# chat
- irssi
- centerim
- finch
# copias
- rdiffbackup
- rsync
- scp
# correo
- alpine
- mutt
- sup
# descargas
- axel
- rtorrent
- wget
- ncftp
# disco
- ncdu
# editores
- emacs
- vim
# explorador de archivos
- mc
- ranger
- vifm
# monitoreo
# 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:
1ssh tempranillo atop -r /var/log/atop/atop_20140121 -b 10:00 -e 12:00 -D | head -30
ATOP - tempranillo 2014/01/21 10:00:02 ------ 10m0s elapsed
PRC | sys 4.15s | user 7.35s | #proc 255 | #zombie 0 | #exit 330 |
CPU | sys 1% | user 1% | irq 0% | idle 798% | wait 0% |
cpu | sys 0% | user 0% | irq 0% | idle 99% | cpu000 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu001 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu005 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu002 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu007 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu006 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu004 w 0% |
cpu | sys 0% | user 0% | irq 0% | idle 100% | cpu003 w 0% |
CPL | avg1 0.00 | avg5 0.01 | avg15 0.05 | csw 137938 | intr 135127 |
MEM | tot 3.8G | free 44.8M | cache 2.1G | buff 258.7M | slab 225.9M |
SWP | tot 4.0G | free 3.9G | | vmcom 2.3G | vmlim 5.9G |
PAG | scan 84 | stall 0 | | swin 0 | swout 0 |
DSK | xvdb | busy 0% | read 171 | write 923 | avio 0.83 ms |
DSK | xvda | busy 0% | read 8 | write 1095 | avio 0.22 ms |
NET | transport | tcpi 3900 | tcpo 3845 | udpi 351 | udpo 372 |
NET | network | ipi 4312 | ipo 3829 | ipfrw 0 | deliv 4295 |
NET | eth0 ---- | pcki 2153 | pcko 1670 | si 3 Kbps | so 18 Kbps |
NET | lo ---- | pcki 2160 | pcko 2160 | si 5 Kbps | so 5 Kbps |
PID SYSCPU USRCPU VGROW RGROW RDDSK WRDSK ST EXC S DSK CMD
3595 0.43s 0.61s 0K 28K 0K 2856K -- - S 19% mysqld
4400 0.02s 0.07s 1876K 152K 2180K 56K -- - S 15% imap
2573 0.01s 0.00s 0K 0K 0K 2164K -- - S 15% jbd2/xvdb-8
1358 0.01s 0.00s 0K 0K 0K 1732K -- - S 12% kjournald
2238 0.25s 0.89s 552K 596K 0K 1676K -- - R 11% /usr/sbin/amav
# htop
# iftop
# iotop
1ssh 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
1ioping -c 5 /mnt/data
4096 bytes from /mnt/data (xfs /dev/mapper/data): request=1 time=20.8 ms
4096 bytes from /mnt/data (xfs /dev/mapper/data): request=2 time=0.6 ms
4096 bytes from /mnt/data (xfs /dev/mapper/data): request=3 time=0.6 ms
4096 bytes from /mnt/data (xfs /dev/mapper/data): request=4 time=0.6 ms
4096 bytes from /mnt/data (xfs /dev/mapper/data): request=5 time=0.6 ms
--- /mnt/data (xfs /dev/mapper/data) ioping statistics ---
5 requests completed in 4023.8 ms, 216 iops, 0.8 mb/s
min/avg/max/mdev = 0.6/4.6/20.8/8.1 ms
# mon
# monit
# munin
# mtr
1mtr -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
1ssh 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
1ssh 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
1ssh 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
1ssh 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
# multitail
# logcheck
# musica
- moc
# navegadores web
- elinks
- links
- lynx
- w3m
# red
- wicd-curses
- tshark
- tcpdump
- netcat
- nmap
# rss
- newsbeuter
# seguridad
- chrootkit
- cron-apt
- fail2ban
- rkhunter
# utilitarios
- screen
- tmux
# versionado
- etckeeper
- git-core
- mercurial
- subversion
- tig
# 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!
1parallel-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