View pg_connect
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#!/bin/bash | |
umask 077 | |
if [ "$1" == "" ] | |
then | |
echo "Usage: pg_connect SSH_HOST psql_options" | |
fi | |
ssh_host=$1 | |
shift |
View gist:c9592c70f555c8d8fc06564fc6afdbdb
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The full traceback is: | |
File "/tmp/ansible_apt_repository_payload_jj6wzfp1/ansible_apt_repository_payload.zip/ansible/modules/packaging/os/apt_repository.py", line 548, in main | |
File "/usr/lib/python3/dist-packages/apt/cache.py", line 562, in update | |
raise FetchFailedException(e) | |
fatal: [vger]: FAILED! => { | |
"changed": false, | |
"invocation": { | |
"module_args": { | |
"codename": null, |
View gist:dcb2cf17b4d8347e0ef0561e0c9b544e
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MariaDB [test]> create table t1 (id int unsigned not null auto_increment primary key); | |
Query OK, 0 rows affected (0.027 sec) | |
MariaDB [test]> create table t2 (id int unsigned not null auto_increment primary key, t1_id int unsigned not null, foreign key(t1_id) references t1(id)); | |
Query OK, 0 rows affected (0.040 sec) | |
MariaDB [test]> insert into t2 (t1_id) values (1); | |
ERROR 1452 (23000): Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`t1_id`) REFERENCES `t1` (`id`)) | |
MariaDB [test]> set foreign_key_checks=0; | |
Query OK, 0 rows affected (0.000 sec) |
View fragment.json
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"source_ami_filter": { | |
"filters": { | |
"virtualization-type": "hvm", | |
"name": "CentOS Linux 7 x86_64 HVM EBS ENA 1901*", | |
"root-device-type": "ebs" | |
}, | |
"owners": [ | |
"679593333241" | |
], | |
"most_recent": true |
View gist:1444eec126046f4fc9b204ef7828b50c
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root@ip-172-18-21-22:~# dd if=/dev/zero of=myxfs bs=1 count=0 seek=2G | |
0+0 records in | |
0+0 records out | |
0 bytes copied, 0.000199112 s, 0.0 kB/s | |
root@ip-172-18-21-22:~# mkfs.xfs myxfs | |
meta-data=myxfs isize=512 agcount=4, agsize=131072 blks | |
= sectsz=512 attr=2, projid32bit=1 | |
= crc=1 finobt=1, sparse=0, rmapbt=0, reflink=0 | |
data = bsize=4096 blocks=524288, imaxpct=25 | |
= sunit=0 swidth=0 blks |
View volumes.txt
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----------52.48.95.74-------- | |
total 0 | |
lrwxrwxrwx 1 root root 13 May 10 16:25 nvme-Amazon_Elastic_Block_Store_vol01f9d4a5c1497535d -> ../../nvme0n1 | |
lrwxrwxrwx 1 root root 13 May 10 16:25 nvme-Amazon_Elastic_Block_Store_vol0c83712f171fc4151 -> ../../nvme1n1 | |
lrwxrwxrwx 1 root root 15 May 10 16:25 nvme-Amazon_Elastic_Block_Store_vol0c83712f171fc4151-part1 -> ../../nvme1n1p1 | |
lrwxrwxrwx 1 root root 13 May 10 16:25 nvme-nvme.1d0f-766f6c3031663964346135633134393735333564-416d617a6f6e20456c617374696320426c6f636b2053746f7265-00000001 -> ../../nvme0n1 | |
lrwxrwxrwx 1 root root 13 May 10 16:25 nvme-nvme.1d0f-766f6c3063383337313266313731666334313531-416d617a6f6e20456c617374696320426c6f636b2053746f7265-00000001 -> ../../nvme1n1 | |
lrwxrwxrwx 1 root root 15 May 10 16:25 nvme-nvme.1d0f-766f6c3063383337313266313731666334313531-416d617a6f6e20456c617374696320426c6f636b2053746f7265-00000001-part1 -> ../../nvme1n1p1 | |
----------34.254.163.177-------- | |
total 0 |
View userdata.yml
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#cloud-config | |
fs_setup: | |
- label: docker | |
device: /dev/nvme0n1 | |
filesystem: xfs | |
partition: none | |
overwrite: false | |
extra_opts: ['-n', 'ftype=1', '-l', 'size=256m', '-b', 'size=4096', | |
'-s', 'size=4096', '-m', 'crc=1,finobt=1,rmapbt=1,reflink=1', | |
'-i', 'sparse=1'] |
View gist:1b703dd4b54157f7cb71b0ff913a5b6f
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- name: check metadata endpoint | |
uri: | |
url: http://169.254.169.254/latest/meta-data/ | |
timeout: 1 | |
return_content: yes | |
register: _nmiac_metadata | |
changed_when: no | |
check_mode: no | |
failed_when: no |
View volumes.yml
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volumes: | |
docker: | |
type: xfs | |
mount: /srv/docker | |
mount_options : defaults | |
mkfs_options: -s size=4096 -b size=4096 -m crc=1,finobt=1,rmapbt=1,reflink=1 -l size=128m -i sparse=1 | |
devices: | |
- 'volume:docker-enc' | |
docker-enc: | |
type: luks2 |
View ssh-keygen sign keys with private key stored in agent
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ssh-add -t 300 $ca_private_key_file # key will be available in agent for 5m | |
ssh-keygen -s $ca_private_key_file -U -I $host_identity_sring -n $hostname -h -V +52w $public_host_key |
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