Ilya Evseev ilyaevseev
ilyaevseev
/ Cloudflare-Nginx-RealIP-Update.sh
Created
May 30, 2018 13:59
/etc/cron.daily/Cloudflare-Nginx-RealIP-Update -- update Nginx config by list of Cloudflare frontends.
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| #!/bin/sh -e | |
| # https://support.cloudflare.com/hc/en-us/articles/200170706-How-do-I-restore-original-visitor-IP-with-Nginx- | |
| STATEDIR="${1:-/var/log/${0##*/}}" | |
| mkdir -p "$STATEDIR" | |
| CONFDIR="${2:-/etc/nginx/conf.d}" | |
| test -d "$CONFDIR" || { echo "missing confdir: $CONFDIR" 1>&2; exit 1; } |
ilyaevseev
/ teamcheck.sh
Last active
June 1, 2018 16:17
Zabbix check for status of aggregated links under Linux
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| #!/bin/sh | |
| FAILED="" | |
| SLAVES_COUNTER="" | |
| cd /sys/class/net/ | |
| Check_iface() { | |
| local master="$1" slave="$2" mask="$3" | |
| #echo "DEBUG: check_iface $master:$slave" |
ilyaevseev
/ ldap-replicas-checksum-compare.sh
Last active
June 18, 2018 16:34
Quick and dirty Zabbix check for replication status between OpenLDAP master and slave. Should be called on slave.
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| #!/bin/sh | |
| CONFIG="/etc/openldap/slapd.d/cn=config/olcDatabase={2}hdb.ldif" | |
| Return() { echo $@; exit; } | |
| test -s "$CONFIG" || Return "BAD_CONF" | |
| URL="$(sed -n 'H; ${ x; s/\n//; s/\n //g; p}' "$CONFIG" | awk 'match($0, "provider=([^ ]+)", m) { print m[1] }')" ; test -z "$URL" && Return "BAD_URL" #' | |
| DN="$(sed -n 'H; ${ x; s/\n//; s/\n //g; p}' "$CONFIG" | awk 'match($0, "binddn=\"([^ ]+)\"", m) { print m[1] }')" ; test -z "$DN" && Return "BAD_DN" #' |
ilyaevseev
/ otrs-new-package.sh
Created
June 18, 2018 16:36
Check, install, update OTRS package under CentOS 7. Requires lftp.
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| #!/bin/sh | |
| FPATH="$(lftp -e 'cls -q -1 -D --sort=date /pub/otrs/RPMS/rhel/7/otrs*.noarch.rpm; exit' http://ftp.otrs.org/ 2>&1 | tail -1)" | |
| LATEST="${FPATH##*/}" #" | |
| LATEST="${LATEST%.rpm}" | |
| CURRENT="$(rpm -q otrs)" | |
| case "$1" in | |
| install|reinstall ) yum "$1" "http://ftp.otrs.org/$FPATH" ;; | |
| geturl ) echo "http://ftp.otrs.org/$FPATH" ;; |
ilyaevseev
/ update-resolv-conf.sh
Created
June 29, 2018 20:01
Quick and dirty update-resolv-conf for OpenVPN under Fedora
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| #!/bin/sh | |
| test -z "$dev" && exit 0 | |
| DNS="$(printenv | awk '/^foreign_option_.*=dhcp-option DNS / { print $NF; exit; }')" | |
| test -z "$DNS" && exit 0 | |
| # Error: Reading applied connection from device 'tun0' (/org/freedesktop/NetworkManager/Devices/6) failed: Device is not activated | |
| # When called manually after connection esablished: removes all routes! |
ilyaevseev
/ ffmpeg-nvenc-parbench.sh
Created
October 18, 2018 12:13
Benchmark concurrent ffmpeg-nvenc instances.
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| #!/bin/sh | |
| test $# = 1 || { echo "Usage: ${0##*/} num-loops"; exit 1; } | |
| D="/tmp/${0##*/}" | |
| F="$HOME/lord-inquisitor.mp4" | |
| rm -rf "$D" || : | |
| mkdir -p "$D" |
ilyaevseev
/ rancid-dlink-websmart.sh
Last active
November 23, 2018 04:52
Script for storing D-Link websmart configs in Rancid via TFTP.
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| #!/bin/sh | |
| test $# = 1 || { echo "Usage: ${0##*/} my-ipaddr"; exit 1; } | |
| MY_IPADDR="$1" | |
| RANCID_USER="rancid" | |
| RANCID_HOME="$(su - -c pwd "$RANCID_USER")" | |
| PIDFILE="/var/run/${0##*/}.pid" |
ilyaevseev
/ Remove-old-Zabbix-metrics-from-ElasticSearch.sh
Last active
December 22, 2018 05:38
Initialize Elasticsearch maps (database schema) for use it as Zabbix history storage.
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| #!/bin/sh -e | |
| MAX_DAYS="93" | |
| LOG_DAYS="93" | |
| LOG_DIR="/var/log/zbx-es-metrics-cleanup" | |
| LOGFILE="$LOG_DIR/$(date +%Y-%m-%d-%H%M).log" | |
| mkdir -p "$LOG_DIR" | |
| D0="$(date -d "$MAX_DAYS days ago" +%s)" |
ilyaevseev
/ ngx_times.c.patch
Created
February 5, 2019 07:14
Try to put Nginx error_log records with millisecond measurement (NOT TESTED!!)
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| hg diff -p | |
| diff -r e72c8a8a8b10 src/core/ngx_times.c | |
| --- a/src/core/ngx_times.c Thu Jan 31 19:36:51 2019 +0300 | |
| +++ b/src/core/ngx_times.c Tue Feb 05 10:12:03 2019 +0300 | |
| @@ -47,7 +47,7 @@ static ngx_int_t cached_gmtoff; | |
| static ngx_time_t cached_time[NGX_TIME_SLOTS]; | |
| static u_char cached_err_log_time[NGX_TIME_SLOTS] | |
| - [sizeof("1970/09/28 12:00:00")]; | |
| + [sizeof("1970/09/28 12:00:00.000")]; |
ilyaevseev
/ ngx_log_cputicks.patch
Created
February 9, 2019 11:11
Inspired by https://forum.nginx.org/read.php?21,282919 -- print CPU ticks to Nginx debug log
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| diff -r 992bf7540a98 src/core/ngx_log.c | |
| --- a/src/core/ngx_log.c Thu Feb 07 19:39:35 2019 +0300 | |
| +++ b/src/core/ngx_log.c Sat Feb 09 13:14:06 2019 +0300 | |
| @@ -16,6 +16,8 @@ static void ngx_log_insert(ngx_log_t *lo | |
| #if (NGX_DEBUG) | |
| +static u_char *ngx_log_cputicks(u_char *p, u_char *last); | |
| + | |
| static void ngx_log_memory_writer(ngx_log_t *log, ngx_uint_t level, |