cd /root/ wget https://bitbucket.org/zhb/iredmail/downloads/iRedMail-0.8.7.tar.bz2 tar xjf iRedMail-0.8.7.tar.bz2 cd /root/iRedMail-0.8.7 bash iRedMail.sh
August 27, 2014
Install iRedMail
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September 1, 2013
Check Mod Security Version
/scripts/restartsrv_httpd
grep "modsecurity" /usr/local/apache/logs/error_log
Output:
[Mon Sep 02 00:32:46 2013] [notice] ModSecurity for Apache/2.7.5 (http://www.modsecurity.org/) configured.
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July 18, 2013
Check Hard Drive Health In Linux With HDSentinel
cd /home/status/
wget http://www.hdsentinel.com/hdslin/hdsentinel_008_x64.zip
unzip hdsentinel*
chmod 755 HDSentinel
./HDSentinel
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October 9, 2012
More History
1. Display timestamp using HISTTIMEFORMAT
export HISTTIMEFORMAT='%F %T '
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August 16, 2012
Install Bonnie++
Download the latest atrpms-repo rpm from http://dl.atrpms.net/el6-x86_64/atrpms/stable/
Install atrpms-repo rpm:
rpm -Uvh atrpms-repo*rpm
Install bonnie++ rpm package:
yum install bonnie++
Source: http://pkgs.org/centos-6-rhel-6/atrpms-x86_64/bonnie++-1.03e-6.el6.x86_64.rpm.html#howto
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July 9, 2012
July 1, 2012
Error ip_conntrack: table full, dropping packet
Error ip_conntrack: table full, dropping packet terjadi karena banyaknya kunjungan ke server dan menyebabkan database iptable menjadi penuh
solusi:
1. naikkan kapasitas iptable
echo 131072 > /proc/sys/net/ipv4/ip_conntrack_max
2. flush kosongkan iptable
iptables -P
iptables -F
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June 15, 2012
Mod_Deflate
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/
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Install Memcache
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
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April 5, 2012
‘./eximstats/sends’ is marked as crashed
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
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