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How does the Amazon Recommendation feature work?
...s added to carts but abandoned.
Pricing experiments online (A/B testing, etc.) where they offer the same products at different prices and see the results
Packaging experiments (A/B testing, etc.) where they offer different products in different "bundles" or discount various pairings of items
W...
nginx missing sites-available directory
... virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory.
3 Answers
...
What is the minimum I have to do to create an RPM file?
...inary "foobar", with only a couple of dependencies. It has a config file, /etc/foobar.conf and should be installed in /usr/bin/foobar.
...
OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ting-x86_64/openssh-6.6.1p1-4.gf.el6.x86_64.rpm.html
备份原有源
cd /etc/yum.repos.d/
mv rhel-source.repo rhel-source.repo.bak
mv packagekit-media.repo packagekit-media.repo.bak
配置源
vi CentOS-Base.repo
[base]
name=CentOS-$releasever - Base - mirrors.aliyun.com
failovermethod=pr...
How do I parse command line arguments in Bash?
...n argument) (without getopt[s])
Usage demo-space-separated.sh -e conf -s /etc -l /usr/lib /etc/hosts
cat >/tmp/demo-space-separated.sh <<'EOF'
#!/bin/bash
POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-e|--extension)
EXTENSION="$2"
shift # past argument
s...
Where is the Java SDK folder in my computer? Ubuntu 12.04
... steps to get Java directory
Step 1:
$ whereis java
java: /usr/bin/java /etc/java /usr/share/java
That tells the command java resides in /usr/bin/java.
Dig again:
Step 2:
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 22 2009-01-15 18:34 /usr/bin/java -> /etc/alternatives/java
So, now we k...
How to stop and restart memcached server?
...
Using root, try something like this:
/etc/init.d/memcached restart
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sendmail: how to configure sendmail on ubuntu? [closed]
...are located at the following (in case you want to update them manually):
/etc/mail/sendmail.conf
/etc/cron.d/sendmail
/etc/mail/sendmail.mc
You can test sendmail to see if it is properly configured and setup by typing the following into the command line:
$ echo "My test email being sent from sen...
Spring Boot application as a Service
...al /var/log directory by default.
You just need to symlink your jar into /etc/init.d like so
sudo link -s /var/myapp/myapp.jar /etc/init.d/myapp
OR
sudo ln -s ~/myproject/build/libs/myapp-1.0.jar /etc/init.d/myapp_servicename
After that you can do the usual
/etc/init.d/myapp start
Then set...
How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
...eta-package.
Once all PostgreSQL packages have been removed, run:
rm -r /etc/postgresql/
rm -r /etc/postgresql-common/
rm -r /var/lib/postgresql/
userdel -r postgres
groupdel postgres
You should now be able to:
apt-get install postgresql
or for a complete install:
apt-get install postgresql-...