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jkullick / debian-ubuntu-oracle-jdk.md
Last active July 29, 2016 11:58
Install Oracle JDK (Java) on Debian/Ubuntu 
mkdir -p /opt/java
curl -b 'oraclelicense=accept-securebackup-cookie' -L 'http://download.oracle.com/otn-pub/java/jdk/8u92-b14/jdk-8u92-linux-x64.tar.gz' | tar xz -C /opt/java
update-alternatives --remove-all java
update-alternatives --remove-all javac
update-alternatives --install /usr/bin/java java /opt/java/jdk1.8.0_92/bin/java 1
update-alternatives --install /usr/bin/javac javac /opt/java/jdk1.8.0_92/bin/javac 1
@jkullick
jkullick / linux-tcp-connection-count.md
Last active July 29, 2016 11:58
Show active TCP Connection Count in Linux 
wc -l /proc/net/tcp
@jkullick
jkullick / windows-server-clear-dns-cache.md
Last active July 29, 2016 11:58
Clear Windows Server DNS Cache 
Clear-DnsServerCache –ComputerName $SERVER -Force
@jkullick
jkullick / exchange-reset-owa-virtual-directory.md
Last active July 29, 2016 11:58
Reset Exchange OWA Virtual Directory 
Remove-OwaVirtualDirectory -Identity '$SERVER\owa (Default Web Site)'
New-OwaVirtualDirectory -InternalUrl 'https://$FQDN/owa' -WebSiteName 'Default Web Site'
@jkullick
jkullick / exchange-move-mailbox-database.md
Last active July 29, 2016 11:59
Move Mailbox to other Exchange Database 
New-MoveRequest -Identity '$USER' -TargetDatabase '$DATABASE'
@jkullick
jkullick / exchange-export-pst.md
Last active July 29, 2016 12:01
Export .pst in Exchange
  1. Create request:
New-MailboxExportRequest -Mailbox $ALIAS -FilePath \\$PATH_TO_PST`
  1. Check request status:
Get-MailboxExportRequest
@jkullick
jkullick / exchange-set-max-message-size.md
Last active July 29, 2016 12:01
Set Max Message Size in Exchange 
Set-TransportConfig -MaxReceiveSize 50MB -MaxSendSize 50MB
@jkullick
jkullick / mysql-basic-operations.md
Last active July 29, 2016 12:02
MySQL Basic Operations (Insert, Update, Delete) 
INSERT INTO `$TABLE` (`$FIELD_X`, `$FIELD_Y`, `$FIELD_Z`) VALUES ('$VALUE_X', '$VALUE_Y', '$VALUE_Z');
UPDATE `$TABLE` SET `$FIELD_X`='$VALUE_X', `$FIELD_Y`='$VALUE_Y', `$FIELD_Z`='$VALUE_Z' WHERE `$FIELD_ID`=$X;
DELETE FROM `$TABLE` WHERE `$FIELD_ID`=$X;
@jkullick
jkullick / myql-create-database-user.md
Last active July 29, 2016 12:02
Create MySQL Database and User 
CREATE DATABASE $DATABASE CHARACTER SET utf8 COLLATE utf8_general_ci;
CREATE USER $USER@localhost IDENTIFIED BY '$PASSWORD';
GRANT ALL PRIVILEGES ON $DATABASE.* TO $USER;
FLUSH PRIVILEGES;
@jkullick
jkullick / ssl-generate-dhparam.md
Last active July 29, 2016 12:03
Generate SSL dhparam 
openssl dhparam -out /etc/ssl/certs/dhparam.pem 4096