As I didn’t get chance to have a play with the pre-release CentOS 7.0 builds I decided to wait until DigitalOcean ↗
their image ↗
Check the IP Address# First thing I did was type in ifconfig and got …..
First play with CentOS 7.0 1/5
[ - r b o a o s t h @ : s e i r f v c e o r n f ~ i ] g # : i c f o c m o m n a f n i d g n o t f o u n d
….. not a good start, have dabbled with a Fedora ↗
installed OpenShift I remembered about the ip command …..
First play with CentOS 7.0 2/5
[ 1 2 r : l i v i v : l i v i v o i n a n a i n a n a o l n e l e l e n e l e l t o k t i t i t k t i t i @ : / d 6 d h / d 6 d s l 1 _ _ 0 e 1 _ _ e < o 2 l : l : t 2 l f l r L o 7 f : f h 3 f e f v O p . t 1 t < e . t 8 t e O b 0 / B r 1 0 r P a . f 1 f R 2 f : f B c 0 o 2 o O f 3 o : o ~ A k . r 8 r A f . r f r ] C 1 e e D : 1 e e e # K 0 / v s v C f 2 v 8 v , 0 8 e c e A f 3 e 0 e i U : r o r S : . r : r p P 0 s p T f 1 f , 0 c p e p , f 2 p e p a L : o r r M : 3 r 8 r d O 0 p e h e U f / e 0 e d W 0 e f o f L f 2 f : f r E : e s e T : 4 e f e R 0 h r t r I f r e r _ 0 o r r C f b r 8 r U : s e e A : r e 0 e P 0 t d d S f d d : d > 0 _ _ T f _ f _ : l l l , 1 l e l m 0 o f f U b 2 f 8 f t 0 t t P r 3 t 0 t u , d . / b f f L 1 f 6 f 6 r o o O f 2 o 4 o 5 d r r W f 3 r r 5 e e E : . e s e 3 0 v v R f 1 v c v 6 0 e e _ f 2 e o e : r r U : 3 r p r q 0 P f . e d 0 > f 2 i : : 5 l s 0 m f 5 i c 0 t f n : u : s k n 0 f c o 0 1 f o q : 5 : p u 0 0 f e e 0 0 f u : g e 0 q l 0 d o s i b t s a a c l t e p e f t U i h N f 0 K o N _ O f W a N s t s t a t e U P q l e n 1 0 0 0
….. I can see a lot of muscle memory having to be re-learned.
Restarting services# Next up is a change I was expecting, the introduction of systemd ↗
First play with CentOS 7.0 3/5
[ L L R D = = I T = I T I I D h R R T R I C [ R r o o e → — → e = P = n h r = n o n s o t u u r u I V n h o r e o a a s p = a = s t a = s t s w t n n a n n e s t m o d o d d b e u o R F e = c = t t n = t a t t n p n n n n s r t t p o i t e i a x p l u i n = k = a p s = a l a h l d i i s i t i a p l t r @ d n s t d v n n d = a = l d a = l l i o - n n a n a f l d e @ e s g e r a i n P i e = g = l c = l d l s a 2 g g c g l y l . t s c e p : a t n i a s n = e = i x t = o e d . t l i e x e e t r l m s e g n c h c = = n 8 i = 1 w d o i 4 t t i t i n d 8 ! r i v u i m : s g k e i = A = g 6 o = n k n . r r o r n g : 6 v n e g r i : D a d e = r = : _ n = P l s g 6 a a n a g _ e g r i r r m e t g s = c = 6 = a o i [ – n n n : 6 r n o r i m p r e D = h = 4 S = c a z y p 1 s s t s : 4 t ~ s r o r i e a e R = = u = k d e / a 7 a a e a h ~ o ] : r r r n n h p e = V = 2 m = a : d c . c c s c h t 0 ] # s . o r d s t e s = e = . m = g s / k e t t t t t t : # / f p a r o e a t n o = r = 4 a = e i 9 N a l i i i t p 2 b y a e w . r n c p d l = s = . r = z . ] g 7 o o s o p d . s i u s e a a . c t d e v = i = 6 y = e 3 : e . n n u n d - 4 e n m t d n w a i i . n e = o = – = : s c c - 2 . r / e s t a w e o x c d = n = 1 = M y : e c t c 2 . 6 s i s i n a s n 8 y = = 7 = 2 n h e e . 4 – i y n t f . t n 6 = R = . = . t e s e 4 . 1 c s s m r c i t c _ R = e = e = 7 o c t d . 6 7 e t t i o o . i h 6 e = p = l = s k e 6 – . e a r m m c . e 4 s = o = 7 = M . d – 1 e h m l r o c c o = s = . = 1 1 7 l t c l o c m o k 0 l = i = c = . 7 . 7 t t r a m : u = t = e = x . e . p l h c 2 t = o = n = 8 e l c d t h . i = r = t = 6 l 7 e r t e 4 o = y = o = _ 7 . n r e p d . n = = s = 6 . c t e s d 6 = S = . = 4 c e o s t h – = i = 1 = . e n s t a o 1 = z = = r n t . a r s 7 = e = b = p t o 1 r t t . = = a = m o s t f e = = s = s . h i l = = e = | . 1 t l 7 = = = 1 . t e . = = 2 = 2 . x p c = = . = . x 8 d e = = 7 = 7 8 6 . n = = = 6 _ s t = = M = M _ 6 e o = = = B 6 4 r s = = = 4 v . = = = 0 1 i 1 = = = 0 1 c = = = : 1 e w = = = 0 1 i = = = 0 l = = = : l = = = 0 = = = 1 b = = = e = = = = = = i = = = n = = = s = = = t = = = a = = = l = = = l = = = e = = = d = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = …. as you can see it did what I asked, but dropped some hints that I should have used systemctl restart httpd. What would systemctl status httpd give us …..
First play with CentOS 7.0 4/5
[ h J J r t L A P M S C ├ ├ ├ ├ ├ └ u u o t o c r a t G ─ ─ ─ ─ ─ ─ l l o p a t o i a r 2 2 2 2 2 2 t d d i c n t o 1 1 1 1 1 1 1 1 @ . e v e u u 6 6 6 6 6 6 3 3 s s d e s P s p 6 6 6 6 6 6 e e : : s I : : 1 3 4 5 6 7 1 1 r r : D 3 3 v v l a : “ / / / / / / / : : e i o c 2 P s u u u u u u 2 2 r c a t 1 2 r y s s s s s s 4 4 e d i 6 1 o s r r r r r r : : ~ e v 5 6 c t / / / / / / 4 4 ] — d e 6 6 e e s s s s s s 5 5 # 1 s m b b b b b b T ( E s . i i i i i i s s s h / r x ( i s n n n n n n e e y e u u e h n l / / / / / / r r s s n c t g i h h h h h h v v t A r n S t c t t t t t t e e e p / i t p r e t t t t t t r r m a l n o d e / p p p p p p . . c c i g p ) q h d d d d d d d d t h b ) = u t o o l e / / e t - - - - - - m m s s b s p D D D D D D a a s H y i i t d F F F F F F i i t T s n n s . O O O O O O n n a T t c / … s R R R R R R . . t P e e k ” e E E E E E E c c u m i r G G G G G G o o s S d S l v R R R R R R m m e / u l i O O O O O O h r s n c U U U U U U s s t v y - e N N N N N N y y t e s 2 W D D D D D D s s p r t 0 I t t d e 1 N e e m 4 C m m / – H d d h 0 [ [ t 7 $ 1 1 t – { ] ] p 1 M : : d 3 A . I S S s 1 N t t e 3 P a a r : I r r v 2 D t t i 4 } i e c : n d e 4 ( g ; 5 c T o T h d E d h e i D e e s T = A a ; e A p b x p a l 4 i a c e s t c h d e h e ) a d e g , H o H T s T T t T P a P t S u S e s e r = r v 0 v e / e r S r . U … C C E S S )
….. now thats a lot more useful that what serivce httpd status used to give.
Other highlights & changes# Version number# The initial release of CentOS 7.0 is actually 7.0–1406 (see the numbering part of this notice ↗
New Kernel# CentOS 7.0–1406 ships with 3.10.0–123, which is alot better than the previous 2.6.x kernel which shipped with CentOS 6
FirewallD# CentOS now comes with FirewallD, I can’t say I have ever used it before so more reading ↗
needed ↗
XFS# XFS is now the default file system when you install, though DigitalOcean ↗
Linux Containers# Docker (which I have written about here , here and here ) is now fully support out of the box with no need to install EPEL ↗
First play with CentOS 7.0 5/5
[ d d r o o o c c o k k t e e @ r r s . - e x r r 8 e v 6 g e _ i r 6 s 4 t ~ r ] 0 y # . . 1 n y 1 o u . a m 1 r – c l 2 h i 2 s . 0 t e . l 6 | 7 . . 8 g c – r e 8 e n . p t e o l d s 7 o c e e k x x e t t r r r a a s s
Other software# Some changes to later software across the board, here are the highlights ……
PHP ↗
Apache ↗
Ruby ↗
Python ↗
Go ↗
MySQL ↗
MariaDB ↗
PostgreSQL ↗
