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psql: FATAL: Peer authentication failed for user “dev”

...0.0.1 -d db_name where -U is the database user name -h is the hostname/IP of the local server, thus avoiding Unix domain sockets -d is the database name to connect to This is then evaluated as a "network" connection by Postgresql rather than a Unix domain socket connection, thus not evaluated ...
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Find all storage devices attached to a Linux machine [closed]

...s such as EC2 xvda devices. Here is a dump for a m1.large instance: root@ip-10-126-247-82:~# fdisk -l Disk /dev/xvda1: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / ...
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Copying PostgreSQL database to another server

... to work compressed you can use a compressed tunnel pg_dump -C dbname | bzip2 | ssh remoteuser@remotehost "bunzip2 | psql dbname" or pg_dump -C dbname | ssh -C remoteuser@remotehost "psql dbname" but this solution also requires to get a session in both ends. Note: pg_dump is for backing up...
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How do you make sure email you send programmatically is not automatically marked as spam?

...he DNS information for your site. Check your reverse DNS to make sure the IP address of your mail server points to the domain name that you use for sending mail. Make sure that the IP-address that you're using is not on a blacklist Make sure that the reply-to address is a valid, existing address....
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网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...“http://zh.wikipedia.org/wiki/%E6%98%A5%E8%8A%82”。也就是说,IE自动将“春节”编码成了“%E6%98%A5%E8%8A%82”。 我们知道,“春”和“节”的utf-8编码分别是“E6 98 A5”和“E8 8A 82”,因此,“%E6%98%A5%E8%8A%82”就是按照顺序,在每个字节...
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Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术

...释放对该对象的所有权时,其所管理的的对象的内存才被自动释放。在共享对象的访问权限同时,也实现了其内存的自动管理。 boost::shared_ptr的内存管理机制: boost::shared_ptr的管理机制其实并不复杂,就是对所管理的对象进行...
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c语言编程中%g是什么格式? - C/C++ - 清泛网 - 专注C/C++及内核技术

...中%g是什么格式?%g用来输出实数,它根据数值的大小,自动选f格式或e格式(选择输出时占宽度较小的一种),且不输出无意义的0。即%g是根据结果自动选择科学...%g用来输出实数,它根据数值的大小,自动选f格式或e格式(选...
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CentOS系统下如何挂载第2块磁盘 - 更多技术 - 清泛网 - 专注C/C++及内核技术

.../home下 #mount /dev/sdb1 /home 5、 设置开机启动自动挂载 新创建的分区不能开机自动挂载,每次重启机器都要手动挂载。 设置开机自动挂载需要修改/etc/fstab文件 #vi /etc/fstab 在文件的最后增加...
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How to change XAMPP apache server port?

... Yes its working in localhost:8012 but when i trying remotely with my ip address my-ip-address:8012 getting page not found error. – Sathishkumar Jul 2 '12 at 15:14 1 ...
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What is a web service endpoint?

...can be accessed by a client application. The same web service can have multiple endpoints, for example in order to make it available using different protocols. share | improve this answer |...