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top
atop
Es posible consultar el registro de un día en particular, por ejemplo qué procesos estaban consumiendo mayor acceso a disco el 24/01/2014 en el servidor tempranillo entre las 10 y 12hs:
ssh tempranillo atop -r /var/log/atop/atop_20140121 -b 10:00 -e 12:00 -D | head -30
htop
iftop
iotop
ssh malbec 'sudo iotop -b -o -n 2 -d 5'
Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND 1552 be/4 root 0.00 B/s 815.89 B/s 0.00 % 0.00 % syslogd
ioping
ioping -c 5 /mnt/data
mon
monit
munin
mtr
mtr -r -c 5 -n osiux.com
HOST: amaretto Loss% Snt Last Avg Best Wrst StDev 1.|-- 192.168.10.3 0.0% 5 0.2 0.2 0.2 0.2 0.0 2.|-- 10.29.64.1 0.0% 5 7.3 7.3 6.9 8.0 0.4 3.|-- 181.47.254.17 0.0% 5 8.4 8.4 7.1 9.8 1.0 4.|-- 208.178.195.210 0.0% 5 9.4 10.1 8.8 11.9 1.4 5.|-- 208.178.195.209 0.0% 5 7.5 7.8 7.0 9.1 0.9 6.|-- 67.16.142.93 0.0% 5 171.9 175.3 170.2 192.6 9.7 7.|-- 204.93.144.25 0.0% 5 171.4 178.4 171.4 201.7 13.1 8.|-- 204.93.204.153 40.0% 5 173.3 174.2 173.3 174.6 0.8 9.|-- 50.31.170.122 0.0% 5 180.6 180.9 179.6 183.6 1.6 10.|-- 206.217.137.250 0.0% 5 181.1 182.3 179.5 188.5 3.6 11.|-- 96.8.118.251 20.0% 5 178.4 178.0 176.9 178.7 0.8 12.|-- 96.8.118.129 20.0% 5 181.5 182.2 181.5 183.0 0.6
sysstat
vnstat
top 10
ssh osiux 'vnstat -i venet0 -t'
venet0 / top 10 # day rx | tx | total | avg. rate -----------------------------+-------------+-------------+--------------- 1 03/19/13 4.09 GiB | 64.21 GiB | 68.30 GiB | 6.63 Mbit/s 2 03/20/13 930.99 MiB | 23.57 GiB | 24.48 GiB | 2.38 Mbit/s 3 11/09/13 3.58 GiB | 18.64 GiB | 22.23 GiB | 2.16 Mbit/s 4 03/26/13 1.02 GiB | 18.19 GiB | 19.22 GiB | 1.87 Mbit/s 5 03/25/13 735.60 MiB | 16.55 GiB | 17.27 GiB | 1.68 Mbit/s 6 03/27/13 695.73 MiB | 13.61 GiB | 14.29 GiB | 1.39 Mbit/s 7 03/21/13 700.46 MiB | 13.58 GiB | 14.26 GiB | 1.38 Mbit/s 8 04/09/13 648.98 MiB | 13.32 GiB | 13.95 GiB | 1.35 Mbit/s 9 01/07/14 13.21 GiB | 356.93 MiB | 13.56 GiB | 1.32 Mbit/s 10 07/03/13 830.55 MiB | 12.69 GiB | 13.50 GiB | 1.31 Mbit/s -----------------------------+-------------+-------------+---------------
vista mensual
ssh osiux 'vnstat -i venet0 -m'
venet0 / monthly month rx | tx | total | avg. rate ------------------------+-------------+-------------+--------------- Mar '13 16.50 GiB | 190.62 GiB | 207.12 GiB | 648.70 kbit/s Apr '13 20.32 GiB | 125.04 GiB | 145.36 GiB | 470.42 kbit/s May '13 15.09 GiB | 6.23 GiB | 21.33 GiB | 66.79 kbit/s Jun '13 15.15 GiB | 10.28 GiB | 25.43 GiB | 82.29 kbit/s Jul '13 19.02 GiB | 19.53 GiB | 38.55 GiB | 120.75 kbit/s Aug '13 24.59 GiB | 21.24 GiB | 45.83 GiB | 143.53 kbit/s Sep '13 15.25 GiB | 8.18 GiB | 23.43 GiB | 75.84 kbit/s Oct '13 26.23 GiB | 25.19 GiB | 51.42 GiB | 161.03 kbit/s Nov '13 10.20 GiB | 30.08 GiB | 40.28 GiB | 130.36 kbit/s Dec '13 1.67 GiB | 9.41 GiB | 11.08 GiB | 34.69 kbit/s Jan '14 25.88 GiB | 7.73 GiB | 33.61 GiB | 105.25 kbit/s Feb '14 4.46 GiB | 2.76 GiB | 7.22 GiB | 70.61 kbit/s ------------------------+-------------+-------------+--------------- estimated 12.57 GiB | 7.79 GiB | 20.36 GiB |
vista semanal
ssh osiux 'vnstat -i venet0 -w'
venet0 / weekly rx | tx | total | avg. rate ---------------------------+-------------+-------------+--------------- last 7 days 3.16 GiB | 2.30 GiB | 5.46 GiB | 76.48 kbit/s last week 3.19 GiB | 2.19 GiB | 5.39 GiB | 74.70 kbit/s current week 418.63 MiB | 265.81 MiB | 684.44 MiB | 70.05 kbit/s ---------------------------+-------------+-------------+--------------- estimated 3.12 GiB | 1.98 GiB | 5.09 GiB |
vista por horas
ssh osiux 'vnstat -i venet0 -h'
venet0 22:14 ^ r | r | r r r r r r r r r r r | r r r r rt r r r r r r | r r r r rt r r r r r t r | r r r r rt r r r r rt t t r | rt r r r rt r rt r r rt t t t r | rt r r r rt r rt rt r rt t t t t r | rt rt rt r rt r rt rt r rt t t t t t t r | rt rt rt r rt r rt rt r rt t t t t t t t rt t t t r -+---------------------------------------------------------------------------> | 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 h rx (KiB) tx (KiB) h rx (KiB) tx (KiB) h rx (KiB) tx (KiB) 23 38043 18600 07 39022 3080 15 1618 6379 00 39348 9530 08 38429 23452 16 2715 17279 01 39080 10637 09 1997 3372 17 3533 27827 02 38853 3011 10 2148 3307 18 4522 21075 03 38293 32727 11 1117 5484 19 2201 6809 04 38632 4056 12 2979 7545 20 4449 23659 05 39518 18170 13 2040 10555 21 2587 8113 06 37873 14265 14 3063 10136 22 44656 1721
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ssh
parallel-ssh
Armamos un listado con los hostnames de cada servidor y lo
guardarmos en un archivo, por ejemplo en ~/.ssh/gcoop
, ahora solo
falta indicar el comando a ejecutar uptime
en este caso y listo!
parallel-ssh -i -h ~/.ssh/gcoop uptime | tee
[1] 13:14:09 [SUCCESS] redmine 13:13:37 up 6 days, 12:08, 0 users, load average: 0.00, 0.02, 0.00 [2] 13:14:09 [SUCCESS] mysqlcentos 13:13:37 up 6 days, 12:38, 0 users, load average: 0.00, 0.00, 0.00 [3] 13:14:09 [SUCCESS] torrontes 13:13:37 up 37 days, 22:39, 0 users, load average: 0.20, 0.21, 0.22 [4] 13:14:09 [SUCCESS] ssug0003lx 13:13:37 up 6 days, 12:11, 0 users, load average: 0.00, 0.00, 0.00 [5] 13:14:09 [SUCCESS] squeeze 13:13:37 up 6 days, 12:16, 0 users, load average: 0.00, 0.00, 0.00 [6] 13:14:09 [SUCCESS] symfony 13:13:37 up 6 days, 12:25, 0 users, load average: 0.00, 0.00, 0.00 [7] 13:14:09 [SUCCESS] tempranillo 13:13:37 up 67 days, 17:51, 0 users, load average: 0,07, 0,09, 0,06 [8] 13:14:09 [SUCCESS] malbec 13:13:50 up 37 days, 22:45, 0 users, load average: 0.01, 0.58, 0.57 [9] 13:14:09 [SUCCESS] merlot 13:13:59 up 97 days, 4:57, 0 users, load average: 0.28, 0.12, 0.05 [10] 13:14:12 [FAILURE] recibos Exited with error code 255 Stderr: ssh_exchange_identification: Connection closed by remote host