

Infraestructura como código
En este nuevo artículo me gustaría explicar que es infraestructura
como código (IAC), pero primero definamos a que nos referimos cuando
hablamos sobre infraestructura.
Cuando hablamos de infraestructura nos referimos en este caso, a un
servidor(vps) , dominios, redes privadas. etc.
Definición
El concepto de infraestructura como código no es más que la forma de
automatización de nuestra infraestructura a través de código .
Puede que tu seas un freelance o trabajes en una compañía, en la que
constantemente se hace deploy de nuevas aplicaciones.
Imagina tener que estar creando un servidor(vps), agregando las llaves
ssh, creando un record A, load balancers, continuar con la instalación y
configuración de nginx ,mysql docker, php, etc. Todo esto cada vez que
tengas que hacer deploy de una nueva aplicación.
Este es un proceso en el que muchas veces se le dedica tiempo
innecesario.
Es por ello que muchas veces, es mejor encontrar o crear una solución para la automatización en este tipo de procesos.
Para poder trabajar o usar infraestructura como código, lo único que
tenemos que hacer es bien, crear nuestro propio script, o bien usar
alguna herramienta de un tercero.
Usualmente cuando trabajamos con infraestructura como código,
independiente de la herramienta que usamos, siempre trabajamos con algún
lenguaje para la descripción de la configuración, pudiendo ser json,
yaml o algún nuevo lenguaje propio del software (domain-specific
language ). dentro del archivo de configuración, es donde definiremos
todo los componentes necesarios para crear nuestra infraestructura,
variando de sintaxis entre los diferentes softwares que podemos usar.
Cabe mencionar que, usualmente este tipo de software nos permite,
configurar a nuestra infraestructura, de una manera muy detallada,
dependiendo del tipo de proveedor que elijamos , por ejemplo, poder
configurar redes privadas, sistema operativo, podemos agregar dominios,
subdominios , agregar nuestra claves ssh, elegir el datacenter etc. Algo
interesante es que, podemos agregar y ejecutar scripts dentro del vps
durante la construcción, esto para poder configurar dentro todo el
software.
Aunque de igual forma, tenemos otro concepto llamado configuración
como código (CaC)
Qué es exactamente el mismo concepto, pero este está orientado a la
configuración del software dentro de la infraestructura(vps), por
ejemplo la instalación y configuración de nginx, docker, ruby etc. Sin
embargo muchas veces los mismos proveedores (IaC) tienen la misma
funcionalidad o su funcionalidad es intercambiable.
Ventajas y desventajas.
Dentro de las ventajas como hemos mencionado es el de elaborar una
plantilla que podemos re-utilizar múltiples veces, eliminando la
necesidad de realizar configuraciones manuales. Esta sería, la principal
y más importante característica de este tipo de software.
Ya que con ello podemos hacer la replicación de la misma configuración,
para diferentes entornos, para testing, QA, producción, desarrollo, etc.
Otra ventaja que podemos encontrar es que usualmente este tipo de
software es del tipo agnóstico lo que quiere decir que no importa, el
proveedor en donde estés configurando nuestra infraestructura, pudiendo
ser digital ocean, amazon web services, azure, e inclusive virtualbox.
Una desventaja que podemos encontrar es quizá el tiempo que le
dedicamos en configurar nuestro archivo de configuración, así mismo, el
tener que modificar el archivo si es que agregamos una nueva tecnología o
configuración a nuestra infraestructura.
Lista de software para IaC y CaC
Debajo vemos una lista con varios de los proveedores de infraestructura y configuración como código más sobresalientes.
Cada uno de ellos comparten cierta similitud, en cuanto a configuración.
- Terraform
- Chef
- Puppet
- Ansible
- SaltStack
Conclusión
La automatización es sin duda una de las mejores cosas que podemos
hacer para ahorrar tiempo y muchas veces recursos.
El uso de IaC, dentro de una empresa o de manera independiente trae
muchas ventajas a largo plazo. Este concepto de IaC no es para nada
nuevo, es un concepto de muchos años. De hecho muchos autores. hacen
referencia a que este concepto fue la base de la cual ha surgido toda
esta tendencia del devops.
Espero que este pequeño artículo te haya servido, o te haya incentivado a
investigar más sobre el tema, y tal vez a aprender una nueva
tecnología.


Comments: 68,257
Steroids are drugs that mimic sure natural hormones in the physique that regulate
and control how the physique works and develops.
There are two primary teams of pure steroids – anabolic steroids and corticosteroids.
It is the anabolic steroids that tend to be misused,
mainly as a outcome of they’re much like the male hormone testosterone and they can improve endurance and efficiency
and stimulate muscle progress. Similar to anabolic steroids, human progress hormone (HGH) can be a controlled substance in the United States.
The use, possession, and distribution of HGH without a legitimate prescription is against the
law.
Nonetheless, the draw back to water retention is that the muscle
tissue look easy, and their definition is decreased.
Bloating is a standard side effect we see with Anadrol, especially in excessive doses
or when taken at the facet of a high-sodium diet. However, bodybuilders shouldn’t have any reason to
go above 100 mg per day, as muscle and weight positive aspects largely remained the
identical between the 100 mg and a hundred and fifty mg
teams on this examine. Anecdotally, we find that 18 lbs of lean muscle is widespread for a first-time 6-week cycle
of Anadrol. There are totally different classes of steroids that
can be found in stores, or on-line.
They decrease irritation in the body and can also work as immunosuppressants and
vasoconstrictors. Speak together with your physician about
another medications, supplements, and herbal
cures you at present take to prevent potential interactions with steroids.
Thanks to high-profile cases of illicit misuse in sports activities, steroids have turn into synonymous with cheating.
Nevertheless, steroids are additionally pharmaceuticals that
can be used to deal with a wide range of common conditions.
The scientific neighborhood should intensify its efforts to
assess the pathophysiology of conduct and cognitive impairment because of long term AAS exposure.
The half-life of Dianabol is roughly 3-6 hours; thus, utilizing the very best
value (being 6), we are able to calculate that all of the methandrostenolone may have left the body after 33 hours.
It’s unknown exactly why Chris did this; nevertheless, his spouse Nancy filed for divorce in 2003 after
suspected domestic abuse left her fearing for her life
(29). The frequent retinoids applied are adapalene, tretinoin, and tazarotene.
These could be bought on-line or over the counter,
and not using a prescription.
Anabolic steroids are often injected right into a muscle or taken by mouth as
tablets, however in addition they come as lotions or gels that are applied to the pores
and skin. Don’t overlook, you also want a prescription or
to know the best person in order to get your arms on these substances.
The usually accepted dose is 10 to 50mg daily depending on tolerance.
Nevertheless it is probably to offer you headaches, despair, elevated irritability, sexual
issues and even fluid retention.
Nonetheless, it’s unlawful to possess, import or export
anabolic steroids if it’s believed you are supplying or selling them.
This signifies that supplying another person,
even your friends, can get you as a lot as 14 years in jail, an unlimited
fine or both. The majority of people that misuse steroids are male weightlifters in their 20s or 30s.
It is tough to measure steroid misuse within the Usa as a outcome
of many national surveys do not measure it.
Nevertheless, Success stories featuring Anavar users can expertise more muscle and energy features through the latter levels of a cycle.
As injectable Dianabol can take longer to have an impact, customers may need to enhance the period of their
cycles. Gym-goers and bodybuilders seeking even bigger muscle positive aspects commonly take larger doses, ranging from 30 to
50 mg per day. Elite bodybuilders (IFBB pros) could take
up to a hundred mg; nevertheless, the danger of developing
side effects is excessive with such mega doses.
These products are often paired with a diet that is excessive in protein, low in carbs
and fat. The use of anabolic steroids for muscle progress and athletic efficiency, then again, isn’t thought-about a authorized or safe use of this drug.
The excessive doses of steroids taken for such purposes, in addition to the shortage of oversight by a medical skilled, can lead to a
extensive range of great side effects. The dosage for oxandrolone is 2.5 mg–20
mg, two to 4 times daily, administered orally.
They’re man-made variations of testosterone, a male sex hormone
that helps construct greater muscle tissue.
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Sadly, pre-AAS testosterone ranges in these people are largely unavailable,
therefore a causal relationship between steroid abuse and persistent gonadal dysfunction can’t be established generally.
A current case-control study suggested full restoration of
gonadal function in all 31 past users, albeit this will take years after
stopping anabolic steroids (19). To date, it cannot be excluded
that irreversible injury to gonadal perform is often a result
of AAS abuse. The structural adjustments to testosterone by medicinal chemists
were designed to enhance the protein anabolic effect relative to the androgenic impact.
Sadly, the anabolic effects could not be divorced totally
from the androgenic results, although some synthetic steroids present a remarkable
dissociation, a minimal of based on the myotrophic–androgenic
index.
DHT was unable to induce MSTN expression in 12-week old AR knockout mice but was able to reverse an ORX-instigated decrease in MSTN expression (8).
Expression of Pax7 following DHT administration in C2C12 myoblasts was low two days post-administration but increased to peak values 4 days post-administration (6).
ND considerably re-established Notch1 expression in response to
a hindlimb unloading condition in adult mice (3). ND considerably decreased MuRF-1 and REDD1 expression by 60% and 37%, respectively, in eight-week-old male
C57BL/6 mice, with vital reductions in MuRF1 expression at days 35 and fifty six post-denervation in male Wistar rats (39, 43).
However, ND did not have an effect on MuRF1 expression in sham denervated muscle of male Wistar rats
(43).
“Stacking”, one of the methods employed, entails the usage
of multiple AAS in order to decrease doses of every substance and
their antagonistic results [47]. A frequent prevalence is
the simultaneous administration of AAS and growth hormone (GH).
It is estimated that one in each four sportsman takes
both these medicine [48–49]. Thus, this review aimed to discover
the newest evidence on the mechanisms of motion, antagonistic results, medical society tips, and the prevalence of abuse of anabolic substances amongst ladies.
With some experience, abusers of anabolic steroids are simply noticed based on bodily look.
A short dialog with such a person in the gym often suffices to retrieve details about the local supplier.
Though promoting and shopping for of AAS is prohibited in most international locations, the possibilities of being
caught are negligible. AAS, anabolic androgenic
steroids, AMH, anti-Müllerian hormone; DHEAS, dehydroepiandrosteronsulfate; FSH, follicle-stimulating hormone; LH,
luteinizing hormone; P-, plasma; S-, serum SHBG, sexual hormone-binding globulin.
With an estimated world lifetime prevalence fee of three.3% (6.4% for males and
1.6% for females) (2), nearly every practising physician will provide
take care of an AAS person sooner or later of their career.
Although, after all, the AAS user is not going to
necessarily disclose his use of AAS or present with
unwanted effects caused by it. This evaluate subsequently
offers a comprehensive overview of this class
of hormones’ basic pharmacology and unwanted effects.
All Through this review, we mention treatment options for a number of
side effects; these shouldn’t be considered strict recommendations,
as they’re largely a reflection of how AAS customers self-medicate or what is thought from the literature.
It stays debatable whether or not or not physicians ought to medically target
negative effects of AAS use. Obviously, discontinuing AAS could be the popular solution for virtually each
side impact. This could probably be inspired by patient education on the possible risks and addressing psychological points that keep AAS use, such as body dysmorphia
and addiction.
It can take as a lot as four months to restore the body’s pure testosterone ranges if taking high doses for an prolonged time frame 28.
The larger doses generally used in competitive athletics and strength sports activities are linked to an elevated risk
of unwanted facet effects and can’t be deemed secure (1).
Current screening guidelines by the Usa Preventative Providers Task
Force (USPSTF) advocate screening for dyslipidemia in men beginning at the age of 35, except they’ve an identifiable risk issue
for coronary artery illness [8]. In addition,
it is strongly recommended to screen for irregular blood glucose
levels in those who are overweight or have threat components for diabetes, also beginning at age forty [8].
Given the overall affiliation of athletes and optimum metabolic well being, it’s attainable that physicians
could decrease screening this affected person population.
We noted a excessive proportion of former AAS abusers exhibiting symptoms
suggestive of practical hypogonadism. We did not observe any associations between these signs and reproductive hormone
ranges. Earlier studies have proven supraphysiologic doses of testosterone (≥ 500 mg/week) occasionally induce hypomania or mania in wholesome younger men and that fast decreases in testosterone ranges can cause depressive signs and
decreased libido [32, 33]. The signs we observed
amongst former AAS abusers could have been a consequence of abrupt decreases in plasma androgens,
from supraphysiologic ranges to low or regular levels, following AAS withdrawal,
as opposed to specific plasma testosterone ranges.
To examine the side effects of AASs abuse on testicular cells, a number of animal studies
had been performed. Dohle et al. [78] showed that exogenous administration of
synthetic testosterone triggered a adverse alteration on the hypothalamic-pituitary axis, inhibiting the secretion of both Follicle-stimulating hormone (FSH) and luteinizing hormone
(LH). This mechanism could result in a decreased serum androgens focus and cause hypogonadotropic
hypogonadism with subsequent testicular atrophy.
Androgen motion is mediated by binding to androgen receptors (AR)
each in testis and in different tissues [79].
Inside Sertoli cells, the receptor activation will represent the
start impulse of spermatogenesis [78]. In rats’ testis, ARs are expressed in the somatic Leydig cells, in peritubular myoid
cells, and in Sertoli cells as nicely as in rete testis,
the epithelial cells of the epididymis, and prostate [80].
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Male-pattern hair loss, or androgenetic alopecia, is an androgenic condition par
excellence. In the Nineteen Forties, James Hamilton described how male-pattern baldness didn’t develop in castrated
males except they were administered testosterone (72).
Equally, it was later described that males born with 5α-reductase
(the enzyme answerable for conversion of testosterone into DHT) deficiency
never developed male-pattern hair loss either (73).
Pharmaceutical remedy of male-pattern hair loss exploits this observation by way of inhibition of 5α-reductase kind 2 with finasteride (74).
You can easily become psychologically depending
on anabolic steroid use (meaning you develop an elevated tendency to maintain taking the drug even in spite of attainable
harmful effects). It also raises the levels of the protein in purple blood cells that carries oxygen to the physique’s organs, called hemoglobin. Study extra concerning the effects that performance-enhancing medication can have on health.
If you had been questioning whether this steroid could be appropriate for cutting cycles, hopefully, this has now answered your question. You
can’t build muscle and rework your self right into
a monster if you are swallowing a pill, consuming junk,
and sitting in your backside many of the week.
Steroids corresponding to trenbolone, for instance, can current some really terrible unwanted effects that can probably be deadly.
What we’ll do, nonetheless, is educate our readers in order that they
know tips on how to use steroids in the absolute best way, in order to reduce back the dangers.
One steroid that is often missed on the earth of bodybuilding is Anabol,
which is why we’re offering an Anabol cycle information for you today.
PCT helps mitigate these opposed results by jumpstarting your physique’s ability to
produce testosterone once more. For those looking to pack on critical dimension, the mixture of Dianabol, Deca-Durabolin, and
testosterone could be an effective option. This stack supplies a potent anabolic surroundings while additionally selling joint support and restoration. Important medicines
to revive pure hormone production after cycles.
Expert Help Our staff consists of experienced specialists prepared
to assist with steroids choice and cycle planning. Ladies may also expertise hair loss or thinning when utilizing Anavar, particularly
if they’re genetically predisposed to hair loss. This may be one other distressing facet effect that may or might not reverse after discontinuing the steroid.
Still, it’s essential to verify out what dosage they’ve
used so you can decide how the dose would possibly affect your results and (lack of) unwanted aspect effects.
This allows us to achieve perception into how different individuals expertise
Anavar. As you presumably can see, estimating a easy loss
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Geriatric male patients handled with androgenic anabolic steroids may
be at an elevated threat for the event of prostate hypertrophy and prostatic carcinoma.
Anadrol is known for its capability to extend muscle mass and energy quickly.
It is often used in bulking cycles and has related anabolic results to Dianabol.
It promotes protein synthesis and nitrogen retention in muscle tissue, leading to fast muscle development.
Nonetheless, these features include potential health dangers and
side effects.
The draw back of Anavar is that it is rather costly, as a end result of issue in manufacturing this
compound and high demand. Therefore, the monetary value
of experiencing moderate features could be very excessive.
Come pianificare la fase di recupero post-ciclo con Deca Durabolin is a popular injectable bulking steroid, sometimes
used within the off-season.
Females looking at using Winstrol normally need to use it for
bulking, slicing, and/or contest prep. Like Anavar, females will be very conscious of Winny’s anabolic results, leading to substantial muscle progress (if the
food regimen helps it). Women will almost completely use
Winstrol in oral form solely as a end result of solely very low doses
are used, and this has a half-life of about 9 hours.
Different anabolic steroids may be taken orally and
have a more prolonged impact, so steroids such as
Anavar, Anadrol, or Winstrol shouldn’t be taken as regularly as
Dianabol. For instance, two or three pills of Anavar per day will provide nearly the
same effect as Dianabol, or even a higher one. We have discovered
that anabolic steroids, together with Anadrol, could cause insomnia in some users due to
excessive CNS stimulation. If you are a bodybuilder competing
in a natural show and so they conduct random testing,
they will be attempting to detect Anadrol, among different anabolic
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