cari text menggunakan vi / vim editor

Cara menemukan suatu text menggunakan vi / vim editor yaitu menggunakan command "/"

Caranya:

klik esc lalu /namatextyangakandicari.

misal kita akan mencari text "ketemu"

esc -> /ketemu

untuk memasukan text atau menghapus text, tekan i

yang kemudian akan timbul --INSERT-- yang artinya kita sudah bisa mengedit text.

untuk quit dan save vi / vim yaitu:

esc -> :q (quit tanpa mensave)

esc -> :wq (quit dengan mensave)

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LS_COLORS error

ls: unrecognized prefix: do

ls: unparsable value for LS_COLORS environment variable

error diatas kemungkinan disebabkan adanya root backdor.

biasanya akan membuat / merubah file

/bin/ls

/usr/bin/dir

/usr/bin/md5sum

/usr/sbin/ttyload

cara mengatasinya ialah:

install ulang / repair package coreutils

sebelumnya cek file diatas menggunakan

$ lsattr namafilenya

lalu rubah kembali menggunakan chattr

$ chattr -AacDdijsSu namafilenya

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delete route

[root@web1 ~]# ip route help

Usage: ip route { list | flush } SELECTOR

ip route get ADDRESS [ from ADDRESS iif STRING ]

[ oif STRING ] [ tos TOS ]

ip route { add | del | change | append | replace | monitor } ROUTE

SELECTOR := [ root PREFIX ] [ match PREFIX ] [ exact PREFIX ]

[ table TABLE_ID ] [ proto RTPROTO ]

[ type TYPE ] [ scope SCOPE ]

ROUTE := NODE_SPEC [ INFO_SPEC ]

NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ]

[ table TABLE_ID ] [ proto RTPROTO ]

[ scope SCOPE ] [ metric METRIC ]

INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...

NH := [ via ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS

OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ]

[ rtt NUMBER ] [ rttvar NUMBER ]

[ window NUMBER] [ cwnd NUMBER ] [ ssthresh REALM ]

[ realms REALM ]

TYPE := [ unicast | local | broadcast | multicast | throw |

unreachable | prohibit | blackhole | nat ]

TABLE_ID := [ local | main | default | all | NUMBER ]

SCOPE := [ host | link | global | NUMBER ]

FLAGS := [ equalize ]

NHFLAGS := [ onlink | pervasive ]

RTPROTO := [ kernel | boot | static | NUMBER ]

[root@web1 ~]#

[root@web1 network-scripts]# ip route list

unreachable 114.59.126.255 scope host

unreachable 114.56.247.51 scope host

unreachable 188.72.205.152 scope host

207.228.35.0/25 dev eth1 scope link

207.228.56.128/25 dev eth1 proto kernel scope link src 207.228.56.129

169.254.0.0/16 dev eth1 scope link

127.0.0.0/8 dev lo scope link

default via 207.228.35.1 dev eth1

[root@web1 network-scripts]# netstat -nr

Kernel IP routing table

Destination Gateway Genmask Flags MSS Window irtt Iface

188.72.205.152 - 255.255.255.255 !H - - - -

207.228.35.0 0.0.0.0 255.255.255.128 U 0 0 0 eth1

207.228.56.128 0.0.0.0 255.255.255.128 U 0 0 0 eth1

169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1

127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

0.0.0.0 207.228.35.1 0.0.0.0 UG 0 0 0 eth1

[root@web1 ~]# ip route del 188.72.205.152

[root@web1 ~]# netstat -nr

Kernel IP routing table

Destination Gateway Genmask Flags MSS Window irtt Iface

207.228.35.0 0.0.0.0 255.255.255.128 U 0 0 0 eth1

207.228.56.128 0.0.0.0 255.255.255.128 U 0 0 0 eth1

169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1

127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo

0.0.0.0 207.228.35.1 0.0.0.0 UG 0 0 0 eth1

[root@web1 ~]#

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install openssh

./configure --prefix=/usr --sysconfdir=/etc/ssh --with-tcp-wrappers

Configuring your OpenSSH installer, wait a minutes...

checking for gcc... gcc

checking for C compiler default output... configure: error: C compiler cannot create executables

coba lakukan install:

apt-get install build-essential

========================

libwrap is missing

install:

apt-get install libwrap0-dev

yum install tcp_wrappers-devel

=========================

OpenSSL libcrypto is missing

install:

apt-get install libssl-dev

yum install openssl-devel

==========================

PAM Headers Not Found

install:
apt-get install libpam0g-dev

yum install pam-devel

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