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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...
TLDR:
hostname=XXX
port=443
trust_cert_file_location=`curl-config --ca`
sudo bash -c "echo -n | openssl s_client -showcerts -connect $hostname:$port -servername $hostname \
2>/dev/null | sed -ne '/-BEGIN CERTIFICATE-/,/-END...
What is the difference between sigaction and signal?
...uld use sigaction() but if I was writing from scratch, which should I choose?
9 Answers
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How to install psycopg2 with “pip” on Python?
...s. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI package instead, it has Python wheels for Linux and Mac OS.
pip install psycopg2-binary
Option 2
Install the prerequsisites for building the psycop...
How to find the installed pandas version
...IONS
------------------
commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-45-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmo...
Determining the last changelist synced to in Perforce
...
I recommend the opposite for automatic build systems: you should first get the latest changelist from the server using:
p4 changes -s submitted -m1
then sync to that change and record it in the revision info. The reason is as follows. Alth...
How can I find out if I have Xcode commandline tools installed?
...by running command gcc --version, which gives the gcc details. I am on Mac OS X 10.13.6.
– GAURAV SRIVASTAVA
Sep 26 '18 at 21:37
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How do I run a node.js app as a background service?
Since this post has gotten a lot of attention over the years, I've listed the top solutions per platform at the bottom of this post.
...
How to use ssh agent forwarding with “vagrant ssh”?
...y pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
...
How to copy text from Emacs to another application on Linux
... to M-w).
A system copy is what you typically get from pressing C-c (or choosing "Edit->Copy" in a application window).
An X copy is "physically" highlighting text with the mouse cursor.
An Emacs paste is the command yank (usually bound to C-y).
A system paste is what you typically get from press...
Viewing full version tree in git
... the part that is reachable from the currently checked out version. Is it possible?
5 Answers
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