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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...tgres:
http://www.postgresql.org/download/linux/debian/ (Wheezy 7.x)
as root …
root@www0:~# echo "deb http://apt.postgresql.org/pub/repos/apt/ wheezy-pgdg main" >> /etc/apt/sources.list
root@www0:~# wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key a...
How do popular apps authenticate user requests from their mobile app to their server?
...t run-time that your mobile app was not tampered with, is not running in a rooted device, not being instrumented by a framework like xPosed or Frida, not being MitM attacked, and this is achieved by running an SDK in the background. The service running in the cloud will challenge the app, and based ...
How to only find files in a given directory, and ignore subdirectories using bash
...directory below the one I'm working in on.
find /dev -maxdepth 1 -name "*.root" -type 'f' -size +100k -ls
Return nothing with '.' instead I get list of all 'big' files in my directory as well as the rootfiles/ directory where I store old ones.
Continuing. This works.
find ./ -maxdepth 1 -name "...
What is the smallest possible valid PDF?
...00010 00000 n
0000000053 00000 n
0000000102 00000 n
trailer<</Size 4/Root 1 0 R>>
startxref
149
%EOF
which is 291 bytes of PDF joy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec.
However, Acrobat X doesn'...
How do I change the number of open files limit in Linux? [closed]
...t limits could be set by any user while hard limits are changeable only by root.
Limits are a property of a process. They are inherited when a child process is created so system-wide limits should be set during the system initialization in init scripts and user limits should be set during user login...
Trying to SSH into an Amazon Ec2 instance - permission error
...have a user ubuntu
Amazon's AMI is ec2-user
most Debian images have either root or admin
To login, you need to adjust your ssh command:
ssh -l USERNAME_HERE -i .ssh/yourkey.pem public-ec2-host
HTH
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Strings as Primary Keys in SQL Database [closed]
...Good explanation. But holds this true for all SQL databases? I've heard of MySQL performance issues when using random UUID as primary key.
– hgoebl
Aug 27 '17 at 11:08
add a c...
上班狗来算算 你离财务自由还差多少钱？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...到底有多少，从而确定你需要多少被动收入。
3。如何实现财务自由？
Da Lang~重头戏来啦！
在计算出你实现财务自由的成本，即所需被动收入后，肿么实现呢？
首先，先算出你获得被动收入的本金是多少。然后咱们现以...
Generating v5 UUID. What is name and namespace?
... distinct logical namespaces using type 3 or type 5 UUIDs. First, create a root UUID for each namespace. This could be a type 1 (host+timestamp) or type 4 (random) UUID so long as you stash it somewhere. Alternatively you could create one random UUID for your root (or use the null UUID: 00000000-000...
What is the use of “assert” in Python?
... errors. The goal of using assertions is to let developers find the likely root cause of a bug more quickly. An assertion error should never be raised unless there’s a bug in your program.
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