ivaliullinbars

Installing gcc 4.8 and Linuxbrew on CentOS 6

The GCC distributed with CentOS 6 is 4.4.7, which is pretty outdated. I'd like to use gcc 4.8+. Also, when trying to install Linuxbrew you run into a dependency loop where Homebrew's gcc depends on zlib, which depends on gcc. Here's how I solved the problem.

Note: Requires sudo privileges.

Resources:

http://superuser.com/a/676337/88393: Forum response on using CERN's open Scientific Linux distribution of RHEL's developer toolset.
http://linux.web.cern.ch/linux/devtoolset/: CERN's developer toolset installation instructions.

Importing and exporting CSV files with PostgreSQL

Let’s see how to use PostgreSQL to import and export CSV files painlessly with the COPY command.

Import CSV into table t_words:

COPY t_words FROM '/path/to/file.csv' DELIMITER ',' CSV;

You can tell quote char with QUOTE and change delimiter with DELIMITER.

	openssl x509 -in cert.crt -text

	# To open a DER certificate:
	openssl x509 -in cert.crt -inform DER -text

	# To display pkcs12 certificate information:
	openssl pkcs12 -in cert.crt -info

	-- copied from https://www.veritas.com/support/en_US/article.100020849.html

	-- create backup user in oracle 11g
	-- in oracle 12c only need grant SYSBACKUP privilege
	-- https://www.veritas.com/support/en_US/article.100020849.html
	CREATE USER BACKUP IDENTIFIED BY ORACLE;
	-- (BACKUP is the account name and ORACLE is the password in this example.)
	GRANT UNLIMITED TABLESPACE TO BACKUP;
	GRANT AQ_ADMINISTRATOR_ROLE TO BACKUP;
	GRANT SYSDBA TO BACKUP;

	Decoding the data in /proc/net/tcp:

	Linux 5.x /proc/net/tcp
	Linux 6.x /proc/PID/net/tcp

	Given a socket:

	$ ls -l /proc/24784/fd/11
	lrwx------ 1 jkstill dba 64 Dec 4 16:22 /proc/24784/fd/11 -> socket:[15907701]

	#!/bin/bash
	set -e
	set -o pipefail

	# Add user to k8s using service account, no RBAC (must create RBAC after this script)
	if [[ -z "$1" ]] \|\| [[ -z "$2" ]]; then
	echo "usage: $0 <service_account_name> <namespace>"
	exit 1
	fi

	https://github.com/chef/bento
	https://github.com/gildas/packer-windows
	https://github.com/joefitzgerald/packer-windows
	https://github.com/ruzickap/packer-templates

	windows templates
	Before start build windows templates, you need download and unpack Windows VirtIO Drivers to ./virtio path in this repo

	gdb postgres PID
	printf “%s\n”, debug_query_string
	printf "%s\n", debug_query_string

	[Default Applications]
	x-scheme-handler/http=chromium.desktop;
	x-scheme-handler/https=chromium.desktop;
	x-scheme-handler/ftp=chromium.desktop;
	x-scheme-handler/chrome=chromium.desktop;
	application/x-extension-htm=chromium.desktop;
	application/x-extension-html=chromium.desktop;
	application/x-extension-shtml=chromium.desktop;
	application/x-extension-xhtml=chromium.desktop;
	application/x-extension-xht=chromium.desktop;