Menu Firefox LXDE

cat /home/user/.local/share/applications/firefox.desktop

[Desktop Entry]
Encoding=UTF-8
Type=Application
Name=Firefox
Name[en_US]=Firefox
Exec=/home/user/firefox/firefox
Comment[en_US]=Firefox web browser
StartupNotify=false
Icon=/home/user/firefox/browser/icons/mozicon128.png

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JRE 1.6 pada Debian 9 32-bit

Download JRE 1.6 dari https://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase6-419409.html

Pasang JRE 1.6


mkdir /usr/lib/jvm
cp /home/user/jre-6u45-linux-i586.bin .
./jre-6u45-linux-i586.bin
update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jre1.6.0_45/bin/java" 1

Download firefox 45.9.0esr dari https://ftp.mozilla.org/pub/firefox/releases/45.9.0esr/linux-i686/ dan ekstrak ke home folder user

Link plugin jre ke folder plugin firefox
mkdir .mozilla/plugins
ln -s /usr/lib/jvm/jre1.6.0_45/lib/i386/libnpjp2.so /home/user/.mozilla/plugins/

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Cara Pasang Moodle 3.6 Pada Debian 9

Pasang pakej-pakej yang diperlukan

apt install php7.0 libapache2-mod-php7.0 php7.0-mysql php-common php7.0-cli php7.0-common php7.0-json php7.0-opcache php7.0-readline apache2 apache2-utils mysql-server php7.0-curl php7.0-gd php7.0-intl php7.0-zip php7.0-xml

Sediakan database

Dalam tag [server] /etc/mysql/mariadb.conf.d/50-server.cnf, tambahkan

innodb_large_prefix = ON

Simpan dan restart mariadb

systemctl restart mariadb

mysql -u root -p
create database moodle;
update mysql.user set plugin = 'mysql_native_password' where User='root';
SET GLOBAL innodb_file_format = barracuda;
\q

Pasang moodle

cd /var/www
tar -xvf /home/user1/moodle-latest-36.tgz
chown www-data /var/www/moodle
chown -R root /var/www/moodle
chmod -R 0755 /var/www/moodle
chown www-data /var/www/moodle
cd moodle/admin/cli/
sudo -u www-data /usr/bin/php install.php

Contoh setting apache2

# cat /etc/apache2/sites-available/000-default.conf

# The ServerName directive sets the request scheme, hostname and port that
# the server uses to identify itself. This is used when creating
# redirection URLs. In the context of virtual hosts, the ServerName
# specifies what hostname must appear in the request's Host: header to
# match this virtual host. For the default virtual host (this file) this
# value is not decisive as it is used as a last resort host regardless.
# However, you must set it for any further virtual host explicitly.
#ServerName www.example.com

ServerAdmin [email protected]
DocumentRoot /var/www/moodle
Alias /moodle /var/www/moodle

order allow,deny
allow from all

# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
# error, crit, alert, emerg.
# It is also possible to configure the loglevel for particular
# modules, e.g.
#LogLevel info ssl:warn

ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined

# For most configuration files from conf-available/, which are
# enabled or disabled at a global level, it is possible to
# include a line for only one particular virtual host. For example the
# following line enables the CGI configuration for this host only
# after it has been globally disabled with "a2disconf".
#Include conf-available/serve-cgi-bin.conf

# vim: syntax=apache ts=4 sw=4 sts=4 sr noet

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GPG error owncloud

Pernah dapat error ni?

All packages are up to date.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://download.owncloud.org/download/repositories/production/Debian_9.0 Release: The following signatures were invalid: EXPKEYSIG 47AE7F72479BC94B ownCloud build service
W: Failed to fetch http://download.owncloud.org/download/repositories/production/Debian_9.0/Release.gpg The following signatures were invalid: EXPKEYSIG 47AE7F72479BC94B ownCloud build service
W: Some index files failed to download. They have been ignored, or old ones used instead.

Senang je

wget -nv https://download.owncloud.org/download/repositories/production/Debian_9.0/Release.key -O Release.key
2019-03-20 00:40:43 URL:https://download.owncloud.org/download/repositories/production/Debian_9.0/Release.key [4485/4485] -> "Release.key" [1]

apt-key add - < Release.key OK

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Pasang SSL GoDaddy pada Zimbra 8

  1. Muatnaik fail ssl yang diperlukan ke server zimbra

    cp domain.key commercial.key
    cp intermediate/gd_bundle-g2-g1.crt commercial_ca.crt
    scp Certificate/numbers-digits.crt commercial.key commercial_ca.crt zimbra-IP:/tmp

  2. Periksa ssl

    su - zimbra
    /opt/zimbra/bin/zmcertmgr verifycrt comm /opt/zimbra/ssl/zimbra/commercial/commercial.key /tmp/numbers-digits.crt /tmp/commercial_ca.crt

  3. Pasangkan ssl

    /opt/zimbra/bin/zmcertmgr deploycrt comm /tmp/number-digits.crt /tmp/commercial_ca.crt

  4. Mulakan semula zimbra
    zmcontrol restart
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Setting SSL (letsencrypt) nginx Citadel

  1. Tukar port HTTPS Citadel ke 2001 dengan arahan

    dpkg-reconfigure citadel-webcit

  2. Pasang SSL truecrypt dengan merujuk kepada artikel https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04
  3. Edit /etc/nginx/sites-enabled/citadel seperti berikut:
    server {
    
            server_name domain.com citadel.domain.com;
            listen 443 ssl http2;
            listen [::]:443 ssl http2;
            include snippets/ssl-domain.com.conf;
            include snippets/ssl-params.conf;
    
            error_log /var/log/nginx/citadel-error.log;
            access_log /var/log/nginx/citadel-access.log;
    
            root /usr/share/citadel-webcit;
    # optional:
    #      listen 192.168.1.1:443
    # instead depending on your setup...
            # Main location
            location /webcit/ {
                proxy_pass         https://127.0.0.1:2001/;
                proxy_redirect     off;
    
                proxy_set_header   Host             $host;
                proxy_set_header   X-Real-IP        $remote_addr;
                proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
    
                client_max_body_size       10m;
                client_body_buffer_size    128k;
    
                proxy_connect_timeout      90;
                proxy_send_timeout         90;
                proxy_read_timeout         90;
    
                proxy_buffer_size          4k;
                proxy_buffers              4 32k;
                proxy_busy_buffers_size    64k;
                proxy_temp_file_write_size 64k;
            }
            location /listsub/ {
                proxy_pass         https://127.0.0.1:2001;
                proxy_redirect     off;
    
                proxy_set_header   Host             $host;
                proxy_set_header   X-Real-IP        $remote_addr;
                proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
    
                client_max_body_size       10m;
                client_body_buffer_size    128k;
    
                proxy_connect_timeout      90;
                proxy_send_timeout         90;
                proxy_read_timeout         90;
    
                proxy_buffer_size          4k;
                proxy_buffers              4 32k;
                proxy_busy_buffers_size    64k;
                proxy_temp_file_write_size 64k;
            }
            location /groupdav/ {
                proxy_pass         https://127.0.0.1:2001/;
                proxy_redirect     off;
    
                proxy_set_header   Host             $host;
                proxy_set_header   X-Real-IP        $remote_addr;
                proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
    
                client_max_body_size       10m;
                client_body_buffer_size    128k;
    
                proxy_connect_timeout      90;
                proxy_send_timeout         90;
                proxy_read_timeout         90;
    
                proxy_buffer_size          4k;
                proxy_buffers              4 32k;
                proxy_busy_buffers_size    64k;
                proxy_temp_file_write_size 64k;
            }
            location /freebusy/ {
                proxy_pass         https://127.0.0.1:2001/;
                proxy_redirect     off;
    
                proxy_set_header   Host             $host;
                proxy_set_header   X-Real-IP        $remote_addr;
                proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
    
                client_max_body_size       10m;
                client_body_buffer_size    128k;
    
                proxy_connect_timeout      90;
                proxy_send_timeout         90;
                proxy_read_timeout         90;
    
                proxy_buffer_size          4k;
                proxy_buffers              4 32k;
                proxy_busy_buffers_size    64k;
                proxy_temp_file_write_size 64k;
            }
    }

Sumber:
http://www.citadel.org/doku.php/faq:installation:apacheproxy
https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04

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Ralat Clamd CentOS 5 LibClamAV Error: mpool_malloc()

Apabila email tidak sampai ke mailbox dan log MailScanner (maillog) terdapat ralat berikut:

Oct 23 22:32:06 email MailScanner[21705]: Virus and Content Scanning: Starting
Oct 23 22:32:06 email MailScanner[21705]: Clamd::ERROR:: COULD NOT CONNECT TO CLAMD, RECOMMEND RESTARTING DAEMON :: .
Oct 23 22:32:07 email MailScanner[21705]: Virus Scanning: Clamd found 1 infections
Oct 23 22:32:07 email MailScanner[21705]: Virus Scanning: No virus scanners worked, so message batch was abandoned and re-tried!

Kemudian cuba restart clamd, ralat berikut pula muncul

LibClamAV Error: mpool_malloc(): Attempt to allocate 8388608 bytes. Please report to http://bugs.clamav.net

Kemaskini clamav untuk selesaikan masalah ini.

yum --disablerepo=\* --enablerepo=rpmforge update clam\*

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Pelayan SNMP CentOS 6

Andaian:

IP = 10.0.0.10
Email support = [email protected]

Pasang snmpd net-snmp

yum install -y net-snmp-utils
chkconfig snmpd on

/etc/snmp/snmpd.conf

rocommunity public
syslocation Rack Server IT
syscontact Domain Support <[email protected]>
dontLogTCPWrappersConnects yes
rocommunity public default

/etc/sysconfig/snmpd.options (untuk membenarkan akses dari pelayan lain)

# snmpd command line options
OPTIONS="-Lsd -Lf /dev/null -p /var/run/snmpd.pid -a -x 127.0.0.1 10.0.0.10"

Mulakan semula snmpd

service snmpd restart

Uji dengan

snmpwalk -v2c -cpublic 127.0.0.1

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Padam semua spam dari pengguna spesifik Zimbra

Simpan sebagai postfix-delete.pl

Cara guna
perl postfix-delete.pl [email protected]

Kod:

#!/usr/bin/perl

$REGEXP = shift || die "no email-adress given (regexp-style, e.g. bl.*\@yahoo.com)!";

@data = qx</opt/zimbra/postfix/sbin/postqueue -p>;
for (@data) {
  if (/^(\w+)(\*|\!)?\s/) {
     $queue_id = $1;
  }
  if($queue_id) {
    if (/$REGEXP/i) {
      $Q{$queue_id} = 1;
      $queue_id = "";
    }
  }
}

#open(POSTSUPER,"|cat") || die "couldn't open postsuper" ;
open(POSTSUPER,"|/opt/zimbra/postfix/sbin/postsuper -d -") || die "couldn't open postsuper" ;

foreach (keys %Q) {
  print POSTSUPER "$_\n";
};
close(POSTSUPER);

Sumber:

http://www.cyberciti.biz/tips/howto-postfix-flush-mail-queue.html

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