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Trying to SSH into an Amazon Ec2 instance - permission error
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This command + ssh -i YOUR_PEM_FILE.pem ec2-user@YOUR_IP fixed the issue. Maybe this should be the accepted answer...
– c4k
Apr 24 '14 at 18:07
add a comm...
Using node.js as a simple web server
...ecially useful when testing adaptive web sites. Open your HTML page on multiple browsers/window sizes/devices. Save your HTML page and instantly see if your adaptive stuff is working as they all auto refresh.
PhoneGap Developers
If you're coding a hybrid mobile app, you may be interested to know t...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
... the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/working.
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Datatables - Search Box outside datatable
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Default with search input in its own div:
sDom: '<"search-box"r>lftip'
If you use jQuery UI (bjQueryUI set to true):
sDom: '<"search-box"r><"H"lf>t<"F"ip>'
The above will put the search/filtering input element into it's own div with a class named search-box that is out...
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
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MQTT的发明人是IBM的Andy Stanford-Clark(右)和Arcom的Arlen Nipper（现为Eurotech的CTO）。
2009年MQTT协议诞生10周年生日发明起因TCP协议和MQTT协议的设计都与卫星通信有着直接的联系。1972年时，Kahn在IPTO公司参与了一个卫星通信网络项...
Access denied for user 'test'@'localhost' (using password: YES) except root user
...ger exists.
My problem showed up when we changed the wildcard host (%) to IP specific, making the database more secure. Unfortunately there are some views that are still using 'user'@'%' even though 'user'@'172....' is technically correct.
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain sockets.
Your OS supports Unix domain sockets, but PostgreSQL's Unix socket that psql needs either doesn't exist or is in a different location than it expects.
Specif...
Convert line-endings for whole directory tree (Git)
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Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
How can I generate a self-signed certificate with SubjectAltName using OpenSSL? [closed]
...sage to the following under [ v3_ca ]:
keyUsage = digitalSignature, keyEncipherment
digitalSignature and keyEncipherment are standard fare for a server certificate. Don't worry about nonRepudiation. It's a useless bit thought up by computer science guys/gals who wanted to be lawyers. It means not...
How to test an Internet connection with bash?
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Ping your default gateway:
#!/bin/bash
ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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