libevent-2.0.19-stable.tar.gz
tar xfz libevent*
cd libevent*
./configure
make
sudo make install

sudo ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib

cd /usr/local/src/
wget http://memcached.googlecode.com/files/memcached-1.4.13.tar.gz
tar xfz memcached*
cd memcached*
./configure
make
sudo make install

test memcached

memcached -d -u nobody -m 1024 127.0.0.1 -p 11211

Kalau error
ln -s /usr/local/lib/libevent-2.0.so.5 /usr/lib64/libevent-2.0.so.5

Install libmemcached
cd /usr/local/src/
wget http://launchpad.net/libmemcached/1.0/1.0.4/+download/libmemcached-1.0.4.tar.gz
tar -zxvf libmemcached-1.0.4.tar.gz
cd libmemcached-1.0.4
./configure
make && make install

Install memcached
pecl install memcached

pecl install memcached

http://forums.cpanel.net/f5/memcached-instalation-memcached-so-missing-257942.html

April 5, 2012

‘./eximstats/sends’ is marked as crashed

Filed under: MySql,Server — dh @ 9:14 am

MySql Error

[ERROR] /usr/sbin/mysqld: Table './eximstats/sends' is marked as crashed and last (automatic?) repair failed

Repair from command line ssh
myisamchk -r /var/lib/mysql/eximstats/sends.MYI

March 22, 2012

Drop memory cache

Filed under: Server — dh @ 11:06 am

drop memory cache


crontab -e
*/15 * * * * sync; echo 3 > /proc/sys/vm/drop_caches

March 16, 2012

Nginx

Filed under: Apache,Server — dh @ 8:47 am

Install NGINX

cd /usr/local/src
wget http://nginxcp.com/latest/nginxadmin.tar
tar xf nginxadmin.tar
cd publicnginx
./nginxinstaller install

Uninstall NGINX

cd /usr/local/src
wget http://nginxcp.com/latest/nginxadmin.tar
tar xf nginxadmin.tar
cd publicnginx
./nginxinstaller uninstall

Nginx Installation error:

File "/scripts/createvhosts.py", line 2, in ?
First uninstall nginx then run this command
wget http://www.python.org/ftp/python/2.5.2/Python-2.5.2.tgz
tar fxz Python-2.5.2.tgz
cd Python-2.5.2
./configure
make
make install

Nginx running warning

nginx: [warn] conflicting server name "YOURIPADDRESS" on 66.228.117.248:80, ignored
nginx: [warn] conflicting server name "YOURIPADDRESS" on 66.228.117.248:80, ignored
nginx: [warn] conflicting server name "YOURIPADDRESS" on 66.228.117.248:80, ignored

nginx: [emerg] bind() to YOURIPADDRESS:80 failed (98: Address already in use)
nginx: [emerg] bind() to YOURIPADDRESS:80 failed (98: Address already in use)
nginx: [emerg] bind() to YOURIPADDRESS:80 failed (98: Address already in use)
nginx: [emerg] still could not bind()
already running.

run this commands
cd /etc/nginx/vhosts
perl -pi -w -e 's/server_name(.*) YOURIPADDRESS/server_name$1/g;' *

Replace YOURIPADDRESS with the ip address you see in the errors.

Now go to WHM > Tweak settings and change Apache non-SSL IP/port to 0.0.0.0:8081

January 20, 2012

Speed Up Software Raid Resync And Building

Filed under: Server — Tags: , — dh @ 5:53 am

Check speed and time required to finish sync
cat /proc/mdstat

echo value > /proc/sys/dev/raid/speed_limit_min

OR

sysctl -w dev.raid.speed_limit_min=value

Check speed and time required again to see the perfomance

cat /proc/mdstat

January 9, 2012

Linux Malware Detect

Filed under: Securtiy,Server — dh @ 4:39 am

source:

  • http://www.rfxn.com/projects/linux-malware-detect/
  • http://www.webhostingtalk.com/wiki/Linux_Malware_Detect

Installation


wget http://www.rfxn.com/downloads/maldetect-current.tar.gz
tar xfz maldetect-current.tar.gz
cd maldetect-*
./install.sh

Configure Linux Malware Detect


vi /usr/local/maldetect/conf.maldet

Manual Scan


maldet --scan-all /home?/?/public_html

Cron Job

vi /etc/cron.daily/maldet

January 5, 2012

Exim, refused: too many connections

Filed under: Server — Tags: , — dh @ 2:39 pm

2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections
2012-01-05 08:11:18 Connection from [x.x.x.x] refused: too many connections

Edit /etc/exim.conf

smtp_accept_max = nn
smtp_accept_max_per_host = nn

restart exim /etc/init.d/exim restart

December 12, 2011

How to Kill Zombie

Filed under: Server — dh @ 6:24 am

List all zombie

ps aux | awk '{ print $8 " " $2 }' | grep -w Z

Output:
Z 4104
Z 5320
Z 2945

Kill:
kill -9 4104

Or:
if the PID = 1 (no parent)
wait 3038 &

October 20, 2011

Share IP Not Showing Default Website

Filed under: cPanel/WHM,Server — dh @ 3:19 am

When browse to IP, browser not showing default website but other website (client)

login to ssh

pico /usr/local/apache/conf/httpd.conf

find
Copy …..
Paste on top and change IP address to touble IP


ServerName x.x.com
DocumentRoot /usr/local/apache/htdocs
ServerAdmin x.x@x.com

suPHP_UserGroup nobody nobody

UserDir disable

jalankan command ini supaya httpd.conf yang baru diganti menjadi default apache (konfigurasi tidak hilang)

/usr/local/cpanel/bin/apache_conf_distiller –update

« Newer Posts — Older Posts »

Powered by WordPress