Commit 69ec6bc3 authored by Tomáš Szaniszlo's avatar Tomáš Szaniszlo Committed by Tomáš Szaniszlo
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CS: reordering to put the top tips at the... top

parent 39e2fc75

CS.md

+26 −26
Original line number Diff line number Diff line 
**tcpdump with cyclic pcap save buffers**



    tcpdump -i vlan2 icmp6 -G 86400 -w /tmp/capture-%w.pcap



| -G    | -w | description       |

| ----- | -- | ----------------- |

| 86400 | %w | 7 saves daily     |

| 3600  | %H | 24 saves hourly   |

| 60    | %M | 60 saves minutely |



- - -



**Timestamping**



    command | awk '{ print strftime("[%F %T]"), $0 }'



Source: <https://unix.stackexchange.com/questions/26728/prepending-a-timestamp-to-each-line-of-output-from-a-command>



- - -



**Order mutt mails by date**



    :set sort=date-received



- - -



**Change keyboard layout in console (Debian)**



    dpkg-reconfigure keyboard-configuration
@@ -123,18 +149,6 @@ Examples: 


- - -



**tcpdump with cyclic pcap save buffers**



    tcpdump -i vlan2 icmp6 -G 86400 -w /tmp/capture-%w.pcap



| -G    | -w | description       |

| ----- | -- | ----------------- |

| 86400 | %w | 7 saves daily     |

| 3600  | %H | 24 saves hourly   |

| 60    | %M | 60 saves minutely |



- - -



**X11 forwarding through `ssh` after running `su`**



    client$ ssh -X user1@host2
@@ -146,14 +160,6 @@ Source: <https://debian-administration.org/article/494/Getting_X11_forwarding_th 


- - -



**Timestamping**



    command | awk '{ print strftime("[%F %T]"), $0 }'



Source: <https://unix.stackexchange.com/questions/26728/prepending-a-timestamp-to-each-line-of-output-from-a-command>



- - -



**`pstree`**



    pstree -aclnp
@@ -215,12 +221,6 @@ Source: <https://unix.stackexchange.com/questions/19296/recovering-from-sys-rq-r 


- - -



**Order mutt mails by date**



    :set sort=date-received



- - -



**Where to search for periodic jobs**



    ls /etc/cron.*