DokuWiki

tlog

k2patel (k2patel@undisclosed.example.com) — 2023-12-19T18:17:15+00:00

To record all session using tlog To set up a comprehensive session recording and shipping of logs using PAM and rsyslog on a Linux system, you will need to follow several steps. Below is a general guideline for achieving this: tlog To record and store session logs using tlog, you can follow these steps:

start - [QUICK]

k2patel (k2patel@undisclosed.example.com) — 2023-09-15T20:33:48+00:00

Start: This is Just Beginning QUICK * Quick Command List * Why Drive space is not as marked * Daily Admin Issues * SMTP Auth Test * guake * Daily Regular Expression * Where * Bad_Bot List * Bash * Chrome * python * Ruby * Gem * ZFS * OpenSSL * tlog Command Line Tools * Finch * BitchX * w3m * dig * bc (calculator) * rtorrent * vim * irssi * vmware * rsync * top * vmstat * mpstat * tmux * pianobar * mutt * ls * at * ping * …

openssl - created

k2patel (k2patel@undisclosed.example.com) — 2023-08-17T13:38:36+00:00

OpenSSL Most used command Extract ca, crt and key from .pfx # Extract CA openssl pkcs12 -in ${cert}.pfx -nodes -nokeys -cacerts -out ${cert}-ca.crt # Extract Key openssl pkcs12 -in ${cert}.pfx -nocerts -out ${cert}.key # Extract Cert openssl pkcs12 -in ${cert}.pfx -clcerts -nokeys -out ${cert}.crt # Remove Password openssl rsa -in ${cert}.key -out ${cert}.key # Generate Bundle cat ${cert}.crt ${cert}-ca.crt > ${cert}-bundle.crt

quick_command_list - [remove comments and blank lines from output]

k2patel (k2patel@undisclosed.example.com) — 2022-05-16T20:05:09+00:00

Quick Command Set Daily Life grab configure script from php installatio php -i | grep configure | tr -d \' find the disk usage for all the listed files/foldere du -sckh * | sort -n find uniq ip from file cat /etc/sitemap | awk '{print $2}' | xargs -n 1 ping -c 1 -t 1 | grep PING | awk '{print $3}' | sort | uniq

daily_admin_issues - [Force chronyc time sync]

k2patel (k2patel@undisclosed.example.com) — 2021-09-21T16:13:19+00:00

Daily Admin Issue * sar reporting * Kernel Tuning * inotify monitor * Security Centos 6 to 7 Upgrade I've followed without issue. But after reboot i've started seeing following error “libpcre.so.0” not found. After looking further it appeared to the issue with “grep” package. After Successful reboot simply downgrade the grep package and error will disappear.

default_kernel - [Change kenel command line option]

k2patel (k2patel@undisclosed.example.com) — 2021-08-25T22:35:22+00:00

Default Kernel List all available kernel sudo awk -F\' '/menuentry / {print $2}' /boot/grub2/grub.cfg :!: Check if all the kernels listed in order and properly set the version (latest on top) if not generate config again. Re-Generate config grub2-mkconfig -o /boot/grub2/grub.cfg

command_line

k2patel (k2patel@undisclosed.example.com) — 2021-08-24T21:11:04+00:00

KVM Command Line “virsh” shell for KVM. List All Domain on KVM virsh list --all Define or use .xml virsh define Start KVM virsh start Edit Guest .xml virsh edit xyz List VNC Information virsh vncdisplay xyz Domain Format in KVM

ssh - [Tips & Tricks]

k2patel (k2patel@undisclosed.example.com) — 2021-06-08T20:07:45+00:00

SSH Converting SSH2 Keys From ssh2 to openssh ssh-keygen -i -f id_dsa.pub > id_dsa_open.pub From OpenSSH to ssh2 ssh-keygen -e -f id_dsa.pub > id_dsa_ssh2.pub SCP Speed UP To increase speed on transfer you can force cipher to arcfour. You can use same mechanism with rsync when you use ssh encapsulation.

elasticsearch - [Quick Commands]

k2patel (k2patel@undisclosed.example.com) — 2021-01-25T23:41:00+00:00

Elasticsearch Quick Commands Check Cluster Health curl -XGET 'http://localhost:9200/_cluster/health?pretty=true' List all Indexes curl http://localhost:9200/_cat/indices?v List all shards curl -XGET 'http://localhost:9200/_cat/shards' Unassigned shard | timeout

cyclic_assesment.jpg

k2patel (k2patel@undisclosed.example.com) — 2009-05-04T21:11:21+00:00