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proxy. UserParameter=pingtime[*],fping -e $1|sed 's/^.*(\([0-9].*\) ms).*$/\1/g' UserParameter=pingalive[*],fping $1|grep -q alive;echo $?     Could mean you

/proc/fs/nfs/exports Not all are currently active cat /var/lib/nfs/rmtab IP=`ip route get 1 | awk '{print $NF;exit}'` netstat -an | grep $IP | grep 2049 | awk '{ print

Lightweight Directory Access Protocol In computer networking, the Lightweight Directory Access Protocol, or LDAP ("ell-dap"), is a networking protocol

Stream Editor Sed - An Introduction and Tutorial by Bruce Barnett try 's/... instead of '/... \s try tr instead: tr -d '\n' < file sed -i

telnet-or-openssl/ smtpd_tls_protocols = TLSv1.2, TLSv1.3 smtpd_tls_mandatory_protocols = TLSv1.2, TLSv1.3 smtpd_tls_exclude_ciphers = EXP, LOW, MEDIUM

all none none proxy -Cn wasrv -v 2c -c public 10.1.0.11 .1.3 proxy -Cn wbsrv -v 2c -c public 10.1.0.12 .1.3 Then from your 192.168.0.0/16 network: snmpwalk

point at the line problem Server Not Authoritative for zone, Means 208.84.5.1 failed to respond, probably temporarily.

Z -platform minimal --http-port=8080 --ws-port=8081 --auto-connect=1 --dbg-error=1     A systemd problem, fix/override of deconz.service works for me  

seek=10G if=/dev/zero of=sparsetest bs=1 count=1 status=none du --block-size=1 sparsetest 8192 sparsetest du --block-size=1 --apparent sparsetest 10737418241

http://www.networksorcery.com/enp/protocol/smtp.htm RFC 3464 [1] 5.5.0 unavailable (bob knows why) 5.1.1 something wrong on exchange sewer, probably user unknown

MOUNT=/mnt/usb STICK=/dev/sdb #mount the iso image mount -o loop ~/systemrescuecd-1.x.iso /mnt/loop ISO=/mnt/loop #gentoo MBR=/usr/share/syslinux/mbr.bin #MBR

ffmpeg -i something.mpg audio.mp3 ffmpeg -i big.gif -filter:v "scale=100:-1" -vframes 1 ff.gif

Borg backup Homepage support keyring for passphrase storage Borg on windows A borg script About upgrading to borg 2 Someone did some benchmarking [ https://vorta

Target Getting Started Guide NAME=nvmetest PORT=1 NODENUM=1 cd /sys/kernel/config/nvmet rm -rf ports/1/subsystems/$NAME rmdir ports/$PORT rmdir subsys

old way? varnishadm -S /etc/varnish/secret -T 127.0.0.1:6082 url.purge . varnishadm -T 127.0.0.1:6082 url.purge .

move forward 1 char alt-b move back 1 word alf-f move forward 1 word for i in {0..10};do echo $i;done   break   continue HISTTIMEFORMAT="%d/%m/%y %T " To make

centos 7.3!) This one gave new disk size! Verified: CentOS 6, Ubuntu 22 echo 1 > /sys/block/sde/device/rescan Only one that seemed to work on (centos7.x)

the Limit https://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch04s04.html When you want to build rpm's make sure you ~/.rpmmacros

12.13 ;seems unwise to use CNAMES for this @ IN A 10.0.0.1 * IN A 10.0.0.1   dig +short +tries=1 +time=2 test.openresolver.com TXT @$ip Probably a slave/secundary

in kernel, cannot determine SWAPIN and IO sysctl -w kernel.task_delayacct=1

Homepage nmap examples nmap -p 80 192.168.1.0/24 nmap -sP 192.168.11.10-20 nmap -O

--with-gnutls --with-libcurl requiring: apt-get install gcc make libsqlite3-dev zlib1g-dev libevent-dev libpcre3-dev libsnmp-dev libopenipmi-dev libgnutls28-dev

NameVirtualHost *:80 telnet www.example.com 80 get / HTTP/1.1 <enter> <enter> For a virtual also pass host: get / HTTP/1.1 host: virtual.host.com <enter>   ps aux|grep

format Configure IPv6 Addresses And Basic Troubleshooting In Linux dig 1.e.0.1.8.8.8.0.1.0.0.2.ip6.arpa ns Linux IPv6 HOWTO IPv6 on Debian http://www.cyberciti

curl -s -o /tmp/foo https://example.com -w '%{http_version}\n' GET / HTTP/1.0 Host: www.example.com List of HTTP status codes RFC 9110 HTTP Semantics

1.0/Low-Speed 1.5 Mbps White 1.1/Full-Speed 12 Mbps White 2.0/Hi-Speed 480 Mbps Black 3.0/SuperSpeed 5 Gbps Blue 3.1/SuperSpeed 10 Gbps Teal

On of the tools to manage megamaid cards Probably means "didn't find controller i know"

Homepage http://www.impsec.org/~jhardin/antispam/milter-regex.conf Means another fine example of bad error handling

(default is 3306) Someone needs spanking. Simple fix in .mytop host=127.0.0.1 (this is not a joke) or socket=/var/run/mysqld/mysqld.sock

foreign_key_checks=0; and after import COMMIT; SET autocommit=1; SET unique_checks=1; SET foreign_key_checks=1; and turn them back on and try mysqldump --extended-insert

7.4, 8.0 Mason 1.26 or newer required. 1.31 or newer advised. Apache 1.3.x advised, 2.x supported. mod_perl Version to match Apache - 1.29 or higher recommended

change things like IP address, /etc/hostname etc. kvm -name squeeze1 -usbdevice tablet -vnc :1 -hda /dev/drbd0 -cdrom /tmp/debiansqueeze.iso -boot d -m 384 And

Syncml 1.2 doesn't seem to work, so stick with 1.1 for now

$MOUNT || mkdir $MOUNT mount -t vfat ${STICK}1 $MOUNT if [ ! -e $MBR ];then echo "$MBR not found" exit 1 fi dd if=$MBR of=$STICK cp -aruv $ISO/* $MOUNT

XHTML Basic 1.1

- 1024 )) count=1024 # the first bit dd if=/dev/zero of=$DISK bs=512 count=1 Should be well above 90%

python update-alternatives --install /usr/bin/python python $(which python3) 1 deactivate

frequently executed (about 10 seconds). Old GC is processed quickly (within 1 second). Old GC is not frequently executed (once per 10 minutes or more). Is

grep -l debconf| sed 's/^.*\/\(.*\)/\1/g;s/.postinst//g' When testing your config file you will find that after 1 try it no longer shows dialog, fix this

Dynamic Memory Management pvesh get /cluster/resources Get current configuration of VM 105 pvesh get /nodes/nuc/qemu/105/status/current Now to get maxmem

following values should work: Filesystem: none Hash algorithm: SHA-1 Encryption algorithm: 1 truecrypt /truecrypt.tc truecrypt -vl mkfs.ext2 /dev/mapper/truecrypt0

localhost to start zidestore su - ogo /usr/sbin/ogo-zidestore-1.5 > /tmp/zidestorelog 2>&1 & to connect Sunbird: have WebDAV point to http://your.serve

install php8.1-gd php8.1-mysql php8.1-curl php8.1-mbstring php8.1-intl php8.1-gmp php8.1-bcmath php-imagick php8.1-xml php8.1-zip libapache2-mod-php8.1 Install

other data transfers. There are slight differences between SSL 3.0 and TLS 1.0, but the protocol remains substantially the same. The term "TLS" as used

up will show it also wants hci0: Failed to load Intel DDC file intel/ibt-20-1-3.ddc   try systemctl status bluetooth.service bluetoothd[836]: profiles/audio/avdtp

check the rest of this site. to allow all from IP 4.3.2.1: insert into relaytofrom values (0,"4.3.2.1",NULL,NULL,"0000-00-00 00:00:00", "9999-12-31 23:59:59"

curl -I -v --tlsv1.2 --tls-max 1.2 https://www.example.com/ https://stackoverflow.com/questions/50279275/curl-how-to-specify-target-hostname-for-https-request

DEFAULTPIN="0000"; TTYDEV="/dev/ttyUSB0"; if [ $1 ] ; then PIN=$1; else PIN=$DEFAULTPIN; fi echo "at" > $TTYDEV; sleep 1; echo "at+cpin=\"$PIN\"" > $TTYDEV; echo

"Device" Driver "radeon" EndSection Section "Extensions" Option "Composite" "1" EndSection Section "ServerFlags" Option "AIGLX" "On" EndSection http://www

2 3 * * 0 rsnapshot weekly 2 2 1 * * rsnapshot monthly cd /rsnapshots tar cf - . | cat | (cd /newrsnapshots && tar xbf 1 -) cpdup, cpio etc fail when there's

print 1 or just ipmitool lan print 1 ipmitool -I open lan print ipmitool lan set 1 ipsrc dhcp ipmitool lan set 1 ipsrc static ipmitool lan print 1 ipmitool

/ASSP%20V2%20multithreading/ASSP%20V2%20module%20installation/mod_inst.pl.1.46.zip apt-get install libauthen-sasl-perl libberkeleydb-perl libtie-dbi-perl

new --tid=1 --targetname iqn.2009-02.com.example:for.all tgtadm --lld iscsi --mode logicalunit --op new --tid 1 --lun 1 -b /var/tmp/iscsi-disk1 tgtadm --lld

computer networks. Cfengine is designed to be a part of a computer immune system[1]. It is ideal for cluster management and has been adopted for use all over

Tor Homepage [1] Using tor on linux]

Virtual LAN Virtual LAN Understanding VLAN 1

--permanent --zone=public --add-rich-rule='rule family="ipv4" source address="1.2.3.4/32" port protocol="tcp" port="4567" accept' --delete-rich-rule same as

http://www.ijs.si/software/amavisd/ More amavis Debian-Sarge and Postfix 2.1 Amavis and SpamAssassin

Hash-based Message Authentication Code [1]

https://www.templatemonster.com/help/prestashop-1-6-x-how-to-manage-modules-and-modules-positions.html Modules->Position Modules->Modules->Theme configurator

com/content/localhost-dns-cache Dnsmasq on Redhat Make sure to have 127.0.0.1 as first line in resolv.conf

Rtorrent cheatsheet Rtorrent shortcuts 1 View: main (filtered) 2 View: name (filtered) 3 View: started

mynet:drbd0" tid=1 op monitor interval="10s" pcs resource create ISCSI0Lun1 ocf:heartbeat:iSCSILogicalUnit target_iqn="iqn.2018-5.mynet:drbd0" lun="1" path="/dev/DRBD/drbd0"

master TEST3_DRBD-Clone TEST3_DRBD master-node-max=1 clone-max=2 notify=true master-max=1 clone-node-max=1 --disabled and then pcs resource cleanup TEST3_DRBD

statistics telnet localhost 11211 >stats settings or echo stats | nc 127.0.0.1 11211

https://en.wikipedia.org/wiki/Public_key_infrastructure OpenSSL PKI Tutorial v1.1 What is PKI Security related stuff Category:Cryptography

https://iniy.org/?p=419&cpage=1#comment-46977 and wrote a oneliner that will reset the right drivers: lspci | grep -i usb| awk '{ print $1 }' | while read ID;do

grep 'Reserved' tune2fs -r 0 /dev/sdd1 Set to 1% tune2fs -m 1 /dev/sdd1 Simply resize2fs /dev/sdc1 resize2fs -P /dev/sdc1 gives you the number of (usually

Homepage redis-cli redis-cli -h 127.0.0.1 -p 6379 info redis-cli FLUSHALL

SCRIPT_FILENAME=/fpm-ping REQUEST_METHOD=GET cgi-fcgi -bind -connect 127.0.0.1:9001

manual http://www.dmoz.org/Computers/Programming/Languages/Awk/ | awk '{sum+=$1} END {print sum}'

policycoreutils-python setsebool -P httpd_can_network_connect 1 setsebool -P httpd_can_network_connect_db 1 setenforce 0 edit /etc/selinux/config (probably not this

- to: default via: fe80::1 It seems to prefer list of addresses in square brackets Try routes: - to: default via: 192.168.10.1

Version control system Homepage The commands Quickstart darcs diff --last 1 fstab

*\] \[MessageLimit\] <HOST> \[Worker_.*\] <HOST> .* \[SMTP Error\] 554 5.7.1 fail2ban-regex /usr/share/assp/logs/maillog.txt /etc/fail2ban/filter.d/assp

old-releases.ubuntu.com sysctl: net.ipv6.conf.default.disable_ipv6=1 net.ipv6.conf.all.disable_ipv6=1 /etc/default/locale locale-gen dpkg-reconfigure keyboard-configuration

instead of `when: var == ""`. Instead of when: (foo == 1 and bar == 0) == false use when: not (foo == 1 and bar == 0) Sometimes fixed by adding changed_when:

Homepage FreeBSD jail? sysctl security.jail.sysvipc_allowed=1

-d /var/bonnie -s 4G -m $HOSTNAME -b -u youruser | tee /tmp/bonnie tail -n 1 /tmp/bonnie | bon_csv2html > bonnie.html

ldap-users.cf dovecot_destination_concurrency_limit = 1 dovecot_destination_recipient_limit = 1 virtual_transport = dovecot #this makes sure alias gets

separate port for this, but might avoid problems Listen 127.0.0.1:89 <Virtualhost 127.0.0.1:89> <Location /fpm-status> Require host localhost ProxyPass u

/bin/bash PRIV=$1 PUB=$2 TEMP64=/tmp/public.key.b64 TEMP=/tmp/public.key cat $PUB |grep _domainkey |grep -v ^\;| sed 's/.*\"p=\(.*\)/\1/'| sed 's/[\" ]//g'

Cascading Style Sheets, level 1 Cascading Style Sheets, level 2 my notes http://www.alistapart.com/topics/ CSS Zen Garden CSS 'Programming' Taming Lists

nections-using-nmcli-tool-in-linux/ nmcli con mod ens01 ipv4.dns "127.0.0.1 192.168.12.6 62.212.131.101" For example when getting errors about do-add-ip6-address

1 second on, 3 seconds off, which is the code for "SPEAKER_HOTSPARE_ENTRY https://serverfault.com/questions/651933/lsi-megaraid-alarm-clearing-hotspare

just look at here for more clues. Noodle OGo There's some problems with the 3.1 deb: it fails to install several dependencies: libfoundation-tools zope-epoz

certificate hasn't expired The tip: Config editor security.tls.version.min set to 1 does NOT work

Recover an interrupted yum package installation In /etc/yum.conf: exclude=package1 package2 yum list installed yum list installed | grep @epel yum repolist or

Non-capturing group, so creating a back-reference txt2regex ZZ pcre '\d{1,3}[-x.]\d{1,3}[-x.]\d{1,3}'

remotehost 'some command' Create script ~/runssh #!/bin/bash # open ssh url url=$1 protocol=${url//:*/} machine=${url//*:\/\//} machine=${machine%/} konsole -e

/etc/needrestart/needrestart.conf state: present backrefs: true regexp: '^(foo.*)' line: '# \1' - name: Check for rotate setting lineinfile: path: "Template:Rotatepath" regex:

org/software/hurd/microkernel/mach/gnumach/ports/xen/networking_configuration.html [1] Xen on Gentoo Xen wiki Xen on Debian Squeeze dom0 Xen cluster howto http://lcmc

How are passwords stored in Linux (Understanding hashing with shadow utils) $1 = MD5 hashing algorithm. $2 =Blowfish Algorithm is in use. $2a = eksblowfish

io/2008/12/03/reducing-inode-and-dentry-caches-to-keep-oom-killer-at-bay/ Clear cache: echo 1 > /proc/sys/vm/drop_caches To free/clear all caches: echo 3 > /proc/sys/vm/drop_caches

password . LIST "" "*" . CAPABILITY . GETQUOTAROOT INBOX . EXAMINE INBOX . FETCH 1 all . LOGOUT imapcp mailsync imapsync offlineimap mbsync/isync

MegaCli Cheat sheet SCSI codes Online expansion of Raid-1 Megacli to storcli cross reference Hardware Raid Setup using MegaCli http://tools.rapidsoft.

"gpt-4", "messages": [{"role": "user", "content": "'"$A"'", "temperature": 0.1}] }' |\ jq '.choices[].message.content' | sed 's/\\n/\n/g' | sed 's/\\"/"/g'

/var/db/pkg gpt create mfid1 create a 'slice' of 200000 sectors (this will automagically create /dev/mfid1p1 gpt add -s 2000000 mfid1 create one taking up the

BINLOG EVENTS CHANGE MASTER TO 'repouser'@'masterserver' #future feature (5.1.something+) (doesn't really seem to work as expected?) slave_exec_mode=IDEMPOTENT

unix:/run/php/php-fpm.sock; # fastcgi_pass 127.0.0.1:9001; } location = /fpm-ping { access_log off; allow 127.0.0.1; deny all; fastcgi_param SCRIPT_FILENAME $

conf_mount_rw (ufs support is ro here) mount -o loop,ro,ufstype=ufs2 -t ufs pfSense-1.2.2-Embedded.img /mnt/loop   Seems it's a matter of waiting for a bit. Could

sysprep setup not fully automate prompt end user for admin pass log in as admin 1 time after filling everything in the dialog hangs, this is normal, just cancel

postfix systemd-analyze blame Using routes: routes: - to: default via: 192.168.1.1 resolvectl status Edit the netplan file netplan generate netplan apply Means

MOUNTPOINT loop0 7:0 0 200G 1 loop ├─loop0p1 259:0 0 251M 1 part ├─loop0p2 259:1 0 3.9G 1 part └─loop0p3 259:2 0 195.9G 1 part   mount /dev/loop0p3 /mnt/loop/

openssl s_client -connect www.example.com:443 -tls1 openssl s_client -connect www.example.com:443 -tls1_1 or when vhost: openssl s_client -servername vhost

iptables -I INPUT .... -m comment --comment="some comment" -stop syslog -dmesg -n 1 -start syslog ??   ?? Means kernel module not loaded -j LOG --log-prefix="FOO"

esxtop https://blogs.vmware.com/vsphere/2012/11/configuring-snmp-v1v2cv3-using-esxcli-5-1.html https://docs.vmware.com/en/VMware-vSphere/6.0/com.vmware.vsphere

cpp:281: error: cannot convert 'ByteIOContext' to 'ByteIOContext*' for argument '1' to 'int url_fclose(ByteIOContext*)' just fix line 281 :) find option "image

Disconnect reasons (from ESP8266WiFiType.h): WIFI_DISCONNECT_REASON_UNSPECIFIED = 1, WIFI_DISCONNECT_REASON_AUTH_EXPIRE = 2, WIFI_DISCONNECT_REASON_AUTH_LEAVE

Host: scsi7 Channel: 00 Id: 00 Lun: 00 Vendor: VMware Model: Virtual disk Rev: 1.0 Type: Direct-Access ANSI SCSI revision: 02 In this case your scsi device

profiles DNS Administration Automated Samba + LDAP Installation For FreeBSD 7.1 Samba&LDAP doc smbldap-tools Samba-LDAP on Debian Debian Samba 3 / LDAP / PHP

file size specified in OVF descriptor for 'foo-disk001.vmdk' (specified: -1, actual 24349902848). " In that case try ovtool --lax foo.ova foo.vmx

WGET=/usr/local/bin/wget #and now the script itself cd $LOCATION || exit -1 $WGET --timestamping http://ftp.tiscali.nl/sanesecurity/phish.ndb.gz && ${GUNZIP}

away and try again? git status File has to be added again   try GIT_TRACE=1 commit ... and run the command it suggests but your problably forgot to  git

/dev/sdb2 /dev/sdc2 mdadm --stop /dev/md0 mdadm /dev/md0 --re-add /dev/sdc1 Just cat /proc/mdstat From man md: echo check > /sys/block/md0/md/sync_action

conf jail_enable="YES" jail_list="jail1" jail_jail1_rootdir="/jails/jail1" jail_jail1_hostname="jail1" jail_jail1_ip="10.0.0.16" Handbook about jails, just

metadata: pvck /dev/sdb1   https://www.tecmint.com/take-snapshot-of-logical-volume-and-restore-in- lvcreate --size 1G --snapshot --name snap-1 /dev/myvg/mylv where

arc_meta_used > arc_meta_limit zpool status zfs list zfs list -a raidz1: N/(N-1) * IOPS raidz2: N/(N-2) * IOPS raidz3: N/(N-3) * IOPS Looks like you just

101.conf |head -n 1 | cut -d ' ' -f 2 ?? grep -l "name: <NAME>" /etc/pve/nodes/*/qemu-server/*conf| sed 's/^.*\/\([0-9]*\)\.conf/\1/g'   Remove the CD :)

Ethernet bonding (trunking), Link Aggregation (lagg) RHEL doc about bonding bonding Bonding interfaces Bonding on Debian Link Aggregation and High Availability

me how to find the documentation there, what a mess http://laic.u-clermont1.fr/~mr/linux/spamass-milter_postfix_en.html luckily man spamass-milter is helpful

dpkg-reconfigure locales and restart apache. That's when running an old plugin on 1.5x, see: http://www.squirrelmail.org/docs/devel/devel-2.html It means validate

journalctl --vacuum-time=10d or journalctl --vacuum-size=1G /etc/systemd/journald.conf SystemMaxUse=1G and then systemctl restart systemd-journald.service

foo.bar" Before searching more try clearing browser cache. refresh browser -1:15:00 on  = Open offf = Closed   In a group: Open + Closed = Open     "platform"

that case remove that IP/network from ignore_target_hosts exim -bp exim -Mvb 1gKM2x-0004ti-Lj exim -bp|grep frozen|awk '{print $3}' |xargs exim -Mrm

Click on A1, View->Freeze cells->Row

page_name=knowledgebase&menuaction=phpbrain.uikb.view_article&art_id=24&printer=1 icalsrv not enabled in configuration (where was that again?) iCal: http://yourserver

apache_accesses munin-node-configure --shell munin-node-configure --snmp gw1|sh Category:Monitoring

archlinux.org/title/XFS Understanding xfs_info output xfs_db -r -c frag /dev/sdc1 https://xfs.org/index.php/FITRIM/discard

Start with looking at lsof +L1 or lsof -nP |grep deleted Other keywords: fstrim discard prune

python-xml python-lxml python-libxslt1 python-tz python-imaging python-vobject lxml psycopg:0 (slotted version 1 ) dev-python/pytz python-tz ( on debian

password: "{{ lookup('csvfile',item.key + ' file=/etc/shadow delimiter=: col=1' ) }}" with_dict: accounts #ssh keys - name: userkeys authorized_key: user={{

-PhysDrv [7:11] -a1 Show manufacturer, mode, revision etc of a drive megarc -phys -a0 -ch0 -id2 MegaCli -pdInfo -PhysDrv [7:11] -a1

networkcomputing.com/unixworld/security/004/004.txt.html;jsessionid=0KEBDYR20AZD3QE1GHPCKHWATMY32JVN Hardening the TCP/IP stack to SYN attacks nmap

Check if you have /dev/ptp1 or something and fix the refclock line in /etc/chrony.conf accordingly

check_something fails, since it expects one more argument. call 'check_nrpe_1arg' instead. That's apache missing read rights to the path. Another rather

/dev/sgXX <host_number> <bus> <scsi_id> <lun> <scsi_type> <disk> /dev/sg11 7 0 1 0 0 /dev/sdl <scsi_id> is VD(DID?) in storcli output, this is not always same

org/Variables lmtp Create file quotawarning.te: module dovecot-quota-warning 1.0; require { type dovecot_t; type dovecot_deliver_exec_t; class file { read

http://www.redhat.com/docs/manuals/linux/RHL-7.3-Manual/ref-guide/s1-email-fetchmail.html http://www.catb.org/~esr/fetchmail/fetchmail-FAQ.html a bug,

Ethernet->Lan1->Advanced->Advance pxe server: 10.11.12.13 pxe boot loader file: pxelinux.0 http://www.kegel.com/linux/pxe.html PXE booting PXE boot almost

https://wiki.ubuntu.com/Soekris http://doc.m0n0.ch/handbook/faq-ipalias.html 19200 8N1n Ctrl-P http://wiki.soekris.info/Updating_Bios set ConSpeed=9600 set ConLock=enabled

in one case solved by running on one/first node: pveceph mgr destroy pvetest1 pveceph mgr create

g_Brd_Web.pdf   The ESP-PROG with JTAG shows 2 com ports( ttyUSB0 + ttyUSB1)     red: on 3.3V?? green: uploading data blue: receiving data   For programming

reserved space as a percentage of the initial reserved space. Decreases down to 1, then start hoping. It might still last a while. Amount of data written so